Coast and sea

Inshore waters and strong winds

General situation

A deep Atlantic low arrives in the Southwest Approaches later today, sweeping several frontal bands of rain across the United Kingdom and bringing strong winds to most of the western coastal waters. This low will be slow-moving Tuesday into Wednesday, while gradually filling.

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
Easterly or southeasterly 3 to 5.
Sea state
Slight or moderate, occasionally smooth in Moray Firth.
Weather
Showers, fog patches.
Visibility
Good, occasionally very poor.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 3 to 5, occasionally 2 later in west.
Sea state
Slight or moderate, occasionally smooth in Moray Firth.
Weather
Showers, fog patches later.
Visibility
Moderate or good, occasionally very poor later.

Rattray Head to Berwick upon Tweed (2)

24 hour forecast:

Wind
Easterly or southeasterly 2 to 4, occasionally 5 at first and later in south.
Sea state
Slight or moderate, occasionally smooth in firths of Forth and Tay.
Weather
Mainly fair, but fog patches in north, then occasional rain later.
Visibility
Moderate or good, occasionally very poor in north and poor later elsewhere.

Outlook for the following 24 hours:

Wind
East or southeast becoming variable later, 2 to 4, occasionally 5 at first.
Sea state
Slight or moderate, occasionally smooth in firths of Forth and Tay.
Weather
Rain at times, fog patches later.
Visibility
Moderate or good, occasionally poor at first and very poor later.

Berwick upon Tweed to Whitby (3)

24 hour forecast:

Wind
East or southeast 3 to 5.
Sea state
Slight or moderate.
Weather
Mainly fair, occasional rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
East or southeast 3 to 5, becoming variable 3 or less later.
Sea state
Slight or moderate.
Weather
Rain at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Whitby to Gibraltar Point (4)

24 hour forecast:

Wind
Southeasterly 3 to 5.
Sea state
Slight, occasionally moderate in north.
Weather
Mainly fair, occasional rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Southerly or southeasterly veering easterly or northeasterly later, 2 to 4, occasionally 5 at first in north.
Sea state
Slight, occasionally moderate in north.
Weather
Rain at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Gibraltar Point to North Foreland (5)

24 hour forecast:

Wind
Southerly or southeasterly 2 to 4, occasionally 5 in north.
Sea state
Smooth or slight.
Weather
Occasional rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Southerly or southeasterly becoming variable later, 2 to 4.
Sea state
Smooth or slight.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

North Foreland to Selsey Bill (6)

24 hour forecast:

Wind
Variable 3 or less at first in east, otherwise southerly or southeasterly 3 or 4, occasionally 5 in far west.
Sea state
Smooth or slight, occasionally moderate later in west.
Weather
Mainly fair, then rain later.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Southerly or southeasterly becoming variable later, 2 to 4, occasionally 5 at first in far west.
Sea state
Smooth or slight, occasionally moderate in west.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
South or southeast 4 to 6, occasionally 3 near shore.
Sea state
Slight or moderate, occasionally rough later in far south.
Weather
Rain, showers later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southeast 3 to 5.
Sea state
Slight or moderate, occasionally rough at first in far south.
Weather
Showers.
Visibility
Good, occasionally moderate.

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

Strong winds are forecast

24 hour forecast:

Wind
South or southeast, backing southwest for a time at first, 4 to 6.
Sea state
Moderate or rough, occasionally very rough in far west and slight in lyme bay.
Weather
Rain then showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
South or southeast 3 to 5, occasionally 6 at first.
Sea state
Moderate or rough, becoming slight or moderate later in east.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
Southeasterly 4 to 6, occasionally 7 at first in north, backing southwesterly 3 to 5 for a time at first.
Sea state
Moderate or rough in west, but slight or moderate in east, occasionally smooth in the Bristol Channel.
Weather
Rain, then showers, perhaps thundery later.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 3 to 5.
Sea state
Slight or moderate, occasionally smooth in the Bristol Channel and rough near Land's End.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

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

Strong winds are forecast

24 hour forecast:

