Coast and sea
Issued at: .
For the period to .
Extended outlook map
Cullercoats
Low 989 Rockall fills as a weak ridge pushes east Sunday evening. Low 963 55N 033W remains almost stationary as lows develop on the associated trough Monday night. Low 983 Biscay Monday night deepens 968 while passing north over the southwest of UK Tuesday. This low continues northwest across Ireland and into Rockall Wednesday. Low 976 Rockall Monday night tracks northwest to become complex south of Greenland Wednesday. High 1022 Jan Mayen Sunday evening retreats to the coast of Greenland Monday. High 1035 Gulf of Maine extends a ridge to High 1025 Canaries Sunday evening. These highs amalgamate west of the Canaries as a low 969 tracks northeast across Nova Scotia Tuesday. The high sinks slowly south as the low moves to south of Greenland Wednesday. Gales briefly affect western Fair Isle early Tuesday and Forties, Fisher, Dogger and northern Humber from the evening
Niton
Low 989 Rockall fills as a weak ridge pushes east Sunday evening. Low 963 55N 033W remains almost stationary as lows develop on the associated trough Monday night. Low 983 Biscay Monday night deepens 968 while passing north over the southwest of UK Tuesday. This low continues northwest across Ireland and into Rockall Wednesday. Low 976 Rockall Monday night tracks northwest to become complex south of Greenland Wednesday. High 1022 Jan Mayen Sunday evening retreats to the coast of Greenland Monday. High 1035 Gulf of Maine extends a ridge to High 1025 Canaries Sunday evening. These highs amalgamate west of the Canaries as a low 969 tracks northeast across Nova Scotia Tuesday. The high sinks slowly south as the low moves to south of Greenland Wednesday. Gales briefly affect southern Biscay Sunday evening and northwest of the region later. Gales Trafalgar to Biscay overnight into Tuesday, become severe by morning. Severe gales spread to northeast Tuesday morning. Further gales south Wednesday
Portpatrick
Low 989 Rockall fills as a weak ridge pushes east Sunday evening. Low 963 55N 033W remains almost stationary as lows develop on the associated trough Monday night. Low 983 Biscay Monday night deepens 968 while passing north over the southwest of UK Tuesday. This low continues northwest across Ireland and into Rockall Wednesday. Low 976 Rockall Monday night tracks northwest to become complex south of Greenland Wednesday. High 1022 Jan Mayen Sunday evening retreats to the coast of Greenland Monday. High 1035 Gulf of Maine extends a ridge to High 1025 Canaries Sunday evening. These highs amalgamate west of the Canaries as a low 969 tracks northeast across Nova Scotia Tuesday. The high sinks slowly south as the low moves to south of Greenland Wednesday. Gales reach western parts Sunday night, spreading east then north before easing down later Tuesday. Brief gales Hebrides and western Fair Isle Wednesday
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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