Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

High pressure to the north and lower pressure to the south will maintain a gentle east to northeasterly airflow across the British Isles during the next couple of days.

* Wind or gale warning issued

  1. From Cape Wrath to Rattray Head including Orkney

    From Cape Wrath to Rattray Head including Orkney

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast, veering southeast later, 3 or 4, increasing 5 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Fog patches developing.
    • Visibility

      Moderate or good, occasionally very poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Southeast 3 or 4, backing east or northeast 4 or 5 for a time.
    • Sea State

      Slight, occasionally moderate except in Moray Firth.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 05:00 UTC on Friday 27th May

  2. Rattray Head to Berwick on Tweed

    Rattray Head to Berwick on Tweed

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Easterly or northeasterly 3 or 4, occasionally variable 2 in south.
    • Sea State

      Slight.
    • Weather

      Rain at first in south, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East 3 or 4, becoming variable 3 or less later.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 05:00 UTC on Friday 27th May

  3. Berwick on Tweed to Whitby

    Berwick on Tweed to Whitby

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Variable mainly east 3 or less.
    • Sea State

      Slight.
    • Weather

      Occasional drizzle at first, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East, backing north later, 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 05:00 UTC on Friday 27th May

  4. Whitby to Gibraltar Point

    Whitby to Gibraltar Point

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Variable mainly easterly 2 or 3, occasionally 4 in south.
    • Sea State

      Slight.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East 2 or 3 backing north 3 or 4.
    • Sea State

      Slight.
    • Weather

      Fog patches, thundery showers developing.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 05:00 UTC on Friday 27th May

  5. Gibraltar Point to North Foreland

    Gibraltar Point to North Foreland

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Northeasterly 3 or 4, increasing 5 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Northeasterly 3 or 4, backing northerly 4 or 5 later.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 05:00 UTC on Friday 27th May

  6. North Foreland to Selsey Bill

    North Foreland to Selsey Bill

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Northeasterly 3 or 4, occasionally 5 in east, becoming variable 2 at times in west.
    • Sea State

      Slight or moderate in east, slight in west.
    • Weather

      Showers, thundery later.
    • Visibility

      Moderate or good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Northeasterly 3 or 4, occasionally variable 2 at first in west, then backing northerly 4 or 5 later.
    • Sea State

      Slight, occasionally moderate in east.
    • Weather

      Showers then fair.
    • Visibility

      Good, occasionally poor.

    Issued at 05:00 UTC on Friday 27th May

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast 3 or 4 becoming variable 3 or less.
    • Sea State

      Slight, becoming smooth or slight.
    • Weather

      Showers, thundery later.
    • Visibility

      Moderate or good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Variable 3 or less, becoming north 3 or 4 later.
    • Sea State

      Smooth or slight.
    • Weather

      Showers then fair.
    • Visibility

      Good, occasionally poor.

    Issued at 05:00 UTC on Friday 27th May

  8. Lyme Regis to Lands End including the Isles of Scilly

    Lyme Regis to Lands End including the Isles of Scilly

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast 3 or 4 becoming variable 3 or less.
    • Sea State

      Slight, becoming smooth or slight in east.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Variable 3 or less, becoming north 3 or 4 later.
    • Sea State

      Smooth or slight in east, slight in west.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally poor.

    Issued at 05:00 UTC on Friday 27th May

  9. Lands End to St Davids Head including the Bristol Channel

    Lands End to St Davids Head including the Bristol Channel

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Easterly or northeasterly, but becoming variable in west, 3 or 4, occasionally 5 in east.
    • Sea State

      Slight.
    • Weather

      Rain or thundery showers.
    • Visibility

      Good, occasionally poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Variable 3 or 4, occasionally easterly 5 at first in Bristol Channel.
    • Sea State

      Slight.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    Issued at 05:00 UTC on Friday 27th May

  10. St Davids Head to Great Ormes Head, including St Georges Channel

    St Davids Head to Great Ormes Head, including St Georges Channel

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast 3 or 4, occasionally 5 later.
    • Sea State

      Slight.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East or northeast 3 or 4, occasionally 5 at first, becoming variable 2 at times later.
    • Sea State

      Slight.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    Issued at 05:00 UTC on Friday 27th May

  11. Great Ormes Head to the Mull of Galloway

    Great Ormes Head to the Mull of Galloway

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Easterly or northeasterly 3 or 4, occasionally variable 2 at first, increasing 5 at times later in north.
    • Sea State

      Slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East or northeast 3 or 4, becoming variable 2 at times.
    • Sea State

      Slight.
    • Weather

      Showers, perhaps thundery.
    • Visibility

      Moderate or good.

