Met Office weather
Extended outlook
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low central Norwegian Basin 998 at 1800 on Tuesday expected eastern Norwegian Basin 996 by midday on Wednesday, this then moving away east by midday on Thursday. Low just west of Shannon 1007 at 1800 on Tuesday expected to lose its identity by midday on Wednesday. New high expected Biscay 1025 by midday on Wednesday, slow moving with little change by midday on Thursday then expected 1023 by midday on Friday. New low expected 150 miles south of Iceland 982 by midday on Thursday, then expected north Bailey 989 by midday on Friday. Gales not expected. Strong winds expected in all areas on Tuesday evening, but these die out by Wednesday evening. Strong winds expected in Cromarty and Fair Isle late Wednesday, and are expected to spread to all other areas by midday Thursday. These expected to die out in all areas later Thursday. Strong winds expected to develop in all areas through Friday. Widespread fog not expected
Niton
Low central Norwegian Basin 998 at 1800 on Tuesday expected eastern Norwegian Basin 996 by midday on Wednesday, this then moving away east by midday on Thursday. Low just west of Shannon 1007 at 1800 on Tuesday expected to lose its identity by midday on Wednesday. New high expected Biscay 1025 by midday on Wednesday, slow moving with little change by midday on Thursday then expected 1023 by midday on Friday. New low expected 150 miles south of Iceland 982 by midday on Thursday, then expected north Bailey 989 by midday on Friday. Gales not expected. Strong winds expected in all areas except Biscay on Tuesday evening, but these are expected to become confined to Shannon by end of Wednesday. Strong winds expected in Thames, Dover, Wight, Portland, FitzRoy, Sole and Irish Sea by midday Thursday. These expected to become confined to Shannon late Thursday. Strong winds expected in all areas at times on Friday. Widespread fog not expected
Portpatrick
Low central Norwegian Basin 998 at 1800 on Tuesday expected eastern Norwegian Basin 996 by midday on Wednesday, this then moving away east by midday on Thursday. Low just west of Shannon 1007 at 1800 on Tuesday expected to lose its identity by midday on Wednesday. New high expected Biscay 1025 by midday on Wednesday, slow moving with little change by midday on Thursday then expected 1023 by midday on Friday. New low expected 150 miles south of Iceland 982 by midday on Thursday, then expected north Bailey 989 by midday on Friday. Strong winds expected in all areas on Tuesday evening, with gales expected to develop in Rockall, Hebrides, Bailey, Faeroes and Southeast Iceland by late Wednesday. The gales are expected to become confined to Rockall by late on Thursday. The gales are expected to spread into Malin, Hebrides, Bailey and Faeroes by midday on Friday then into Southeast Iceland late in the day. Widespread 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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