Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Low pressure over the northeastern Atlantic will bring strong winds and gales for a time across northern areas, and across northwestern Scotland in particular. However high pressure out to the east will bring settled and mainly fine weather to southern areas.

* 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

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      South 5 to 7, occasionally gale 8 near Sutherland, veering southwest 4 or 5 later.
    • Sea State

      Slight or moderate in south, moderate or rough in north, but occasionally very rough near northwest Orkney.
    • Weather

      Showers.
    • Visibility

      Moderate or good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Southerly or southwesterly 3 or 4, occasionally 5 at first in north, then becoming variable.
    • Sea State

      Slight throughout in south, slight or moderate in north, but rough at first near northwest Orkney.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 23:00 UTC on Wednesday 4th May

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 5 or 6, occasionally 7 in north, then decreasing 3 or 4 later.
    • Sea State

      Slight or moderate.
    • Weather

      Drizzle or showers then fair.
    • Visibility

      Moderate or good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      South or southwest 3 or 4 becoming variable 2, then becoming northeast 3 or 4 later.
    • Sea State

      Slight.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southeasterly 4 or 5, occasionally 3 at first, then increasing 6 at times later in south.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate later.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Southerly or southeasterly 3 or 4, occasionally 5 at first in south, then backing northeasterly 2 or 3 later.
    • Sea State

      Slight, occasionally moderate at first.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      South backing southeast 4 or 5, occasionally 6 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Southeast backing east or northeast, 3 or 4, occasionally 5 at first.
    • Sea State

      Slight, occasionally moderate at first.
    • Weather

      Fair.
    • Visibility

      Good, becoming moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  5. Gibraltar Point to North Foreland

    Gibraltar Point to North Foreland

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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southeasterly, backing easterly later, 3 or 4, increasing 5 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Easterly or northeasterly 3 or 4, occasionally 5 in north.
    • Sea State

      Slight, occasionally moderate at first.
    • Weather

      Fair.
    • Visibility

      Good, becoming moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  6. North Foreland to Selsey Bill

    North Foreland to Selsey Bill

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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

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

      Slight, occasionally moderate later in east.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Slight, occasionally moderate in east.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

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

      Slight, occasionally moderate later.
    • Weather

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Slight, occasionally moderate at first.
    • Weather

      Thundery showers later.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th 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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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

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

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

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      East or northeast 4 or 5, occasionally 3 at first, then increasing 6 at times later near headlands.
    • Sea State

      Slight or moderate, but moderate throughout in far west.
    • Weather

      Rain or thundery showers later.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th 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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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      East or southeast 3 or 4, occasionally 5 at first, then becoming variable.
    • Sea State

      Slight or moderate, occasionally rough near Cornwall.
    • Weather

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Variable becoming east or northeast, 3 or 4, increasing 5 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Rain or thundery showers later.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th 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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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly 3 or 4, occasionally 5 at first in north, becoming variable 2 or 3 later.
    • Sea State

      Slight or moderate, becoming smooth or slight later.
    • Weather

      Fair.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Variable 2 or 3 becoming northeasterly 3 or 4, occasionally 5 later in north.
    • Sea State

      Smooth or slight, occasionally moderate later.
    • Weather

      Thundery showers later.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th 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

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly 4 or 5, occasionally 6 at first in north, then becoming variable 3 or 4.
    • Sea State

      Moderate at first in north, otherwise slight.
    • Weather

      Rain or drizzle at first in north, otherwise fair.
    • Visibility

      Good, occasionally poor in north.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Smooth or slight, becoming slight or moderate later except in Liverpool Bay.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      South or southwest 4 or 5, occasionally 6 at first, becoming variable 3 or less later.
    • Sea State

      Moderate becoming slight.
    • Weather

      Rain or drizzle at times then fair.
    • Visibility

      Good, occasionally poor.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Slight, occasionally moderate later.
    • Weather

      Fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      South or southwest 4 or 5, occasionally 6 at first, then becoming variable 2 or 3 later.
    • Sea State

      Slight or moderate, occasionally rough in north.
    • Weather

      Rain or drizzle at times then fair.
    • Visibility

      Moderate or good, occasionally poor in east.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Slight or moderate.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  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

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      South 4 or 5, occasionally 6 at first, then becoming variable 3 or less later.
    • Sea State

      Slight or moderate, becoming smooth or slight later.
    • Weather

      Rain or drizzle at times then fair.
    • Visibility

      Moderate or good, occasionally poor.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

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

      Smooth or slight, occasionally moderate near the Mull of Kintyre.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.

    Issued at 23:00 UTC on Wednesday 4th May

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 5 or 6, occasionally 7 in north, decreasing 4 at times in south, then becoming variable 3 later.
    • Sea State

      Moderate or rough in south, rough or very rough in north.
    • Weather

      Rain or showers.
    • Visibility

      Good, occasionally moderate.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      Variable 3 or less, increasing 4 at times, then becoming north 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first in north.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.

    Issued at 23:00 UTC on Wednesday 4th May

  16. The Minch * warning

    The Minch

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 6 to gale 8, occasionally severe gale 9 in north, then decreasing 4 or 5 later.
    • Sea State

      Moderate or rough, but becoming slight or moderate in north.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      South or southwest 3 or 4, occasionally 5 at first, then veering north later.
    • Sea State

      Slight or moderate, occasionally rough at first in south.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.

    Issued at 23:00 UTC on Wednesday 4th 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

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 6 to gale 8, occasionally severe gale 9 in north, then decreasing 4 or 5 later.
    • Sea State

      Rough or very rough, occasionally high at first west of the Outer Hebrides.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor at first.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      South or southwest 3 or 4, occasionally 5 at first, then veering north later.
    • Sea State

      Rough becoming moderate, occasionally slight near Sutherland.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.

    Issued at 23:00 UTC on Wednesday 4th May

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 5 to 7, occasionally gale 8 in west, then decreasing 4 at times later.
    • Sea State

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

      Rain at times.
    • Visibility

      Good, occasionally moderate.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 23:00 UTC on Wednesday 4th May

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

    Gale Warnings in operation for Sea Area Fair Isle: Southerly gale force 8 continuing.

    23:00 UTC Wed 4th May – 10:59 UTC Thu 5th May

    • Wind

      Southerly or southwesterly 5 to 7, occasionally gale 8 in the west.
    • Sea State

      Rough, increasing very rough in the west.
    • Weather

      Mainly fair in the west, occasional rain in the east.
    • Visibility

      Good, occasionally moderate in rain.

    11:00 UTC Thu 5th May – 22:59 UTC Thu 5th May

    • Wind

      South or southwest 6 to gale 8, decreasing 5 or 6 later.
    • Sea State

      Rough or very rough, decreasing moderate later in the east.
    • Weather

      Mainly fair, but perhaps a little patchy rain.
    • Visibility

      Mainly good.

    Issued at 23:00 UTC on Wednesday 4th May

  19. The Channel Islands

    The Channel Islands

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    23:00 UTC Wed 4th May – 22:59 UTC Thu 5th May

    • Wind

      East or southeast 3 or 4, occasionally 5, backing east or northeast for a time in the afternoon.
    • Sea State

      Smooth or slight, locally moderate in the north at times.
    • Weather

      Fair or fine.
    • Visibility

      Good.

    23:00 UTC Thu 5th May – 22:59 UTC Fri 6th May

    • Wind

      East 3 or 4, perhaps 5 mid channel at first, becoming locally variable 1 to 3 near French coasts for a time in the afternoon, veering southeast by Friday evening.
    • Sea State

      Smooth or slight, with a low swell, locally moderate in the north of the area.
    • Weather

      Mainly fair or fine, but risk of a shower Friday evening.
    • Visibility

      Mainly good.

    Issued at 23:00 UTC on Wednesday 4th May