Coast and sea

Inshore waters and strong winds

General situation

Low pressure off eastern Scotland will move away southeast. A slack mainly northwesterly showery flow will affect the coastal waters before a ridge builds over the United Kingdom later on Tuesday.

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
Northeast 5 or 6, backing northwest 4 or 5.
Sea state
Slight or moderate.
Weather
Occasional rain then showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Northwest 4 or 5, backing west 3 or 4, increasing 5 or 6 for a time.
Sea state
Slight or moderate, occasionally rough in northwest.
Weather
Showers, occasional rain later in north.
Visibility
Good, occasionally moderate later in north.

Rattray Head to Berwick upon Tweed (2)

Strong winds are forecast

24 hour forecast:

Wind
Cyclonic 5 to 7, becoming northwest 5 or 6, veering northeast 3 or 4, becoming variable later.
Sea state
Slight or moderate, becoming slight.
Weather
Occasional rain then showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming north 4 or 5 for a time, then southwest 4 or 5 later.
Sea state
Slight, occasionally moderate in north and smooth near shore.
Weather
Showers becoming fair later.
Visibility
Good, occasionally poor at first.

Berwick upon Tweed to Whitby (3)

Strong winds are forecast

24 hour forecast:

Wind
Southwest 5 or 6, veering west 5 to 7, veering north 3 or 4, becoming variable 3 or less later.
Sea state
Slight or moderate, becoming slight later.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Variable 3 or less, becoming north 4 or 5, then variable 3 or 4, becoming south 4 or 5 later.
Sea state
Slight, occasionally moderate later offshore.
Weather
Showers becoming fair later.
Visibility
Good, occasionally poor at first.

Whitby to Gibraltar Point (4)

Strong winds are forecast

24 hour forecast:

Wind
Southwest 5 or 6, veering northeast 3 or 4, becoming variable 3 or 4 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Variable 3 or 4, becoming east, veering southeast later.
Sea state
Slight.
Weather
Showers becoming fair later.
Visibility
Good, occasionally moderate at first.

Gibraltar Point to North Foreland (5)

Strong winds are forecast

24 hour forecast:

Wind
Westerly 4 or 5, occasionally 6 in north , becoming variable , mainly westerly, 3 to 5.
Sea state
Smooth or slight, occasionally moderate in north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Variable, mainly westerly, 3 to 5, veering northeasterly 4 or 5, then easterly or southeasterly 3 or 4 later.
Sea state
Smooth or slight.
Weather
Thundery showers becoming fair later.
Visibility
Good, occasionally moderate at first.

North Foreland to Selsey Bill (6)

Strong winds are forecast

24 hour forecast:

Wind
Westerly or northwesterly 3 or 4, backing southwesterly 5 or 6, veering westerly 4 or 5 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Westerly 4 or 5, veering northeasterly 3 or 4.
Sea state
Slight or moderate, becoming slight later.
Weather
Showers at first.
Visibility
Good.

Selsey Bill to Lyme Regis (7)

Strong winds are forecast

24 hour forecast:

Wind
West 4, backing southwest 5 or 6 for a time.
Sea state
Slight becoming slight or moderate.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
West 4 or 5, veering northwest 4 later.
Sea state
Slight, occasionally moderate offshore.
Weather
Showers at first.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
West 4 or 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally smooth in lyme bay and rough later in far west.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
West 4 or 5, occasionally 6 at first, backing west 3 or 4 later.
Sea state
Slight or moderate, occasionally smooth in lyme bay and rough at first in far west.
Weather
Showers at first.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
Northwest 4 or 5, backing west, veering northwest, 5 or 6, occasionally 7 later offshore.
Sea state
Moderate, occasionally slight in the Bristol Channel and rough later in southwest.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwest 5 or 6, becoming variable 3 or 4.
Sea state
Moderate, occasionally slight in the Bristol Channel and rough at first in southwest, becoming slight or moderate later.
Weather
Showers at first.
Visibility
Good.

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

Strong winds are forecast

24 hour forecast:

Wind
West or southwest 5 or 6, occasionally 7 later.
Sea state
Slight or moderate.
Weather
Showers, some thundery.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
West, veering northwest, 4 or 5, becoming variable 3 or 4 later.
Sea state
Slight or moderate becoming smooth or slight later.
Weather
Showers at first.
Visibility
Good, occasionally moderate at first.

Great Orme Head to the Mull of Galloway (11)

Strong winds are forecast

24 hour forecast:

Wind
Westerly or southwesterly 5 or 6, occasionally 7 at first in north, veering northwesterly 4 or 5 later.
Sea state
Slight or moderate becoming smooth or slight later.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours:

Wind
Northwesterly 4 or 5, occasionally 6 near Mull of Galloway, backing west 3 or 4 later.
Sea state
Smooth or slight, occasionally moderate at first near great orme head and Mull of Galloway.
Weather
Showers at first.
Visibility
Good, occasionally moderate at first.

