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London Marathon weather forecast
High pressure will influence the UK’s weather this weekend, but what does that mean for the thousands of people running the TCS London Marathon?
Read moreMorfa Bychan (Craig Du) (Beach) (Gwynedd) weather
Find a forecast
Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.
- Head to a lifeguarded beach; check the RNLI lifeguarded beach tool
- Follow RNLI Float to Live advice if you find yourself struggling in the water
- Know what to do if you get caught in a rip current (RNLI)
- Check the tide times to avoid getting cut off by the tide coming in
- Call 999 and ask for the coastguard in an emergency
- Learn more about staying safe at the beach
Forecast days
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Today. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Sunny. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.Today. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Sunny. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.
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Sunday 21 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Sunny intervals changing to cloudy by late morning. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.Sunday 21 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Sunny intervals changing to cloudy by late morning. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.
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Monday 22 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.Monday 22 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.
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Tuesday 23 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Sunny intervals changing to partly cloudy by nighttime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.Tuesday 23 April. Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Sunny intervals changing to partly cloudy by nighttime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.
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Wednesday 24 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Sunny intervals changing to cloudy by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.Wednesday 24 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius. Sunny intervals changing to cloudy by lunchtime. Sunrise: ; Sunset: . UV: Moderate; Pollution: Low; Pollen: Low.
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Thursday 25 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate;Thursday 25 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy. Sunrise: ; Sunset: . UV: Moderate;
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Friday 26 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: ; Sunset: . UV: Moderate;Friday 26 April. Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius. Cloudy changing to sunny intervals by late morning. Sunrise: ; Sunset: . UV: Moderate;
Seven day forecast for Morfa Bychan (Craig Du) (Beach)
| Time | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
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| Weather symbols |
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Chance of precipitation
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<5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
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9°
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9°
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9°
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10°
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10°
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10°
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11°
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11°
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11°
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11°
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10°
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8°
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7°
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7°
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8° | 7° | 8° | 8° | 8° | 9° | 9° | 9° | 10° | 10° | 8° | 7° | 5° | 5° |
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SE
2
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WSW
6
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SW
7
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SW
7
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WSW
8
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SW
8
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WSW
8
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WSW
8
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WNW
6
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NW
7
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N
6
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NNE
6
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NE
6
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NE
6
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2 | 7 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 10 | 11 | 9 | 9 | 8 |
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0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
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4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 |
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Direction of waves offshore
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VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG |
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Humidity
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69% | 70% | 71% | 67% | 68% | 68% | 69% | 67% | 63% | 63% | 68% | 72% | 75% | 76% |
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UV
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3 | 3 | 4 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - |
| Time | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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<5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | <5% | 10% | 10% | 10% | 10% | <5% | <5% | <5% | <5% | <5% | <5% | <5% |
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6°
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6°
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6°
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6°
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6°
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6°
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6°
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7°
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8°
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9°
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10°
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11°
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11°
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11°
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12°
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12°
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12°
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11°
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11°
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11°
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10°
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9°
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8°
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8°
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5° | 4° | 4° | 3° | 3° | 4° | 4° | 5° | 7° | 8° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 10° | 9° | 8° | 7° | 6° | 6° |
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NE
6
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NE
7
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NE
7
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NE
7
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NE
7
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NE
6
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NE
6
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NE
5
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ENE
5
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ENE
4
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NNE
4
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NNE
5
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NNE
6
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NNE
7
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NNE
6
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N
7
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NNE
7
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NNE
7
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NNE
7
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NE
7
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NE
7
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NE
7
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NE
6
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NE
6
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8 | 10 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 7 | 9 | 10 | 11 | 11 | 12 | 13 | 12 | 11 | 11 | 11 | 10 | 9 | 9 |
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0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
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Direction of waves offshore
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VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG | VG |
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Humidity
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78% | 79% | 80% | 81% | 81% | 81% | 80% | 79% | 73% | 68% | 63% | 62% | 63% | 63% | 63% | 64% | 64% | 66% | 67% | 67% | 70% | 75% | 80% | 81% |
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UV
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- | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - |
| Time | 00:00 | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
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| Weather symbols |
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Chance of precipitation
