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yellow Warnings have been issued for the United Kingdom

Inshore waters

Inshore waters forecast for coastal areas up to 12 miles offshore

Issued: 1200 on Thu 18 Dec 2014 UTC

The inshore waters forecast, issued by the Met Office, on behalf of the Maritime and Coastguard Agency.

Valid from 1200 on Thu 18 Dec 2014 UTC until 1200 on Fri 19 Dec 2014 UTC

General situation

A deep area of low pressure near Iceland and a large high pressure area to the west of Iberia will maintain the strong westerly airflow across the United Kingdom. Cold fronts will edge southwards, clearing southeast England early Friday, introducing clearer and fresher conditions.

Cape Wrath to Rattray Head including Orkney

24 hour forecast: West or southwest 6 to gale 8, occasionally severe gale 9. Very rough or high north and west of Orkney and mainly slight near shore in south, otherwise moderate or rough. Showers. Good, occasionally moderate.

Outlook for the following 24 hours: West veering northwest later, 7 to severe gale 9. Slight in inner Moray Firth otherwise moderate or rough, but very rough or high north and west of Orkney. Squally showers. Moderate or good.

Rattray Head to Berwick upon Tweed

24 hour forecast: West or southwest 4 or 5, increasing 6 to gale 8, occasionally severe gale 9 later. Mainly slight near shore otherwise moderate or rough. Occasional rain then showers. Moderate or good.

Outlook for the following 24 hours: West veering northwest later, 6 to gale 8, occasionally severe gale 9. Mainly slight in shelter otherwise moderate or rough. Showers. Good.

Berwick upon Tweed to Whitby

24 hour forecast: Southwest veering west 5 to 7, occasionally gale 8 later. Slight or moderate. Occasional rain then showers. Moderate becoming good.

Outlook for the following 24 hours: West veering northwest later, 6 to gale 8, occasionally severe gale 9. Slight near shore otherwise moderate or rough. Showers. Good.

Whitby to Gibraltar Point

24 hour forecast: Southwest veering west 5 to 7, decreasing 4 for a time. Slight or moderate. Occasional rain, becoming fair later. Moderate becoming good.

Outlook for the following 24 hours: West 5 to 7, occasionally gale 8. Slight near shore otherwise moderate or rough. Showers. Good.

Gibraltar Point to North Foreland

24 hour forecast: Southwesterly veering westerly later 5 to 7, occasionally gale 8. Mainly slight near shore otherwise moderate or rough. Occasional rain or drizzle, becoming fair later. Moderate, occasionally poor, becoming good later.

Outlook for the following 24 hours: Westerly, 5 to 7, occasionally gale 8 later. Mainly slight near shore otherwise moderate or rough. Fair. Good.

North Foreland to Selsey Bill

24 hour forecast: Southwesterly 7 to severe gale 9, veering northwesterly 5 or 6 later. Rough, occasionally very rough. Rain or drizzle, fair later. Moderate or poor, becoming good later.

Outlook for the following 24 hours: Northwesterly backing westerly 5 to 7. Rough or very rough, becoming moderate or rough. Fair. Good.

Selsey Bill to Lyme Regis

24 hour forecast: Southwest 7 to severe gale 9, veering northwest 5 or 6 later. Slight in shelter otherwise moderate or rough, becoming rough or very rough for a time. Rain or drizzle, fair later. Moderate or poor, becoming good later.

Outlook for the following 24 hours: West or northwest 5 to 7. Slight or moderate in shelter otherwise rough or very rough, becoming moderate or rough. Fair. Good.

Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast: Southwest 7 to severe gale 9, veering northwest 5 or 6 later. Moderate or rough, occasionally very rough west of the Lizard. Rain or drizzle, fair later. Moderate or poor, becoming good later.

Outlook for the following 24 hours: West or northwest 5 to 7. Slight in shelter otherwise moderate or rough. Showers. Good.

Lands End to St Davids Head including the Bristol Channel

24 hour forecast: Southwest 6 to gale 8, occasionally severe gale 9 , veering northwest 5 or 6 later. Rough or very rough, becoming moderate or rough later. Rain or drizzle, fair later. Moderate or poor, becoming good later.

