Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1035 expected over Scandinavia Saturday evening will gradually drift east during the forecast period. Low 996 expected over Wight Saturday evening, and begins to lose its identity as it moves east, expected 1004 over Thames midday Sunday, before filling in situ overnight Sunday. Multi-centred Atlantic low with primary centre 969 expected midday Sunday, moving east with primary centre expected 966 west of Shannon midday Monday, and then expected 977 over Fitzroy by midday on Tuesday, becoming slow moving. Widespread strong winds are expected across the northern and eastern North Sea from Saturday evening onwards, with gales in Viking and South Utsire for a time. Strong winds continue and eventually spread south and west on Monday, affecting all areas apart from the Channel, with gales developing across the North Sea from Monday afternoon onwards. Gales persist across North Sea into Tuesday, with strong winds elsewhere at times
Niton
High 1035 expected over Scandinavia Saturday evening will gradually drift east during the forecast period. Low 996 expected over Wight Saturday evening, and begins to lose its identity as it moves east, expected 1004 over Thames midday Sunday, before filling in situ overnight Sunday. Multi-centred Atlantic low with primary centre 969 expected midday Sunday, moving east with primary centre expected 966 west of Shannon midday Monday, and then expected 977 over Fitzroy by midday on Tuesday, becoming slow moving. Strong winds expected in the south and west of the area from Saturday evening will ease overnight. Further strong winds then spread in from the west from Sunday afternoon onwards, with gales developing in Fitzroy, Sole, Fastnet and Shannon on Sunday night, moderating for all but Shannon on Monday morning, and easing in Shannon on Monday afternoon. Strong winds remain in the south of the region into Tuesday, with gales in Fitzroy at times
Portpatrick
High 1035 expected over Scandinavia Saturday evening will gradually drift east during the forecast period. Low 996 expected over Wight Saturday evening, and begins to lose its identity as it moves east, expected 1004 over Thames midday Sunday, before filling in situ overnight Sunday. Multi-centred Atlantic low with primary centre 969 expected midday Sunday, moving east with primary centre expected 966 west of Shannon midday Monday, and then expected 977 over Fitzroy by midday on Tuesday, becoming slow moving. Strong winds affect most of the area at times from Saturday evening, but ease in the south overnight. Further strong winds are expected to spread in from the west on Sunday afternoon, with gales developing in Fastnet, Shannon, Rockall and Malin on Sunday night. Gales then ease for all but Rockall and Malin on Monday evening, before easing here on Monday night, but strong winds continue into Tuesday for all but far south
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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