Weather Extended Outlook

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Map of extended outlook areas

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  • dark blue Niton
  • purple Cullercoats
  • dark green Portpatrick

Extended Outlooks 1800 UTC Thu 28 Aug to 1800 UTC Sun 31 Aug Issued by the Met Office, on behalf on the Maritime and Coastguard Agency, at 262300 UTC

  1. Niton

    Low 983 centred over Rockall on Thursday evening is expected to move slowly east as a filling feature, to be centred over Hebrides on Friday evening, and northern Scotland by midday Saturday before drifting northeast into Fair Isle on Sunday and losing its identity. Anticyclone 1020 is expected centred just to the southwest of Fitzroy on Thursday evening with a ridge extending northeast into Biscay. By midday Saturday the high is expected to be centred over Fitzroy, moving northeast to be centred over Brittany by Sunday evening. An active frontal trough is likely to move east through Sole, Lundy, Fastnet, Irish Sea, and Shannon on Sunday afternoon. Low pressure is expected to persist across the Iberian Peninsular throughout the forecast period. Gale force winds in Shannon on Thursday evening will ease by Friday morning. Strong winds in Sole, Lundy, Fastnet, Irish Sea, and Shannon will moderate by late Friday evening then increase again in Sole and Shannon on Sunday

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  2. Cullercoats

    On Thursday evening high pressure will extend from the Norwegian Basin southeast into eastern Europe, with a low 983 centred over Rockall. The low is expected to move slowly east as a filling feature, to be centred over Hebrides on Friday evening, and northern Scotland by midday Saturday before drifting northeast into Fair Isle on Sunday and losing its identity. A weak ridge of high pressure is expected to build north into the English Channel during Friday and Saturday, and strengthen during Sunday as an anticyclone moves north to be centred over Brittany by Sunday evening. Winds are likely to be strong at times through Forties, Cromarty, and Fair Isle on Thursday evening, then over Viking, North Utsire, South Utsire, and Fisher on Friday and Saturday before weakening by Saturday evening. Strong winds are unlikely elsewhere in the Cullercoats are during the forecast period

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  3. Portpatrick

    Low 983 centred over Rockall on Thursday evening is expected to move slowly east as a filling feature, to be centred over Hebrides on Friday evening, and northern Scotland by midday Saturday before drifting northeast into Fair Isle on Sunday and losing its identity. A further large and deep low is expected in the north Atlantic later in the period, current indications are for it to centred in the East Northern Section by Sunday evening. High pressure centred to the north of the Norwegian Basin on Thursday evening is expected to persist through the forecast period. Gale to near gale force winds over Shannon, south Rockall, Malin, south Hebrides, and south Bailey on Thursday evening will moderate in the north overnight, and moderate in Shannon, south Rockall, and Malin from the southwest during Friday. Further strong to near gale force winds are likely to move north through Rockall and Bailey on Sunday, reaching Southeast Iceland in the evening

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Last Updated at 23:34 UTC on Tuesday 26 August