Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

A cold and showery westerly airflow will affect the British Isles through Tuesday, with an area of low pressure moving eastwards across northern Scotland later and bringing gales or severe gales to northern parts. A ridge of high pressure will move in from the southwest during Wednesday.

* 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwest veering northwest 5 to 7, decreasing 3 or 4 for a time, then occasionally gale 8 later.
    • Sea State

      Rough or very rough in north, slight or moderate in south, but rough later near Aberdeenshire.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 to 7, occasionally gale 8 at first, backing west 4 or 5, then south 5 or 6 later.
    • Sea State

      Very rough at first in north, otherwise moderate or rough, but slight or moderate in Moray Firth.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwesterly 6 to gale 8, occasionally 5 in north, perhaps severe gale 9 later in south.
    • Sea State

      Slight or moderate becoming moderate or rough.
    • Weather

      Wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West 5 to 7, occasionally gale 8 at first, backing southwest 4 or 5 later.
    • Sea State

      Moderate or rough becoming slight or moderate.
    • Weather

      Wintry showers then fair.
    • Visibility

      Mainly good.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

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

      Slight near shore, otherwise moderate.
    • Weather

      Wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

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

      Slight or moderate.
    • Weather

      Wintry showers then fair.
    • Visibility

      Mainly good.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Westerly or southwesterly 5 to 7, perhaps gale 8 later in north.
    • Sea State

      Slight near shore, otherwise moderate.
    • Weather

      Wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Southwest 6 or 7 veering northwest 4 or 5, backing west 4 later.
    • Sea State

      Slight or moderate.
    • Weather

      Wintry showers then fair.
    • Visibility

      Mainly good.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

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

      Slight near shore, otherwise moderate.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Southwesterly 5 to 7 veering northwesterly 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

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

      Moderate or rough.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

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

      Moderate or rough, becoming slight.
    • Weather

      Squally showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwesterly veering westerly 5 to 7, occasionally gale 8 at first in east.
    • Sea State

      Moderate or rough.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

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

      Moderate or rough, becoming slight.
    • Weather

      Squally showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 5 to 7.
    • Sea State

      Moderate or rough in east, rough or very rough in west.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

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

      Moderate becoming slight in east, rough or very rough becoming moderate in west.
    • Weather

      Squally showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 5 to 7, occasionally gale 8 at first.
    • Sea State

      Moderate or rough in Bristol Channel, otherwise rough or very rough.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

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

      Very rough at first near Cornwall, otherwise moderate or rough.
    • Weather

      Squally showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8, occasionally 5 at first.
    • Sea State

      Moderate or rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West or northwest 5 to 7, occasionally gale 8 at first, decreasing 4, then backing southwest 4 or 5 later.
    • Sea State

      Moderate or rough becoming slight or moderate.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8, occasionally 5 at first.
    • Sea State

      Moderate or rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West or northwest 5 to 7, occasionally gale 8 at first, decreasing 4, backing southwest 4 or 5 later.
    • Sea State

      Moderate or rough becoming slight or moderate.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8.
    • Sea State

      Moderate or rough.
    • Weather

      Showers.
    • Visibility

      Moderate or good.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West 5 to 7, occasionally gale 8 at first, decreasing 4, backing southwest 4 or 5 later.
    • Sea State

      Moderate or rough becoming slight or moderate.
    • Weather

      Showers.
    • Visibility

      Mainly good.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8, occasionally severe gale 9 later.
    • Sea State

      Moderate or rough in east, rough becoming very rough in north.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West or northwest 5 to 7, occasionally gale 8 at first, decreasing 4, backing southwest 4 or 5 later.
    • Sea State

      Very rough at first in north, otherwise moderate or rough, becoming slight in east.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8, occasionally severe gale 9 later.
    • Sea State

      Moderate or rough, becoming very rough near the Mull of Kintyre.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West or northwest 5 to 7, occasionally gale 8 at first, decreasing 4, backing southwest 4 or 5 later.
    • Sea State

      Very rough at first near the Mull of Kintyre, otherwise moderate or rough becoming slight or moderate.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 6 to gale 8 veering west or northwest 7 to severe gale 9, perhaps storm 10 later.
    • Sea State

