Met Office weather
Extended outlook
Issued at: .
For the period to .
Extended outlook map
Cullercoats
High 1020 Forties moves into southern Scandinavia during Thursday before clearing southeast across the Baltic Sea Friday. During this time Low 1008 Biscay becomes complex while moving towards the Celtic Sea. This low continues north across the western UK Friday before moving northeast across the Norwegian Basin, as a filling feature, during Saturday. Low 1000 Nova Scotia Wednesday evening deepens as it tracks northeast to be Low 987 south of Iceland Saturday evening. High 1025 38N 042W Wednesday evening moves slowly towards the Azores while extending a ridge north. This ridge moves to south of Iceland by early Friday before declining during the day. This leaves the high slow moving near the Azores as it extends a ridge east into Biscay through the rest of the period. Complex low 1000 north of Iceland Wednesday evening moves slowly towards Svalbard during this period. Strong winds briefly affect Viking, North Utsire and Forties Friday night, no gales are expected
Niton
High 1020 Forties moves into southern Scandinavia during Thursday before clearing southeast across the Baltic Sea Friday. During this time Low 1008 Biscay becomes complex while moving towards the Celtic Sea. This low continues north across the western UK Friday before moving northeast across the Norwegian Basin, as a filling feature, during Saturday. Low 1000 Nova Scotia Wednesday evening deepens as it tracks northeast to be Low 987 south of Iceland Saturday evening. High 1025 38N 042W Wednesday evening moves slowly towards the Azores while extending a ridge north. This ridge moves to south of Iceland by early Friday before declining during the day. This leaves the high slow moving near the Azores as it extends a ridge east into Biscay through the rest of the period. Complex low 1000 north of Iceland Wednesday evening moves slowly towards Svalbard during this period. Strong to near gales affect the north at times through the period, no gales are expected
Portpatrick
High 1020 Forties moves into southern Scandinavia during Thursday before clearing southeast across the Baltic Sea Friday. During this time Low 1008 Biscay becomes complex while moving towards the Celtic Sea. This low continues north across the western UK Friday before moving northeast across the Norwegian Basin, as a filling feature, during Saturday. Low 1000 Nova Scotia Wednesday evening deepens as it tracks northeast to be Low 987 south of Iceland Saturday evening. High 1025 38N 042W Wednesday evening moves slowly towards the Azores while extending a ridge north. This ridge moves to south of Iceland by early Friday before declining during the day. This leaves the high slow moving near the Azores as it extends a ridge east into Biscay through the rest of the period. Complex low 1000 north of Iceland Wednesday evening moves slowly towards Svalbard during this period. Gales build into Shannon and Rockall Saturday; no further gales are expected during this 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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