Y Tywydd Rhagolwg Estynedig

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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 Fri 29 May to 1800 UTC Mon 01 Jun Issued by the Met Office, on behalf of the Maritime and Coastguard Agency, at 272300 UTC

  1. Niton

    On Friday evening a slow-moving low 995, is expected to lie close to the north of the British Isles. A ridge of high pressure extends from a high centred in mid-Atlantic towards the south west British Isles and western Europe. Meanwhile a slack low pressure area lies over Iberia. During the weekend the low to the north of the British Isles is forecast to move eastwards into Scandinavia and fill, as a new low, 983, located to the south of Iceland by midday Sunday becomes the dominant feature for north west Europe. By midday on Monday, this low is expected to lie close to Ireland. Initially Niton will be largely clear of strong winds. However through Saturday winds will strengthen across the whole area as the new low approaches. By Sunday evening gales are likely to the south west of Ireland, these spreading to most of Niton during Monday.

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  2. Cullercoats

    On Friday evening a slow-moving low 995, is expected to lie close to the north of the British Isles. A ridge of high pressure extends from a high centred in mid-Atlantic towards the south west British Isles and western Europe. Meanwhile a slack low pressure area lies over Iberia. During the weekend the low to the north of the British Isles is forecast to move eastwards into Scandinavia and fill, as a new low, 983, located to the south of Iceland by midday Sunday becomes the dominant feature for north west Europe. By midday on Monday, this low is expected to lie close to Ireland. At the start of the period strong winds affecting only Fair Isle initially are likely to become more widespread for a time as the initial low moves away. Later Sunday and into Monday, strong winds are expected more widely, with a risk of gales through the English channel by the end of the period.

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  3. Portpatrick

    On Friday evening a slow-moving low 995, is expected to lie close to the north of the British Isles. A ridge of high pressure extends from a high centred in mid-Atlantic towards the south west British Isles and western Europe. Meanwhile a slack low pressure area lies over Iberia. During the weekend the low to the north of the British Isles is forecast to move eastwards into Scandinavia and fill, as a new low, 983, located to the south of Iceland by midday Sunday becomes the dominant feature for north west Europe. By midday on Monday, this low is expected to lie close to Ireland. At the start of the period strong winds affecting areas to the north and north west of the British Isles are expected to ease for a time. Late Saturday and into Sunday strong winds will return more widely across Portpatrick, strengthening to gale force by Monday across the south of the area.

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Last Updated at 23:32 UTC on Wednesday 27 May