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 Fri 19 Dec to 1800 UTC Mon 22 Dec Issued by the Met Office, on behalf on the Maritime and Coastguard Agency, at 172300 UTC

  1. Niton

    On Friday evening high pressure centred just east of the Azores 1037 will remain slow moving with little change on pressure, and a broad ridge of high pressure is expected to extend across most waters of Niton. By the end of Saturday another area or high pressure is expected to be centred Biscay 1037. On Sunday pressure will continue to be low across northern waters of the Atlantic with a deep low becoming centred Iceland 973 by the start of Monday, however little overall change in pressure pattern is expected for the sea areas of Niton. By midday Monday high pressure 1033 will be centred western France, with a broad ridge extending towards the Azores. Through the period winds will be light across Biscay and Fitzroy. Westerly gales may affect Thames, Irish Sea and Shannon until Friday evening. Southwesterly gales will develop across Shannon on Sunday night, and may affect waters northwards of 50 North on Monday

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  2. Cullercoats

    A large area of low pressure centred in the Norwegian Sea 975 on Friday evening, will fill and move steadily away northeastwards during Saturday, allowing a ridge of high pressure to follow from the west. This ridge lying Wales to Fair Isle by the start of Sunday. The ridge will move towards the Baltic Sea on Sunday, as another deep Atlantic low becomes slow moving Iceland 973 by the start of Monday, before then moving slowly eastwards through the day. On Friday evening westerly gales or severe gales will affect all waters. On Saturday winds will veer more northwesterly with gales expected to become confined to German Bight by late evening. These gales will then ease soon after midnight. On Sunday strong southerly or southwesterly winds will develop with a risk of gales developing by evening northwards of 54 North. On Monday westerly gales or severe gales will affect southern waters, before perhaps extending further north by evening

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  3. Portpatrick

    A large area of low pressure centred in the Norwegian Sea 975 on Friday evening, will fill and move steadily away northeastwards during Saturday, allowing a ridge of high pressure to follow from the west. This ridge lying Wales to Fair Isle by the start of Sunday. The ridge will move towards the Baltic Sea on Sunday, as another deep Atlantic low becomes slow moving Iceland 973 by the start of Monday, before then moving slowly eastwards through the day. On Friday evening westerly or northwesterly gales or severe gales will affect most waters northwards of 52 North, before then easing from the west by Saturday afternoon. On Sunday morning westerly or southwesterly gales will move eastwards to reach most waters during the day. On Monday little overall change is expected, with gales expected for most waters and a risk of severe gales affecting waters northwards of 60 North

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Last Updated at 22:42 UTC on Wednesday 17 December