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<5% | <5% | 10% | 10% | 10% | 10% | 10% | 10% | 10% |
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8°
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7°
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7°
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8°
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10°
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11°
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12°
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11°
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10°
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6° | 6° | 6° | 7° | 9° | 9° | 9° | 9° | 8° |
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NE
5
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NE
5
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NNE
3
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NW
2
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WNW
6
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NW
11
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NNW
13
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N
12
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N
10
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8 | 7 | 4 | 4 | 12 | 21 | 25 | 22 | 18 |
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0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 |
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8 | 8 | 8 | 8 | 8 | 8 | 2 | 2 | 4 |
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Direction of waves offshore
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VG | VG | VG | VG | VG | VG | VG | VG | G |
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Humidity
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82% | 84% | 86% | 88% | 79% | 79% | 79% | 83% | 89% |
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UV
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- | - | - | 1 | 2 | 4 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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10% | 10% | <5% | <5% | <5% | <5% | <5% | <5% |
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9°
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8°
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9°
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10°
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11°
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11°
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10°
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7°
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7° | 6° | 7° | 8° | 9° | 9° | 8° | 5° |
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N
9
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NNE
8
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NE
7
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NNE
10
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N
12
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N
12
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N
11
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N
7
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15 | 13 | 11 | 17 | 24 | 24 | 19 | 12 |
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0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.2 | 0.1 | 0.1 |
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7 | 7 | 7 | 7 | 10 | 2 | 10 | 9 |
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Direction of waves offshore
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G | G | G | VG | VG | VG | VG | VG |
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Humidity
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92% | 92% | 88% | 75% | 64% | 62% | 64% | 81% |
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UV
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- | - | 1 | 3 | 5 | 3 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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<5% | 10% | <5% | <5% | 10% | <5% | <5% | <5% |
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7°
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7°
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8°
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9°
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10°
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10°
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10°
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7°
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5° | 5° | 6° | 7° | 7° | 8° | 7° | 5° |
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N
6
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N
6
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N
7
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N
11
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N
13
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NNW
13
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NNW
11
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NNW
8
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10 | 10 | 12 | 21 | 25 | 25 | 20 | 13 |
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0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 |
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9 | 9 | 9 | 9 | 9 | 2 | 9 | 9 |
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Direction of waves offshore
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VG | VG | VG | VG | VG | VG | VG | VG |
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Humidity
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83% | 85% | 81% | 68% | 62% | 61% | 65% | 80% |
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UV
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- | - | 1 | 3 | 5 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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<5% | 10% | 10% | 10% | 10% | 10% | 10% | 10% |
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7°
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6°
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8°
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9°
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10°
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10°
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10°
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8°
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5° | 4° | 6° | 7° | 8° | 8° | 7° | 6° |
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NNW
7
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NNW
7
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E
7
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NW
9
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NW
11
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NW
11
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NW
9
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WNW
8
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12 | 11 | 11 | 19 | 21 | 20 | 16 | 13 |
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0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
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9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
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Direction of waves offshore
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VG | VG | VG | G | G | G | G | G |
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Humidity
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83% | 85% | 82% | 70% | 66% | 66% | 71% | 83% |
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UV
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- | - | 1 | 3 | 4 | 2 | 1 | - |
| Time | 01:00 | 04:00 | 07:00 | 10:00 | 13:00 | 16:00 | 19:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|
| Weather symbols |
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Chance of precipitation
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10% | 10% | 10% | 10% | 20% | 30% | 30% | 10% |
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7°
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7°
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8°
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9°
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10°
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11°
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10°
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8°
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5° | 5° | 5° | 7° | 8° | 8° | 8° | 6° |
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NW
9
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NW
9
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NW
9
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NW
11
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NW
11
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W
11
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NW
10
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WNW
9
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15 | 16 | 16 | 21 | 22 | 21 | 18 | 15 |
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0.1 | – | – | – | – | – | – | – |
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8 | – | – | – | – | – | – | – |
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Direction of waves offshore
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– | – | – | – | – | – | – |
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G | VG | G | VG | G | G | VG | G |
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Humidity
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83% | 83% | 84% | 74% | 68% | 66% | 71% | 83% |
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UV
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- | - | 1 | 3 | 4 | 2 | 1 | - |
Our weather symbols tell you the weather conditions for any given hour in the day or night. This means that the symbol for 9am shows you what you will see from 9am to 10am.
Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail or drizzle) will fall from the sky at a certain time.
This number shows the air temperature for the time period. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.