Outlook for the following 24 hours: West or northwest 5 to 7. Moderate or rough. Showers. Good.

St Davids Head to Great Orme Head, including St Georges Channel

24 hour forecast: Southwest veering west 6 to gale 8, occasionally severe gale 9 at first, decreasing 5 for a time. Moderate or rough, but very rough for a time in south. Rain or drizzle, becoming fair later. Moderate or poor, becoming good later.

Outlook for the following 24 hours: West 5 to 7. Moderate or rough. Fair. Good.

Great Orme Head to the Mull of Galloway

24 hour forecast: Southwest veering west 5 to 7, occasionally gale 8. Slight in shelter otherwise moderate or rough. Rain or drizzle, becoming fair later. Moderate or poor, becoming good.

Outlook for the following 24 hours: West 5 to 7, occasionally gale 8. Slight in shelter otherwise moderate or rough. Showers. Good.

Isle of Man

24 hour forecast: Southwest 6 or 7 veering west 4 or 5, increasing 6 or 7 later. Moderate or rough. Rain or drizzle then showers. Moderate or good, occasionally poor at first.

Outlook for the following 24 hours: West 6 or 7, increasing 7 or gale 8. Moderate or rough. Showers. Good, occasionally moderate.

Lough Foyle to Carlingford Lough

24 hour forecast: West or southwest 6 to gale 8, occasionally 5 at first. Slight in shelter otherwise moderate or rough, becoming very rough or high in far north. Rain then showers. Moderate, occasionally poor, becoming good.

Outlook for the following 24 hours: Westerly 6 to gale 8, occasionally severe gale 9 in north. Slight in shelter otherwise moderate or rough, but very rough or high in far north. Squally showers. Good, occasionally moderate.

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

24 hour forecast: Westerly or southwesterly 6 to gale 8, occasionally 5 at first. Slight in shelter otherwise moderate or rough, and becoming very rough in far north. Rain then showers. Moderate or good.

Outlook for the following 24 hours: Westerly 6 to gale 8, occasionally severe gale 9 in north. Slight in shelter otherwise moderate or rough, and very rough in far north. Squally showers. Good.

Mull of Kintyre to Ardnamurchan Point

24 hour forecast: West 5 or 6, increasing 7 to severe gale 9. Slight or moderate in shelter otherwise rough or very rough, becoming high or very high. Rain then showers. Moderate or good.

Outlook for the following 24 hours: West veering northwest later, 7 to severe gale 9. Moderate or rough in shelter otherwise very rough or high. Squally showers. Moderate or good.

The Minch

24 hour forecast: West or southwest 7 to severe gale 9. Moderate or rough, but very rough or high in far north and in far south. Showers. Moderate or good.

Outlook for the following 24 hours: West veering northwest later, 7 to severe gale 9. Moderate or rough, but very rough or high in far north and far south. Squally wintry showers. Moderate.

Ardnamurchan Point to Cape Wrath

24 hour forecast: West or southwest 7 to severe gale 9. High or very high. Showers. Moderate or good.

Outlook for the following 24 hours: West veering northwest later, 7 to severe gale 9. High or very high, becoming very rough later. Squally wintry showers. Moderate.

Shetland Isles

24 hour forecast: Southwesterly 7 to severe gale 9, occasionally 6 at first in east. Rough in sheltered east, otherwise very rough becoming high. Squally, thundery wintry showers. Good, occasionally poor.

Outlook for the following 24 hours: . . . .

Channel Islands

24 hour forecast: West to southwest 6 to 7 with gusts to 45kt, increasing gale 8 in the north by late afternoon, veering west to northwest Friday morning, decreasing 4 to 5. Rough, locally very rough in the north overnight. Occasional drizzle, rain after midnight, locally heavy by dawn, starting to clear by midday. Moderate to poor.

Outlook for the following 24 hours: Northwest 4 to 5, backing westerly on Saturday. Rough, decreasing moderate to rather rough with swell. Any rain soon clearing, risk of shower. Mainly good.

Inshore waters overview

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, up to 12 miles offshore, around the British Isles are divided into 19 areas.

The forecast contains details of forecast wind direction and force, weather, visibility and sea state.

Strong coastal winds (Strong Breeze 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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