Coast and sea

Inshore waters and strong winds

General situation

A westerly or southwesterly unstable flow will affect the coastal waters at first, with strong winds. Then occasional rain will move northeast across the British Isles on Thursday bringing further strong winds.

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
Southwest, backing southeast later, 4 to 6.
Sea state
Slight or moderate, but rough or very rough in northwest.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
Southeast 5 or 6, veering west or southwest 5 to 7.
Sea state
Slight or moderate, but rough in northwest, occasionally very rough at first.
Weather
Occasional rain, then showers.
Visibility
Good, occasionally moderate at first.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing southeast later, 4 to 6.
Sea state
Slight or moderate.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
Southeast, veering southwest, 4 to 6, occasionally 7 later.
Sea state
Slight or moderate.
Weather
Occasional rain, then showers.
Visibility
Good, occasionally moderate at first.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing southeast for a time later, 5 or 6.
Sea state
Slight or moderate.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
South or southwest, veering west later, 4 to 6.
Sea state
Slight occasionally moderate.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing south for a time later, 5 or 6.
Sea state
Slight or moderate.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
Southwest 5 to 7, veering west 4 or 5 later.
Sea state
Slight or moderate, becoming slight later.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly 5 to 7, backing southerly 4 or 5 for a time later.
Sea state
Slight or moderate.
Weather
Showers, thundery at first, rain later.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwesterly 5 to 7, veering westerly 4 or 5 later in north.
Sea state
Slight or moderate.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Westerly or southwesterly, 5 to 7, occasionally gale 8 at first.
Sea state
Moderate or rough, occasionally very rough at first in far south.
Weather
Showers, thundery at first, rain later.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwesterly 6 or 7.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest 5 to 7, occasionally gale 8 at first.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Squally showers, then occasional rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 6 or 7, occasionally 5 later.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
Westerly backing southwesterly 5 to 7, occasionally gale 8 at first.
Sea state
Rough or very rough, occasionally moderate in lyme bay and high at first in far west.
Weather
Squally showers, then occasional rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwesterly 6 or 7, occasionally gale 8 at first in west, becoming variable 2 to 4 later.
Sea state
Rough, but very rough at first in west, occasionally moderate in lyme bay.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
West backing southwest 5 to 7, occasionally gale 8 at first, and perhaps gale 8 later.
Sea state
Rough or very rough, occasionally high at first in southwest.
Weather
Squally showers, then occasional rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 6 to gale 8, becoming variable 2 to 4 later.
Sea state
Rough or very rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
West backing southwest, 5 to 7, occasionally gale 8 later.
Sea state
Moderate or rough, occasionally very rough in far southwest.
Weather
Squally showers, then occasional rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 6 to gale 8, veering northwest 4 or 5 later, then becoming variable 2 or 3.
Sea state
Rough or very rough, becoming moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest, backing southeast for a time later, 5 to 7, occasionally gale 8 later.
Sea state
Moderate, occasionally rough.
Weather
Squally showers, then occasional rain.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
Southwest 6 or 7, veering west 5 or 6, decreasing 3 or 4 later.
Sea state
Moderate or rough, becoming slight later.
Weather
Occasional rain, showers later.
Visibility
Good, occasionally moderate.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest, backing southeast for a time later, 5 to 7, occasionally gale 8 later.
Sea state
Moderate, occasionally rough.
Weather
Squally showers, then rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 6 to gale 8, veering west 5 or 6, decreasing 3 or 4 later.
Sea state
Moderate or rough, becoming mainly moderate.
Weather
Occasional rain, showers later.
Visibility
Good, occasionally poor.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly, backing southeasterly for a time, 5 to 7.
Sea state
Rough or very rough in far northwest, otherwise moderate, occasionally rough.
Weather
Squally showers, then rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southerly or southwesterly, veering westerly for a time, 4 to 6, occasionally 7 in south.
Sea state
Moderate or rough, becoming slight later in south and east.
Weather
Rain then showers.
Visibility
Good, occasionally moderate at first.

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

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly, backing southeasterly for a time later, 5 to 7.
Sea state
Moderate, occasionally slight in shelter, rough at times near Mull of Kintyre.
Weather
Squally showers, then rain.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southerly, veering westerly, 5 to 7, occasionally 4 later.
Sea state
Moderate, occasionally rough at first in North Channel, becoming mainly slight later.
Weather
Rain then showers.
Visibility
Good, occasionally moderate at first.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
West or southwest, backing southeast for a time later, 4 to 6, occasionally 7 at first.
Sea state
Very rough or high, becoming rough or very rough later.
Weather
Squally showers, rain later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southwest, veering west, 5 to 7, occasionally 4 later.
Sea state
Rough or very rough, occasionally moderate later.
Weather
Rain then showers.
Visibility
Moderate or good.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing south or southeast later, 4 to 6, increasing 7 for a time.
Sea state
Slight or moderate, but rough or very rough in far north and in southwest.
Weather
Squally showers, rain later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Cyclonic, becoming west or southwest, 5 to 7.
Sea state
Slight or moderate, occasionally rough in far north and in southwest.
Weather
Occasional rain, then showers.
Visibility
Moderate or good, occasionally poor at first.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
Southwest, backing south or southeast later, 4 to 6, increasing 7 for a time.
Sea state
Very rough or high, becoming rough or very rough later.
Weather
Squally showers, rain later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Cyclonic, becoming west or southwest, 5 to 7.
Sea state
Rough or very rough.
Weather
Occasional rain, then showers.
Visibility
Moderate or good, occasionally poor at first.

Shetland Isles (18)

24 hour forecast:

Wind
Variable 2 to 4, becoming southwest 3 or 4, backing southeast 4 or 5 later.
Sea state
Rough or very rough, occasionally moderate in east.
Weather
Showers.
Visibility
Mainly good.

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

Valid Wednesday 28 Oct 2020 at 1800 UTC until Thursday 29 Oct 2020 at 0600 UTC

General situation

A slack flow will cover Shetland and surrounding waters for much of the time.

Forecast

Wind
Variable 2 to 4
Sea state
Rough or very rough, but mainly moderate east of shetland
Weather
Showers
Visibility
Mainly good

Outlook for 12 Hours from 0600 UTC on Thursday 29 Oct until 1800 UTC on Thursday 29 Oct

Wind
Variable 2 to 4 becoming southeast 4 or 5
Sea state
Rough or very rough, but mainly moderate east of shetland
Weather
Occasional showers
Visibility
Mainly good

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
Southwest to west 6 to 7, occasionally gale 8 with gusts to 50kt, decreasing 5 to 7 overnight, then southwesterly by dawn, locally 4 in the south of the area.
Sea state
Rough to very rough, occasionally high in the west this evening, decreasing rather rough to rough in the morning.
Weather
Showers, locally heavy at first becoming isolated overnight then dying out occasional rain or drizzle and mist patches from around dawn.
Visibility
Moderate to good, occasionally poor.

Outlook for the following 24 hours:

Wind
Southwest 5 to 7, locally 4 in the south of the area.
Sea state
Rather rough to rough, locally moderate with a low swell in the south of the area by Friday evening.
Weather
Mist patches with a little rain and drizzle at times, especially overnight.
Visibility
Moderate to good, occasionally poor.

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.

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