Coast and sea

Inshore waters and strong winds

General situation

High pressure centred to the west of the United Kingdom will bring mostly settled conditions to western and northern areas during the next couple of days. However a northerly airflow will bring patchy rain or showers to parts of eastern England, and initially also to southern England.

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
Northerly or northwesterly 4 or 5, occasionally 6 near Aberdeenshire and 3 in west.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwest 3 to 5, becoming variable 2 for a time at first in Moray Firth, veering north or northeast later.
Sea state
Slight or moderate.
Weather
Showers later.
Visibility
Good.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
Northerly or northwesterly 4 or 5, occasionally 6 in north, becoming variable 2 to 4 for a time in south.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northerly or northwesterly 4 or 5, becoming variable 2 to 4 for a time except in far north.
Sea state
Slight or moderate.
Weather
Showers later.
Visibility
Good.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
North 4 or 5, increasing 6 at times.
Sea state
Moderate, occasionally rough later.
Weather
Showers then fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North 4 or 5, occasionally 6 at first, becoming variable 3 or less, then cyclonic 4 or 5 later.
Sea state
Moderate or rough, becoming moderate.
Weather
Showers later.
Visibility
Good.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
Southwesterly 3 or 4 at first in far south, otherwise northerly 5 or 6.
Sea state
Slight at first in south, otherwise moderate, but occasionally rough later in north.
Weather
Rain at times, then showers.
Visibility
Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind
North 5 or 6 backing northwest 2 to 4, then west or southwest 4 to 6 later.
Sea state
Moderate or rough, becoming moderate.
Weather
Showers then mainly fair.
Visibility
Good.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4 becoming northerly or northwesterly 4 to 6.
Sea state
Smooth or slight becoming slight or moderate.
Weather
Rain at times, then showers.
Visibility
Good, occasionally poor at first.

Outlook for the following 24 hours:

Wind
Northerly or northwesterly, backing southwesterly later, 4 to 6.
Sea state
Slight or moderate, becoming rough for a time near northeastern Norfolk.
Weather
Showers, becoming fair later.
Visibility
Good.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Northerly or northeasterly, becoming variable for a time at first, 2 to 4, increasing 5 or 6 later in east.
Sea state
Smooth or slight, becoming moderate later near North Foreland.
Weather
Rain at times, then showers in far east.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Northerly or northwesterly 3 to 5, becoming variable 2 to 4 later, then becoming westerly 4 or 5 later.
Sea state
Moderate until later near North Foreland, otherwise smooth or slight.
Weather
Showers at first in far east.
Visibility
Good.

Selsey Bill to Lyme Regis (7)

24 hour forecast:

Wind
North becoming variable 2 to 4, becoming northeast 3 to 5 later, then backing northwest 2 to 4 later.
Sea state
Smooth or slight.
Weather
Occasional rain then fair.
Visibility
Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind
Northwest 2 to 4 becoming variable 3 or less, then west 3 or 4 later.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

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

24 hour forecast:

Wind
Northeasterly backing northwesterly, but becoming variable in east, 2 to 4, increasing 5 for a time in west.
Sea state
Smooth or slight in east, slight or moderate in west.
Weather
Occasional rain then fair.
Visibility
Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind
Mainly variable, but becoming northwesterly at times in west, 2 to 4.
Sea state
Smooth or slight in east, slight throughout in west.
Weather
Fair.
Visibility
Good.

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

24 hour forecast:

Wind
Variable 2 to 4 becoming north or northwest 3 to 5.
Sea state
Slight or moderate in west, smooth or slight in east.
Weather
Occasional rain then fair.
Visibility
Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind
North or northwest 2 to 4, backing west or northwest 3 to 5 for a time.
Sea state
Slight, occasionally smooth at first in east.
Weather
Fair.
Visibility
Good.

