Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

A deepening area of low pressure over the mid Atlantic will move northeastwards passing just to the northwest of Scotland, bringing unsettled weather with gales to affecting areas during the weekend.

* 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 5 or 6, backing southeast 6 to gale 8, decreasing 4 for a time.
    • Sea State

      Slight in east for a time, otherwise moderate or rough, becoming rough or very rough.
    • Weather

      Showers then rain.
    • Visibility

      Moderate or good, occasionally poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      South 6 to gale 8, veering west or southwest 7 to severe gale 9, perhaps storm 10 for a time, decreasing 4 or 5 later.
    • Sea State

      Rough or very rough, becoming moderate or rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest backing southeast for a time, 4 or 5, increasing 6 to gale 8, perhaps severe gale 9 later.
    • Sea State

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

      Showers, rain for a time later.
    • Visibility

      Good, becoming moderate or poor for a time.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwest 7 to severe gale 9, decreasing 5 or 6.
    • Sea State

      Rough or very rough, becoming slight or moderate.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Westerly 4 or 5, backing southeasterly 6 to gale 8, veering southwesterly later.
    • Sea State

      Slight, becoming moderate or rough later.
    • Weather

      Rain for a time later.
    • Visibility

      Good, becoming moderate or poor for a time later.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwesterly 6 to gale 8, perhaps severe gale 9 in north at first, decreasing 5 or 6.
    • Sea State

      Moderate or rough, becoming slight or moderate.
    • Weather

      Showers, then occasional rain.
    • Visibility

      Moderate or good.

    Issued at 12:00 UTC on Friday 27th Mar

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      West backing south 3 or 4, increasing 6 or 7, veering southwest later.
    • Sea State

      Slight or moderate.
    • Weather

      Rain for a time later.
    • Visibility

      Good, occasionally moderate later.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 5 to 7.
    • Sea State

      Slight or moderate.
    • Weather

      Showers, then occasional rain.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Friday 27th Mar

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

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

      Slight or moderate, occasionally rough later.
    • Weather

      Occasional rain later.
    • Visibility

      Good, becoming moderate or poor later.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwesterly 5 to 7, increasing gale 8 at times.
    • Sea State

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

      Showers, occasional rain later.
    • Visibility

      Moderate or good.

    Issued at 12:00 UTC on Friday 27th Mar

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwesterly backing southerly 3 or 4, veering southwesterly 5 to 7.
    • Sea State

      Slight becoming moderate.
    • Weather

      Occasional rain with fog patches later.
    • Visibility

      Good, becoming moderate, occasionally very poor later.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwesterly 5 to 7, occasionally gale 8 later.
    • Sea State

      Moderate, becoming rough or very rough.
    • Weather

      Occasional rain at first and later.
    • Visibility

      Moderate or good, occasionally poor at first.

    Issued at 12:00 UTC on Friday 27th Mar

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest backing south 3 or 4, veering southwest 5 to 7.
    • Sea State

      Slight becoming moderate, occasionally rough later.
    • Weather

      Occasional rain or drizzle, fog patches developing.
    • Visibility

      Good, becoming moderate or poor, occasionally very poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwest 5 to 7, occasionally gale 8 later.
    • Sea State

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

      Occasional rain at first and later.
    • Visibility

      Moderate or good, occasionally poor at first and later.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      South or southeast 3 or 4, veering southwest 5 to 7.
    • Sea State

      Slight or moderate, becoming moderate or rough.
    • Weather

      Occasional rain or drizzle, fog patches.
    • Visibility

      Moderate, occasionally very poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwest 5 to 7, occasionally gale 8 later.
    • Sea State

      Moderate or rough, becoming rough or very rough, occasionally high in far west later.
    • Weather

      Mainly fair, then occasional rain.
    • Visibility

      Good, becoming moderate, occasionally poor.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southeast 4 or 5, veering southwest 5 to 7.
    • Sea State

      Slight or moderate, becoming moderate or rough, occasionally very rough in west later.
    • Weather

      Occasional rain or drizzle, fog patches.
    • Visibility

      Moderate, occasionally very poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Southwest 5 to 7, increasing gale 8 or severe gale 9 later.
    • Sea State

      Rough or very rough, occasionally high in west later.
    • Weather

      Showers, then occasional rain.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      South or southeast 3 or 4, increasing 5 or 6, veering southwest 5 to 7, occasionally gale 8 later.
    • Sea State

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

      Occasional rain with fog patches for a time, showers later.
    • Visibility

      Moderate or good, becoming poor or very poor for a time.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 5 to 7, increasing gale 8 at times.
    • Sea State

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

      Showers, then occasional rain.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest backing southeast 3 or 4, increasing 5 to 7, then veering southwest 6 to gale 8.
    • Sea State

      Smooth or slight, becoming moderate or rough.
    • Weather

      Fair then rain for a time, showers later.
    • Visibility

      Good, becoming moderate, occasionally poor for a time.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 5 to 7, increasing gale 8 at times.
    • Sea State

