Coast and Sea

Inshore waters and strong winds


General situation

The United Kingdom currently lies in a showery northwesterly airflow. However winds will weaken and back generally westerly, as an Atlantic frontal system moves eastwards through Saturday. This will bring outbreaks of rain, followed by further rain or showers on Sunday.

Issued at: .

For coastal areas up to 12 miles offshore for the period 00:00 (UTC) on Sat 16 May 2026 to 00:00 (UTC) on Sun 17 May 2026

Inshore waters and strong winds map


Cape Wrath to Rattray Head including Orkney (1)

Strong winds are forecast

24 hour forecast:

Wind
Northwesterly 4 or 5, occasionally 6 at first in east, becoming variable 2 to 4.
Sea state
Moderate or rough, becoming slight or moderate in Moray Firth and later elsewhere.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable, becoming south or southwest later, 2 to 4, occasionally 5 later near Rattray Head.
Sea state
Smooth or slight in Moray Firth, elsewhere slight or moderate, occasionally rough later west of Orkney.
Weather
Rain or showers, fair later.
Visibility
Good, occasionally moderate at first.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
Northwest 3 to 5, occasionally 6 at first near Rattray Head, becoming variable 2 to 4, becoming south or southwest 3 to 5 later.
Sea state
Rough at first near Rattray Head, otherwise slight or moderate.
Weather
Showers at first in north and later in south.
Visibility
Good.

Outlook for the following 24 hours:

Wind
South or southwest 3 or 4, increasing 5 at times.
Sea state
Moderate at first near Rattray Head, otherwise slight.
Weather
Rain or showers, fair later.
Visibility
Good, occasionally moderate.

Berwick upon Tweed to Whitby (3)

24 hour forecast:

Wind
West or northwest 3 to 5, becoming variable 2 to 4, then becoming south or southwest 3 to 5 later.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours:

Wind
West or southwest 3 or 4, increasing 5 at times.
Sea state
Moderate, becoming slight.
Weather
Rain or showers, fair later.
Visibility
Good, occasionally moderate.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
West becoming variable, then south or southwest later, 2 to 4.
Sea state
Rough at first in north, otherwise moderate, occasionally slight in south.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
West or southwest 2 to 4.
Sea state
Moderate at first in north, otherwise slight.
Weather
Rain then showers, perhaps thundery.
Visibility
Good, occasionally poor.

Gibraltar Point to North Foreland (5)

24 hour forecast:

Wind
Variable 2 to 4, becoming westerly or northwesterly, then becoming southwesterly later, 3 to 5.
Sea state
Smooth in the Thames estuary, otherwise slight, occasionally moderate.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Westerly or southwesterly, 3 to 5, becoming variable 2 to 4 later.
Sea state
Smooth or slight.
Weather
Rain then showers, perhaps thundery.
Visibility
Good, occasionally poor.

North Foreland to Selsey Bill (6)

24 hour forecast:

Wind
Variable becoming westerly or southwesterly, 2 to 4, increasing 5 at times later.
Sea state
Smooth or slight, becoming slight or moderate later.
Weather
Showers, rain later.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Westerly veering northwesterly for a time, 3 to 5.
Sea state
Slight or moderate.
Weather
Rain then showers, perhaps thundery.
Visibility
Good, occasionally poor.

Selsey Bill to Lyme Regis (7)

24 hour forecast:

Wind
Northwest 3 or 4, backing west or southwest 3 to 5.
Sea state
Smooth or slight, occasionally moderate later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
West veering northwest for a time, 3 to 5.
Sea state
Slight, occasionally moderate.
Weather
Showers.
Visibility
Good.

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

24 hour forecast:

Wind
West or northwest, backing southwest for a time, 3 or 4, increasing 5 at times later.
Sea state
Smooth or slight in east, slight or moderate in west.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
West or northwest, backing southwest later, 3 to 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally rough near the Isles of Scilly.
Weather
Showers.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
West or northwest, becoming variable, 2 to 4, then becoming northwest 4 to 6 later.
Sea state
Slight, occasionally smooth in east and moderate in west.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Northwest backing west or southwest, 4 or 5, increasing 6 at times later.
Sea state
Slight or moderate, occasionally rough in southwest.
Weather
Showers.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
West 2 or 3, backing southwest 3 or 4, then veering west 4 to 6 later.
Sea state
Smooth or slight, occasionally moderate later in south.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
West or southwest 4 to 6.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
Northwest backing south or southwest, 2 to 4, then veering west 4 or 5 later.
Sea state
Slight, becoming smooth at times.
Weather
Showers, rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
West backing southwest, 4 or 5, occasionally 6 at first.
Sea state
Slight or moderate.
Weather
Rain or showers later, perhaps thundery.
Visibility
Good, occasionally poor later.

