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Inshore waters

Issued by the Met Office at 1200 UTC on Sunday 11 December 2016

Inshore Waters Forecast to 12 miles offshore
for the period 1200 UTC Sunday 11 December to 1200 UTC Monday 12 December 2016

General situation

A ridge of high pressure will cross the United Kingdom during today. Thereafter, it will move away eastwards, allowing relatively weak frontal systems to move northeastwards across all areas on Monday and Tuesday.

Cape Wrath to Rattray Head including Orkney

24 hour forecast: Westerly or northwesterly 5 to 7, decreasing 3 or 4, then backing southerly, increasing 5 or 6 later in northwest. Slight or moderate in east, rough or very rough becoming moderate or rough in north. Showers for a time in north. Good.

Outlook for the following 24 hours: Southerly or southwesterly 4 or 5, occasionally 6 in north, becoming variable 3 or 4, then southeasterly 5 to 7 later. Slight or moderate in east, moderate or rough in north. Rain for a time. Good, becoming moderate for a time.

Rattray Head to Berwick upon Tweed

24 hour forecast: West 5 to 7, decreasing 3 or 4, backing southwest 4 or 5 later. Slight or moderate. Fair. Good.

Outlook for the following 24 hours: Southwest 4 or 5, becoming variable 3, then southeast 5 or 6 later. Slight, occasionally moderate. Mainly fair. Mainly good.

Berwick upon Tweed to Whitby

24 hour forecast: West 5 or 6 decreasing 3 or 4, backing south later. Slight, occasionally moderate. Fair. Good.

Outlook for the following 24 hours: South 3 or 4, becoming variable 3 or less for a time later. Slight or moderate. Occasional rain for a time. Mainly good.

Whitby to Gibraltar Point

24 hour forecast: West 4 or 5, decreasing 3, backing south 3 or 4 later. Slight occasionally moderate. Fair. Good.

Outlook for the following 24 hours: South 3 or 4, occasionally 5 for a time, becoming variable 3 or less later. Slight, occasionally moderate. Occasional rain or drizzle. Good, occasionally moderate.

Gibraltar Point to North Foreland

24 hour forecast: Westerly 5 or 6, decreasing 3 or 4, backing southerly later. Slight or moderate, becoming smooth or slight. Fair. Good.

Outlook for the following 24 hours: Southerly 3 or 4, increasing 5 or 6 for a time. Smooth or slight, becoming slight or moderate. Occasional rain or drizzle. Good, occasionally moderate.

North Foreland to Selsey Bill

24 hour forecast: Westerly backing southerly later, 4 or 5, becoming variable 3 or less for a time. Slight or moderate, becoming smooth or slight for a time. Occasional rain later. Good.

Outlook for the following 24 hours: Southerly 4 or 5, occasionally 6 for a time, veering southwesterly 3 or 4 later. Slight or moderate. Occasional rain or drizzle. Good, occasionally poor.

Selsey Bill to Lyme Regis

24 hour forecast: Northwest 3 or 4, becoming variable 2, then south or southeast 4 or 5 later. Slight or moderate. Occasional rain or drizzle later. Good, occasionally poor later.

Outlook for the following 24 hours: South or southwest 4 or 5, occasionally 6 at first. Slight or moderate. Occasional rain or drizzle. Good, occasionally poor.

Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast: Variable 3 or less becoming southeasterly 4 or 5, occasionally 6 in west, then veering southwesterly later. Slight or moderate, occasionally rough at first in west. Occasional rain or drizzle later. Good, becoming moderate or poor later.

Outlook for the following 24 hours: Southwesterly backing southerly 4 or 5, occasionally 6 at first and again later. Slight or moderate, occasionally rough in far west. Occasional rain or drizzle, fog patches. Moderate or good, occasionally very poor.

Lands End to St Davids Head including the Bristol Channel

24 hour forecast: West or southwest 3 or less backing southeast 4 or 5, becoming cyclonic later. Slight or moderate. Occasional rain or drizzle later. Good, occasionally poor later.

Outlook for the following 24 hours: Cyclonic becoming south 5 or 6, decreasing 3 or 4 for a time. Slight or moderate, becoming moderate or rough in southwest. Occasional rain or drizzle, fog patches. Moderate or good, occasionally very poor.

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

24 hour forecast: Southwest backing southeast 3 or 4, occasionally 5 later. Slight or moderate. Occasional rain or drizzle later. Good, occasionally poor later.

