Coast and sea

Inshore waters and strong winds

General situation

Low pressure centred to the north and west of the United Kingdom will bring a strong south to southwesterly airflow to much of the british inshore waters on Wednesday, with gales at times in some western areas.

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)

24 hour forecast:

Wind
South or southwest, backing southeast for a time later, 3 to 5.
Sea state
Moderate or rough to the west and north of Orkney and smooth or slight in Moray Firth, elsewhere slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly, backing southeasterly, 3 to 5, veering westerly 3 or 4 later.
Sea state
Moderate or rough to the west and north of Orkney until later and smooth or slight in Moray Firth, elsewhere slight or moderate.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Rattray Head to Berwick upon Tweed (2)

24 hour forecast:

Wind
South or southwest 3 to 5.
Sea state
Moderate in north, slight or moderate in south.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest, veering southeast for a time, 3 to 5.
Sea state
Moderate in north, slight or moderate in south.
Weather
Rain at times.
Visibility
Good, occasionally poor.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

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

Outlook for the following 24 hours:

Wind
South or southeast 4 to 6, veering west or southwest 3 to 5 later.
Sea state
Slight or moderate, becoming moderate later.
Weather
Rain at times.
Visibility
Good, occasionally poor.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing south, 5 to 7.
Sea state
Slight or moderate.
Weather
Occasional rain in far north, otherwise fair.
Visibility
Good, occasionally moderate in far north.

Outlook for the following 24 hours:

Wind
South or southeast 5 or 6, occasionally 7 later.
Sea state
Slight or moderate.
Weather
Rain at times.
Visibility
Good, occasionally poor.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly, backing southerly, 4 to 6.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southerly 4 to 6, occasionally 7 later.
Sea state
Slight or moderate.
Weather
Showers later.
Visibility
Mainly good.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally slight in east.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southerly 4 to 6, occasionally 7 later, veering westerly or southwesterly 5 or 6 later.
Sea state
Moderate, occasionally slight in east, occasionally rough for a time later.
Weather
Rain or showers later.
Visibility
Good, occasionally poor later.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 4 to 6.
Sea state
Moderate.
Weather
Rain later in far west.
Visibility
Good, occasionally poor later in far west.

Outlook for the following 24 hours:

Wind
South 5 to 7, occasionally gale 8 for a time, veering west or southwest 4 or 5 later.
Sea state
Moderate, becoming moderate or rough for a time.
Weather
Occasional rain, then showers.
Visibility
Good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
Southerly or southwesterly 5 or 6, occasionally 7 in west.
Sea state
Moderate in east, mainly moderate or rough in west, occasionally very rough later near the Isles of Scilly.
Weather
Occasional rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly 5 to 7, occasionally gale 8 for a time in east, becoming cyclonic 4 to 6, then westerly or southwesterly 4 or 5 later.
Sea state
Moderate or rough.
Weather
Occasional rain, then showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 5 to 7, occasionally gale 8 in west.
Sea state
Moderate or rough, occasionally slight in east and very rough in west.
Weather
Fair, then occasional rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly, becoming cyclonic, then westerly or southwesterly later, 4 to 6.
Sea state
Moderate or rough, occasionally slight in east.
Weather
Occasional rain, then showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 6 to gale 8, decreasing 3 to 5 later.
Sea state
Moderate or rough, occasionally very rough near st david's head, becoming slight or moderate later.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest 3 to 5, backing southeast 2 to 4, then veering northwest 3 to 5 later, then backing southwest later.
Sea state
Slight or moderate.
Weather
Rain at times, then showers later.
Visibility
Moderate or good, occasionally poor.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 5 to 7, occasionally gale 8 at first, backing south or southeast 3 or 4 later.
Sea state
Slight or moderate, occasionally rough at first.
Weather
Rain or drizzle.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southeast 3 or 4, becoming cyclonic, mainly south, 4 to 6, then west 4 or 5 later.
Sea state
Slight or moderate, becoming smooth or slight later.
Weather
Occasional rain, then showers later.
Visibility
Moderate or good, occasionally poor.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 5 to 7, occasionally gale 8 at first, backing south or southeast 3 or 4 later.
Sea state
Moderate or rough, becoming slight or moderate later.
Weather
Rain or drizzle.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southeast 3 or 4, becoming cyclonic, mainly south, 4 to 6, then west 4 or 5 later.
Sea state
Slight or moderate, becoming smooth or slight later.
Weather
Occasional rain, then showers later.
Visibility
Moderate or good, occasionally poor.

