Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Warm air will continue to push northeastwards across the UK over the next few days. As high pressure builds over southern England, sea fog will develop for many southern and western waters.

* 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 23rd May – 17:59 UTC Wed 24th May

    • Wind

      West or southwest 4 or 5, increasing 6 at times near Cape Wrath, becoming variable 3 at times in southeast.
    • Sea State

      Smooth or slight, occasionally moderate in north.
    • Weather

      Occasional rain or drizzle, fog patches later in north.
    • Visibility

      Good, occasionally poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Southwest 4 or 5, occasionally 6 at first near Cape Wrath, becoming variable 3 or less later.
    • Sea State

      Smooth or slight, occasionally moderate in north.
    • Weather

      Mainly fair in east, drizzle with fog patches in north.
    • Visibility

      Moderate or good, occasionally very poor in north.

    Issued at 18:00 UTC on Tuesday 23rd May

  2. Rattray Head to Berwick on Tweed

    Rattray Head to Berwick on Tweed

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Westerly or southwesterly 4 or 5, becoming variable 3 at times in north.
    • Sea State

      Smooth or slight.
    • Weather

      Occasional rain at first in north.
    • Visibility

      Good, occasionally moderate in north.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable, mainy west or southwest, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  3. Berwick on Tweed to Whitby

    Berwick on Tweed to Whitby

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Variable, mainly west or southwest, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Moderate or good, occasionally poor for a time.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable, becoming southeast later, 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good, occasionally poor for a time.

    Issued at 18:00 UTC on Tuesday 23rd May

  4. Whitby to Gibraltar Point

    Whitby to Gibraltar Point

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Variable 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 2 or 3, becoming southeast 3 or 4 later.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair, fog patches developing later.
    • Visibility

      Moderate or good, occasionally very poor later.

    Issued at 18:00 UTC on Tuesday 23rd May

  5. Gibraltar Point to North Foreland

    Gibraltar Point to North Foreland

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Variable, mainly southwesterly at first in south, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable, mainly southeasterly, 3 or 4.
    • Sea State

      Smooth, occasionally slight.
    • Weather

      Mainly fair, fog patches developing later.
    • Visibility

      Moderate or good, occasionally very poor later.

    Issued at 18:00 UTC on Tuesday 23rd May

  6. North Foreland to Selsey Bill

    North Foreland to Selsey Bill

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

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

      Smooth or slight.
    • Weather

      Fog patches developing.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming easterly or northeasterly 3 or 4 later, occasionally 5 later.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      West or southwest 3 or 4, veering northwest, then becoming variable later, 2 or 3.
    • Sea State

      Smooth in shelter, otherwise slight.
    • Weather

      Fog patches developing.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming east 3 or 4 later, occasionally 5 later.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd 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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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      West 3 or 4, becoming variable 3 or less.
    • Sea State

      Moderate at first in far southwest, otherwise slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming east 3 or 4, occasionally 5 later.
    • Sea State

      Slight, becoming moderate later west of Lizard Point.
    • Weather

      Fog patches, becoming fog banks.
    • Visibility

      Moderate, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd 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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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      West or southwest 3 or 4, becoming variable 3 or less.
    • Sea State

      Moderate at first in west, otherwise slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming easterly or southeasterly 3 or 4, occasionally 5 later in south.
    • Sea State

      Smooth or slight, becoming moderate later in southwest.
    • Weather

      Fog patches, mainly southwest.
    • Visibility

      Moderate or good, occasionally very poor in southwest.

