Met Office

Extended Outlook Forecast

1800 UTC Fri 25 Jul until 1800 UTC Mon 28 Jul

Issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 232300 UTC

Portpatrick

On Friday evening an anticyclone centred 1025 over the Norwegian basin maintains a ridge of high pressure across most of the British Isles, and over sea areas Bailey Faeroes and South East Iceland. This anticyclone gradually declines and moves away north overnight Friday into Saturday, though a new anticyclone builds over the eastern Atlantic at the same time, maintaining high pressure across most of the British Isles and the North Sea through Saturday and into Sunday. A new low develops in the Norwegian Basin during Sunday, centred 1004 north Norwegian Basin by late Sunday, then deepens rapidly and moves northeast overnight Sunday into Monday, centred 997 approximately northern Norway by Monday evening. Fog banks are likely across sea area Fair Isle during Friday and Saturday. Strong westerly winds are possible in Fair Isle Faeroes and South East Iceland on Sunday.

Cullercoats

On Friday evening an anticyclone centred 1025 over the Norwegian basin maintains high pressure across the North Sea and most of the British Isles. This anticyclone gradually declines overnight Friday into Saturday, though a new anticyclone builds over the eastern Atlantic at the same time, maintaining high pressure across most of the British Isles and the North Sea through Saturday and into Sunday. A new low develops in the Norwegian Basin during Sunday, centred 1004 north Norwegian Basin by late Sunday, then deepens rapidly and moves northeast overnight Sunday into Monday, centred 997 approximately northern Norway by Monday evening. Fog banks are likely across the North Sea during Friday and Saturday, especially north of 55 North. Strong northeasterly winds are possible through the Dover Strait on Friday and Saturday. Strong westerly winds are possible in Fair Isle Faeroes and South East Iceland on Sunday. Strong northerly winds may develop in the eastern North Sea during Monday

Niton

On Friday evening an anticyclone centred 1025 over the Norwegian basin maintains high pressure across the North Sea and most of the British Isles. A very broad area of shallow low pressure centred over continental Europe lies across the far south of the North Sea, the English Channel, and the bay of Biscay. The anticyclone declines into Saturday, however a new anticyclone builds over the eastern Atlantic at the same time, maintaining high pressure across most of the British Isles and the North Sea through to Monday. A slow-moving low develops over Spain overnight Saturday, centred 1007 by midday Sunday, and lies across sea areas Biscay Trafalgar Fitzroy and Sole, as well as most of the English Channel. Fog banks are likely across the North Sea during Friday and Saturday. Strong northerly winds are possible in south Fitzroy on Friday Saturday and Sunday, and strong northeasterly winds are possible through the Dover Strait on Friday and Saturday


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