Met Office weather
Extended outlook
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low, 974 over northern Norwegian Sea late Monday moving east Tuesday. Weak high, 1022 over south of UK declining Tuesday as a low, 1017 develops over Biscay and south of UK. Low will deepen, 1002 as it moves to Denmark on Wednesday, before moving into the Baltic early Thursday. A complex low, 1004 will develop near Iceland Tuesday then fill as it moves eastwards across the Norwegian Basin Wednesday with a high, 1033 moving southeast to west of Fitzroy. A new high 1022 developing over Faeroes Wednesday then moving across the Norwegian Sea, 1020 on Thursday as a new low, 996 tracks east into Bailey. Strong winds all areas at first with gales over Viking, North Utsire, South Utsire, Forties and Fair Isle, but winds easing through Tuesday. Strong winds developing Thursday in all areas, except Wight and Fair Isle, with gales over North Utsire and South Utsire
Niton
Low, 974 over northern Norwegian Sea late Monday moving east Tuesday. Weak high, 1022 over south of UK declining Tuesday as a low, 1017 develops over Biscay and south of UK. Low will deepen, 1002 as it moves to Denmark on Wednesday, before moving into the Baltic early Thursday. A complex low, 1004 will develop near Iceland Tuesday then fill as it moves eastwards across the Norwegian Basin Wednesday with a high, 1033 moving southeast to west of Fitzroy and extending over Biscay Thursday. A new high 1022 developing over Faeroes Wednesday then moving across the Norwegian Sea, 1020 on Thursday as a new low, 996 tracks east into Bailey. Strong winds at first in Thames, Dover and Wight and developing over Fitzroy strong winds developing all areas through Wednesday and into Thursday, then easing from west, but gales later Thursday over Sole, Lundy, Fastnet and Shannon
Portpatrick
Low, 974 over northern Norwegian Sea late Monday moving east Tuesday. Weak high, 1022 over south of UK declining Tuesday as a low, 1017 develops over Biscay and south of UK. Low will deepen, 1002 as it moves to Denmark on Wednesday, before moving into the Baltic early Thursday. A complex low, 1004 will develop near Iceland Tuesday then fill as it moves eastwards across the Norwegian Basin Wednesday with a high, 1033 moving southeast to west of Fitzroy. A new high 1022 developing over Faeroes Wednesday then moving across the Norwegian Sea, 1020 on Thursday as a new low, 996 tracks east into Bailey. Strong winds all areas at first, except Irish Sea, Shannon and Malin, but gradually easing Tuesday. Strong winds for a time Wednesday in Lundy, Fastnet, Irish Sea, Shannon, Rockall and Malin. Strong winds developing all areas Thursday, with gales later, except in Irish Sea, Bailey and Faeroes
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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