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

24 hour forecast:

Wind
North or northeast 3 to 5, backing north or northwest 2 to 4 later.
Sea state
Slight or moderate becoming smooth or slight.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 2 to 4, becoming variable 3 or less for a time.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
Northeast, backing northwest for a time, 3 to 5.
Sea state
Smooth or slight, occasionally moderate at first in south.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northeast 2 to 4 backing northwest 3 to 5.
Sea state
Smooth or slight, becoming slight or moderate later.
Weather
Mainly fair.
Visibility
Good.

Isle of Man (12)

24 hour forecast:

Wind
Northeast 4 or 5 becoming variable 3 or less, then north or northwest 3 to 5 later.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northeast 3 or 4 becoming variable 3 or less, then northwest 4 or 5 later.
Sea state
Slight, occasionally moderate later.
Weather
Fair.
Visibility
Good.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
Variable mainly north 2 to 4 backing northwest 4 to 6, becoming cyclonic 3 to 5 later.
Sea state
Smooth or slight until later except in far north, otherwise slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Cyclonic becoming variable 2 to 4, then becoming northwesterly 4 or 5, occasionally 6 in North Channel.
Sea state
Smooth or slight, occasionally moderate in North Channel.
Weather
Showers later.
Visibility
Good, occasionally moderate later.

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

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic 2 to 4 becoming northwesterly 4 or 5, occasionally 6 in North Channel, veering northeasterly 3 or 4 later.
Sea state
Smooth or slight, becoming slight or moderate in North Channel.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northeasterly becoming variable 2 to 4, then becoming northwesterly 4 or 5, occasionally 6 in North Channel.
Sea state
Smooth or slight, occasionally moderate in North Channel.
Weather
Showers later.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

24 hour forecast:

Wind
North or northwest 3 to 5, becoming variable 2 at times close inshore.
Sea state
Slight or moderate, but smooth in shelter.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 3 to 5.
Sea state
Slight or moderate becoming smooth or slight.
Weather
Showers later.
Visibility
Good.

The Minch (16)

24 hour forecast:

Wind
North 3 to 5.
Sea state
Slight or moderate in far north, but elsewhere smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North 2 to 4 backing northwest 3 to 5, then veering north or northeast later.
Sea state
Smooth or slight, becoming moderate in far north.
Weather
Showers later.
Visibility
Good.

Ardnamurchan Point to Cape Wrath (17)

24 hour forecast:

Wind
North 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North 2 to 4 backing northwest 3 to 5, then veering north or northeast later.
Sea state
Slight or moderate, becoming smooth or slight for a time between Barra and Canna.
Weather
Showers later.
Visibility
Good.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
North 4 to 6.
Sea state
Moderate.
Weather
Fair.
Visibility
Good.

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

Valid Tuesday 23 Apr 2024 at 0600 UTC until Tuesday 23 Apr 2024 at 1800 UTC

General situation

Ridge to west and low pressure across Scandinavia maintaining a northerly flow.

Forecast

Wind
North 4 to 6
Sea state
Moderate, occasionally rough later in far east
Weather
Fair
Visibility
Good

Outlook for 12 Hours from 1800 UTC on Tuesday 23 Apr until 0600 UTC on Wednesday 24 Apr

Wind
North 4 to 6
Sea state
Moderate, occasionally rough in far east
Weather
Fair
Visibility
Good

Channel Islands (19)

24 hour forecast:

Wind
Variable 1 to 3, becoming generally north 2 to 4 by midday, backing northwest during the afternoon, veering northeast after midnight, then becoming variable 1 to 3 later.
Sea state
Smooth or slight.
Weather
Rain and drizzle at times from mid-afternoon, dying out during the evening.
Visibility
Good, occasionally moderate, perhaps locally poor.

Outlook for the following 24 hours:

Wind
Variable 1 to 3, becoming west or southwest 2 to 4 later.
Sea state
Smooth or slight.
Weather
Risk of isolated showers, mainly at first.
Visibility
Good, 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.

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.