The general synopsis at 1800
Low 100 miles west of Bailey 1001 expected north Hebrides 1005 by 1800 Saturday. High 150 miles west of Fitzroy 1022 expected Biscay 1018 by same time
The area forecasts for the next 24 hours
Viking, North Utsire, South Utsire, Forties, Cromarty, Forth
Southerly or southeasterly 5 or 6, occasionally 4 at first, veering southwesterly 4 or 5 later. Slight or moderate. Rain then thundery showers. Moderate or good
Tyne, Dogger, Fisher, German Bight, Humber
Southerly or southwesterly 4 or 5, occasionally 3 later in Tyne and southeast German Bight. Slight or moderate. Showers. Mainly good
South or southeast 4 or 5 veering southwest 3 or 4. Slight. Fair. Good
Variable 3 or 4 becoming southwest 4 or 5. Slight. Fair. Good
West or northwest 3 or 4 backing southwest 4 or 5, occasionally 3 later. Moderate in west Plymouth otherwise slight. Fair. Good
Northerly 4 or 5 becoming variable 3 or 4, then easterly 4 or 5 in south later. Slight or moderate. Mainly fair. Good
North or northwest 4 or 5, occasionally 6 at first. Moderate or rough. Fair. Good
Northerly or northeasterly 5 or 6, occasionally 4 later. Rough in south at first, otherwise moderate. Fair. Good
Northwest Fitzroy, Sole
Westerly or southwesterly 4 or 5 backing southerly 5 to 7, perhaps gale 8 in west later. Moderate, becoming rough in west later. Occasional rain. Moderate or good
West or southwest, backing south later, 4 or 5. Slight or moderate. Showers. Mainly good
Southwest 4 or 5, occasionally 6 at first. Slight or moderate. Rain or showers. Moderate or good
Shannon, Southwest Rockall
Westerly or southwesterly 5 to 7 decreasing 3 or 4, backing southeasterly 5 to 7, perhaps gale 8 later. Moderate or rough. Squally showers, rain later. Moderate or good
Northeast Rockall, Malin
Westerly or southwesterly 5 to 7 becoming variable 3 or 4. Moderate or rough. Squally showers dying out. Mainly good
South or southwest 5 to 7 becoming cyclonic 4 or 5. Moderate or rough. Squally showers dying out. Mainly good
Bailey, Fair Isle, Faeroes
Cyclonic, but southeast in Fair Isle and Faeroes at first, 4 or 5. Rough at first in northwest Bailey, otherwise moderate. Thundery showers. Mainly good
Northeast 5 to 7 decreasing 3 or 4. Moderate or rough becoming slight or moderate. Occasional rain. Moderate or 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.
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