Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 976 South East Iceland will clear east across the Norwegian Basin as a filling feature during Saturday. High 1038 north of the Azores extends a ridge north, to the west of Iceland Friday night. This ridge will move east across the UK and the North Sea Saturday into early Sunday as the high moves to northeast of Madeira while extending the ridge across Biscay and into northern Europe. Low 988 55N 050W Friday evening moves across the southeast of Iceland late Sunday before moving towards the Lofoten Islands Monday. Complex low 1012 40N 058W midday Saturday moves to south of Iceland, as a filling feature Monday. A further low 1016 46N 035W develops Monday afternoon as high 1033 42N 049W follows northeast. Gales spread to Fair Isle Friday night and Saturday and Viking for a time late Saturday. Further gales spread southeast from Fair Isle early Sunday to reach Thames Sunday night
Niton
Low 976 South East Iceland will clear east across the Norwegian Basin as a filling feature during Saturday. High 1038 north of the Azores extends a ridge north, to the west of Iceland Friday night. This ridge will move east across the UK and the North Sea Saturday into early Sunday as the high moves to northeast of Madeira while extending the ridge across Biscay and into northern Europe. Low 988 55N 050W Friday evening moves across the southeast of Iceland late Sunday before moving towards the Lofoten Islands Monday. Complex low 1012 40N 058W midday Saturday moves to south of Iceland, as a filling feature Monday. A further low 1016 46N 035W develops Monday afternoon as high 1033 42N 049W follows northeast. Gales affect Shannon for a time during Sunday, no further gales are expected this period
Portpatrick
Low 976 South East Iceland will clear east across the Norwegian Basin as a filling feature during Saturday. High 1038 north of the Azores extends a ridge north, to the west of Iceland Friday night. This ridge will move east across the UK and the North Sea Saturday into early Sunday as the high moves to northeast of Madeira while extending the ridge across Biscay and into northern Europe. Low 988 55N 050W Friday evening moves across the southeast of Iceland late Sunday before moving towards the Lofoten Islands Monday. Complex low 1012 40N 058W midday Saturday moves to south of Iceland, as a filling feature Monday. A further low 1016 46N 035W develops Monday afternoon as high 1033 42N 049W follows northeast. Gales, severe at times, affect the north Friday night into Saturday. Further gales spread to all but Lundy, Fastnet and the Irish Sea late Saturday into early Monday
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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