Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 100 miles south of Iceland 964 at 1800 on Thursday losing its identity by midday on Friday. New low expected Norwegian Basin 968 by midday on Friday, this then moving away northeast by midday on Saturday. New low expected 100 miles west of Bailey 974 by midday on Saturday, this then expected Shannon 987 by midday on Sunday. Gales are expected in all areas on Thursday evening. These are expected to die out in Humber, Thames, Dover and Wight by midday on Friday then in all other areas except for Viking and Fair Isle by the end of Friday. The gales are expected to die out in Viking and Fair Isle by midday on Saturday, but further gales are expected to develop in western Fair Isle by this time. The gales are expected to die out in Fair Isle by the end of Saturday. No gales are expected during Sunday. Widespread fog is not expected
Niton
Low 100 miles south of Iceland 964 at 1800 on Thursday losing its identity by midday on Friday. New low expected Norwegian Basin 968 by midday on Friday, this then moving away northeast by midday on Saturday. New low expected 100 miles west of Bailey 974 by midday on Saturday, this then expected Shannon 987 by midday on Sunday. Gales are expected in Thames, Dover, Wight, Lundy, Fastnet, Irish Sea and Shannon on Thursday evening. These are expected to die out in all areas by midday on Friday. Gales are expected in FitzRoy, Sole, Fastnet and Shannon later Friday and are expected to move into Biscay and Plymouth by midday on Saturday. These are expected to die out by late Saturday. Gales are expected in Sole and Shannon by late Saturday and are then expected in FitzRoy by midday on Sunday. Widespread fog is not expected
Portpatrick
Low 100 miles south of Iceland 964 at 1800 on Thursday losing its identity by midday on Friday. New low expected Norwegian Basin 968 by midday on Friday, this then moving away northeast by midday on Saturday. New low expected 100 miles west of Bailey 974 by midday on Saturday, this then expected Shannon 987 by midday on Sunday. Gales expected in all areas Thursday evening. These expected to die out in Lundy, Fastnet, Irish Sea, Shannon and Southeast Iceland by midday Friday then in Faeroes by the end of Friday. Gales expected in Shannon later Friday. Gales expected to die out in Malin and Bailey by midday Saturday, and for a time in Fair Isle during Saturday. Gales expected in Faeroes and Southeast Iceland by midday on Saturday. Gales expected to die out in Hebrides, Fair Isle, Faeroes and Southeast Iceland late Saturday. Gales expected in Shannon late Saturday and Rockall by midday Sunday. Widespread fog not expected
The extended outlook information
The extended outlooks are issued once a day, at 2300 GMT and cover the next 3 to 5 days.
For the extended outlooks the waters surrounding the British Isles are divided into three areas: Cullercoats, Portpatrick and Niton. These three areas reflect the coverage areas of the UK's Navtex transmitters, which overlap in some areas.
The extended outlook forecast contains details of the likelihood of gales or storms, a general synopsis and a general forecast for the area of coverage of each Navtex transmitter.
Marine forecasts disclaimer
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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