Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Low pressure will remain slow moving over southern England during today before slowly sinking southwards into France on Tuesday as a filling feature. Meanwhile, pressure will begin to rise very strongly to the northeast of Scotland.

* 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 Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Southeasterly 5 or 6, occasionally 7 in north, decreasing 4 at times later.
    • Sea State

      Moderate or rough, becoming slight or moderate later.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Southeasterly 4 or 5, occasionally 6 at first in north, decreasing 3 at times later in east.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      East 5 or 6, decreasing 3 or 4 later.
    • Sea State

      Moderate or rough, becoming moderate later.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

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

      Moderate, becoming slight or moderate later.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      East 5 or 6, decreasing 3 or 4, then backing northeast later.
    • Sea State

      Moderate or rough, becoming slight or moderate later.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

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

      Slight or moderate, becoming moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      East or southeast 4 or 5, increasing 6 at times, backing northeast 3 or 4 later.
    • Sea State

      Moderate or rough, becoming slight or moderate.
    • Weather

      Occasional rain at first.
    • Visibility

      Moderate or good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Northeast 3 or 4, increasing 5 or 6.
    • Sea State

      Slight or moderate, becoming moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Southerly or southeasterly 5 to 7, backing easterly or northeasterly 4 or 5 later.
    • Sea State

      Moderate becoming slight later.
    • Weather

      Occasional rain or showers, fair later.
    • Visibility

      Moderate or good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Northeasterly 4 or 5, occasionally 3 at first, increasing 6 at times later.
    • Sea State

      Slight becoming moderate.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Southerly 6 to gale 8, backing easterly 4 or 5 later.
    • Sea State

      Moderate or rough occasionally very rough at first in west, becoming slight or moderate later.
    • Weather

      Occasional rain or showers, fair later.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Easterly backing northeasterly 4 or 5, occasionally 6 later.
    • Sea State

      Slight or moderate.
    • Weather

      Showers for a time.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Cyclonic becoming easterly later, 4 or 5, increasing 6 to gale 8 at times, mainly offshore.
    • Sea State

      Moderate or rough, becoming slight or moderate later.
    • Weather

      Occasional rain or thundery showers.
    • Visibility

      Moderate or good, occasionally poor.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Northeast 4 or 5, backing north 3 or 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers for a time.
    • Visibility

      Moderate or good.

    Issued at 06:00 UTC on Monday 1st May

  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

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      West or northwest 7 or gale 8, decreasing 5 or 6, then veering north 4 or 5 later.
    • Sea State

      Very rough or high at first in far west, otherwise moderate or rough, becoming slight or moderate.
    • Weather

      Occasional rain or showers, fair later.
    • Visibility

      Good, occasionally poor at first.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      North veering northeast 4 or 5, becoming variable 3 or 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers for a time.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  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 Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Mainly northwesterly 5 to 7, occasionally gale 8 at first in far southwest, decreasing 4 at times in north, becoming northeasterly 4 or 5 later.
    • Sea State

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

      Occasional rain showers, fair later.
    • Visibility

      Good, occasionally poor at first.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Easterly or northeasterly 4 or 5, becoming variable 3 or 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st 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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    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      North or northeast veering east later, 3 or 4, occasionally 5 at first.
    • Sea State

      Slight or moderate, becoming smooth at times later in shelter.
    • Weather

      Occasional rain then fair.
    • Visibility

      Good, occasionally moderate at first.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

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

      Smooth or slight becoming slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  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 Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Northeasterly 4 or 5, occasionally 6 at first in north, veering easterly 3 or 4.
    • Sea State

      Slight or moderate, becoming smooth or slight.
    • Weather

      Occasional rain at first.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Easterly backing northeasterly 3 or 4, increasing 5 or 6 later.
    • Sea State

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

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  12. Isle of Man

    Isle of Man

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    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

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

      Slight.
    • Weather

      Occasional rain at first.
    • Visibility

      Good, occasionally moderate at first.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