      Rough or very rough becoming very rough or high, occasionally very high near Tiree.
    • Weather

      Squally wintry showers.
    • Visibility

      Moderate or poor, occasionally good at first.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      West or northwest 6 to gale 8 decreasing 4 or 5, backing southwest 5 or 6 later.
    • Sea State

      Very rough or high becoming moderate or rough.
    • Weather

      Squally wintry showers then fair.
    • Visibility

      Moderate or poor, becoming good.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  16. The Minch * warning

    The Minch

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwesterly veering northwesterly 7 to severe gale 9, occasionally storm 10 in south, becoming cyclonic 4 for a time in north.
    • Sea State

      Rough or very rough in south, moderate or rough in north.
    • Weather

      Squally wintry showers.
    • Visibility

      Moderate or good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 to 7, occasionally gale 8 at first, backing west 4 or 5, then southwest 6 to gale 8 later.
    • Sea State

      Moderate or rough, occasionally very rough at first in south.
    • Weather

      Squally wintry showers, occasional rain later.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 00:00 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

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwesterly veering northwesterly 7 to severe gale 9, occasionally storm 10 in south, becoming cyclonic 4 for a time in north.
    • Sea State

      Rough near Sutherland, otherwise very rough or high, occasionally very high later in south.
    • Weather

      Squally wintry showers.
    • Visibility

      Moderate or poor, occasionally good.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 to 7, occasionally gale 8 at first, backing west 4 or 5, then southwest 6 to gale 8 later.
    • Sea State

      Rough near Sutherland, otherwise very rough or high becoming rough or very rough.
    • Weather

      Squally wintry showers, occasional rain later.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      West or southwest 5 or 6, becoming cyclonic 4 or 5 later.
    • Sea State

      Rough becoming very rough in west, moderate or rough in east.
    • Weather

      Wintry showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 00:00 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: Nil

    00:00 UTC Tue 3rd Mar – 11:59 UTC Tue 3rd Mar

    • Wind

      Westerly or southwesterly 5 or 6, occasionally 4 later in northwest.
    • Sea State

      Moderate or rough, becoming very rough in west.
    • Weather

      Wintry showers.
    • Visibility

      Moderate or good, perhaps poor at times.

    12:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwesterly backing southerly 4 or 5, occasionally 6 at first, becoming cyclonic 4 later, but 5 or 6 in far south.
    • Sea State

      Moderate or rough, but very rough in west.
    • Weather

      Wintry showers, dying out for a time in east.
    • Visibility

      Good, occasionally moderate, perhaps poor.

    Issued at 00:00 UTC on Tuesday 3rd Mar

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

    • Wind

      Southwest 5 or 6, occasionally 7 with gusts to 45kt, especially near showers, veering west by dawn, further veering northwest later.
    • Sea State

      Rather rough to rough, locally moderate in the south at first.
    • Weather

      Scattered rain or hail showers, risk of thunder.
    • Visibility

      Good, occasionally moderate or poor in showers.

    00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

    • Wind

      Northwest 5 or 6 with gusts to 40kt, decreasing 4 or 5 Wednesday afternoon, further decreasing 3 or 4 in the evening.
    • Sea State

      Rather rough to rough, becoming moderate in the afternoon then slight with swell later.
    • Weather

      Isolated rain or hail showers soon dying out.
    • Visibility

      Good, occasionally moderate in showers.

    Issued at 00:00 UTC on Tuesday 3rd Mar

Lyme Regis to Lands End including the Isles of Scilly

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Strong wind warning

00:00 UTC Tue 3rd Mar – 23:59 UTC Tue 3rd Mar

  • Wind

    West or southwest 5 to 7.
  • Sea State

    Moderate or rough in east, rough or very rough in west.
  • Weather

    Squally showers.
  • Visibility

    Good, occasionally poor.

00:00 UTC Wed 4th Mar – 23:59 UTC Wed 4th Mar

  • Wind

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

    Moderate becoming slight in east, rough or very rough becoming moderate in west.
  • Weather

    Squally showers then fair.
  • Visibility

    Good, occasionally poor at first.

Issued at 00:00 UTC on Tuesday 3rd Mar