    Issued at 18:00 UTC on Tuesday 23rd 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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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      South or southwest 3 or 4, becoming variable 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable, becoming southeast for a time, 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 23rd May

  11. Great Ormes Head to the Mull of Galloway

    Great Ormes Head to the Mull of Galloway

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Variable, mainly southwest 3 or 4, occasionally 5 at first.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches for a time.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable, becoming mainly east or southeast, 2 or 3, increasing 4 at times.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 23rd May

  12. Isle of Man

    Isle of Man

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southwest 3 or 4, occasionally 5 at first.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Southwest, becoming variable, then becoming southeast later, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 23rd May

  13. Lough Foyle to Carlingford Lough

    Lough Foyle to Carlingford Lough

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southerly, veering southwesterly, then becoming variable later, 3 or 4, increasing 5 for a time in north.
    • Sea State

      Smooth or slight.
    • Weather

      Fair.
    • Visibility

      Moderate or good, occasionally poor for a time.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming southeasterly 3 or 4 later, occasionally 5 later in north.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 18:00 UTC on Tuesday 23rd 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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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southerly, becoming variable at times later, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good, occasionally poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Variable 3 or less, becoming southeasterly 3 or 4 later in the North Channel.
    • Sea State

      Smooth or slight, occasionally moderate later in northwest.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  15. Mull of Kintyre to Ardnamurchan Point

    Mull of Kintyre to Ardnamurchan Point

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      South or southeast, veering southwest, 3 or 4, increasing 5 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Southwest, becoming variable, then becoming southeast, 3 or 4, occasionally 5 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  16. The Minch * warning

    The Minch

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    Strong wind warning

    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southerly or southwesterly 4 or 5, occasionally 6 for a time in north.
    • Sea State

      Smooth in central areas, otherwise slight, occasionally moderate in south.
    • Weather

      Occasional rain or drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Southerly or southwesterly 4 or 5, occasionally 6 at first in north, then backing southeast 3 or 4 later.
    • Sea State

      Smooth in central areas, otherwise slight, occasionally moderate in south.
    • Weather

      Occasional drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  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 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southerly or southwesterly 4 or 5, occasionally 6 for a time in north.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain or drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Southerly or southwesterly 4 or 5, occasionally 6 at first in north, then backing southeast 3 or 4 later.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    Issued at 18:00 UTC on Tuesday 23rd May

  18. Shetland Isles * warning

    Shetland Isles

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Southwesterly 3 or 4, occasionally 5 later in southwest.
    • Sea State

      Moderate in northwest, otherwise slight.
    • Weather

      Occasional rain and fog patches later.
    • Visibility

      Moderate or good, occasionally very poor later.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 18:00 UTC on Tuesday 23rd May

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

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

    18:00 UTC Tue 23rd May – 05:59 UTC Wed 24th May

    • Wind

      Southwest 3 or 4.
    • Sea State

      Moderate in northwest, otherwise slight.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.

    06:00 UTC Wed 24th May – 17:59 UTC Wed 24th May

    • Wind

      Southwesterly 3 or 4, increasing 5 at times later in southwest.
    • Sea State

      Moderate in northwest, otherwise slight.
    • Weather

      Fog patches developing
    • Visibility

      Moderate or good, occasionally very poor

    Issued at 18:00 UTC on Tuesday 23rd May

  19. The Channel Islands

    The Channel Islands

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    18:00 UTC Tue 23rd May – 17:59 UTC Wed 24th May

    • Wind

      Westerly 2 to 4, becoming north or variable 1 or 2 overnight, then northeast 2 to 4 by Wednesday evening.
    • Sea State

      Smooth or slight.
    • Weather

      Widespread mist or fog, becoming patchy during Wednesday morning.
    • Visibility

      Moderate to very poor, occasionally good from Wednesday morning.

    18:00 UTC Wed 24th May – 17:59 UTC Thu 25th May

    • Wind

      Northeast 3 to 4, veering east overnight, increasing 4, occasionally 5, Thursday afternoon.
    • Sea State

      Slight, occasionally moderate by Thursday evening, with a low swell.
    • Weather

      Risk of fog banks in the north, clearing during Wednesday evening.
    • Visibility

      Good, occasionally very poor in any fog at first.

    Issued at 18:00 UTC on Tuesday 23rd May