    Issued at 05:00 UTC on Friday 27th May

  12. Isle of Man

    Isle of Man

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Variable mainly northeast 3 or less, increasing 4 at times.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East or northeast 3 or 4, becoming variable 2 at times.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 05:00 UTC on Friday 27th May

  13. Lough Foyle to Carlingford Lough

    Lough Foyle to Carlingford Lough

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Easterly or northeasterly 3 or 4, occasionally 5 in north, becoming variable 2 at times in south.
    • Sea State

      Slight, occasionally moderate in north.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East or northeast 3 or 4 becoming variable 3 or less.
    • Sea State

      Slight.
    • Weather

      Showers.
    • Visibility

      Moderate or good.

    Issued at 05:00 UTC on Friday 27th May

  14. The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel

    The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast 3 or 4, increasing 5 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Mainly fair.
    • Visibility

      Good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East or northeast 3 or 4, becoming variable 3 or less for a time.
    • Sea State

      Slight.
    • Weather

      Fair then showers.
    • Visibility

      Good.

    Issued at 05:00 UTC on Friday 27th May

  15. Mull of Kintyre to Ardnamurchan Point

    Mull of Kintyre to Ardnamurchan Point

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      East or northeast 3 or 4, becoming variable 2 at times.
    • Sea State

      Slight.
    • Weather

      Mainly fair.
    • Visibility

      Good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      East 3 or 4 becoming variable 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Fair then showers.
    • Visibility

      Moderate or good.

    Issued at 05:00 UTC on Friday 27th May

  16. The Minch

    The Minch

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Variable 3 or less, increasing 4 at times.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Variable 3 or less, increasing 4 at times.
    • Sea State

      Smooth or slight.
    • Weather

      Fair then showers, fog patches later.
    • Visibility

      Moderate or good, occasionally very poor later.

    Issued at 05:00 UTC on Friday 27th May

  17. Ardnamurchan Point to Cape Wrath including the Outer Hebrides

    Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Easterly 4 or 5 at first in north, otherwise variable 2 or 3, increasing 4 at times.
    • Sea State

      Slight, occasionally moderate until later in north.
    • Weather

      Fair.
    • Visibility

      Good.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Variable 3 or less, increasing 4 at times.
    • Sea State

      Slight.
    • Weather

      Fair then showers, fog patches later.
    • Visibility

      Moderate or good, occasionally very poor later.

    Issued at 05:00 UTC on Friday 27th May

  18. Shetland Isles * warning

    Shetland Isles

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Northeast 3 or 4 becoming variable 3 or less.
    • Sea State

      Slight.
    • Weather

      Fog patches in east.
    • Visibility

      Moderate or good, occasionally very poor in east.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 05:00 UTC on Friday 27th May

    For coastal areas up to 60 nautical miles from Lerwick, Shetland

    Gale Warnings in operation for Sea Area Fair Isle: Nil.

    05:00 UTC Fri 27th May – 16:59 UTC Fri 27th May

    • Wind

      Northeasterly 3 or 4, becoming variable 3 or less in the south and east.
    • Sea State

      Slight.
    • Weather

      Mainly fair, but fog patches in the east.
    • Visibility

      Mainly good, occasionally very poor in the east.

    17:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Mainly easterly or northeasterly 3, occasionally 4, in the north, otherwise variable 3 or less.
    • Sea State

      Slight.
    • Weather

      Mainly fair, but fog patches in the east.
    • Visibility

      Mainly good, occasionally very poor in the east.

    Issued at 05:00 UTC on Friday 27th May

  19. The Channel Islands

    The Channel Islands

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    05:00 UTC Fri 27th May – 04:59 UTC Sat 28th May

    • Wind

      Mainly northeasterly 2 to 4 Jersey northwards, and northwesterly 2 to 4 Jersey southwards, but locally variable 1 or 2 at times.
    • Sea State

      Slight.
    • Weather

      Mist and fog patches, especially this morning and evening, isolated thundery showers developing this afternoon.
    • Visibility

      Moderate to very poor, becoming mainly moderate or good for a time this afternoon.

    05:00 UTC Sat 28th May – 04:59 UTC Sun 29th May

    • Wind

      Northerly or variable 2 or 3, increasing 3 or 4 by early evening.
    • Sea State

      Slight.
    • Weather

      Isolated thundery showers, fog patches mainly clearing by mid-afternoon.
    • Visibility

      Moderate to very poor, becoming mostly moderate or good during the afternoon.

    Issued at 05:00 UTC on Friday 27th May