Coast and sea

Inshore waters and strong winds

General situation

A mainly southerly or southwesterly airflow across the United Kingdom will bring unsettled conditions and strong winds to all areas at times, with gales in places at first on Monday.

Issued at:

For coastal areas up to 12 miles offshore for the period to

Inshore waters forecast and strong winds map

Cape Wrath to Rattray Head including Orkney (1)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic becoming west 4 to 6, occasionally 7 near Rattray Head, backing southwest 5 to 7 later.
Sea state
Slight or moderate, occasionally rough in north and near Rattray Head.
Weather
Rain, showers later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest 5 to 7, becoming cyclonic 3 or 4 later.
Sea state
Slight or moderate, occasionally rough in north.
Weather
Showers.
Visibility
Good.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
Southeasterly becoming cyclonic 5 to 7, occasionally gale 8 in east, then becoming southwesterly 4 to 6 later.
Sea state
Slight or moderate, occasionally rough later near Rattray Head.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly 4 to 6, becoming cyclonic 3 or 4 later.
Sea state
Slight or moderate.
Weather
Showers later.
Visibility
Good, occasionally moderate later.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
Southeast 5 or 6, becoming cyclonic 6 to gale 8, then becoming west or southwest 4 to 6.
Sea state
Slight or moderate, occasionally rough offshore.
Weather
Showers, rain for a time at first.
Visibility
Good, becoming moderate or poor for a time at first.

Outlook for the following 24 hours:

Wind
South or southwest 4 to 6, becoming cyclonic 3 or 4 later.
Sea state
Slight or moderate.
Weather
Rain or showers later.
Visibility
Good, occasionally poor later.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
South 4 to 6, backing southeast 6 to gale 8, then veering west or southwest 4 to 6.
Sea state
Slight, becoming moderate for a time.
Weather
Showers, rain for a time at first.
Visibility
Good, becoming moderate or poor for a time at first.

Outlook for the following 24 hours:

Wind
Southwest backing south 4 to 6.
Sea state
Slight or moderate.
Weather
Rain or showers later.
Visibility
Good, occasionally poor later.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly 4 or 5, backing southerly or southeasterly 6 to gale 8, then veering westerly or southwesterly 5 to 7, occasionally 4 later.
Sea state
Slight, becoming slight or moderate, occasionally rough in east.
Weather
Showers, rain for a time at first.
Visibility
Good, becoming moderate or poor for a time at first.

Outlook for the following 24 hours:

Wind
Southwesterly backing southerly 4 to 6, occasionally 7 later.
Sea state
Slight or moderate.
Weather
Showers, thundery rain later.
Visibility
Moderate or good, occasionally poor later.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Southerly 4 or 5, increasing 6 to gale 8, then veering westerly or southwesterly 5 to 7.
Sea state
Slight, becoming moderate, occasionally rough in west.
Weather
Showers, rain for a time at first.
Visibility
Good, becoming moderate or poor for a time at first.

Outlook for the following 24 hours:

Wind
Southwesterly 4 to 6, occasionally 7 later.
Sea state
Moderate, occasionally rough later.
Weather
Showers, thundery rain later.
Visibility
Moderate or good, occasionally poor later.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
South 5 or 6, becoming cyclonic 6 to gale 8, then west or southwest 5 to 7.
Sea state
Moderate, occasionally rough.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest, veering west later, 4 to 6, occasionally 7 later.
Sea state
Moderate, occasionally rough later.
Weather
Showers, thundery rain later.
Visibility
Moderate or good, occasionally poor later.

Lyme Regis to Lands End including the Isles of Scilly (8)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic 6 to gale 8, becoming west or southwest 5 to 7, occasionally 4 later.
Sea state
Mainly moderate in lyme bay, otherwise moderate or rough, occasionally very rough later near Isles of Scilly.
Weather
Rain then squally showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest, veering northwest later, 5 to 7, occasionally 4 at first.
Sea state
Mainly moderate in lyme bay, otherwise moderate or rough, occasionally very rough at first near Isles of Scilly.
Weather
Rain or showers, perhaps thundery.
Visibility
Good, occasionally poor.

Lands End to St Davids Head including the Bristol Channel (9)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic 6 to gale 8, becoming west or southwest 4 to 6, increasing 7 at times.
Sea state
Moderate or rough, occasionally slight in inner Bristol Channel.
Weather
Rain then squally showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest 4 to 6, veering northwest 5 to 7 later.
Sea state
Slight or moderate in inner Bristol Channel, otherwise moderate or rough.
Weather
Rain or showers, perhaps thundery.
Visibility
Good, occasionally poor.

