Coast and sea

Inshore waters and strong winds

General situation

A slack area of low pressure will move south over the Continent, allowing a weak ridge of high pressure to follow from the north today. Rain or showers will affect the coastal waters, with fog in the southeast and thundery showers possible in the Bristol Channel. Then a cold northerly flow is expected tomorrow, before another high builds in the north on Wednesday.

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
Southwesterly 4 or 5, occasionally 6 in north, becoming variable 2 to 4, then northwesterly 4 to 6.
Sea state
Smooth or slight in southeast, moderate in northwest.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Northwesterly 4 to 6, backing southwesterly 2 to 4 later.
Sea state
Slight or moderate, occasionally smooth in inner Moray Firth and rough in northwest.
Weather
Showers.
Visibility
Good.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest becoming variable, 2 to 4, then northwest 4 to 6 later.
Sea state
Smooth or slight.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Northwest 4 to 6, becoming variable 3 or less later.
Sea state
Smooth or slight, occasionally moderate in north.
Weather
Showers.
Visibility
Good.

Berwick upon Tweed to Whitby (3)

24 hour forecast:

Wind
Variable 2 to 4.
Sea state
Slight, occasionally smooth later.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 2 to 4, becoming northeast 4 to 6, veering east 3 or 4 later.
Sea state
Smooth or slight becoming slight or moderate.
Weather
Showers.
Visibility
Good.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
Northeast 2 to 4, becoming variable 3 or less.
Sea state
Slight, occasionally smooth later.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming northeast 4 to 6.
Sea state
Smooth or slight becoming moderate.
Weather
Showers.
Visibility
Good.

Gibraltar Point to North Foreland (5)

24 hour forecast:

Wind
Variable 4 or less, becoming northeasterly 2 to 4, occasionally 5 later in east.
Sea state
Smooth or slight.
Weather
Rain with fog banks, fair later.
Visibility
Moderate to very poor, becoming good later.

Outlook for the following 24 hours:

Wind
Northeasterly 4 or 5, but 2 or 3 at first in west, occasionally 6 later in east.
Sea state
Smooth or slight, becoming moderate, occasionally rough later in east.
Weather
Showers later.
Visibility
Good.

North Foreland to Selsey Bill (6)

24 hour forecast:

Wind
Variable 3 or less, becoming northeasterly 3 to 5.
Sea state
Smooth, becoming slight later except in west.
Weather
Showers and fog patches, fair later.
Visibility
Moderate or good, occasionally very poor.

Outlook for the following 24 hours:

Wind
Northeasterly 3 to 5, increasing 5 or 6.
Sea state
Smooth or slight, becoming slight or moderate, then rough later in northeast.
Weather
Occasional rain or showers.
Visibility
Good, occasionally moderate.

Selsey Bill to Lyme Regis (7)

24 hour forecast:

Wind
Variable 3 or less, becoming northwest, veering northeast later, 3 or 4.
Sea state
Smooth.
Weather
Showers and fog patches, rain later.
Visibility
Moderate or good, occasionally very poor.

Outlook for the following 24 hours:

Wind
Northeast 3 or 4, becoming variable 3 or less, then northeast 4 or 5 later.
Sea state
Smooth becoming slight, occasionally moderate later.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

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

24 hour forecast:

Wind
Variable 4 or less, becoming northerly or northeasterly 3 to 5 later.
Sea state
Smooth or slight, occasionally moderate later in far west.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Northerly or northeasterly 3 to 5.
Sea state
Smooth or slight, but moderate in far west.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

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

24 hour forecast:

Wind
Variable 4 or less, becoming north or northeast 3 to 5.
Sea state
Smooth or slight, occasionally moderate in west.
Weather
Rain or showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
North or northeast, backing northwest for a time, 3 to 5.
Sea state
Smooth or slight, occasionally moderate in southwest.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

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

24 hour forecast:

Wind
Northeast 3 or 4, backing north or northwest 3 to 5.
Sea state
Smooth or slight, occasionally moderate in southwest.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 3 to 5, veering east or northeast 4 to 6 later.
Sea state
Smooth or slight, occasionally moderate in west.
Weather
Occasional rain or showers.
Visibility
Good, occasionally moderate.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
Northeast backing northwest, becoming variable for a time, 2 to 4.
Sea state
Smooth or slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 2 to 4, veering east 4 to 6.
Sea state
Smooth or slight, occasionally moderate near great orme head and Mull of Galloway.
Weather
Occasional rain or showers.
Visibility
Good, occasionally moderate.

