Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 997 expected late on Wednesday over Fisher, moving across Norway and into the Norwegian Basin through Thursday. New low 983 expected midday Thursday over Shannon, moving east, expected midday Friday over central England 976, and late Friday over Dover 987. Low turns complex on Saturday, with centre 999 over German Bight. New low 976 expected late on Saturday just west of Rockall. Gales expected from late on Wednesday in South Utsire, Forties, Tyne, Dogger, Fisher, German Bight and Humber, moderating from the west early on Thursday. Gales expected again from late on Thursday in Humber, Thames, Dover and Wight, spreading northeast through Friday morning to also affect all areas except Viking, North Utsire, Cromarty and Fair Isle by midday Friday. Gales moderate Saturday morning. Strong winds expected in most areas for much of the period, though moderating for a time on Thursday afternoon in all areas, and generally remaining light in the far north until Friday
Niton
Low 997 expected late on Wednesday over Fisher, moving across Norway and into the Norwegian Basin through Thursday. New low 983 expected midday Thursday over Shannon, moving east, expected midday Friday over central England 976, and late Friday over Dover 987. Low turns complex on Saturday, with centre 999 over German Bight. New low 976 expected late on Saturday just west of Rockall. Gales expected from early Thursday in Biscay, Fitzroy and Sole, spreading northeast to affect all areas by late on Thursday. Gales moderate through Saturday morning, but return through Saturday afternoon for all areas except Thames, Dover, Wight and Portland. Strong winds are expected in most areas for much of the period, though moderating for a time on Thursday in Thames, Dover, Wight and Irish Sea
Portpatrick
Low 997 expected late on Wednesday over Fisher, moving across Norway and into the Norwegian Basin through Thursday. New low 983 expected midday Thursday over Shannon, moving east, expected midday Friday over central England 976, and late Friday over Dover 987. Low turns complex on Saturday, with centre 999 over German Bight. New low 976 expected late on Saturday just west of Rockall. Gales are expected from Thursday morning in Fastnet and Shannon, spreading northeast to also affect Lundy, Irish Sea, Rockall and Malin by Thursday evening. Gales moderate by midday Friday in Rockall and Malin, and moderate elsewhere on Saturday morning. Gales expected again from midday Saturday in Shannon and Rockall, spreading into all areas except Fair Isle by late on Saturday. Strong winds expected in most areas for much of the period, though moderating for a time on Thursday in Irish Sea and Malin, and remaining light in Hebrides and Fair Isle until Friday morning
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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