Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low Hebrides 986 on Wednesday evening expected Fair Isle 991 by Thursday afternoon, then Finland 995 by Friday morning with high pressure building east over the Continent. New low expected 100 miles west of Rockall 998 on Friday before moving south and losing its identity on Saturday. New low expected Cromarty 1004 by Friday evening, expected southern Norway 999 on Saturday afternoon before moving away rapidly east. Strong winds expected in all areas at times throughout the period with some lulls between the areas of low pressure on Friday and later Saturday. Gales expected for a time in areas north of 56 degrees north on Thursday
Niton
Low Hebrides 986 on Wednesday evening expected Fair Isle 991 by Thursday afternoon, then Finland 995 by Friday morning with high pressure building east over the Continent. New low expected 100 miles west of Rockall 998 on Friday before moving south and losing its identity on Saturday. New low expected Cromarty 1004 by Friday evening, expected southern Norway 999 on Saturday afternoon before moving away rapidly east. Strong winds expected in all areas except Biscay on Wednesday evening and Thursday. Strong winds then easing through Friday and Saturday but are possible again in Shannon later on Saturday
Portpatrick
Low Hebrides 986 on Wednesday evening expected Fair Isle 991 by Thursday afternoon, then Finland 995 by Friday morning with high pressure building east over the Continent. New low expected 100 miles west of Rockall 998 on Friday before moving south and losing its identity on Saturday. New low expected Cromarty 1004 by Friday evening, expected southern Norway 999 on Saturday afternoon before moving away rapidly east. Strong winds expected in all areas at times throughout the period with some lulls between the areas of low pressure. Gales expected in Rockall, Malin, Hebrides, Bailey, Fair Isle, Faeroes and Southeast Iceland on Wednesday evening and early Thursday. Gales then possible again in Rockall, Malin and Hebrides later on Saturday
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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