Isle of Man (12)

24 hour forecast:

Wind
North or northwest 2 to 4.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwest 3 or 4, increasing north or northeast 4 or 5, veering east or southeast 4 or 5 occasionally 6 later.
Sea state
Smooth or slight, becoming slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Lough Foyle to Carlingford Lough (13)

24 hour forecast:

Wind
North or northwest 2 to 4.
Sea state
Smooth or slight, occasionally moderate later in far northwest.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 3 or 4, veering east or southeast 4 or 5.
Sea state
Slight or moderate, occasionally smooth at first in south and east.
Weather
Showers.
Visibility
Good.

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

24 hour forecast:

Wind
Westerly or northwesterly 3 or 4.
Sea state
Smooth or slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwesterly 3 or 4 veering northeasterly 4 or 5, then easterly 3 to 5 later.
Sea state
Smooth or slight, occasionally moderate in North Channel.
Weather
Showers.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
West or northwest 3 or 4, veering north 4 to 6 later.
Sea state
Slight or moderate, occasionally smooth in sheltered southeast.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
North 4 to 6, veering east or southeast 2 to 4 later.
Sea state
Slight or moderate, occasionally smooth in sheltered east.
Weather
Showers.
Visibility
Good, occasionally moderate.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest 4 or 5, veering north 5 or 6.
Sea state
Smooth or slight, but moderate in north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
North 5 or 6, becoming variable 3 or less.
Sea state
Slight or moderate, becoming smooth except in north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest 4 or 5, veering north 5 or 6.
Sea state
Moderate, but slight in southeast.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
North 5 or 6, becoming variable 3 or less.
Sea state
Moderate, occasionally slight in southeast and rough in north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic 3 to 5, becoming variable 2 to 4, then cyclonic, becoming northwest later, 4 to 6.
Sea state
Moderate, but slight in southeast, becoming rough later in north and west.
Weather
Occasional rain or sleet, wintry showers later.
Visibility
Moderate or good, occasionally poor.

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

Valid Monday 04 May 2026 at 0600 UTC until Monday 04 May 2026 at 1800 UTC

General situation

A trough moves across Shetland Waters on Monday morning followed by a north or northwesterly airflow.

Forecast

Wind
Cyclonic 4 to 6 becoming north or northwest 3 to 5
Sea state
Moderate, but slight just southeast of shetland
Weather
Rain or showers, occasionally wintry
Visibility
Moderate or good, occasionally poor

Outlook for 12 Hours from 1800 UTC on Monday 04 May until 0600 UTC on Tuesday 05 May

Wind
North or northwest 3 to 5, occasionally 6 later
Sea state
Moderate, becoming rough later in northwest
Weather
Wintry showers
Visibility
Good, occasionally poor

Channel Islands (19)

24 hour forecast:

Wind
North 2 to 3, locally variable 1 to 2 until midday, increasing 3 to 4 this afternoon.
Sea state
Smooth, locally slight at times.
Weather
Risk of mist patches near the french coast at first risk of isolated thundery showers near the normandy coast this afternoon rain spreading northwards overnight.
Visibility
Good, perhaps locally poor at times, becoming moderate, or poor later.

Outlook for the following 24 hours:

Wind
North to northeast 3 to 4, locally 2 at times, increasing 4 to 5 later.
Sea state
Smooth, occasionally slight, increasing slight to moderate later.
Weather
Rain or showers, perhaps locally heavy in the south, clearing southwards by dusk.
Visibility
Moderate, locally poor at first, becoming good.

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

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