Met Office weather
Extended outlook
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 999 expected over Scandinavia on Monday evening, moving away northeast during Tuesday. High 1016 expected over Humber on Monday evening, declining southeast into the Continent during Monday night. New high 1020 expected over Biscay from midday on Tuesday, building 1024 over Biscay during Wednesday, before moving east into the Continent during Thursday. Low 995 expected west of Rockall by midday on Tuesday, moving northeast and expected 995 over Bailey by midday on Wednesday, and then 993 over Scandinavia by midday on Thursday. New low expected 998 west of Shannon by midday on Thursday, also moving northeast. No gales are expected during the forecast period, however strong winds expected to affect the northern North Sea from Monday evening, easing for all but Fair Isle overnight. Strong winds then expected to affect Fair Isle for the rest of the forecast, but no further strong winds expected elsewhere. Widespread fog may affect the North Sea for a time during Wednesday night
Niton
Low 999 expected over Scandinavia on Monday evening, moving away northeast during Tuesday. High 1016 expected over Humber on Monday evening, declining southeast into the Continent during Monday night. New high 1020 expected over Biscay from midday on Tuesday, building 1024 over Biscay during Wednesday, before moving east into the Continent during Thursday. Low 995 expected west of Rockall by midday on Tuesday, moving northeast and expected 995 over Bailey by midday on Wednesday, and then 993 over Scandinavia by midday on Thursday. New low expected 998 west of Shannon by midday on Thursday, also moving northeast. No gales are expected during the forecast period, however strong winds are currently expected to spread into Shannon during Tuesday night, before easing early Wednesday. Further strong winds are also likely to spread into western sea areas during Thursday. Widespread fog is likely to affect the region at times
Portpatrick
Low 999 expected over Scandinavia on Monday evening, moving away northeast during Tuesday. High 1016 expected over Humber on Monday evening, declining southeast into the Continent during Monday night. New high 1020 expected over Biscay from midday on Tuesday, building 1024 over Biscay during Wednesday, before moving east into the Continent during Thursday. Low 995 expected west of Rockall by midday on Tuesday, moving northeast and expected 995 over Bailey by midday on Wednesday, and then 993 over Scandinavia by midday on Thursday. New low expected 998 west of Shannon by midday on Thursday, also moving northeast. Strong winds are expected to spread into northern sea areas from Monday evening onwards, with gales possible in South East Iceland from Tuesday evening, and strong winds in Shannon until Wednesday morning. Gales then ease in South East Iceland by Wednesday evening, but strong winds continue in the north and further strong winds spread into the southwest during Thursday. Fog not expected
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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