Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Azores High 1031 stretches a ridge into Fitzroy from Tuesday evening, before declining southwards into the continent on Wednesday. Low expected 948 southwest of Iceland midday Wednesday, gradually moving northeast and expected 963 south of Iceland by midday Thursday, and then expected 973 over South East Iceland by midday Friday. Another low expected 991 over Sole midday Thursday, moving northeast and expected 987 over Fastnet by midnight Thursday, before filling in situ Friday. Developing low expected 986 west of Rockall midday Friday, moving east as continues to deepen. Strong winds expected in northern North Sea briefly Tuesday evening. Further strong winds then spread in from the west from Wednesday morning affecting all sea areas by Wednesday evening, with gales in north and west until Wednesday afternoon. Strong winds then continue to affect much of the North Sea and English Channel at times during the remainder of the forecast period
Niton
Azores High 1031 stretches a ridge into Fitzroy from Tuesday evening, before declining southwards into the continent on Wednesday. Low expected 948 southwest of Iceland midday Wednesday, gradually moving northeast and expected 963 south of Iceland by midday Thursday, and then expected 973 over South East Iceland by midday Friday. Another low expected 991 over Sole midday Thursday, moving northeast and expected 987 over Fastnet by midnight Thursday, before filling in situ Friday. Developing low expected 986 west of Rockall midday Friday, moving east as continues to deepen. Strong winds expected to gradually spread in from the northwest from Tuesday evening onwards, with gales in far northwest of the region at first. Strong winds then ease in the northwest Wednesday night, but continue in south and east, with gales expected in Plymouth, Biscay, Fitzroy, Sole and Lundy from Thursday morning, and also in Shannon from Thursday afternoon, before gales ease for all Friday and strong winds ease in south
Portpatrick
Azores High 1031 stretches a ridge into Fitzroy from Tuesday evening, before declining southwards into the continent on Wednesday. Low expected 948 southwest of Iceland midday Wednesday, gradually moving northeast and expected 963 south of Iceland by midday Thursday, and then expected 973 over South East Iceland by midday Friday. Another low expected 991 over Sole midday Thursday, moving northeast and expected 987 over Fastnet by midnight Thursday, before filling in situ Friday. Developing low expected 986 west of Rockall midday Friday, moving east as continues to deepen. Strong winds and gales spread in from the southwest from Tuesday evening onwards affecting most of the area. Strong winds and gales then ease in the south on Wednesday night and gales become confined to western sea areas in the north. Further gales expected in Shannon from Thursday afternoon, before gales ease for all Friday
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.
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