Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Weather fronts will move southeastwards across all areas today and tonight, finally clearing the far southeast around midday Monday. A ridge of high pressure will follow.

* Wind or gale warning issued

  1. From Cape Wrath to Rattray Head including Orkney * warning

    From Cape Wrath to Rattray Head including Orkney

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southerly or southwesterly veering westerly, 5 to 7, occasionally gale 8 in north.
    • Sea State

      Slight or moderate in east, rough or very rough in north.
    • Weather

      Occasional rain then showers.
    • Visibility

      Moderate or good, occasionally poor in north.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Westerly or northwesterly 5 to 7, occasionally gale 8.
    • Sea State

      Moderate or rough in east, rough or very rough, becoming high for a time in north.
    • Weather

      Squally wintry showers, rain later.
    • Visibility

      Good, occasionally poor later in north.

    Issued at 06:00 UTC on Sunday 25th Jan

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west later, 5 to 7.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fair later.
    • Visibility

      Good, occasionally moderate.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West 5 to 7, decreasing 4 at times.
    • Sea State

      Slight or moderate, occasionally rough in far north.
    • Weather

      Rain later.
    • Visibility

      Good, occasionally moderate later.

    Issued at 06:00 UTC on Sunday 25th Jan

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west later, 4 or 5, increasing 6 at times.
    • Sea State

      Mainly slight.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally moderate.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West or northwest 5 to 7.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

  4. Whitby to Gibraltar Point

    Whitby to Gibraltar Point

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    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      West backing southwest 4 or 5.
    • Sea State

      Mainly slight.
    • Weather

      Occasional rain later.
    • Visibility

      Mainly good.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Southwest veering west or northwest 5 or 6, decreasing 4 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Rain at first.
    • Visibility

      Good, occasionally moderate at first.

    Issued at 06:00 UTC on Sunday 25th Jan

  5. Gibraltar Point to North Foreland

    Gibraltar Point to North Foreland

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    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Northwesterly backing southwesterly 4 or 5.
    • Sea State

      Mainly slight.
    • Weather

      Occasional rain later.
    • Visibility

      Mainly good.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Southwesterly 4 or 5, veering northwesterly 5 or 6.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Rain at first.
    • Visibility

      Good, occasionally moderate at first.

    Issued at 06:00 UTC on Sunday 25th Jan

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Northwesterly 3 or 4, backing southwesterly 4 or 5, occasionally 6 later.
    • Sea State

      Slight, occasionally moderate later.
    • Weather

      Occasional rain later.
    • Visibility

      Good, occasionally poor later.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Southwesterly veering northwesterly, 5 or 6, decreasing 4 at times.
    • Sea State

      Slight or moderate, becoming slight.
    • Weather

      Rain at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 06:00 UTC on Sunday 25th Jan

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Northwest 3 or 4, backing southwest 4 or 5.
    • Sea State

      Smooth or slight, becoming slight or moderate.
    • Weather

      Occasional rain later.
    • Visibility

      Good, occasionally poor later.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Southwest veering north or northwest 4 or 5.
    • Sea State

      Slight or moderate, becoming slight.
    • Weather

      Rain at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 06:00 UTC on Sunday 25th Jan

  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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    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      West 3 or 4, backing southwest 4 or 5.
    • Sea State

      Smooth at first in shelter, otherwise slight or moderate, occasionally rough later in far west.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, occasionally poor later.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Southwest veering north or northwest 4 or 5, occasionally 6 at first.
    • Sea State

      Slight or moderate, occasionally rough in far west.
    • Weather

      Rain at first.
    • Visibility

      Moderate, occasionally poor, becoming good.

    Issued at 06:00 UTC on Sunday 25th Jan

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

    Lands End to St Davids Head including the Bristol Channel

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest 3 or 4, increasing 5 or 6, veering northwest later.
    • Sea State

      Slight in east, otherwise moderate.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, occasionally poor later.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Northwest 4 or 5, occasionally 6 at first.
    • Sea State

      Slight in east, otherwise moderate, occasionally rough in southwest.
    • Weather

      Rain at first.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

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

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

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering northwest later, 4 or 5, increasing 6 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Northwest backing west later, 4 or 5, occasionally 6 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

  11. Great Ormes Head to the Mull of Galloway * warning

    Great Ormes Head to the Mull of Galloway

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west or northwest later, 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West or northwest 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Showers at first.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest 5 or 6, veering northwest later.
    • Sea State

      Moderate.
    • Weather

      Occasional rain fair later.
    • Visibility

      Moderate or good, occasionally poor, becoming good.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Northwest 5 or 6, decreasing 4 or 5 later.
    • Sea State

      Moderate, becoming slight or moderate later.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west 5 to 7.
    • Sea State

      Slight or moderate in east, moderate or rough in north.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West or northwest 5 to 7.
    • Sea State

      Slight or moderate in east, rough or very rough in north.
    • Weather

      Showers at first.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

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

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

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwesterly veering westerly 5 to 7.
    • Sea State

      Slight or moderate, but rough in far north.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Westerly or northwesterly 5 to 7.
    • Sea State

      Slight or moderate, but rough or very rough in far north.
    • Weather

      Showers at first.
    • Visibility

      Good.

