Coast and sea

Inshore waters and strong winds

General situation

A ridge of high pressure will drift east across the British Isles over the next 24 hours, before Atlantic fronts push into western areas later on Tuesday and on Wednesday.

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
Northwest 3 to 5, becoming variable, then southeast 2 to 4 later.
Sea state
Moderate, occasionally rough at first north and west of Orkney, otherwise smooth or slight.
Weather
Showers at first.
Visibility
Good, occasionally moderate at first.

Outlook for the following 24 hours:

Wind
Southeast 2 to 4, increasing 5 or 6 later.
Sea state
Smooth at first in Moray Firth, otherwise slight or moderate, then becoming rough or very rough later north and west of Orkney.
Weather
Fair.
Visibility
Good.

Rattray Head to Berwick upon Tweed (2)

24 hour forecast:

Wind
Northwest 4 or 5, becoming variable 3 or less later.
Sea state
Smooth or slight, occasionally moderate offshore.
Weather
Showers at first.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming south or southeast 4 to 6.
Sea state
Smooth or slight, becoming moderate later.
Weather
Fair.
Visibility
Good.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
Northwest 4 or 5, occasionally 6 at first, backing west 3 or 4 later.
Sea state
Mainly moderate.
Weather
Showers until later.
Visibility
Good.

Outlook for the following 24 hours:

Wind
West backing south, 3 or 4, increasing 5 or 6 later.
Sea state
Mainly moderate.
Weather
Mainly fair.
Visibility
Good, occasionally poor later.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
North 5 or 6, backing northwest 3 or 4.
Sea state
Moderate.
Weather
Showers until later.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwest backing south, 3 or 4, occasionally 5 later.
Sea state
Moderate, occasionally slight for a time.
Weather
Mainly fair.
Visibility
Good, occasionally poor later.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Northerly 5 to 7, backing northwesterly 4 or 5.
Sea state
Moderate, occasionally rough until later offshore, becoming slight later in Thames Estuary.
Weather
Occasional rain or showers until later, mainly in east.
Visibility
Good, occasionally moderate in east.

Outlook for the following 24 hours:

Wind
Northwesterly backing southerly, 4 or 5, decreasing 3 for a time.
Sea state
Slight, occasionally moderate at first near Norfolk.
Weather
Fair.
Visibility
Good.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Northerly 5 or 6, occasionally 7 in east, becoming variable 3 or 4 later.
Sea state
Moderate until later in east, otherwise smooth or slight.
Weather
Showers until later in east.
Visibility
Good, occasionally moderate until later in east.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming southeasterly 4 or 5 later.
Sea state
Smooth or slight, becoming moderate later.
Weather
Fog patches at first.
Visibility
Good, occasionally very poor at first.

Selsey Bill to Lyme Regis (7)

24 hour forecast:

Wind
North 4 or 5, becoming variable 2 to 4 later.
Sea state
Smooth or slight.
Weather
Mainly fair.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Variable 2 to 4, becoming south or southeast, 4 or 5.
Sea state
Smooth becoming moderate, occasionally rough later in west.
Weather
Fog patches at first.
Visibility
Good, occasionally very poor at first.

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

Strong winds are forecast

24 hour forecast:

Wind
Northeast 3 to 5, becoming variable 3 or less, then south 4 to 6 later.
Sea state
Slight or moderate, becoming smooth for a time east of Falmouth.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
South or southeast 4 to 6, occasionally 7 later.
Sea state
Slight or moderate, becoming rough, then very rough later west of Lands End.
Weather
Rain later.
Visibility
Good, occasionally moderate later.

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

Strong winds are forecast

24 hour forecast:

Wind
Northeast becoming variable, 3 or 4, then southeast 4 to 6 later.
Sea state
Mainly smooth in Bristol Channel, otherwise slight or moderate.
Weather
Fair.
Visibility
Good, occasionally poor later in Bristol Channel.

Outlook for the following 24 hours:

Wind
South or southeast 4 to 6, occasionally 7 later.
Sea state
Mainly smooth at first in Bristol Channel, otherwise slight or moderate, becoming rough later west of lundy island.
Weather
Rain later.
Visibility
Good, occasionally moderate later.

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

Strong winds are forecast

24 hour forecast:

Wind
Northeast becoming variable, 3 or 4, then southeast 5 or 6 later.
Sea state
Smooth or slight, occasionally moderate later.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeast 5 to 7, perhaps gale 8 for a time later.
Sea state
Slight or moderate, becoming rough for a time.
Weather
Rain later.
Visibility
Good, occasionally moderate later.

