Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

A brief ridge of high pressure will build across the United Kingdom during today. However, very deep areas of low pressure for late May and early June will bring a very disturbed and windy weather pattern for several days thereafter.

* 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Northwesterly 4 or 5, becoming variable 3 or 4, then southeasterly 5 to 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Showers at first, rain later.
    • Visibility

      Good, occasionally moderate later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Easterly or southeasterly 5 to 7, becoming cyclonic, mainly westerly 5 to 7, but increasing gale 8 or severe gale 9 for a time in east.
    • Sea State

      Slight or moderate, becoming moderate or rough, and very rough at times in north.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Saturday 30th May

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      West 4 or 5, becoming variable 3 or 4, then southeast 5 to 7 later.
    • Sea State

      Slight or moderate, becoming smooth or slight for a time.
    • Weather

      Showers at first, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Cyclonic, mainly southeast 5 to 7, veering west 6 to gale 8, occasionally severe gale 9.
    • Sea State

      Moderate or rough.
    • Weather

      Rain early and late, otherwise showers.
    • Visibility

      Moderate or poor, becoming mainly good.

    Issued at 11:00 UTC on Saturday 30th May

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable, mainly west or southwest 3 or 4, backing southeast 5 or 6, then veering west later.
    • Sea State

      Slight or moderate, becoming smooth or slight for a time.
    • Weather

      Rain later.
    • Visibility

      Good, becoming moderate or poor later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

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

      Slight or moderate, becoming moderate or rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.

    Issued at 11:00 UTC on Saturday 30th May

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      West or southwest 3 or 4, backing southeast 5 or 6, then veering southwest later.
    • Sea State

      Slight or moderate, becoming smooth or slight for a time.
    • Weather

      Rain later.
    • Visibility

      Good, becoming moderate or poor later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

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

      Mainly moderate.
    • Weather

      Occasional rain, then showers.
    • Visibility

      Moderate or poor, becoming good.

    Issued at 11:00 UTC on Saturday 30th May

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Westerly 3 or 4, backing southerly or southwesterly 4 or 5, increasing 6 or 7 later.
    • Sea State

      Slight becoming moderate later.
    • Weather

      Rain later.
    • Visibility

      Good, becoming moderate or poor later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Westerly or southwesterly 5 to 7.
    • Sea State

      Moderate.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or poor, becoming good.

    Issued at 11:00 UTC on Saturday 30th May

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Westerly backing southerly 4 or 5, then veering southwesterly 5 to 7 later.
    • Sea State

      Slight becoming moderate or rough later.
    • Weather

      Rain later.
    • Visibility

      Good, becoming moderate or poor later.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

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

      Moderate.
    • Weather

      Rain at first, showers later.
    • Visibility

      Moderate or poor, becoming good.

    Issued at 11:00 UTC on Saturday 30th May

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Southwest backing south for a time, 3 or 4, increasing 5 to 7.
    • Sea State

      Slight becoming moderate or rough later.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, becoming moderate or poor.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Southwest veering northwest for a time, 5 to 7.
    • Sea State

      Moderate.
    • Weather

      Rain at first, showers later.
    • Visibility

      Moderate or poor, becoming good.

    Issued at 11:00 UTC on Saturday 30th 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      South 3 or 4, increasing 5 or 6, then veering southwest, then northwest later, 5 to 7.
    • Sea State

      Slight becoming moderate.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, becoming moderate or poor.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Northwest backing southwest later, 5 to 7.
    • Sea State

      Rough in far west, otherwise moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 11:00 UTC on Saturday 30th 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      South 3 or 4, increasing 5 or 6, veering southwest, then northwest later, 5 to 7.
    • Sea State

      Slight at first in east, otherwise moderate.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, becoming moderate or poor.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Northwest backing southwest later, 5 to 7.
    • Sea State

      Moderate becoming rough.
    • Weather

      Showers, rain later.
    • Visibility

      Good.

    Issued at 11:00 UTC on Saturday 30th May

  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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      South 3 or 4, backing southeast 5 or 6, then veering west or southwest 5 to 7.
    • Sea State

      Slight becoming moderate or rough.
    • Weather

      Rain for a time.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      West backing southwest 5 to 7.
    • Sea State

      Moderate or rough.
    • Weather

      Showers, rain later.
    • Visibility

      Good.

    Issued at 11:00 UTC on Saturday 30th 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Southwest 3 or 4, backing southeast 5 or 6, then veering west 5 to 7 later.
    • Sea State

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

      Fair then occasional rain.
    • Visibility

      Good, becoming moderate or poor.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

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

      Moderate or rough.
    • Weather

      Showers, rain later.
    • Visibility

      Good, occasionally poor later.

