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yellow Warnings have been issued for the United Kingdom

Shipping forecast

The shipping forecast issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 0405 UTC on Friday 18 August 2017

There are warnings of gales in Forties, Cromarty, Forth, Thames, Dover, Wight, Portland, Plymouth, Sole, Lundy, Fastnet, Irish Sea, Shannon, Rockall and Malin.

The general synopsis at midnight

Low Hebrides 998 expected Fair Isle 994 by midnight tonight. Low west Faeroes 990 losing its identity

The area forecasts for the next 24 hours

Viking

South 4 or 5, becoming cyclonic 5 to 7, occasionally gale 8 later. Moderate, becoming rough later. Showers then occasional rain. Good, occasionally poor

North Utsire, South Utsire

Southeasterly 3 or 4, increasing 5 to 7, perhaps gale 8 later. Moderate, becoming rough later. Showers, rain later. Good, occasionally poor later

Forties, Cromarty, Forth

South 4 or 5, becoming cyclonic, then southwest 6 to gale 8. Slight or moderate, becoming moderate or rough. Rain or thundery showers. Good, occasionally poor

Tyne, Dogger

Southwest veering west later, 5 to 7. Slight or moderate, becoming moderate or rough. Showers. Mainly good

Fisher, German Bight

South or southwest 5 or 6. Slight or moderate. Showers. Good

Humber

Southwest veering west later, 5 to 7. Slight or moderate. Showers. Good

Thames, Dover, Wight

Southwest veering west later, 5 to 7, occasionally gale 8 later. Slight or moderate, becoming moderate or rough. Showers. Good

Portland, Plymouth

Southwesterly 4 or 5, veering westerly 5 to 7, occasionally gale 8 in north. Slight or moderate, becoming moderate or rough. Showers. Good

Biscay

Westerly veering northerly or northwesterly 4 or 5, occasionally 6 in north. Moderate. Rain in south, otherwise showers. Good, occasionally poor in south

Southeast Fitzroy

Variable 4, becoming northerly 5 or 6, occasionally 7 in far southeast. Moderate, occasionally rough later. Occasional drizzle. Good, occasionally poor

Northwest Fitzroy

Westerly 4 or 5, occasionally 6 in north. Moderate or rough. Showers. Good

Sole, Lundy, Fastnet, Irish Sea

West 5 to 7, occasionally gale 8. Moderate or rough. Squally showers. Good, occasionally moderate

Shannon, Rockall

West or northwest 6 to gale 8. Rough or very rough. Squally showers. Mainly good

Malin

West 5 to 7, veering northwest 6 to gale 8. Moderate or rough, becoming rough or very rough later. Squally showers. Good, occasionally moderate

Hebrides, Bailey

Cyclonic, becoming mainly northwest, 5 to 7, perhaps gale 8 later. Moderate or rough. Rain or showers. Good, occasionally moderate

Fair Isle

Cyclonic 4 or 5, increasing 6 or 7 later. Moderate, occasionally rough. Rain or thundery showers. Good, occasionally poor

Faeroes, Southeast Iceland

Cyclonic, becoming mainly northerly later, 5 to 7, perhaps gale 8 later in Southeast Iceland. Moderate or rough. Rain or showers. Good, occasionally poor

Trafalgar (issued 2315 UTC)

Northerly 5 or 6, occasionally 7 in east. Moderate or rough. Mainly fair. Good.

Shipping forecast overview

The shipping forecast is issued four times a day at 2300, 0500, 1100, 1700 UTC and covers a period of 24 hours from 0000, 0600, 1200 and 1800 UTC respectively.

The waters around the British Isles are divided into 31 sea areas.

The forecast contains details of gale warnings in force, a general synopsis and sea-area forecasts containg forecast wind direction and force, weather and visibility.

Gale warnings are issued as required throughout the day (for winds of Gale Force 8 or more).

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.

Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed. Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.