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Inshore waters

Issued by the Met Office at 0001 UTC on Wednesday 24 May 2017

Inshore Waters Forecast to 12 miles offshore
for the period 0000 UTC Wednesday 24 May to 0000 UTC Thursday 25 May 2017

General situation

Warm air will continue to push northeastwards across the United Kingdom over the next few days. As high pressure drifts slowly northeastwards, it will remain very quiet, but sea fog will affect many coasts at times.

Cape Wrath to Rattray Head including Orkney

24 hour forecast: Variable 3 or 4, becoming westerly or southwesterly 4 or 5, occasionally 6 near Cape Wrath. Smooth or slight in east, slight or moderate in north. Mainly fair in east, occasional drizzle with fog patches in north. Moderate or good, occasionally very poor in north.

Outlook for the following 24 hours: Westerly or southwesterly backing southeasterly later, 3 or 4, occasionally 5 in north. Smooth or slight in east, slight or moderate in north. Mainly fair in east, drizzle with fog patches in north. Moderate or good, occasionally very poor in north.

Rattray Head to Berwick upon Tweed

24 hour forecast: Variable, mainly west or southwest, 3 or 4. Smooth or slight. Mainly fair. Moderate or good.

Outlook for the following 24 hours: West or southwest backing south later, 3 or 4, becoming variable 3 or less for a time. Smooth or slight. Mainly fair. Moderate or good, occasionally poor later.

Berwick upon Tweed to Whitby

24 hour forecast: Variable, mainly west or southwest, 3 or 4. Smooth or slight. Fair. Moderate or good.

Outlook for the following 24 hours: Variable 3 or less, becoming southeast 3 or 4 later. Smooth or slight. Fog patches later. Moderate or good, occasionally very poor later.

Whitby to Gibraltar Point

24 hour forecast: Variable, mainly northwest at first, 3 or less. Smooth or slight. Fair. Moderate or good.

Outlook for the following 24 hours: Variable 3 or less, becoming southeast 3 or 4 later. Smooth or slight. Fog patches later. Moderate or good, occasionally very poor later.

Gibraltar Point to North Foreland

24 hour forecast: Variable 3 or 4. Smooth or slight. Fair. Moderate or good, occasionally poor later.

Outlook for the following 24 hours: Variable 3 or less, becoming easterly 3 or 4 later. Smooth, occasionally slight. Fog patches later. Moderate or good, occasionally very poor later.

North Foreland to Selsey Bill

24 hour forecast: Westerly 3 or 4, becoming variable 3 or less. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming easterly or northeasterly 3 or 4, occasionally 5 later. Smooth or slight, becoming slight or moderate later. Fog patches. Moderate or good, occasionally very poor.

Selsey Bill to Lyme Regis

24 hour forecast: Variable, mainly northwest at first, 3 or 4. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable becoming east 3 or 4, increasing 5, occasionally 6 later. Smooth or slight, becoming slight or moderate later. Fog patches at first. Moderate or good, occasionally very poor at first.

Lyme Regis to Lands End including the Isles of Scilly

24 hour forecast: Variable 3 or less, becoming east 3 or 4 later. Slight or moderate in far west, otherwise smooth or slight. Fog patches. Moderate, occasionally very poor.

Outlook for the following 24 hours: East 3 or 4, increasing 5, occasionally 6 later. Smooth or slight at first east of the Lizard, otherwise slight or moderate, becoming moderate later. Fog patches at first. Moderate or good, occasionally very poor at first.

Lands End to St Davids Head including the Bristol Channel

24 hour forecast: Variable 3 or less. Slight or moderate. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable becoming southeast 3 or 4, occasionally 5 later. Slight or moderate. Fog patches at first. Moderate or good, occasionally very poor at first.

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

24 hour forecast: South or southwest 3 or 4, becoming variable 3 or less. Slight or moderate at first in far south, otherwise smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable 3 or less, becoming southeast 3 or 4 later. Smooth or slight, becoming slight or moderate in far south. Fair. Moderate or good.

Great Orme Head to the Mull of Galloway

24 hour forecast: Southwest 3 or 4 becoming variable 3 or less later. Smooth or slight. Mainly fair. Moderate or good, occasionally poor.

Outlook for the following 24 hours: Variable, mainly east or southeast 3 or less, occasionally 4 later. Smooth or slight. Fair. Moderate or good.

Isle of Man

24 hour forecast: West or southwest backing south or southwest 3 or 4, becoming variable 3 or less later. Smooth or slight. Fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Variable becoming east or southeast 3 or less, increasing 3 or 4. Smooth or slight. Mainly fair. Moderate or good.

Lough Foyle to Carlingford Lough

24 hour forecast: Southwesterly 3 or 4, occasionally 5 at first in north, becoming variable 3 or less. Smooth or slight. Mainly fair. Moderate or good, occasionally poor.

Outlook for the following 24 hours: Variable 3 or less, becoming southeasterly 3 or 4, occasionally 5 later. Smooth or slight, becoming slight or moderate in north. Fair. Moderate or good.

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

24 hour forecast: Southwesterly 3 or 4, becoming variable 3 or less. Smooth or slight. Mainly fair. Moderate or good, occasionally poor.

Outlook for the following 24 hours: Variable 3 or less, becoming southeasterly 3 or 4, occasionally 5 later in North Channel. Smooth or slight, occasionally moderate later in far north. Fair. Moderate or good.

Mull of Kintyre to Ardnamurchan Point

24 hour forecast: Southwest 4 or 5, backing south 3 or 4 later. Smooth or slight in southeast, otherwise slight or moderate. Occasional drizzle at first, fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: South backing southeast 3 or 4, occasionally 5 later. Smooth or slight at times in southeast, otherwise slight or moderate. Fair. Moderate or good, occasionally poor at first.

The Minch

24 hour forecast: Variable 3 or 4, becoming southwest 4 or 5, increasing 6 at times. Smooth at times in central areas, otherwise slight or moderate. Occasional drizzle for a time, fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Southwest backing south 4 or 5, becoming variable 3 at times. Smooth or slight in central areas, otherwise slight or moderate. Occasional drizzle with fog patches, becoming fair. Moderate or good, occasionally very poor at first.

Ardnamurchan Point to Cape Wrath

24 hour forecast: Variable 3 or 4, becoming southwest 4 or 5, increasing 6 at times. Slight at times near Sutherland, otherwise moderate. Occasional drizzle for a time, fog patches. Moderate or good, occasionally very poor.

Outlook for the following 24 hours: Southwest backing south 4 or 5, becoming variable 3 at times. Slight at times near Sutherland, otherwise moderate. Occasional drizzle with fog patches, becoming fair. Moderate or good, occasionally very poor at first.

Shetland Isles

24 hour forecast: Southwest 3 or 4, veering west 4 or 5 later. Slight or moderate, becoming smooth or slight for a time in south and in east. Fair then occasional rain or drizzle with fog patches. Good, becoming moderate, occasionally very poor.

Outlook for the following 24 hours: . . . .

Channel Islands

24 hour forecast: West to northwest 1 to 3, occasionally 4 in the north of the area at first, becoming northeast or variable after dawn, increasing mainly 3 to 4 by evening. Smooth or slight. Widespread mist or fog, thinning to patches during the day. Poor or very poor at first, becoming mainly moderate.

Outlook for the following 24 hours: Northeast to east 3 to 4, occasionally 5 from late morning. Slight, occasionally moderate by evening, with a low swell. Risk of mist patches at first. Good, occasionally poor at first.

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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