Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1025 over Biscay Monday evening will drift east during the beginning of the week. At the same time high 1011 over Norwegian Sea moves east to be situated over northern Scandinavia by mid Tuesday, and continues east into Finland on Wednesday. Low 1001 over Norway on Monday evening will move away southeast into the Baltic Monday night as it loses its identity. Low 979 south of Iceland on Monday night moves northeast into Norwegian Basin during Tuesday. New low centre 1000 develops west of Rockall on Tuesday night, moving northeast and expected 999 over Faeroes on Wednesday night, and then 989 over southern Norwegian Basin by midday on Thursday. Another new low expected 974 over Iceland by midday on Thursday, slowly moving northeast. Gales are expected for a time in Fair Isle from early Tuesday, translating east into Viking, North Utsire and South Utsire on Tuesday evening, before easing for all early Wednesday
Niton
High 1025 over Biscay Monday evening will drift east during the beginning of the week. At the same time high 1011 over Norwegian Sea moves east to be situated over northern Scandinavia by mid Tuesday, and continues east into Finland on Wednesday. Low 1001 over Norway on Monday evening will move away southeast into the Baltic Monday night as it loses its identity. Low 979 south of Iceland on Monday night moves northeast into Norwegian Basin during Tuesday. New low centre 1000 develops west of Rockall on Tuesday night, moving northeast and expected 999 over Faeroes on Wednesday night, and then 989 over southern Norwegian Basin by midday on Thursday. Another new low expected 974 over Iceland by midday on Thursday, slowly moving northeast. No gales are expected during the forecast period, however strong winds or near gales possible at times, particularly in the north and west of the region
Portpatrick
High 1011 over Norwegian Sea Monday evening moves east to be situated over northern Scandinavia by mid Tuesday, and continues east into Finland on Wednesday. Low 979 south of Iceland on Monday night moves northeast into Norwegian Basin during Tuesday. New low centre 1000 develops west of Rockall on Tuesday night, moving northeast and expected 999 over Faeroes on Wednesday night, and then 989 over southern Norwegian Basin by midday on Thursday. Another new low expected 974 over Iceland by midday on Thursday, slowly moving northeast. Strong winds expected across most sea areas from Monday evening, with gales or severe gales developing in Fair Isle, Faeroes and South East Iceland from early Tuesday. Gales easing in north and strong winds easing elsewhere Tuesday afternoon, however risk of gales continues in South East Iceland until early Wednesday. Further strong winds or near gales expected to spread in from west Thursday, affecting all sea areas
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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