Coast and sea

Inshore waters and strong winds

General situation

A complex area of low pressure will remain slow moving over or just to the west of the United Kingdom, and will bring unsettled and at times rather windy weather to all areas during the next couple of days.

Issued at:

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

Cape Wrath to Rattray Head including Orkney (1)

Strong winds are forecast

24 hour forecast:

Wind
Easterly 5 or 6, occasionally 7 in north, veering southeasterly 4 or 5 later.
Sea state
Moderate or rough.
Weather
Occasional drizzle for a time.
Visibility
Moderate or good, occasionally poor for a time.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 4 or 5, increasing 6 at times, occasionally 7 later.
Sea state
Moderate or rough, becoming slight or moderate.
Weather
Rain or drizzle for a time, fog patches.
Visibility
Moderate, occasionally very poor.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
East or northeast, veering southeast later, 4 or 5, occasionally 6 at first.
Sea state
Moderate or rough, becoming moderate later.
Weather
Occasional drizzle for a time.
Visibility
Moderate or good, becoming poor for a time.

Outlook for the following 24 hours:

Wind
East or southeast 4 or 5, veering south 5 to 7 for a time.
Sea state
Moderate, occasionally slight later.
Weather
Rain and fog patches for a time.
Visibility
Moderate or good, occasionally very poor for a time.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
East veering southeast, 4 or 5, increasing 6 for a time.
Sea state
Moderate, occasionally rough at first in north.
Weather
Rain later.
Visibility
Moderate or good, occasionally poor later.

Outlook for the following 24 hours:

Wind
East or southeast, veering south or southeast, 4 or 5, increasing 6 at times.
Sea state
Moderate, becoming slight later.
Weather
Occasional rain or showers at first.
Visibility
Moderate or good, occasionally poor at first.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
East or southeast, veering south or southeast, 4 or 5.
Sea state
Slight or moderate.
Weather
Rain or showers later.
Visibility
Moderate or good.

Outlook for the following 24 hours:

Wind
South or southeast, 4 or 5, occasionally 6 at first.
Sea state
Slight or moderate, becoming slight later.
Weather
Rain or thundery showers at first.
Visibility
Good, occasionally moderate.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Southerly or southeasterly 4 or 5, increasing 6 at times.
Sea state
Slight or moderate.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southeasterly 5 or 6, veering southerly 4 or 5.
Sea state
Slight or moderate, becoming slight.
Weather
Thundery showers.
Visibility
Good, occasionally moderate.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly backing southeasterly, then veering southerly later, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southeasterly 4 or 5.
Sea state
Slight, occasionally moderate.
Weather
Showers, occasionally thundery.
Visibility
Good, occasionally moderate.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
Southwest 4 or 5, backing southeast 5 or 6 for a time.
Sea state
Slight or moderate, becoming moderate.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest 4 or 5, occasionally 6 later.
Sea state
Slight or moderate.
Weather
Showers, occasionally thundery.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
South or southwest, backing southeast for a time, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, occasionally rough in southwest.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest 4 or 5, veering west 5 to 7 later.
Sea state
Slight or moderate east of the Lizard, otherwise moderate or rough, becoming rough or very rough later.
Weather
Showers, occasionally thundery.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
Variable 3 or 4 at first in Bristol Channel, otherwise southerly, backing easterly or southeasterly for a time, 4 or 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally rough in west.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly 4 or 5, but 6 or 7 at first in west, veering westerly 5 to 7 later in west.
Sea state
Slight at times in Bristol Channel, otherwise moderate or rough.
Weather
Thundery showers.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
Easterly at first in north, otherwise southerly, backing easterly or southeasterly, 4 or 5, occasionally 6 later.
Sea state
Smooth or slight, becoming slight or moderate.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southerly or southeasterly 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, occasionally rough at first in west.
Weather
Thundery showers.
Visibility
Good, occasionally moderate.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
Occasionally variable 3 or 4 at first in east, otherwise easterly, becoming cyclonic for a time, 4 or 5, increasing 6 at times.
Sea state
Smooth or slight, becoming slight or moderate in west.
Weather
Fair, then rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Easterly, veering southerly or southeasterly, 4 or 5, increasing 6 at times.
Sea state
Smooth or slight in Liverpool Bay, otherwise slight or moderate, occasionally rough in far northwest.
Weather
Occasional rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
East 4 or 5, veering south 5 or 6 for a time.
Sea state
Slight or moderate.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
East 4 or 5, veering south or southeast 5 or 6.
Sea state
Slight or moderate.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
East or southeast, veering south for a time, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, occasionally smooth at first in east.
Weather
Fair, then rain or showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
East or southeast, veering south, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, becoming moderate, occasionally rough.
Weather
Occasional rain or thundery showers.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
Easterly or northeasterly, veering southerly or southeasterly, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, occasionally smooth in shelter.
Weather
Fair, then rain or showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly, veering southerly or southeasterly, 4 or 5, increasing 6 at times.
Sea state
Slight or moderate, becoming moderate or rough for a time.
Weather
Occasional rain or thundery showers.
Visibility
Good, occasionally moderate.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
East, veering southeast later, 5 or 6, occasionally 4 later.
Sea state
Slight or moderate, occasionally rough later in far northwest.
Weather
Fair, then rain or showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
East or southeast 4 or 5.
Sea state
Slight or moderate, becoming moderate or rough.
Weather
Occasional rain or thundery showers.
Visibility
Good, occasionally moderate.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
Easterly or northeasterly, veering southerly or southeasterly later, 5 or 6, decreasing 4 at times, occasionally 7 at first in north.
Sea state
Slight or moderate.
Weather
Rain for a time.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Southeast 4 or 5, becoming variable 3 or 4 for a time.
Sea state
Smooth at times in central areas, otherwise slight or moderate, occasionally rough later in far south.
Weather
Rain for a time, showers later.
Visibility
Good, occasionally moderate.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
Easterly or northeasterly, veering southerly or southeasterly later, 5 or 6, decreasing 4 at times, occasionally 7 at first in north.
Sea state
Moderate, occasionally rough.
Weather
Rain for a time.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Southeast 4 or 5, becoming variable 3 or 4 for a time.
Sea state
Moderate, occasionally rough.
Weather
Rain for a time, showers later.
Visibility
Good, occasionally moderate.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
East, veering southeast later, 5 to 7.
Sea state
Moderate or rough, occasionally slight in shelter to the west of Shetland.
Weather
Mainly fair, then occasional rain.
Visibility
Good becoming moderate, occasionally poor.

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

Valid Wednesday 24 Apr 2019 at 1200 UTC until Thursday 25 Apr 2019 at 0000 UTC

General situation

The ridge of high pressure over the East Shetland Basin will decline allowing fronts to cross from the south on Wednesday night.

Forecast

Wind
East 5 or 6, increasing 7 at times later.
Sea state
Moderate or rough, but slight in sheltered waters west of shetland.
Weather
Mainly fair, occasional rain later.
Visibility
Good, occasionally moderate or poor later.

Outlook for 12 Hours from 0000 UTC on Thursday 25 Apr until 1200 UTC on Thursday 25 Apr

Wind
East veering southeast 5 to 7.
Sea state
Rough, but slight or moderate in sheltered waters west of shetland
Weather
Occasional rain. Fog patches possible.
Visibility
Good, occasionally moderate or poor, perhaps very poor at times.

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
South to southeast 3 to 4, occasionally 5, backing east to southeast 5 to 6 with gusts to 35kt early this evening, then veering south overnight and occasionally 4 after dawn.
Sea state
Slight to moderate, increasing rather rough in the north and west from late evening till dawn.
Weather
Showers, locally heavy and prolonged with a risk of thunder and hail, especially this evening and early tonight.
Visibility
Good, occasionally moderate or poor during showers.

Outlook for the following 24 hours:

Wind
South 4 to 5, perhaps occasionally 6, locally variable 2 to 3, then decreasing 2 to 4 during evening and veering southwest after dawn.
Sea state
Slight, locally moderate early afternoon and again in west after midday Friday, with a low increasing moderate swell by noon Friday.
Weather
Occasional showers, locally heavy with a risk of thunder, becoming isolated overnight rain in west late morning.
Visibility
Good, occasionally moderate to poor during showers and rain.

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.

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.