Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High Gulf of Bothnia 1029 at 1800 on Tuesday, slow moving, expected 1028 by midday on Wednesday then 1024 by midday on Thursday, intensifying 1025 by midday on Friday. New low expected Faeroes 993 by midday on Thursday, this moving away north or northwest by midday on Friday. New low expected Shannon 980 by midday on Friday. Gales are expected in all areas except Thames, Dover and Wight on Tuesday evening. These gales are expected to die out in Forth, Tyne and Humber by midday on Wednesday and are then expected to die out in Viking, North Utsire and Cromarty by midday on Thursday. The gales are expected to die out in Fair Isle by late on Thursday. Gales are expected to develop in Cromarty and Fair Isle later on Friday, but are expected to die out in Dogger and German Bight by this time. Widespread fog is not expected
Niton
High Gulf of Bothnia 1029 at 1800 on Tuesday, slow moving, expected 1028 by midday on Wednesday then 1024 by midday on Thursday, intensifying 1025 by midday on Friday. New low expected Faeroes 993 by midday on Thursday, this moving away north or northwest by midday on Friday. New low expected Shannon 980 by midday on Friday. Gales are expected in FitzRoy and Shannon on Tuesday evening. These are expected to spread into Biscay by midday on Wednesday, but are expected to die out in Shannon. The gales in Biscay and FitzRoy are expected to die out by late on Wednesday. Gales are expected to develop in FitzRoy and Shannon by midday on Thursday and are then expected to spread into Biscay and Fastnet by the end of the day. These gales are expected to die out by midday on Friday. Gales may develop in the far west of FitzRoy later Friday. Widespread fog is not expected
Portpatrick
High Gulf of Bothnia 1029 at 1800 on Tuesday, slow moving, expected 1028 by midday on Wednesday then 1024 by midday on Thursday, intensifying 1025 by midday on Friday. New low expected Faeroes 993 by midday on Thursday, this moving away north or northwest by midday on Friday. New low expected Shannon 980 by midday on Friday. Gales are expected in all areas except Lundy, Fastnet and Irish Sea on Tuesday evening. These gales are expected to die out in Shannon and Malin by midday on Wednesday then in Rockall, Hebrides and Southeast Iceland later in the day. Gales are expected to develop in Shannon, Rockall, Malin and Southeast Iceland by midday on Thursday and then spread into Fastnet later in the day as the gales in Bailey, Fair Isle, Faeroes and Southeast Iceland ease. Gales are expected to ease in all areas by midday on Friday. Gales are expected in Fair Isle later Friday. 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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