Wind
Southeasterly 4 to 6, occasionally 7 at first in south, becoming variable 2 to 4, then easterly 4 to 6 later in south.
Sea state
Slight or moderate, occasionally rough near St David's Head and smooth in Cardigan Bay and to the north and east of Anglesey.
Weather
Rain, then showers later, perhaps thundery.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 2 to 4, occasionally 5 at first in south.
Sea state
Slight or moderate, becoming smooth or slight except near St David's Head.
Weather
Showers, perhaps thundery at first.
Visibility
Good, occasionally poor at first.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
Easterly or southeasterly 4 or 5, occasionally 6 at first in west, decreasing 2 to 4 later.
Sea state
Smooth or slight, becoming slight or moderate for a time.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Easterly or southeasterly 2 to 4.
Sea state
Smooth or slight.
Weather
Showers, becoming fair for a time.
Visibility
Good, occasionally poor at first.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
East or southeast, 4 or 5, occasionally 6 at first, decreasing 3 or 4 later.
Sea state
Slight, soon becoming slight or moderate for as time.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
East or southeast, 3 or 4.
Sea state
Slight.
Weather
Rain at first, then mainly fair.
Visibility
Good, occasionally moderate or poor at first.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
East or southeast 3 to 5, occasionally 6 at first and 2 later.
Sea state
Slight or moderate, becoming smooth or slight later.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
East or southeast 2 to 4.
Sea state
Smooth or slight.
Weather
Occasional rain, then fair, showers later.
Visibility
Good, occasionally poor 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
Easterly or southeasterly 3 to 5, occasionally 6 at first in the North Channel, becoming variable 3 or less later.
Sea state
Smooth or slight, occasionally moderate in North Channel.
Weather
Mainly fair, then rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable, becoming easterly for a time, 2 to 4.
Sea state
Smooth or slight.
Weather
Occasional rain, then fair, showers later.
Visibility
Good, occasionally poor at first.

Mull of Kintyre to Ardnamurchan Point (15)

24 hour forecast:

Wind
Easterly or northeasterly becoming variable later, 2 to 4, occasionally 5 in south and far west.
Sea state
Slight or moderate, occasionally smooth later in sheltered east.
Weather
Showers, then occasional rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Variable, mainly easterly, 2 to 4.
Sea state
Slight or moderate, occasionally smooth in sheltered east.
Weather
Occasional rain, then fair, showers later in south.
Visibility
Good, occasionally poor at first.

The Minch (16)

24 hour forecast:

Wind
North or northeast 3 to 5, occasionally 2 at first.
Sea state
Smooth or slight.
Weather
Showers, then occasional rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Northeast 3 to 5, becoming variable 2 to 4.
Sea state
Smooth or slight.
Weather
Occasional rain, then mainly fair later.
Visibility
Moderate or good, occasionally poor at first.

Ardnamurchan Point to Cape Wrath (17)

24 hour forecast:

Wind
North or northeast 3 to 5, occasionally 2 at first.
Sea state
Slight or moderate.
Weather
Showers, then occasional rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours:

Wind
Northeast 3 to 5, becoming variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional rain, then mainly fair later.
Visibility
Moderate or good, occasionally poor at first.

Shetland Isles (18)

Strong winds are forecast

24 hour forecast:

Wind
South or southeast 4 to 6.
Sea state
Moderate or rough.
Weather
Showers, fog patches.
Visibility
Good, occasionally very poor.

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

Strong wind warning

Valid Monday 13 May 2024 at 1200 UTC until Tuesday 14 May 2024 at 0000 UTC

General situation

A southeasterly flow will persist across Shetland Waters. Atlantic trough will bring showers to area during the day

Forecast

Wind
Southeast 4 to 6
Sea state
Moderate or rough
Weather
Showers. Fog patches
Visibility
Good, occasionally poor or very poor

Outlook for 12 Hours from 0000 UTC on Tuesday 14 May until 1200 UTC on Tuesday 14 May

Wind
Southeast 4 to 6
Sea state
Moderate or rough
Weather
Drizzle. Fog patches
Visibility
Good, occasionally poor or very poor

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
South to southeast 4 to 6, decreasing 3 to 5 for a time this evening.
Sea state
Perhaps rather rough mid-channel at first, otherwise slight to moderate, with a low swell, increasing low to moderate later.
Weather
Rain and drizzle with mist patches, clearing eastwards by midnight isolated showers from dawn, mainly near the french coast.
Visibility
Moderate to good, occasionally poor.

Outlook for the following 24 hours:

Wind
South to southeast 4 to 5, locally 6 at times.
Sea state
Slight to moderate, with a low to moderate swell.
Weather
Isolated showers or thunderstorms, mainly near the french coast.
Visibility
Good, locally moderate to poor near the french coast.

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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