Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 1002 lies over Germany late Tuesday and extends across the British Isles, while high pressure lies slow moving across Scandinavia. Low 998 develops over the continent and moves northwest, lying over the Low countries at midday on Wednesday. Meanwhile high pressure in the Atlantic stretches north. This high 1026 continues to stretch north or northeast to the west of the British Isles, while low 1002 moves into the North Sea, lying over Dogger at midnight on Thursday. Low 1004 continues to move north or northwest during Thursday, lying over Forties at midnight Friday. Low 1010 then moves west or northwest and gradually begins to fill over Scotland during Friday. Meanwhile high 1028 moves northeast over Faeoes and the Norwegian Sea. Gales are not expected. Strong winds on Wednesday for Fisher, German Bight and Fair Isle. Strong winds at times on Thursday also for Viking, Forties, Cromarty, Forth, Tyne, Dogger and Humber, then easing on Friday
Niton
Low 1002 lies over Germany late Tuesday and extends across the British Isles, while high pressure lies slow moving across Scandinavia. Low 998 develops over the continent and moves northwest, lying over the Low countries at midday on Wednesday. Meanwhile high pressure in the Atlantic stretches north. This high 1026 continues to stretch north or northeast to the west of the British Isles, while low 1002 moves into the North Sea, lying over Dogger at midnight on Thursday. Low 1004 continues to move north or northwest during Thursday, lying over Forties at midnight Friday. Low 1010 then moves west or northwest and gradually begins to fill over Scotland during Friday. Meanwhile high 1028 moves northeast over Faeoes and the Norwegian Sea. Gales are not expected. Strong winds on Wednesday for parts of Fitzroy, Sole and Shannon, easing by Thursday. Widespread fog is not expected
Portpatrick
Low 1002 lies over Germany late Tuesday and extends across the British Isles, while high pressure lies slow moving across Scandinavia. Low 998 develops over the continent and moves northwest, lying over the Low countries at midday on Wednesday. Meanwhile high pressure in the Atlantic stretches north. This high 1026 continues to stretch north or northeast to the west of the British Isles, while low 1002 moves into the North Sea, lying over Dogger at midnight on Thursday. Low 1004 continues to move north or northwest during Thursday, lying over Forties at midnight Friday. Low 1010 then moves west or northwest and gradually begins to fill over Scotland during Friday. Meanwhile high 1028 moves northeast over Faeoes and the Norwegian Sea. Gales are not expected. Strong winds at times on Wednesday for Rockall, Malin, Hebrides and Fair Isle. Strong winds ease for all but Fair Isles on Thursday
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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