Isle of Man (12)

24 hour forecast:

Wind
West or northwest, backing south or southwest, 2 to 4, veering west 4 or 5 later.
Sea state
Slight.
Weather
Fair, rain or drizzle later.
Visibility
Good, occasionally moderate or poor later.

Outlook for the following 24 hours:

Wind
West or southwest 4 to 6.
Sea state
Slight or moderate.
Weather
Fair, showers later.
Visibility
Good, occasionally moderate later.

Lough Foyle to Carlingford Lough (13)

24 hour forecast:

Wind
Northwest 3 or 4, becoming variable 3 or less, then southeast 3 or 4 later, then veering west 4 or 5 later.
Sea state
Smooth or slight, occasionally moderate in far north.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Westerly or southwesterly, 3 to 5, occasionally 6 in at first in south, then becoming variable 3 or less later in north.
Sea state
Smooth or slight, but occasionally moderate in north and far south.
Weather
Occasional rain or showers, perhaps thundery later.
Visibility
Good, occasionally poor.

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

24 hour forecast:

Wind
Northwesterly 3 or 4, becoming variable 3 or less, then becoming southerly 3 or 4 later, then veering westerly 4 or 5 later.
Sea state
Smooth or slight.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Westerly or southwesterly, 3 to 5, becoming variable 3 or less later.
Sea state
Smooth or slight, becoming moderate near the Mull of Kintyre and occasionally moderate later in the North Channel.
Weather
Occasional rain or showers, perhaps thundery later.
Visibility
Good, occasionally poor.

Mull of Kintyre to Ardnamurchan Point (15)

24 hour forecast:

Wind
North or northwest 3 or 4, becoming variable 3 or less, then becoming south later, then veering west later, 3 to 5.
Sea state
Slight, occasionally smooth in east and moderate in west.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
West or northwest 3 or 4, occasionally 5 at first.
Sea state
Moderate, occasionally rough in west and slight in eastern shelter.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

The Minch (16)

24 hour forecast:

Wind
North 3 or 4, becoming variable 3 or less, occasionally 4 later.
Sea state
Smooth or slight, occasionally moderate in north.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable 2 to 4.
Sea state
Smooth or slight in central areas, otherwise moderate.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Ardnamurchan Point to Cape Wrath (17)

24 hour forecast:

Wind
North 3 or 4, becoming variable 3 or less, occasionally 4 later.
Sea state
Moderate, occasionally slight in south and rough at first in north.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable 2 to 4.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
North or northwest 5 or 6, decreasing 2 to 4, then becoming variable later.
Sea state
Rough becoming moderate, occasionally slight later.
Weather
Rain at times.
Visibility
Moderate or good.

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

Valid Saturday 16 May 2026 at 0000 UTC until Saturday 16 May 2026 at 1200 UTC

General situation

The strong northerly flow will eases across Shetland Waters during Saturday.

Forecast

Wind
North or northwest 4 or 5, occasionally 6 at first.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Outlook for 12 Hours from 1200 UTC on Saturday 16 May until 0000 UTC on Sunday 17 May

Wind
Cyclonic 3 to 5.
Sea state
Moderate, occasionally rough at first.
Weather
Showers.
Visibility
Moderate or good.

Channel Islands (19)

24 hour forecast:

Wind
Northwest 4 to 5, backing west to southwest 3 to 4 by mid-morning, veering west to northwest 4 to 5 from around dusk.
Sea state
Mainly slight, increasing slight to moderate after dusk.
Weather
Rain or showers spreading east by dawn.
Visibility
Good or very good, locally moderate at times.

Outlook for the following 24 hours:

Wind
West to northwest 4 to 5.
Sea state
Slight to moderate, with a low swell.
Weather
Isolated showers, clearing by midday Sunday patchy rain later.
Visibility
Good or very good, locally moderate oat times.

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.