Feels like temperature considers other factors, such as wind speed and humidity. This gives you a better idea of how the temperature will actually feel at the time.
Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull.
Strong winds are shown in bold for speeds of 29 mph or more.
The arrow shows the direction the wind is blowing. The letters show the direction the wind is blowing from (on a standard 16-point compass).
The number represents the average wind speed expected at that time.
The arrow shows the direction of the wind (up is north). If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The number is the average wind speed.
Beware of offshore winds if you are using inflatables, paddle boards or kayaks. These winds can blow you out to sea. Read more about how wind will affect you at the beach.
Visibility measures the distance at which an object can be clearly seen.
| VP (Very Poor) | Less than 1 km |
| P (Poor) | 1.1 km to 4 km |
| M (Moderate) | 4.1 km to 10 km |
| G (Good) | 10.1 km to 20 km |
| VG (Very Good) | 20.1 km to 40 km |
| E (Excellent) | Greater than 40 km |
Humidity is the amount of water vapor in the air. If there is a lot of water vapour, the humidity will be high. The higher the percentage of humidity, the wetter it will feel outside.
UV exposure index and the protection required to help keep you safe:
No risk of UV - It’s safe to stay outside. Low - You can safely stay outside. Consider sunscreen in direct sunlight. Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. Sunscreen advised. High - Seek shade during midday hours, cover up and wear sunscreen. Very high - Spend time in the shade between 11am and 3pm. Shirt, sunscreen and hat are essential. Extreme - Avoid being outside during midday hours. Shirt, sunscreen and hat essential.
This is the average height of the waves, 1-2 miles out to sea. The height of the waves can vary. The individual waves out to sea or at the beach can be higher than this number. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away.
Read more about calculating the expected height of the waves at the beach.
This is the average number of seconds between one wave and the next, 1-2 miles out to sea. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. Lifeguards can give you advice on waves if you’re planning to go into the water.
Read more about the period of waves.
The arrow shows the average direction of the waves 1-2 miles out to sea. It indicates how sheltered the beach will be from these waves. If the arrow points towards land, most of the waves’ power will reach the beach. If the arrow is parallel to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore.
Lifeguards can give you advice on waves if you’re planning to go into the water.
Forecast row information
Tide times
Tide times
for Sat 20 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Sun 21 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Mon 22 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Tue 23 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Wed 24 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Thu 25 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Fri 26 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Sat 27 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Sun 28 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Mon 29 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tide times
for Tue 30 Apr
Tide times and heights are from Porthmadog tidal station which is 1.6 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Morfa Bychan (Craig Du) (Beach) weather map
View the weather with our interactive map
Loading map…
Wales weather forecast
Headline:
Dry with plenty of sunshine after a colder start.
Today:
A cold but bright start, with a touch of frost. A dry day to follow with cloud gradually building through the afternoon. Feeling pleasant in the sunshine with light winds. Maximum temperature 13 °C.
Tonight:
Remaining dry this evening with late sunshine. Clear spells overnight with cloud increasing for most by dawn. Less cold than the previous night. Minimum temperature 2 °C.
Sunday:
A cloudier start to the day with some patchy rain and drizzle during the afternoon and evening. Feeling cooler with light winds. Maximum temperature 13 °C.
Outlook for Monday to Wednesday:
Cloudy on Monday with outbreaks of rain and drizzle. Drier on Tuesday and Wednesday with sunnier spells and a few showers possible. Temperatures around average with light winds.
Updated:
UK long range weather forecast
This period will be dominated by high pressure to the northwest of the UK and lower pressure to the southeast over the near continent, and the extent to which either of these systems dominates at any particular time. The wind will probably therefore predominantly come from a northerly direction, so temperatures overall are likely to remain around or a little below average, with any warmer conditions will generally be further west - and near some eastern coasts it could feel quite cold at times. There should be a reasonable amount of dry weather around, especially in the north and west, but some rain or showers are likely at times, most-likely in the south and east at first, but with an increasing risk elsewhere towards early May.
Updated:
In this period, the chances of unsettled weather are slightly less than usual in the north and about the same as usual further south. Therefore, some spells of wetter weather are likely for all, but perhaps especially southern areas at first with the driest conditions probably further north. Temperatures will probably near or a little below average at first, but likely to recover to around or a little above average through early-mid May. Also worth noting that average temperatures themselves rise by around 1C per week at this time of year.
Updated:
