Coast and sea

Inshore waters and strong winds

General situation

High pressure centred over northern and eastern parts of the United Kingdom will maintain settled conditions across the inshore waters areas during the next couple of days.

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
Variable, mainly east or southeast 2 to 4, occasionally 5 later near Cape Wrath.
Sea state
Slight or moderate to the north and west of Orkney, otherwise smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 2 to 4 near Orkney, otherwise east veering southeast, 3 or 4, occasionally 5 at first, becoming variable 2 or 3 later.
Sea state
Smooth or slight, occasionally moderate at first in north.
Weather
Fair.
Visibility
Good.

Rattray Head to Berwick upon Tweed (2)

24 hour forecast:

Wind
Variable 3 or less, becoming mainly east or northeast 2 to 4.
Sea state
Mainly slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
East or southeast 2 to 4, becoming variable 3 or less.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Berwick upon Tweed to Whitby (3)

24 hour forecast:

Wind
Variable, mainly northeast 2 to 4, becoming east 3 or 4 later.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
East 3 or 4, becoming variable 3 or less later, then becoming northeast 2 to 4 later.
Sea state
Slight.
Weather
Fair.
Visibility
Good, occasionally moderate.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
Southeasterly 3 or 4, becoming variable 3 or less, then becoming easterly 3 or 4 later.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly backing northeasterly 3 or 4, occasionally 5 at first in south.
Sea state
Slight.
Weather
Fair.
Visibility
Good, occasionally moderate.

Gibraltar Point to North Foreland (5)

24 hour forecast:

Wind
Easterly or northeasterly 3 or 4, becoming variable 2 or 3 at times in north.
Sea state
Slight, occasionally smooth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or northeasterly 3 to 5, occasionally 6 near North Foreland.
Sea state
Slight, becoming slight or moderate.
Weather
Showers later.
Visibility
Good.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Easterly or northeasterly 4 or 5, increasing 6 at times.
Sea state
Slight, occasionally moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or northeasterly 5 or 6, occasionally 4 at first in east.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
East 4 to 6.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
East or northeast 5 or 6.
Sea state
Moderate, occasionally rough later in far south.
Weather
Fair.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
Easterly 5 or 6, increasing 7 at times in west.
Sea state
Moderate, occasionally rough later west of the Lizard peninsula.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly 5 or 6, increasing 7 at times in west and offshore.
Sea state
Moderate or rough.
Weather
Fair.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
East or southeast 4 to 6, increasing 7 at times near Lands End.
Sea state
Slight, occasionally moderate in south and west, becoming rough at times later near Lands End.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
East 4 to 6, occasionally 7 near Lands End.
Sea state
Slight or moderate, occasionally rough in far southwest.
Weather
Fair.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
Easterly 3 to 5, occasionally 6 near St Davids Head, becoming variable 2 to 4 at times in north.
Sea state
Smooth or slight, occasionally moderate near st david's head.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or northeasterly 3 to 5.
Sea state
Smooth or slight, occasionally moderate near st david's head and later in west.
Weather
Fair.
Visibility
Good.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
Easterly or southeasterly 3 or 4, becoming variable 2 or 3 at times near shore, increasing 5 at times later in north.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or northeasterly, veering southeasterly for a time, 3 to 5.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Isle of Man (12)

24 hour forecast:

Wind
Easterly or southeasterly 3 or 4, occasionally 5 later in north.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly, backing northeasterly for a time, 3 or 4.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

Lough Foyle to Carlingford Lough (13)

24 hour forecast:

Wind
Easterly or southeasterly 3 to 5.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 3 to 5, becoming variable 2 to 4 at times in North Channel.
Sea state
Smooth or slight.
Weather
Fair.
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 easterly or northeasterly 3 to 5, occasionally 6 in north.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 2 to 4, becoming easterly or northeasterly 3 to 5 for a time.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

24 hour forecast:

Wind
Variable, becoming easterly or southeasterly, 2 to 4, occasionally 5 later.
Sea state
Smooth or slight, becoming slight or moderate in west.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly, becoming variable at times, 2 to 4, occasionally 5 at first in south.
Sea state
Slight or moderate in west, otherwise smooth or slight.
Weather
Fair.
Visibility
Good.

The Minch (16)

24 hour forecast:

Wind
Variable, mainly east, 2 to 4, becoming east 4 or 5 for a time.
Sea state
Smooth or slight, occasionally moderate in far north.
Weather
Mainly fair.
Visibility
Moderate or good.

Outlook for the following 24 hours:

Wind
Variable, mainly east or northeast, 2 to 4.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Ardnamurchan Point to Cape Wrath (17)

24 hour forecast:

Wind
Variable, mainly east, 2 to 4, becoming east 4 or 5 for a time.
Sea state
Good, occasionally moderate at first.
Weather
Mainly fair.
Visibility
Moderate or good.

Outlook for the following 24 hours:

Wind
Variable, mainly east or northeast, 2 to 4.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Shetland Isles (18)

24 hour forecast:

Wind
Variable, mainly north or northwest, 2 to 4.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

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

Valid Friday 23 Apr 2021 at 1200 UTC until Saturday 24 Apr 2021 at 0000 UTC

General situation

High pressure to the north and west of Shetland with a slightly unstable, generally northerly flow over Shetland waters.

Forecast

Wind
Variable, mainly north or northwest, 2 to 4
Sea state
Slight or moderate
Weather
Isolated showers
Visibility
Good

Outlook for 12 Hours from 0000 UTC on Saturday 24 Apr until 1200 UTC on Saturday 24 Apr

Wind
Variable, mainly north or northeast, 2 to 4
Sea state
Slight or moderate
Weather
Isolated showers
Visibility
Good

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
Easterly 4 to 6, with occasional gusts to 35kt, perhaps occasionally 3 in the far southeast of the area.
Sea state
Slight to moderate, occasionally rather rough mid-channel.
Weather
Fine.
Visibility
Good.

Outlook for the following 24 hours:

Wind
East to northeast 4 to 6, increasing 5 to 7, perhaps with gusts to 40kt.
Sea state
Slight in the far southeast otherwise moderate to rather rough, increasing rough in the far northwest by evening.
Weather
Fair or fine.
Visibility
Good, perhaps occasionally moderate.

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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