    Issued at 06:00 UTC on Sunday 25th Jan

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwesterly veering westerly, 5 to 7, occasionally gale 8 in north.
    • Sea State

      Rough or very rough.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Moderate or poor, becoming mainly good.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      Westerly or northwesterly 5 to 7, occasionally gale 8 at first.
    • Sea State

      Rough or very rough, occasionally high for a time in northwest.
    • Weather

      Showers, rain later.
    • Visibility

      Good, occasionally poor later.

    Issued at 06:00 UTC on Sunday 25th Jan

  16. The Minch * warning

    The Minch

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west 6 to gale 8.
    • Sea State

      Moderate or rough, but very rough in far north, and later far south.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West backing southwest later, 5 to 7, occasionally gale 8.
    • Sea State

      Moderate or rough, but very rough in far north and in far south.
    • Weather

      Wintry showers, rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 06:00 UTC on Sunday 25th Jan

  17. Ardnamurchan Point to Cape Wrath including the Outer Hebrides * warning

    Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Southwest veering west 6 to gale 8.
    • Sea State

      Very rough or high.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West backing southwest later, 5 to 7, occasionally gale 8.
    • Sea State

      Very rough or high.
    • Weather

      Wintry showers, rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 06:00 UTC on Sunday 25th Jan

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      South or southwest veering west 6 to gale 8.
    • Sea State

      Moderate at times in sheltered east, otherwise rough or very rough, becoming high later in northwest.
    • Weather

      Rain, showers later.
    • Visibility

      Moderate or good.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 06:00 UTC on Sunday 25th Jan

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

    Gale Warnings in operation for Sea Area Fair Isle: Gale now ceased, southwesterly gale force 8 expected soon increasing severe gale force 9 later.

    06:00 UTC Sun 25th Jan – 17:59 UTC Sun 25th Jan

    • Wind

      South or southwest veering westerly in west 6 to gale 8, but 5 at first in east.
    • Sea State

      Rough or very rough, but moderate at first in shelter east.
    • Weather

      Rain, perhaps heavy at times.
    • Visibility

      Moderate or good.

    18:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      West or southwest 6 to gale 8 decreasing perhaps decreasing 5 in southeast later.
    • Sea State

      Rough or very rough, but becoming later high in the northwest and moderate in shelter east.
    • Weather

      Rain at first showers thereafter, perhaps heavy at times.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Sunday 25th Jan

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

    • Wind

      Northwest 2 or 3 backing west increasing 3 to 4 this morning, then southwest further increasing 4 to 5 by mid-evening, perhaps locally 6 mid-channel, veering west later tonight.
    • Sea State

      Slight becoming mainly moderate.
    • Weather

      Occasional rain or drizzle from mid-evening.
    • Visibility

      Good becoming moderate to poor overnight.

    06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

    • Wind

      West 4 to 5, locally 6, veering northwest to north in the morning, decreasing 3 to 4 overnight.
    • Sea State

      Moderate, perhaps locally rather rough, becoming mainly slight overnight.
    • Weather

      Occasional rain or drizzle, clearing by early afternoon.
    • Visibility

      Moderate to poor becoming good.

    Issued at 06:00 UTC on Sunday 25th Jan

Lyme Regis to Lands End including the Isles of Scilly

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06:00 UTC Sun 25th Jan – 05:59 UTC Mon 26th Jan

  • Wind

    West 3 or 4, backing southwest 4 or 5.
  • Sea State

    Smooth at first in shelter, otherwise slight or moderate, occasionally rough later in far west.
  • Weather

    Fair then occasional rain.
  • Visibility

    Good, occasionally poor later.

06:00 UTC Mon 26th Jan – 05:59 UTC Tue 27th Jan

  • Wind

    Southwest veering north or northwest 4 or 5, occasionally 6 at first.
  • Sea State

    Slight or moderate, occasionally rough in far west.
  • Weather

    Rain at first.
  • Visibility

    Moderate, occasionally poor, becoming good.

Issued at 06:00 UTC on Sunday 25th Jan