Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low Forties 995 at 1800 on Tuesday losing its identity by midday on Wednesday. Low Faeroes 993 at 1800 on Tuesday expected Norwegian Basin 993 by midday on Wednesday, this moving away north by midday on Thursday. New low expected FitzRoy 1004 by midday on Thursday, this expected Thames 993 by midday on Friday. New low expected Shannon 995 by midday on Friday. New low expected Fair Isle 995 by midday on Friday. Gales expected in North Utsire and South Utsire on Tuesday evening, but these are expected to die out by midday on Wednesday. Gales are expected to develop in Viking and North Utsire by midday on Thursday, and these are expected to spread into South Utsire and Forties by the end of the day. These gales are expected to slowly die out during Friday. Gales are expected to develop in German Bight later Friday. Widespread fog is not expected
Niton
Low Forties 995 at 1800 on Tuesday losing its identity by midday on Wednesday. Low Faeroes 993 at 1800 on Tuesday expected Norwegian Basin 993 by midday on Wednesday, this moving away north by midday on Thursday. New low expected FitzRoy 1004 by midday on Thursday, this expected Thames 993 by midday on Friday. New low expected Shannon 995 by midday on Friday. New low expected Fair Isle 995 by midday on Friday. Gales are expected FitzRoy on Tuesday evening, but die out by end of the day. Gales expected in FitzRoy, Sole, Fastnet and Shannon by midday Wednesday, but die out later in the day. Gales expected in FitzRoy by midday Thursday and are then expected to spread into Biscay by end of the day. These are expected to die out by midday on Friday. Gales are expected in FitzRoy, Sole and Shannon by midday Friday, but die out in Shannon later Friday. Widespread fog is not expected
Portpatrick
Low Forties 995 at 1800 on Tuesday losing its identity by midday on Wednesday. Low Faeroes 993 at 1800 on Tuesday expected Norwegian Basin 993 by midday on Wednesday, this moving away north by midday on Thursday. New low expected FitzRoy 1004 by midday on Thursday, this expected Thames 993 by midday on Friday. New low expected Shannon 995 by midday on Friday. New low expected Fair Isle 995 by midday on Friday. Gales are expected to develop in Fastnet, Shannon, Rockall, Malin, Hebrides and Bailey by midday on Wednesday. These are expected to die out by the end of Wednesday, but gales are expected to develop in Southeast Iceland by this time. These gales are expected to die out by midday on Thursday. Gales are expected to develop in Shannon by midday on Friday, but these are expected to die out later in the day. Widespread fog is 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
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