Extended outlook

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

Cullercoats

Tuesday evening weak low, 1018, lies centred across the central North Sea, then moves northeast to become centred near Oslo by midday Wednesday, 1013. Meanwhile a slow moving large anticyclone, centred 56N 23W, extends a ridge eastwards across the Faeroes and the Norwegian Sea. This anticyclone builds to reach 1040 by midday Wednesday, before starting to decline through Thursday as it moves east. The ridge topples south across the North Sea later Thursday and into Friday, with a new high centre becoming established across the central North Sea, 1031 by midday Friday. Tuesday night strong winds are likely to develop across parts of the northern North Sea, then transfer eastwards to become mainly confined to the eastern North Sea through Wednesday afternoon and overnight, with isolated near gales possible across the extreme east. Meanwhile strong winds are likely to develop across the English Channel Wednesday evening. All strong winds gradually abate Thursday night


Niton

Tuesday evening weak low, 1018 is centred across the central North Sea, then moves northeast, slightly deepening. Meanwhile a slow moving large anticyclone, centred 56N 23W, extends a ridge eastwards across the Faeroes and the Norwegian Sea. This anticyclone builds to reach 1040 by midday Wednesday, before starting to decline through Thursday as it moves east. The ridge topples south across the North Sea later Thursday and into Friday, with a new high centre becoming established across the central North Sea, 1031 by midday Friday. Also Tuesday evening low, 1013, centred across Spain. Then little change until Wednesday evening when the weak low moves northwest while deepening, to lie 48N 21W by midday Friday, 1008. Strong winds or near gales are likely to develop north of 50 North on Wednesday evening, although probably not across the Irish Sea. Winds slowly ease Thursday afternoon across the west and Wednesday night through the English Channel


Portpatrick

Tuesday evening slow moving large anticyclone, centred 56N 23W, extends a ridge eastwards across the Faeroes and the Norwegian Sea. This anticyclone builds to reach 1040 by midday Wednesday, before starting to decline through Thursday as it moves east, becoming centred just west of Rockall by midday Thursday, 1036. The ridge topples south across the North Sea later Thursday and into Friday, with a new high centre becoming established across the central North Sea, 1031 by midday Friday. Also Tuesday evening low, 1013, centred across Spain. Then little change until Wednesday evening when the weak low moves northwest, to lie 48N 21W by midday Friday, 1008. Strong winds, perhaps near gales for South-East Iceland Wednesday afternoon and early Thursday, before easing. Wednesday evening strong winds develop across Lundy, Fastnet and Shannon, but probably not across the Irish Sea. There is a low risk of occasional near gale force winds across the far south, before the winds ease Thursday afternoon