      Moderate or rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 3 or 4, backing southeast 4 or 5, veering south or southwest 6 to gale 8, then veering west later.
    • Sea State

      Slight, becoming moderate or rough later.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good, becoming moderate or poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 6 or 7, decreasing 5 or 6 for a time.
    • Sea State

      Moderate or rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 4 or 5, backing southeast 6 to gale 8, then veering southwest 7 to severe gale 9 later.
    • Sea State

      Slight or moderate, becoming moderate or rough, occasionally very rough in north later.
    • Weather

      Mainly fair then rain, showers later.
    • Visibility

      Good, becoming moderate or poor for a time.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

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

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

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwesterly 4 or 5, backing southeasterly 6 to gale 8, then veering southwesterly 7 to severe gale 9 later.
    • Sea State

      Slight, becoming moderate or rough, occasionally very rough near Mull of Kintyre later.
    • Weather

      Mainly fair then rain, showers later.
    • Visibility

      Good, becoming moderate or poor for a time.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 in north at first, decreasing 5 at times.
    • Sea State

      Moderate or rough, occasionally very rough near Mull of Kintyre at first.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwesterly 5 or 6, backing southeasterly 6 to gale 8, then veering westerly or southwesterly 7 to severe gale 9.
    • Sea State

      Moderate or rough, becoming very rough or high.
    • Weather

      Showers, rain for a time.
    • Visibility

      Good, becoming moderate, occasionally poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      Westerly 6 to gale 8, occasionally severe gale 9 at first, becoming variable 4 for a time in north.
    • Sea State

      Very rough or high, becoming rough or very rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  16. The Minch * warning

    The Minch

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 5 or 6, backing southeast 6 to gale 8, then veering west or southwest 7 to severe gale 9 later.
    • Sea State

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

      Showers, then rain.
    • Visibility

      Good, becoming moderate or poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 or 5 for a time.
    • Sea State

      Rough or very rough, becoming slight or moderate.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th 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

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 5 or 6, backing southeast 6 to gale 8, then veering west or southwest 7 to severe gale 9 later.
    • Sea State

      Rough, becoming very rough or high.
    • Weather

      Showers, then rain.
    • Visibility

      Good, becoming moderate or poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West or southwest 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 or 5 for a time.
    • Sea State

      Very rough or high, becoming rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Friday 27th Mar

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 5 to 7, backing southeast 6 to gale 8, perhaps severe gale 9 later.
    • Sea State

      Rough becoming very rough, but moderate in east for a time.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate, occasionally poor later.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 12:00 UTC on Friday 27th Mar

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

    Gale Warnings in operation for Sea Area Fair Isle: Nil at time of issue

    12:00 UTC Fri 27th Mar – 23:59 UTC Fri 27th Mar

    • Wind

      Southwest 5 to 7, occasionally 4 in east at first and in west later.
    • Sea State

      Rough, but mainly moderate in east.
    • Weather

      Showers.
    • Visibility

      Mainly good.

    00:00 UTC Sat 28th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 4 or 5 backing southeast 6 to gale 8, perhaps severe gale 9 later.
    • Sea State

      Moderate in east at first.
    • Weather

      Fair, rain later.
    • Visibility

      Good becoming moderate, perhaps poor, later.

    Issued at 12:00 UTC on Friday 27th Mar

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

    • Wind

      Southwest 3 to 4, backing southerly during the afternoon and increasing 4 to 5 by late afternoon, veering southwest to west late evening and increasing 5 to 6 around dawn, locally 7 in the north later.
    • Sea State

      Slight becoming moderate tonight, then moderate to rather rough in the morning, locally rough in the north later.
    • Weather

      Occasional rain or drizzle with fog patches from this evening.
    • Visibility

      Moderate to very poor.

    12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

    • Wind

      West to southwest 5 to 6, locally 7 in the north of the area at first, increasing 6 to 7 Sunday morning, locally gale 8 in the north.
    • Sea State

      Moderate to rough, becoming rough to very rough later.
    • Weather

      Occasional light rain or drizzle risk of fog patches at times.
    • Visibility

      Moderate to poor, perhaps very poor.

    Issued at 12:00 UTC on Friday 27th Mar

From Cape Wrath to Rattray Head including Orkney

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Strong wind warning

12:00 UTC Fri 27th Mar – 11:59 UTC Sat 28th Mar

  • Wind

    Southwest 5 or 6, backing southeast 6 to gale 8, decreasing 4 for a time.
  • Sea State

    Slight in east for a time, otherwise moderate or rough, becoming rough or very rough.
  • Weather

    Showers then rain.
  • Visibility

    Moderate or good, occasionally poor.

12:00 UTC Sat 28th Mar – 11:59 UTC Sun 29th Mar

  • Wind

    South 6 to gale 8, veering west or southwest 7 to severe gale 9, perhaps storm 10 for a time, decreasing 4 or 5 later.
  • Sea State

    Rough or very rough, becoming moderate or rough.
  • Weather

    Rain or showers.
  • Visibility

    Moderate or good, occasionally poor.

Issued at 12:00 UTC on Friday 27th Mar