Coast and sea

Inshore waters and strong winds

General situation

High pressure centred over Scandinavia will extend a ridge across much of the United Kingdom. Atlantic weather fronts will however encroach into northwestern waters.

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
Southerly or southeasterly 3 to 5, becoming variable 2 at times, except in far east.
Sea state
Mainly smooth in Moray Firth, otherwise slight or moderate.
Weather
Occasional rain later in north.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable becoming south, 3 or 4, then backing southeast 4 to 6.
Sea state
Slight or moderate, becoming rough later west and north of Orkney, but smooth until later in Moray Firth.
Weather
Occasional rain at times in north.
Visibility
Mainly good.

Rattray Head to Berwick upon Tweed (2)

24 hour forecast:

Wind
South or southeast 3 to 5, but becoming variable 2 at times in St Andrews Bay and Firth of Forth, veering southwest 3 later.
Sea state
Smooth or slight, occasionally moderate for a time in north.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southwest becoming variable, 3 or 4, then southeast 3 to 5.
Sea state
Smooth or slight, occasionally moderate later in north.
Weather
Fair.
Visibility
Good.

Berwick upon Tweed to Whitby (3)

24 hour forecast:

Wind
Variable, mainly southeast, 3 or 4.
Sea state
Slight, occasionally smooth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming south or southeast, 3 to 5.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
Variable 3 or less, becoming east or southeast 3 or 4 for a time.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming east or northeast 3 or 4 for a time.
Sea state
Smooth, occasionally slight.
Weather
Fair.
Visibility
Good.

Gibraltar Point to North Foreland (5)

24 hour forecast:

Wind
Northeasterly 3 or 4, occasionally 5 near North Foreland.
Sea state
Slight, occasionally smooth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northerly or northeasterly 3 or 4, occasionally 5 until later near North Foreland.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

North Foreland to Selsey Bill (6)

24 hour forecast:

Wind
Northeasterly 4 or 5, becoming variable 3 for a time in west.
Sea state
Slight, occasionally smooth in west.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northeasterly 3 to 5, becoming variable 3 for a time in west, then backing northerly 3 or 4 later.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Selsey Bill to Lyme Regis (7)

24 hour forecast:

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

Outlook for the following 24 hours:

Wind
Northeast 3 or 4 becoming variable 3 or less.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

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

24 hour forecast:

Wind
Easterly or northeasterly becoming variable, 3 or 4.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 2 to 4.
Sea state
Smooth or slight, becoming moderate later west of Lands End.
Weather
Fair.
Visibility
Good.

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

24 hour forecast:

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

Outlook for the following 24 hours:

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

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

24 hour forecast:

Wind
Variable 3 or less, increasing 4 at times.
Sea state
Smooth, occasionally slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable, becoming mainly south later, 3 or less, increasing 4 at times.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
Southeast becoming variable, 3 or 4, occasionally 2 later.
Sea state
Mainly smooth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 2 to 4, becoming southeast 3 to 5 later.
Sea state
Smooth, occasionally slight later in west.
Weather
Fair.
Visibility
Good.

Isle of Man (12)

24 hour forecast:

Wind
Variable, mainly south, 3 or less.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming south 3 or 4 later.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Lough Foyle to Carlingford Lough (13)

24 hour forecast:

Wind
South or southeast 3 or 4, increasing 5 at times.
Sea state
Smooth or slight, occasionally moderate later in far northwest.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
South or southeast, 3 to 5, increasing 6 at times.
Sea state
Slight or moderate in north, smooth or slight in east.
Weather
Occasional rain later.
Visibility
Mainly good.

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

24 hour forecast:

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

Outlook for the following 24 hours:

Wind
Southerly or southeasterly, 3 to 5, occasionally 6 for a time in North Channel.
Sea state
Smooth or slight, becoming moderate near Mull of Kintyre.
Weather
Occasional rain later.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
South or southeast 3 to 5, occasionally 6 until for a time near Tiree.
Sea state
Slight or moderate, becoming rough near Coll and Tiree.
Weather
Mainly fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
South or southeast, 4 or 5, increasing 6 or 7 later.
Sea state
Moderate or rough.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest, 4 or 5, occasionally 6 for a time.
Sea state
Slight or moderate, occasionally rough for a time in far south.
Weather
Occasional rain for a time.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
South 4 or 5, increasing 6 or 7 later.
Sea state
Slight or moderate, becoming rough later in far south.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
South or southwest 4 to 6, occasionally 7 for a time.
Sea state
Moderate or rough, occasionally very rough for a time west of the Outer Hebrides.
Weather
Occasional rain for a time.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
South 4 to 6, increasing 7 later.
Sea state
Moderate or rough, becoming very rough later west of the Outer Hebrides.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
South 4 to 6, occasionally 3 later.
Sea state
Moderate or rough, occasionally slight at first.
Weather
Fair.
Visibility
Good.

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

Strong wind warning

Valid Friday 16 Apr 2021 at 0600 UTC until Friday 16 Apr 2021 at 1800 UTC

General situation

Southerly flow covers Shetland Waters.

Forecast

Wind
South 4 to 6
Sea state
Slight or moderate, becoming rough later in northwest
Weather
Fair
Visibility
Good

Outlook for 12 Hours from 1800 UTC on Friday 16 Apr until 0600 UTC on Saturday 17 Apr

Wind
South 3 to 5
Sea state
Moderate or rough
Weather
Fair
Visibility
Good

Channel Islands (19)

24 hour forecast:

Wind
Northeasterly 3 to 4, locally 5 at times today.
Sea state
Slight, locally smooth.
Weather
Risk of mist patches near Normandy coast around dawn, isolated showers, dying out early afternoon.
Visibility
Good or very good, perhaps locally moderate or poor this morning.

Outlook for the following 24 hours:

Wind
Northeasterly 2 to 4, veering east to southeast 1 to 3 overnight.
Sea state
Smooth or slight.
Weather
Risk of mist patches near Normandy coast around dawn.
Visibility
Good or very good, perhaps locally poor at first.

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.

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.