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

      Slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  13. Lough Foyle to Carlingford Lough

    Lough Foyle to Carlingford Lough

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    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Variable, mainly northeasterly veering easterly 3 or 4, occasionally 5 at first in southeast and again later in north.
    • Sea State

      Slight or moderate, becoming smooth or slight in east.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Easterly or northeasterly 4 or 5, becoming variable 3 or less at times in east.
    • Sea State

      Smooth or slight until later in east, otherwise slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st 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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    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Variable, mainly northeasterly veering easterly 3 or 4.
    • Sea State

      Slight or moderate, becoming smooth or slight.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Easterly or northeasterly 4 or 5, becoming variable 3 or less at times.
    • Sea State

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

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      East 3 or 4, veering southeast 5 or 6.
    • Sea State

      Slight or moderate, becoming smooth in shelter.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Southeast backing east for a time, 4 or 5, increasing 6 at times.
    • Sea State

      Smooth in shelter, otherwise slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  16. The Minch

    The Minch

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    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      East veering southeast 4 or 5, becoming variable 3 or 4 at times in central areas.
    • Sea State

      Smooth in central areas, otherwise slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Southeast 4 or 5, becoming variable 3 at times in central areas.
    • Sea State

      Slight or moderate in far north and in far south, otherwise smooth or slight.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st 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

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Easterly or southeasterly 4 or 5, occasionally 6 at times later in south.
    • Sea State

      Moderate, occasionally rough at first.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Southeast 4 or 5, occasionally 6 at first in south, becoming variable 3 or 4 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Southeast 5 or 6.
    • Sea State

      Moderate, occasionally rough until later in south.
    • Weather

      Fair.
    • Visibility

      Good.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 06:00 UTC on Monday 1st May

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

    Gale Warnings in operation for Sea Area Fair Isle: None.

    06:00 UTC Mon 1st May – 17:59 UTC Mon 1st May

    • Wind

      Southeast 5 or 6.
    • Sea State

      Moderate, occasionally rough in south.
    • Weather

      Fair.
    • Visibility

      Good.

    18:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Southeast 5 or 6.
    • Sea State

      Moderate, occasionally rough at first in south.
    • Weather

      Fair.
    • Visibility

      Good.

    Issued at 06:00 UTC on Monday 1st May

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

    • Wind

      Westerly 7 to gale 8 with gusts to 50kt, decreasing 4 to 6 during the afternoon, veering northwest to north 3 to 5 by midnight and north to northeast 2 to 4 by dawn.
    • Sea State

      Rough, locally very rough this morning, decreasing moderate to rather rough by early evening and slight to moderate overnight.
    • Weather

      Band of rain, locally heavy, moving slowly and erratically southwards during the day, clearing by late evening scattered showers developing risk of hail and thunder.
    • Visibility

      Moderate to good, locally poor in rain.

    06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

    • Wind

      Northeast to north 2 to 4.
    • Sea State

      Slight, locally moderate in the west, with a low swell.
    • Weather

      Risk of showers at first.
    • Visibility

      Good, perhaps locally moderate at first.

    Issued at 06:00 UTC on Monday 1st May

Lyme Regis to Lands End including the Isles of Scilly

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Strong wind warning

06:00 UTC Mon 1st May – 05:59 UTC Tue 2nd May

  • Wind

    West or northwest 7 or gale 8, decreasing 5 or 6, then veering north 4 or 5 later.
  • Sea State

    Very rough or high at first in far west, otherwise moderate or rough, becoming slight or moderate.
  • Weather

    Occasional rain or showers, fair later.
  • Visibility

    Good, occasionally poor at first.

06:00 UTC Tue 2nd May – 05:59 UTC Wed 3rd May

  • Wind

    North veering northeast 4 or 5, becoming variable 3 or 4 for a time.
  • Sea State

    Slight or moderate.
  • Weather

    Showers for a time.
  • Visibility

    Good.

Issued at 06:00 UTC on Monday 1st May