Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1026 west Humber at first, expected 1024 in Thames by noon Saturday, then 1028 in Humber by noon Sunday, before gradually filling with drifting southeast through Monday. Low 996 800 miles west of Ireland at first, expected 1001 to the west of Iceland by noon Sunday, before drifting west and losing its identity Monday. High 1020 in south Fitzroy at first, expected 1023 in north Fitzroy by noon Saturday, 1026 in Sole by noon Sunday, 1029 in Malin by noon Monday, before drifting north and declining later Monday. Low 996 over Finland by noon Saturday, expected 990 in northwest Russia by noon Sunday, then slow moving and deepening through the rest of the period. Low 1017 developing for a time in the Norwegian Basin Monday. No gales are expected but strong winds at times late Friday and through Saturday for Viking, North and South Utsire, Fisher and German Bight. Widespread fog is not expected
Niton
High 1026 west Humber at first, expected 1024 in Thames by noon Saturday, then 1028 in Humber by noon Sunday, before gradually filling with drifting southeast through Monday. Low 996 800 miles west of Ireland at first, expected 1001 to the west of Iceland by noon Sunday, before drifting west and losing its identity Monday. High 1020 in south Fitzroy at first, expected 1023 in north Fitzroy by noon Saturday, 1026 in Sole by noon Sunday, 1029 in Malin by noon Monday, before drifting north and declining later Monday. Low 996 over Finland by noon Saturday, expected 990 in northwest Russia by noon Sunday, then slow moving and deepening through the rest of the period. Low 1017 developing for a time in the Norwegian Basin Monday. No gales are expected but strong winds at times late Monday for Fitzroy. Widespread fog is not expected
Portpatrick
High 1026 west Humber at first, expected 1024 in Thames by noon Saturday, then 1028 in Humber by noon Sunday, before gradually filling with drifting southeast through Monday. Low 996 800 miles west of Ireland at first, expected 1001 to the west of Iceland by noon Sunday, before drifting west and losing its identity Monday. High 1020 in south Fitzroy at first, expected 1023 in north Fitzroy by noon Saturday, 1026 in Sole by noon Sunday, 1029 in Malin by noon Monday, before drifting north and declining later Monday. Low 996 over Finland by noon Saturday, expected 990 in northwest Russia by noon Sunday, then slow moving and deepening through the rest of the period. Low 1017 developing for a time in the Norwegian Basin Monday. No gales are expected but perhaps strong winds at times on Sunday in Faeroes and Southeast Iceland. Widespread fog is 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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