Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 982 Lundy moves into the Irish Sea as a filling feature Saturday evening. Low 980 54N 023W will fill steadily as it tracks southeast to reach the Irish Sea Sunday night before filling here by Monday morning. Low 1000 46N 053W deepens rapidly as it moves towards Iceland during Sunday. This low becomes slow moving in central parts of the North Atlantic Monday before beginning to move towards the southern UK during Tuesday. A further low 978 develops over Tyne Tuesday before moving to Forties by the evening. Low 975 southwest of Greenland Saturday evening will move southeast as a rapidly filling feature. High 1039 Great Lakes extends a ridge east to high 1029 northwest of the Canaries before declining in the west a low deepens 992 41N 068W Tuesday afternoon. Gales reach Fair Isle late on the 25th and 26th as well as South Utsire, Forties, Fisher, Dogger and German Bight during the 27th
Niton
Low 982 Lundy moves into the Irish Sea as a filling feature Saturday evening. Low 980 54N 023W will fill steadily as it tracks southeast to reach the Irish Sea Sunday night before filling here by Monday morning. Low 1000 46N 053W deepens rapidly as it moves towards Iceland during Sunday. This low becomes slow moving in central parts of the North Atlantic Monday before beginning to move towards the southern UK during Tuesday. A further low 978 develops over Tyne Tuesday before moving to Forties by the evening. Low 975 southwest of Greenland Saturday evening will move southeast as a rapidly filling feature. High 1039 Great Lakes extends a ridge east to high 1029 northwest of the Canaries before declining in the west a low deepens 992 41N 068W Tuesday afternoon. Gales reach northern Biscay, Fitzroy, Sole, Fastnet and Shannon on the 25th and Trafalgar, south and northwest Fitzroy, Sole and Shannon on the 26th
Portpatrick
Low 982 Lundy moves into the Irish Sea as a filling feature Saturday evening. Low 980 54N 023W will fill steadily as it tracks southeast to reach the Irish Sea Sunday night before filling here by Monday morning. Low 1000 46N 053W deepens rapidly as it moves towards Iceland during Sunday. This low becomes slow moving in central parts of the North Atlantic Monday before beginning to move towards the southern UK during Tuesday. A further low 978 develops over Tyne Tuesday before moving to Forties by the evening. Low 975 southwest of Greenland Saturday evening will move southeast as a rapidly filling feature. High 1039 Great Lakes extends a ridge east to high 1029 northwest of the Canaries before declining in the west a low deepens 992 41N 068W Tuesday afternoon. Gales reach Shannon, Hebrides and Fair Isle on the 25th spreading over the whole region from the 26th
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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