Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1041 expected over Scandinavia from Wednesday evening, slowly moving west and expected 1040 over the North Sea by midday on Thursday. High then merging with an Atlantic high pressure on Friday and expected 1036 over northern UK by midday on Friday before strengthening again, and expected 1047 over northwest UK and surrounding waters by midday on Saturday. Low 1011 expected over southern Fitzroy by midday on Friday, sinking south and expected 1010 over Trafalgar by midday on Saturday. No gales are expected during the forecast period, however strong winds and near gales likely in Dogger, German Bight, Humber, Thames, Dover and Wight from Wednesday evening onwards, before gradually easing for all sea areas during Thursday night. Strong winds possible for a time in North Utsire, South Utsire, Fisher, German Bight, Humber and Thames on Saturday. Widespread fog is not expected during the forecast period
Niton
High 1041 expected over Scandinavia from Wednesday evening, slowly moving west and expected 1040 over the North Sea by midday on Thursday. High then merging with an Atlantic high pressure on Friday and expected 1036 over northern UK by midday on Friday before strengthening again, and expected 1047 over northwest UK and surrounding waters by midday on Saturday. Low 1011 expected over southern Fitzroy by midday on Friday, sinking south and expected 1010 over Trafalgar by midday on Saturday. No gales are expected during the forecast period, however strong winds and near gales likely in Thames, Dover, Wight Portland, Plymouth, Biscay, Fitzroy, Sole, Lundy and Fastnet from Wednesday evening onwards, as well as Irish Sea from Thursday afternoon, before gradually easing for all sea areas apart from Biscay, Fitzroy and Sole during Thursday night. Widespread fog is not expected during the forecast period
Portpatrick
High 1041 expected over Scandinavia from Wednesday evening, slowly moving west and expected 1040 over the North Sea by midday on Thursday. High then merging with an Atlantic high pressure on Friday and expected 1036 over northern UK by midday on Friday before strengthening again, and expected 1047 over northwest UK and surrounding waters by midday on Saturday. Low 1011 expected over southern Fitzroy by midday on Friday, sinking south and expected 1010 over Trafalgar by midday on Saturday. Gales possible for a time in South East Iceland on Wednesday evening, with strong winds and near gales likely in Lundy, Fastnet, Bailey and Faeroes from Wednesday evening onwards, as well as Irish Sea from Thursday afternoon, before gradually easing for all sea areas apart from Bailey, Faeroes and South East Iceland during Thursday night. Strong winds then ease in remaining sea areas on Friday evening. Widespread fog is not expected during the forecast period
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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