St Davids Head to Great Orme Head, including St Georges Channel (10)

Strong winds are forecast

24 hour forecast:

Wind
Northwesterly, backing westerly or southwesterly, 4 to 6, increasing 7 at times in south.
Sea state
Slight or moderate, occasionally rough later near St Davids Head.
Weather
Rain then squally showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwesterly, backing southerly, 4 to 6, veering northwesterly 5 or 6 later.
Sea state
Slight or moderate, occasionally rough at first in south.
Weather
Rain or showers, perhaps thundery.
Visibility
Good, occasionally poor.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic, becoming west or southwest, 4 to 6, occasionally 7 at first.
Sea state
Moderate, occasionally slight.
Weather
Rain then squally showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest, veering northwest later, 4 to 6.
Sea state
Slight or moderate, becoming slight later.
Weather
Rain or showers, perhaps thundery.
Visibility
Good, occasionally poor.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
West or northwest 3 or 4, backing southwest 4 to 6.
Sea state
Moderate, occasionally slight.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 4 to 6, veering northwest 3 or 4 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4, becoming west or southwest 4 to 6.
Sea state
Slight or moderate, occasionally rough in far northwest.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest, veering west or northwest, 4 to 6.
Sea state
Slight or moderate, occasionally rough in far northwest.
Weather
Showers.
Visibility
Good.

Mull of Galloway to Mull of Kintyre including the Firth of Clyde and North Channel (14)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4, becoming westerly or southwesterly 4 to 6.
Sea state
Slight or moderate, occasional smooth in Firth of Clyde.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwesterly, veering westerly or northwesterly later, 4 to 6.
Sea state
Slight or moderate, becoming smooth or slight later in Firth of Clyde.
Weather
Showers.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
South 3 to 5, veering west or southwest 5 to 7.
Sea state
Moderate or rough, occasionally slight in sheltered east.
Weather
Occasional rain then squally showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Southwest 5 to 7, veering west or northwest 3 to 5 later.
Sea state
Moderate or rough.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
South 3 to 5, veering southwest 5 to 7.
Sea state
Slight or moderate, becoming rough at times in southwest.
Weather
Squally showers, perhaps thundery.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
South or southwest 5 to 7, veering west 4 or 5 later.
Sea state
Slight or moderate, occasional rough in south.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
South 3 to 5, veering southwest 5 to 7.
Sea state
Moderate or rough.
Weather
Squally showers, perhaps thundery.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
South or southwest 5 to 7, veering west 4 or 5 later.
Sea state
Rough, occasionally moderate.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
South or southeast 4 to 6, becoming cyclonic, then southwest later, 5 to 7, occasionally gale 8 later.
Sea state
Rough, occasionally very rough.
Weather
Occasional rain or showers.
Visibility
Moderate, occasionally poor, becoming mainly good later.

For Coastal areas up to 60 nautical miles from Lerwick, Shetland (18)

Strong wind warning

Valid Monday 27 Sep 2021 at 0000 UTC until Monday 27 Sep 2021 at 1200 UTC

General situation

Large Icelandic will remain slow moving. Shallow area of low pressure will develop across Shetland Waters on Monday, track northwest and deepen. Showery southwesterly flow will follow on behind for later Monday.

Forecast

Wind
Southerly or southeasterly 6 or 7 in east, cyclonic 3 to 5 in the west.
Sea state
Rough or very rough
Weather
Rain in west. Mist patches in east at first.
Visibility
Moderate occasionally poor.

Outlook for 12 Hours from 1200 UTC on Monday 27 Sep until 0000 UTC on Tuesday 28 Sep

Wind
Cyclonic 5 to 7, perhaps gale 8 in east at first, becoming southwesterly 5 to 7
Sea state
Rough or very rough
Weather
Rain then occasional showers
Visibility
Moderate occasionally poor, becoming mainly good.

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
Southerly 5 to 7, locally gale 8 with gusts to 50kt, veering northwest 5 to 6 around dawn, then backing west to southwest 4 to 6 by mid-morning.
Sea state
Moderate in the south to rough in the northwest.
Weather
Rain, locally heavy, clearing eastward by mid-morning the odd shower developing after dawn, locally heavy.
Visibility
Moderate to poor, becoming good, locally moderate.

Outlook for the following 24 hours:

Wind
Southwest to south 4 to 5, increasing 4 to 6 by noon.
Sea state
Moderate in the south to rough in the northwest, decreasing slight to moderate with a low to moderate swell for a time during the morning.
Weather
Occasional showers from noon, locally heavy, merging into persistent rain at times.
Visibility
Good, locally moderate or poor at times.

The inshore waters forecast information

Forecasts for UK inshore waters are issued four times a day and cover a period of 24 hours from 0000, 0600, 1200 and 1800 UTC.

The coastal waters around the British Isles are divided into 19 areas which extend up to 12 nautical miles offshore.

The forecast contains details of wind direction and force, sea state, weather and visibility.

Strong coastal winds (force 6 or more) are displayed for the first 24 hours of the inshore waters forecast.

Marine forecasts disclaimer

In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed.

Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.