Lough Foyle to Carlingford Lough (13)

24 hour forecast:

Wind
South or southwest 3 to 5, backing southeast 3 or 4 for a time.
Sea state
Moderate or rough becoming slight or moderate in southeast.
Weather
Showers, occasional rain later.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest, veering west for a time, 3 to 5.
Sea state
Slight or moderate, occasionally rough in far northwest and slight later in east.
Weather
Rain then showers.
Visibility
Good, occasionally poor.

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

24 hour forecast:

Wind
Southerly or southwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwesterly, becoming cyclonic, then northwesterly, then eering southwesterly later, 3 or 4.
Sea state
Slight or moderate, becoming smooth or slight.
Weather
Rain or showers, becoming mainly fair later.
Visibility
Good, occasionally poor until later.

Mull of Kintyre to Ardnamurchan Point (15)

24 hour forecast:

Wind
South or southwest 3 to 5.
Sea state
Moderate or rough, occasionally slight in sheltered east and very rough later in far west.
Weather
Showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest 3 to 5, becoming variable 2 to 4 for a time.
Sea state
Moderate or rough, occasionally very rough at first in far west.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 4 to 6.
Sea state
Slight or moderate, occasionally rough in the northern and southern entrances.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 4 to 6, backing south or southeast 3 to 5, then veering southwest 3 or 4 later.
Sea state
Slight or moderate, occasionally rough in the northern and southern entrances until later.
Weather
Showers.
Visibility
Good, occasionally moderate.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 4 to 6.
Sea state
Rough, becoming rough or very rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 4 to 6, backing south or southeast 3 to 5, then veering southwest 3 or 4 later.
Sea state
Rough or very rough, becoming moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing south, 3 to 5, occasionally 6 at first.
Sea state
Moderate or rough, occasionally very rough later in far west.
Weather
Showers.
Visibility
Mainly good.

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

Strong wind warning

Valid Wednesday 27 Oct 2021 at 1800 UTC until Thursday 28 Oct 2021 at 0600 UTC

General situation

An area of low pressure to the south of Iceland will maintain a southwesterly flow across Shetland Waters.

Forecast

Wind
Southwesterly backing southerly 4 or 5, decreasing 3 in southeast for a time
Sea state
Rough, but moderate in sheltered waters east of shetland.
Weather
Showers.
Visibility
Good.

Outlook for 12 Hours from 0600 UTC on Thursday 28 Oct until 1800 UTC on Thursday 28 Oct

Wind
South 3 to 5.
Sea state
Rough, but moderate in sheltered waters east of shetland, becoming very rough in far west.
Weather
Showers. Mist patches in east later.
Visibility
Good, occasionally poor in east later.

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
Southerly 4 to 5, locally 6 in the north of the area later overnight, increasing 5 to 6 after dawn but locally 4 in far south near french coast.
Sea state
Slight to moderate with a low to moderate swell.
Weather
Local mist near french coasts from midnight until mid morning.
Visibility
Good, locally poor near french coasts.

Outlook for the following 24 hours:

Wind
Southerly 5 to 6, increasing 6 to 7 during the evening, and perhaps locally gale 8 in the north by midnight, veering westerly 5 to 7 late morning.
Sea state
Moderate, occasionally slight in south, with a low to moderate swell, increasing rather rough to rough during Friday morning then decreasing moderate to rather rough by dusk.
Weather
Rain spreading east overnight, locally heavy, then showers from late morning.
Visibility
Good becoming moderate or poor overnight, improving moderate to good by midday.

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.

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