Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1033 in Forties at first, expected 1035 in the western Baltic by noon Thursday, then 1025 in Poland by noon Saturday. Low 998 in the Denmark Straits at first, expected 1007 just west of Iceland by noon Thursday, tracking east to northeast while filling to lose its identity by Saturday. Low 1006 over northwest Iberia at first, expected 1011 in west Sole by noon Thursday, 1015 in Shannon by noon Friday, 1007 in Hebrides by noon Saturday 1002 Faeroes Saturday evening. New low 1007 developing near Orkney by noon Saturday, expected 1002 in the Norwegian Basin by Saturday evening. High 1021 becoming established just of Iceland by noon Friday, then 1020 in the Norwegian Basin by noon Saturday, declining eastwards by Saturday evening. Strong winds expected in Thames, Dover and Wight Wednesday evening and night, also in Viking, North Utsire and Fair Isles late Thursday and early Friday. Widespread fog is not expected
Niton
High 1033 in Forties at first, expected 1035 in the western Baltic by noon Thursday, then 1025 in Poland by noon Saturday. Low 998 in the Denmark Straits at first, expected 1007 just west of Iceland by noon Thursday, tracking east to northeast while filling to lose its identity by Saturday. Low 1006 over northwest Iberia at first, expected 1011 in west Sole by noon Thursday, 1015 in Shannon by noon Friday, 1007 in Hebrides by noon Saturday 1002 Faeroes Saturday evening. New low 1007 developing near Orkney by noon Saturday, expected 1002 in the Norwegian Basin by Saturday evening. High 1021 becoming established just of Iceland by noon Friday, then 1020 in the Norwegian Basin by noon Saturday, declining eastwards by Saturday evening. Strong winds expected in Thames, Dover, Wight, Portland, Plymouth, Sole, Lundy and Fastnet through to Thursday morning. Widespread fog is not expected
Portpatrick
High 1033 in Forties at first, expected 1035 in the western Baltic by noon Thursday, then 1025 in Poland by noon Saturday. Low 998 in the Denmark Straits at first, expected 1007 just west of Iceland by noon Thursday, tracking east to northeast while filling to lose its identity by Saturday. Low 1006 over northwest Iberia at first, expected 1011 in west Sole by noon Thursday, 1015 in Shannon by noon Friday, 1007 in Hebrides by noon Saturday 1002 Faeroes Saturday evening. New low 1007 developing near Orkney by noon Saturday, expected 1002 in the Norwegian Basin by Saturday evening. High 1021 becoming established just of Iceland by noon Friday, then 1020 in the Norwegian Basin by noon Saturday, declining eastwards by Saturday evening. Strong winds expected in Lundy, Fastnet and Irish Sea through to Thursday morning, also for a time in Faeroes on Saturday and in Southeast Iceland through to Friday morning. 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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