Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 983 expected Norwegian Basin Saturday evening will gradually drift north and lose its identity Sunday. Deep low 956 expected southwest of Iceland Saturday evening, moving east and expected 954 south of Iceland midday Sunday, and then expected 969 South East Iceland midday Monday. Another new Atlantic low expected 972 west of Rockall midday Monday, quickly moves northeast during Monday afternoon and merges with previous low, becoming Low 962 over South East Iceland midday Tuesday. Strong winds are expected to spread in from the north and west on Sunday morning, with gales likely at times in Viking, North Utsire, South Utsire and Fair Isle until Sunday evening. Strong winds continue in the northwest into Monday, with gales developing again in Fair Isle from Monday morning onwards. Strong winds and near gales then spread southeast across the rest of the North Sea on Tuesday, with gales or severe gales in the far north at times. Widespread fog is not expected
Niton
Low 983 expected Norwegian Basin Saturday evening will gradually drift north and lose its identity Sunday. Deep low 956 expected southwest of Iceland Saturday evening, moving east and expected 954 south of Iceland midday Sunday, and then expected 969 South East Iceland midday Monday. Another new Atlantic low expected 972 west of Rockall midday Monday, quickly moves northeast during Monday afternoon and merges with previous low, becoming Low 962 over South East Iceland midday Tuesday. High 1025 expected to move east over Biscay midday on Monday and then into Continent Tuesday. Strong winds are expected to spread into the northwest of the region on Saturday night, with gales developing in Shannon from late Sunday morning onwards. Strong winds and near gales then gradually spread southeast across all areas but the Channel on Monday, with gales in Sole for a time, before strong winds and gales ease for all areas later Tuesday. Widespread fog is not expected
Portpatrick
Low 983 expected Norwegian Basin Saturday evening will gradually drift north and lose its identity Sunday. Deep low 956 expected southwest of Iceland Saturday evening, moving east and expected 954 south of Iceland midday Sunday, and then expected 969 South East Iceland midday Monday. Another new Atlantic low expected 972 west of Rockall midday Monday, quickly moves northeast during Monday afternoon and merges with previous low, becoming Low 962 over South East Iceland midday Tuesday. High 1025 expected to move east over Biscay midday on Monday and then into Continent Tuesday. Strong winds and near gales are expected to spread in from the west on Saturday evening, with gales in the north and west of the region at times, continuing for the rest of the forecast. Severe gales also possible in the west on Sunday night, and also in the north and west on Monday night. 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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