    Issued at 11:00 UTC on Saturday 30th May

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Southwest 3 or 4, backing southeast 5 or 6, veering west 5 to 7 later.
    • Sea State

      Smooth or slight, becoming mainly moderate.
    • Weather

      Fair the rain or showers.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      West 5 to 7, backing southwest 6 or 7 later.
    • Sea State

      Moderate, occasionally rough later.
    • Weather

      Showers, rain later.
    • Visibility

      Moderate or good.

    Issued at 11:00 UTC on Saturday 30th May

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable 3 or 4, becoming southeast 5 or 6, veering west 5 to 7, perhaps gale 8 later.
    • Sea State

      Slight, becoming moderate, then rough at times later.
    • Weather

      Rain for a time, then showers later.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      West backing southwest 6 to gale 8, decreasing 5 at times later.
    • Sea State

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

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    Issued at 11:00 UTC on Saturday 30th 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable 3 or 4, becoming southeasterly 5 or 6, veering westerly 5 to 7, perhaps gale 8 later.
    • Sea State

      Slight becoming moderate, then rough at times later.
    • Weather

      Rain for a time then showers later.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Westerly backing southwesterly 6 to gale 8, decreasing 5 at times later.
    • Sea State

      Moderate or rough, occasionally very rough in far northwest.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    Issued at 11:00 UTC on Saturday 30th May

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Southwesterly 3 or 4, backing southeasterly 5 to 7, then veering westerly 6 to gale 8, perhaps severe gale 9 later in north.
    • Sea State

      Slight or moderate, becoming rough or very rough later.
    • Weather

      Rain for a time, then showers later.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Westerly 6 to gale 8, occasionally severe gale 9 at first in north.
    • Sea State

      Rough or very rough, occasionally high in far northwest.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    Issued at 11:00 UTC on Saturday 30th May

  16. The Minch * warning

    The Minch

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable 3 or 4, becoming easterly or southeasterly 5 to 7, veering westerly 6 to gale 8, perhaps severe gale 9 later, in south.
    • Sea State

      Slight or moderate, becoming rough later in south.
    • Weather

      Showers, rain for a time.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Southeasterly 5 to 7 at first in north, otherwise cyclonic, mainly westerly or southwesterly 6 to gale 8, occasionally severe gale 9 in south.
    • Sea State

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

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Saturday 30th 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

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable 3 or 4, becoming easterly or southeasterly 5 to 7, veering westerly 6 to gale 8, perhaps severe gale 9 later, in south.
    • Sea State

      Moderate, becoming rough or very rough later in south.
    • Weather

      Showers, rain for a time.
    • Visibility

      Good, becoming moderate or poor for a time.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Southeasterly 5 to 7 at first in north, otherwise cyclonic, mainly westerly or southwesterly 6 to gale 8, occasionally severe gale 9 in south.
    • Sea State

      Moderate at first in north, otherwise rough or very rough, becoming high for a time in south.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Saturday 30th May

  18. Shetland Isles * warning

    Shetland Isles

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    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      North or northwest becoming variable 3 or 4, becoming east or southeast 4 or 5 later.
    • Sea State

      Slight, occasionally moderate at first.
    • Weather

      Showers.
    • Visibility

      Mainly good.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 11:00 UTC on Saturday 30th May

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

    Gale Warnings in operation for Sea Area Fair Isle: Nil

    11:00 UTC Sat 30th May – 22:59 UTC Sat 30th May

    • Wind

      North or northwest becoming variable 3 or 4.
    • Sea State

      Slight, occasionally moderate at first.
    • Weather

      Isolated showers.
    • Visibility

      Mainly good.

    23:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      Variable 3 or 4, becoming east or southeast 4 or 5.
    • Sea State

      Slight.
    • Weather

      Isolated showers.
    • Visibility

      Mainly good.

    Issued at 11:00 UTC on Saturday 30th May

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    11:00 UTC Sat 30th May – 10:59 UTC Sun 31st May

    • Wind

      West 3 to 4 backing south this afternoon, increasing 5 to 6 overnight, veering southwest by dawn, decreasing 4 to 5 for a time tomorrow morning, further veering northwest around midday.
    • Sea State

      Slight becoming moderate to rather rough tomorrow.
    • Weather

      Occasional rain or drizzle from late evening.
    • Visibility

      Very good becoming moderate to poor in rain.

    11:00 UTC Sun 31st May – 10:59 UTC Mon 1st Jun

    • Wind

      Northwest 5 to 6 backing west decreasing 3 to 4 around dawn, further backing southwest Monday morning.
    • Sea State

      Moderate to rather rough becoming mainly slight with swell on Monday.
    • Weather

      Rain or drizzle clearing during the afternoon.
    • Visibility

      Moderate to poor becoming good.

    Issued at 11:00 UTC on Saturday 30th May