Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

A cold, showery westerly airflow will affect the United Kingdom as an area of low pressure moves eastwards across northern Scotland. A ridge of high pressure will move in from the southwest during Wednesday and persist in the south through Thursday while an Atlantic cold front affects the far northwest.

* 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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southwest veering northwest 5 to 7, occasionally gale 8, backing west 4 later.
    • Sea State

      Slight in sheltered south otherwise moderate or rough, but rough or very rough north and west of Orkney.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 4 backing southwest 5 to 7, occasionally gale 8.
    • Sea State

      Slight in sheltered south otherwise moderate or rough.
    • Weather

      Occasional rain later.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southwest veering northwest 5 to 7, occasionally gale 8, backing west 3 or 4 later.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 3 or 4 backing southwest 5 to 7.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southwest veering northwest 5 to 7, occasionally gale 8, decreasing 4 later.
    • Sea State

      Mainly slight near shore otherwise moderate or rough.
    • Weather

      Wintry showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Northwest backing southwest 4 or 5, increasing 5 or 6 for a time.
    • Sea State

      Moderate or rough, becoming slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West or southwest veering northwest 5 to 7, decreasing 4 or 5 later.
    • Sea State

      Mainly slight near shore otherwise moderate or rough.
    • Weather

      Wintry showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Northwest backing southwest 4 or 5.
    • Sea State

      Moderate or rough, becoming slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Westerly veering northwesterly 5 to 7, decreasing 4 or 5 later.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Northwesterly 4 or 5 backing southwesterly 3 or 4.
    • Sea State

      Moderate or rough, becoming slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Westerly veering northwesterly 5 to 7, decreasing 4 or 5 later.
    • Sea State

      Moderate or rough.
    • Weather

      Squally showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

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

      Moderate or rough, becoming slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West veering northwest 5 to 7, decreasing 4 or 5 later.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Squally showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

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

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

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

    Lyme Regis to Lands End including the Isles of Scilly

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 to 7 decreasing 4 or 5.
    • Sea State

      Slight in shelter otherwise moderate or rough, but rough or very rough in far west.
    • Weather

      Showers then fair.
    • Visibility

      Good, occasionally poor.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

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

      Slight or moderate, but rough in far west at first.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West or northwest 5 to 7, decreasing 3 or 4.
    • Sea State

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

      Squally showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

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

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

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West veering northwest 5 to 7, occasionally gale 8, backing west 3 or 4 later.
    • Sea State

      Moderate or rough.
    • Weather

      Showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 3 or 4 backing southwest 4 or 5, occasionally 6.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West 5 to 7, occasionally gale 8, decreasing 3 or 4.
    • Sea State

      Moderate or rough.
    • Weather

      Showers then fair.
    • Visibility

      Good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 3 or 4 backing southwest 4 or 5, occasionally 6.
    • Sea State

      Slight or moderate.
    • Weather

      Mainly fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West or southwest 6 to gale 8, veering west or northwest 5 or 6 later.
    • Sea State

      Moderate or rough.
    • Weather

      Showers.
    • Visibility

      Moderate or good.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West or northwest backing southwest 5 or 6, decreasing 3 or 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Mainly fair.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West veering northwest 6 to gale 8, backing southwest 3 or 4 later.
    • Sea State

      Slight in shelter otherwise moderate or rough, but rough or very rough in far northwest.
    • Weather

      Showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Southwest 3 or 4 increasing 5 to 7.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Occasional rain later.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Westerly veering northwesterly 6 to gale 8, backing southwesterly 3 or 4 later.
    • Sea State

      Slight in shelter otherwise moderate or rough, but rough or very rough in far northwest.
    • Weather

      Showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Southwesterly 3 or 4 increasing 5 to 7.
    • Sea State

      Slight in shelter otherwise moderate or rough.
    • Weather

      Occasional rain later.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West veering northwest 7 to severe gale 9, backing southwest 4 or 5 later.
    • Sea State

      Slight or moderate in shelter otherwise rough or very rough, but high in west at first.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Southwest 4 or 5 increasing 5 to 7.
    • Sea State

      Slight or moderate in shelter otherwise rough, becoming very rough or high in west.
    • Weather

      Fair occasional rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  16. The Minch * warning

    The Minch

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southwest veering northwest 7 to severe gale 9, decreasing 4 or 5 then backing 5 to 7 later.
    • Sea State

      Slight in shelter otherwise moderate or rough, but rough or very rough in far south at first.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 4 or 5 backing southwest 7 to severe gale 9, decreasing 5 or 6 later.
    • Sea State

      Slight in shelter otherwise moderate or rough, becoming very rough in far south and far north.
    • Weather

      Fair then rain.
    • Visibility

      Good, becoming moderate or poor.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  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

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southwest veering northwest 7 to severe gale 9, decreasing 4 or 5 then backing 5 to 7 later.
    • Sea State

      High or very high, becoming very rough.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      West 4 or 5 backing southwest 7 to severe gale 9, decreasing 5 or 6 later.
    • Sea State

      Rough or very rough, becoming high.
    • Weather

      Fair then rain.
    • Visibility

      Good, becoming moderate or poor.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Southerly or southwesterly 5 or 6 veering northwesterly 5 to 7, occasionally gale 8 in south, backing westerly 4 or 5 later.
    • Sea State

      Moderate or rough in southeast, rough or very rough in northwest.
    • Weather

      Wintry showers, fair later.
    • Visibility

      Good, occasionally poor at first.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 18:00 UTC on Tuesday 3rd Mar

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

    Gale Warnings in operation for Sea Area Fair Isle: Northwesterly gale force 8 expected soon, issued at 03/0950

    18:00 UTC Tue 3rd Mar – 05:59 UTC Wed 4th Mar

    • Wind

      South or southwest 5 or 6, veering northwest 5 to 7, occasionally gale 8 in south.
    • Sea State

      Moderate or rough in southeast, very rough in northwest.
    • Weather

      Showers, some wintry.
    • Visibility

      Good, occasionally poor.

    06:00 UTC Wed 4th Mar – 17:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 to 7, occasionally gale 8 at first in south, backing west 4 or 5 later.
    • Sea State

      Moderate or rough in southeast, rough or very rough in northwest.
    • Weather

      Showers at first, some wintry.
    • Visibility

      Good, occasionally poor at first.

    Issued at 18:00 UTC on Tuesday 3rd Mar

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    18:00 UTC Tue 3rd Mar – 17:59 UTC Wed 4th Mar

    • Wind

      West 5 to 6 with gusts to 35kt, veering northwest this evening, decreasing 4 to 5 tomorrow afternoon.
    • Sea State

      Rather rough to rough becoming mainly moderate.
    • Weather

      Isolated rain or hail showers, dying out by morning.
    • Visibility

      Good except in showers.

    18:00 UTC Wed 4th Mar – 17:59 UTC Thu 5th Mar

    • Wind

      Northwest 4 to 5 veering north decreasing 1 to 3 overnight, becoming variable on Thursday.
    • Sea State

      Moderate becoming smooth or slight with swell.
    • Weather

      Fair or fine.
    • Visibility

      Good.

    Issued at 18:00 UTC on Tuesday 3rd Mar