Outlook for the following 24 hours: South or southeast 4 or 5, occasionally 6 later, becoming variable 3 for a time. Slight or moderate. Occasional rain or drizzle. Good, occasionally poor.

Great Orme Head to the Mull of Galloway

24 hour forecast: West 4 or 5, backing south or southeast 3 or 4. Slight or moderate, becoming smooth or slight. Occasional rain later. Good.

Outlook for the following 24 hours: East or southeast 3 or 4, occasionally 5 later. Smooth or slight. Occasional rain or drizzle. Good, occasionally poor.

Isle of Man

24 hour forecast: West 4 or 5, decreasing 3 or 4, backing south, then backing south or southeast 4 or 5 later. Slight or moderate, becoming slight for a time. Occasional rain or drizzle later. Good, becoming moderate or poor later.

Outlook for the following 24 hours: South or southeast 4 or 5, backing southeast 3 or 4. Slight or moderate, becoming slight. Occasional rain or drizzle. Good, occasionally moderate or poor.

Lough Foyle to Carlingford Lough

24 hour forecast: Southwest backing south 4 or 5, decreasing 3 at times in east. Slight or moderate, becoming smooth or slight in east. Occasional rain or drizzle later. Good, occasionally moderate later.

Outlook for the following 24 hours: South backing southeast 4 or 5, occasionally 6 later, becoming variable 3 or less for a time. Smooth or slight in southeast, otherwise slight or moderate. Occasional rain or drizzle. Good, occasionally moderate.

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

24 hour forecast: Southwesterly backing southerly 4 or 5, decreasing 3 at times. Slight or moderate, becoming smooth or slight. Occasional rain or drizzle later. Good, occasionally moderate later.

Outlook for the following 24 hours: Southerly backing southeasterly 4 or 5, occasionally 6 later, becoming variable 3 or less for a time. Slight or moderate in north, otherwise smooth or slight. Occasional rain or drizzle. Good, occasionally moderate.

Mull of Kintyre to Ardnamurchan Point

24 hour forecast: Southwest backing south 5 or 6, decreasing 4 at times. Slight in shelter in southeast, otherwise moderate or rough. Showers. Good.

Outlook for the following 24 hours: South 5 or 6, becoming cyclonic, then northeast 4 or 5, then veering southeast 5 to 7 later. Slight in shelter in southeast, otherwise moderate or rough. Rain at first. Good, occasionally poor at first.

The Minch

24 hour forecast: West backing south or southwest 5 or 6, occasionally 7 later, decreasing 4 for a time. Slight at times in central areas, otherwise moderate or rough. Showers. Good.

Outlook for the following 24 hours: South or southwest 5 to 7, becoming cyclonic then northeast 4 or 5, then veering southeast 5 to 7 later. Moderate or rough, becoming slight in central areas. Rain at first. Good, occasionally poor at first.

Ardnamurchan Point to Cape Wrath

24 hour forecast: West backing south or southwest 5 or 6, occasionally 7 later, decreasing 4 for a time. Moderate or rough, becoming rough or very rough later. Showers. Good.

Outlook for the following 24 hours: South or southwest 5 to 7, becoming cyclonic then northeast 4 or 5, then veering southeast 5 to 7 later. Rough, occasionally very rough. Rain at first. Good, occasionally poor at first.

Shetland Isles

24 hour forecast: Cyclonic, becoming northeast, then veering south later, 4 or 5, occasionally 6 later. Very rough at first in west, otherwise moderate or rough. Mainly fair. Good.

Outlook for the following 24 hours: . . . .

Channel Islands

24 hour forecast: Variable 1 to 3, becoming southeast during afternoon and increasing 3 to 4, further increasing 4 to 5 this evening, veering south to southwest Monday morning, perhaps locally 6. Slight becoming mainly moderate. Mist or fog patches occasional rain and drizzle spreading from the southwest later this evening. Good, occasionally poor or very poor, becoming moderate to very poor overnight.

Outlook for the following 24 hours: Southwesterly 4 to 5, locally 6 in the north, decreasing 3 to 4 by evening, backing southerly overnight. Slight to moderate, perhaps locally rather rough, decreasing slight in the evening, with a low swell. Occasional rain and drizzle misty with a risk of fog patches. Moderate to poor, perhaps very poor.

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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