Isle of Man (12)

Strong winds are forecast

24 hour forecast:

Wind
West 5 or 6, decreasing 2 or 3, veering northwest 4 or 5 later.
Sea state
Slight or moderate becoming slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwest 5 or 6, decreasing 3 or 4 later.
Sea state
Slight or moderate, becoming slight.
Weather
Showers.
Visibility
Good.

Lough Foyle to Carlingford Lough (13)

Strong winds are forecast

24 hour forecast:

Wind
Southwest 5 or 6, veering west 4 or 5, becoming variable 3 or 4, then northwest 4 or 5 later.
Sea state
Slight or moderate, but rough at first in north, becoming smooth or slight, occasionally moderate in far north.
Weather
Showers, perhaps thundery.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours:

Wind
Northwest 4 or 5, occasionally 6 in the North Channel, becoming variable 3 or 4.
Sea state
Smooth or slight, becoming slight or moderate for a time.
Weather
Showers at first.
Visibility
Good, occasionally moderate 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
Westerly 5 to 7, veering northwesterly 3 or 4, occasionally 5 later.
Sea state
Slight or moderate, occasionally rough at first near Mull of Kintyre, becoming smooth or slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
Northwesterly 4 or 5, occasionally 6 in the North Channel, becoming variable 3 or less later.
Sea state
Smooth or slight becoming slight or moderate.
Weather
Showers at first.
Visibility
Good.

Mull of Kintyre to Ardnamurchan Point (15)

Strong winds are forecast

24 hour forecast:

Wind
West or northwest 5 or 6, decreasing 3 or 4, veering north 4 or 5 later.
Sea state
Rough becoming moderate, occasionally slight in shelter.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North 4 or 5, occasionally 6 at first, backing northwest 3 or 4, becoming variable 3 or less later.
Sea state
Moderate, occasionally slight in shelter.
Weather
Showers at first.
Visibility
Good.

The Minch (16)

Strong winds are forecast

24 hour forecast:

Wind
North or northeast 5 or 6, decreasing 3 or 4, occasionally 5 later.
Sea state
Slight or moderate, occasionally rough at first in south and smooth later in central areas.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 4 or 5, backing west 3 or 4, increasing 5 or 6, backing southwest 4 or 5 later.
Sea state
Slight or moderate, occasionally smooth in central areas and rough later in north.
Weather
Showers.
Visibility
Good.

Ardnamurchan Point to Cape Wrath (17)

Strong winds are forecast

24 hour forecast:

Wind
North or northeast 5 or 6, decreasing 3 or 4, occasionally 5 later.
Sea state
Moderate or rough becoming moderate.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours:

Wind
North or northwest 4 or 5, backing west 3 or 4, increasing 5 or 6, backing southwest 3 or 4 later.
Sea state
Moderate, occasionally rough later in northwest.
Weather
Showers.
Visibility
Good.

Shetland Isles (18)

24 hour forecast:

Wind
North, backing northwest, 4 or 5.
Sea state
Moderate, occasionally slight in northeast, and rough later in far northwest.
Weather
Showers.
Visibility
Good.

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

Valid Monday 27 May 2019 at 0000 UTC until Monday 27 May 2019 at 1200 UTC

General situation

A cool, showery northerly or northwesterly airstream covers Shetland waters.

Forecast

Wind
Northerly, backing northwesterly later, 4 or 5
Sea state
Mainly moderate
Weather
Showers
Visibility
Good

Outlook for 12 Hours from 1200 UTC on Monday 27 May until 0000 UTC on Tuesday 28 May

Wind
Northwesterly 4 or 5
Sea state
Moderate, becoming rough later in northwest
Weather
Showers
Visibility
Good

Channel Islands (19)

Strong winds are forecast

24 hour forecast:

Wind
Northwest 4, locally 3 by dawn after midday backing west 4 to 5, perhaps locally 6 in mid-channel by late afternoon, then west to northwest increasing 5 locally 6 during the evening.
Sea state
Slight increasing moderate during early afternoon and locally rather rough in west of area during late evening.
Weather
Patchy mist and drizzle across east of area quickly clearing during early hours isolated showers develop after midday.
Visibility
Moderate to poor in east initially, otherwise good moderate in showers later.

Outlook for the following 24 hours:

Wind
West to northwest 5 locally 6, veering northwest 4 to 5 during afternoon and decreasing 3 to 4 by midnight.
Sea state
Moderate with a low swell, but rather rough in west of area till late afternoon, then decreasing slight by midnight.
Weather
Isolated showers becoming more frequent overnight, then isolated again by Tuesday evening.
Visibility
Good, occasionally moderate in showers.

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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