Y Tywydd Rhagolwg Estynedig

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Iaith

Mae'r cynnwys hwn ar gael yn Saesneg yn unig.

Map of extended outlook areas

Map Key

  • dark blue Niton
  • purple Cullercoats
  • dark green Portpatrick

Extended Outlooks 1800 UTC Tue 30 May to 1800 UTC Fri 02 Jun Issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 282300 UTC

  1. Niton

    During Tuesday evening and Wednesday a ridge of high pressure will build across the British Isles, becoming centred in the North Sea by Thursday morning. Low pressure over the North Sea and Scandinavia at first will migrate eastwards, while a deepening area of low pressure 987 will become centred in Mid-Atlantic. A similar pressure pattern will persist through Thursday and Friday with high pressure dominant in the North Sea, although an area of low pressure over Spain may extend northwards to the southwest approaches. During Tuesday evening and at first on Wednesday westerly winds may be strong for a time in Irish Sea, and Thames. Occasionally strong northeasterly winds are possible in Fitzroy, and becoming strong southeasterly in Sole and Shannon. Winds will become light or moderate in all sea areas later Thursday. On Friday, northwesterly winds may become strong in Atlantic sea areas

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  2. Cullercoats

    During Tuesday evening and Wednesday a ridge of high pressure will build across the British Isles, becoming centred in the North Sea by Thursday morning. Low pressure over the North Sea and Scandinavia at first will migrate eastwards, while a deepening area of low pressure 987 will become centred in Mid-Atlantic. A similar pressure pattern will persist through Thursday and Friday with high pressure dominant in the North Sea, although an area of low pressure over Spain may extend northwards to the southwest approaches. On Tuesday evening and Wednesday westerly winds will be occasionally strong in the North Sea, with gales possible for a time in South Utsire, Forties, Dogger, Fisher and German Bight. Northwesterly winds will be occasionally strong in easternmost sea areas on Thursday, becoming strong southeasterly later in Fair Isle later. Winds will moderate in the east on Friday, continuing strong in Fair Isle

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  3. Portpatrick

    During Tuesday evening and Wednesday a ridge of high pressure will build across the British Isles, becoming centred in the North Sea by Thursday morning. Low pressure over the North Sea and Scandinavia at first will migrate eastwards, while a deepening area of low pressure 987 will become centred in Mid-Atlantic. A similar pressure pattern will persist through Thursday and Friday with high pressure dominant in the North Sea, although an area of low pressure over Spain may extend northwards to the southwest approaches. On Tuesday evening and Wednesday morning winds may be occasionally strong in the north, before moderating. Strong southerly winds are expected to develop on Wednesday in Shannon, Rockall and Bailey, and Malin and Hebrides later. Gales are possible later in Rockall. Strong southeasterly winds are forecast in Atlantic sea areas on Thursday, with occasional gales in Bailey and Southeast Iceland, but moderating later in the south. Southeasterly winds may continue occasionally strong in the north on Friday

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Last Updated at 23:42 UTC on Sunday 28 May