Great Orme Head to the Mull of Galloway (11)

24 hour forecast:

Wind
North 3 or 4, becoming variable 3 or less, then southeast 4 or 5 later.
Sea state
Smooth, occasionally slight.
Weather
Mainly fair.
Visibility
Good, occasionally poor later.

Outlook for the following 24 hours:

Wind
Southeast 4 or 5, increasing 6 or 7.
Sea state
Slight or moderate, occasionally rough for a time in west.
Weather
Fog patches at first, rain later.
Visibility
Good, occasionally very poor at first.

Isle of Man (12)

24 hour forecast:

Wind
Northeast 3 or 4, becoming variable 3 or less, then southeast 3 or 4, occasionally 5 later.
Sea state
Smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeast 3 or 4, increasing 5 or 6, veering south 5 to 7 later.
Sea state
Slight or moderate, becoming moderate or rough later.
Weather
Rain later.
Visibility
Good, occasionally moderate later.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
Variable 3 or 4, becoming southeasterly 5 or 6.
Sea state
Slight or moderate, becoming smooth for a time in east.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeasterly 5 to 7, perhaps gale 8 for a time in North Channel.
Sea state
Slight or moderate, becoming moderate or rough, occasionally very rough later in northwest.
Weather
Rain for a time later.
Visibility
Good, occasionally moderate for a time 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
Variable 3 or less, becoming southeasterly 4 to 6.
Sea state
Smooth or slight, occasionally moderate near Mull of Kintyre and later in North Channel.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeasterly 5 to 7, perhaps gale 8 for a time in North Channel.
Sea state
Slight or moderate, occasionally rough later, except in Firth of Clyde.
Weather
Rain later.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4, becoming southeast 5 or 6.
Sea state
Moderate, occasionally slight until later in shelter, becoming rough later in west.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeast 5 to 7, perhaps gale 8 for a time.
Sea state
Moderate or rough, becoming very rough in west.
Weather
Rain later.
Visibility
Good.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4, becoming southeast 4 to 6 later.
Sea state
Moderate in far south and far north, otherwise smooth or slight.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeast 5 to 7, perhaps gale 8 for a time.
Sea state
Moderate or rough in south, but occasionally very rough in far south, slight or moderate in north, but occasionally very rough in far north.
Weather
Rain later.
Visibility
Good.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
Variable 2 to 4, becoming southeast 5 to 7 later.
Sea state
Moderate, becoming rough later, except near Cape Wrath.
Weather
Fair.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Southeast 5 to 7, perhaps gale 8 for a time.
Sea state
Moderate or rough, becoming very rough.
Weather
Rain later.
Visibility
Good.

Shetland Isles (18)

24 hour forecast:

Wind
Northerly 3 to 5.
Sea state
Moderate, occasionally rough at first in west, but slight in sheltered east.
Weather
Showers.
Visibility
Good, occasionally moderate at first.

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

Valid Monday 18 Nov 2019 at 0600 UTC until Monday 18 Nov 2019 at 1800 UTC

General situation

Ridge extending from west maintains a slack northerly flow.

Forecast

Wind
Northerly 3 or 4, occasionally 5 at first in south and later in east
Sea state
Moderate occasionally rough at first in west, but slight to east of Shetland
Weather
Showers
Visibility
Good occasionally moderate

Outlook for 12 Hours from 1800 UTC on Monday 18 Nov until 0600 UTC on Tuesday 19 Nov

Wind
Northerly 3 or 4, occasionally 5 at first in east
Sea state
Moderate, but slight to east of Shetland.
Weather
Showers
Visibility
Mainly good

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
North to northeast 4 to 5, locally 6 at first in north, otherwise 2 to 3, becoming variable 3 or less by mid evening, then becoming southerly 3 to 4 after midnight.
Sea state
Slight to moderate, becoming smooth by dusk, then becoming mainly slight later tonight.
Weather
Showers at first, otherwise fair.
Visibility
Good, occasionally moderate, perhaps locally poor near French coasts on Tuesday morning.

Outlook for the following 24 hours:

Wind
Southerly 3 to 4, increasing 5 at times from mid afternoon.
Sea state
Smooth to slight, becoming moderate to rough by midnight with a moderate swell developing in the west.
Weather
Fair or fine, occasional rain in west overnight.
Visibility
Moderate to good.

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.

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