Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 1006 lies west of Ireland late Monday while slow moving high lies across Scandinavia. Low 1008 drifts east over Ireland by midday Tuesday, while new low develops over the continent. This developing low 1000 moves north, lying over the Low Countries at midnight Wednesday as a trough extends west across Biscay. This trough gradually relaxes but the low 1000 moves into the North Sea, lying over Humber and German Bight by midday Wednesday. Low 1002 moves north, lying over Dogger at midnight on Thursday. Meanwhile high over Fitzroy and Biscay stretches north towards Iceland during Thursday as the low in North Sea gradually fills. Gales are not expected. Strong winds are possible at times on Wednesday and Thursday for S Utsire, Forties, Dogger, German Bight, Humber and Thames. Widespread fog is possible at times for the central and western North Sea from Tuesday onwards
Niton
Low 1006 lies west of Ireland late Monday while slow moving high lies across Scandinavia. Low 1008 drifts east over Ireland by midday Tuesday, while new low develops over the continent. This developing low 1000 moves north, lying over the Low Countries at midnight Wednesday as a trough extends west across Biscay. This trough gradually relaxes but the low 1000 moves into the North Sea, lying over Humber and German Bight by midday Wednesday. Low 1002 moves north, lying over Dogger at midnight on Thursday. Meanwhile high over Fitzroy and Biscay stretches north towards Iceland during Thursday as the low in North Sea gradually fills. Gales are not expected. Strong winds at times on Tuesday and Wednesday for parts of Sole, Fastnet and Shannon. Strong winds ease late Wednesday but may increase again on Thursday for parts of Fitzroy, Sole and Shannon. Widespread fog is not expected
Portpatrick
Low 1006 lies west of Ireland late Monday while slow moving high lies across Scandinavia. Low 1008 drifts east over Ireland by midday Tuesday, while new low develops over the continent. This developing low 1000 moves north, lying over the Low Countries at midnight Wednesday as a trough extends west across Biscay. This trough gradually relaxes but the low 1000 moves into the North Sea, lying over Humber and German Bight by midday Wednesday. Low 1002 moves north, lying over Dogger at midnight on Thursday. Meanwhile high over Fitzroy and Biscay stretches north towards Iceland during Thursday as the low in North Sea gradually fills. Gales are not expected. Strong winds at times on Tuesday and Wednesday for parts of Fastnet, Rockall and Shannon. Strong winds ease late Wednesday but may increase again on Thursday for Shannon and Rockall. Widespread fog is possible across northern areas on Tuesday and Wednesday
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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