Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Pressure will remain high to the south whilst a deep area of low pressure moves northeastwards close to the north of Scotland. There will be gales or severe gales for the north, with a risk of storm force winds for the far north.

* 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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southerly 5 or 6, veering southwesterly 7 to severe gale 9, perhaps storm 10 later, veering northwesterly 6 to gale 8 later.
    • Sea State

      Moderate or rough, but slight for a time in Moray Firth, becoming rough or very rough, occasionally high later in north.
    • Weather

      Rain or squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Westerly or northwesterly 5 to 7, occasionally gale 8 at first, decreasing 4 at times in south.
    • Sea State

      Moderate or rough, occasionally very rough, becoming mainly slight in Moray Firth.
    • Weather

      Rain or squally showers.
    • Visibility

      Good, occasionally poor.

    Issued at 12:00 UTC on Wednesday 28th Sep

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

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

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

      Occasional rain, then squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Southwest 6 to gale 8, occasionally severe gale 9 at first, veering west or northwest 5 or 6 later.
    • Sea State

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

      Squally showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Wednesday 28th Sep

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      West or southwest 4 or 5, increasing 6 to gale 8.
    • Sea State

      Slight or moderate, occasionally rough later.
    • Weather

      Occasional rain, then squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West or southwest 5 to 7, occasionally gale 8 at first, decreasing 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Wednesday 28th Sep

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      West or southwest 5 to 7, occasionally 4 at first.
    • Sea State

      Slight or moderate, occasionally smooth at first.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally moderate.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West 5 or 6, occasionally 7 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Mainly good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Westerly or southwesterly 5 to 7, occasionally 4 at first.
    • Sea State

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

      Occasional rain later.
    • Visibility

      Good, occasionally moderate later.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Westerly or southwesterly 5 or 6, occasionally 7 at first, then decreasing 4 at times later.
    • Sea State

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

      Rain at first, showers later.
    • Visibility

      Good, occasionally moderate at first.

    Issued at 12:00 UTC on Wednesday 28th Sep

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwesterly 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate, occasionally rough later.
    • Weather

      Occasional rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Southwesterly 5 or 6, occasionally 7 at first, veering westerly 4 or 5.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Rain at first, showers later.
    • Visibility

      Moderate or good, occasionally poor at first.

    Issued at 12:00 UTC on Wednesday 28th Sep

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate, occasionally rough later.
    • Weather

      Occasional rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Southwest 5 or 6, veering west 4 or 5, occasionally 6 later.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest 5 to 7, occasionally 4 at first, veering west 4 or 5 later.
    • Sea State

      Rough in west, and in far south at times, otherwise slight or moderate.
    • Weather

      Rain or drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West 4 or 5, increasing 6 at times.
    • Sea State

      Rough in far west, otherwise slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest 5 to 7, occasionally 4 at first, veering west 5 or 6 later.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain or drizzle with fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West 5 or 6, decreasing 4 at times.
    • Sea State

      Moderate or rough.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Westerly or southwesterly 5 to 7, occasionally gale 8 in north.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain or drizzle, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Westerly or southwesterly 5 to 7, decreasing 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

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

      Moderate or rough, occasionally slight at first.
    • Weather

      Occasional rain or drizzle with fog patches, fair later.
    • Visibility

      Moderate, occasionally very poor, becoming good later.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West or southwest 5 to 7, occasionally gale 8 at first, decreasing 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 12:00 UTC on Wednesday 28th Sep

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

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

      Moderate or rough, occasionally slight at first.
    • Weather

      Occasional rain or drizzle, fair later.
    • Visibility

      Moderate, occasionally poor, becoming good later.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West or southwest 5 to 7, occasionally gale 8 at first, decreasing 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Wednesday 28th Sep

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Westerly or southwesterly 5 to 7, increasing gale 8 at times, occasionally severe gale 9 in far north.
    • Sea State

      Moderate or rough, occasionally slight at first, becoming very rough or high later in north.
    • Weather

      Rain or drizzle at first, showers later.
    • Visibility

      Good, occasionally poor at first.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Westerly or southwesterly 5 to 7, occasionally gale 8 at first, decreasing 4 or 5 later.
    • Sea State

      Rough or very rough at first in north, otherwise slight or moderate.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Westerly or southwesterly 5 to 7, increasing gale 8 at times.
    • Sea State

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

      Rain or drizzle at first, showers later.
    • Visibility

      Good, occasionally poor at first.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Westerly or southwesterly 5 to 7, occasionally gale 8 at first, decreasing 4 or 5 later.
    • Sea State

      Slight or moderate, occasionally rough at first.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 12:00 UTC on Wednesday 28th Sep

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      West or southwest 5 or 6, increasing 7 to severe gale 9.
    • Sea State

      Rough or very rough, becoming high for a time.
    • Weather

      Rain or drizzle at first, showers later.
    • Visibility

      Good, occasionally poor at first.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West 6 to gale 8, decreasing 4 or 5 later.
    • Sea State

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

      Squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Wednesday 28th Sep

  16. The Minch * warning

    The Minch

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest, veering west or northwest, 5 or 6, increasing 7 to severe gale 9, perhaps storm 10 later, then decreasing 5 or 6.
    • Sea State

      Moderate for a time in central areas, otherwise rough or very rough, becoming high in south.
    • Weather

      Rain or drizzle at first, showers later.
    • Visibility

      Good, occasionally poor at first.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West or northwest 5 or 6, increasing 7 at times.
    • Sea State

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

      Squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Wednesday 28th Sep

  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 Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest, veering west or northwest, 5 or 6, increasing 7 to severe gale 9, perhaps storm 10 later, then decreasing 5 or 6.
    • Sea State

      Very rough or high, occasionally rough at first.
    • Weather

      Rain or drizzle at first, showers later.
    • Visibility

      Good, occasionally poor at first.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      West or northwest 5 or 6, increasing 7 at times.
    • Sea State

      Rough, occasionally very rough at first.
    • Weather

      Squally showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 12:00 UTC on Wednesday 28th Sep

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Northwest 4 or 5, becoming variable 3 or 4, then becoming cyclonic 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Moderate close inshore in east, otherwise rough or very rough.
    • Weather

      Rain at first, squally showers later.
    • Visibility

      Moderate or good, occasionally poor.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 12:00 UTC on Wednesday 28th Sep

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

    Gale Warnings in operation for Sea Area Fair Isle: Southwesterly severe gale force 9 expected soon, increasing storm force 10 later.

    12:00 UTC Wed 28th Sep – 23:59 UTC Wed 28th Sep

    • Wind

      Northwesterly 4 or 5, becoming variable 3 or 4, then becoming cyclonic 6 to gale 8 later.
    • Sea State

      Moderate close inshore in east, otherwise rough or very rough.
    • Weather

      Occasional rain.
    • Visibility

      Moderate or good, occasionally poor.

    00:00 UTC Thu 29th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Cyclonic, becoming northwesterly later, 6 to gale 8, increasing severe gale 9 at times, perhaps storm force 10 in far south.
    • Sea State

      Rough or very rough.
    • Weather

      Squally showers.
    • Visibility

      Good, occasionally poor.

    Issued at 12:00 UTC on Wednesday 28th Sep

  19. The Channel Islands * warning

    The Channel Islands

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    Strong wind warning

    12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

    • Wind

      Southwest 3 to 4, increasing 4 to 5 by evening, locally variable 2 to 3 in the south, becoming generally southwest by midnight, 4 in the south to 6 in the north, perhaps 7 in the north during the morning, veering northwest 4 to 5 northwards of guernsey by noon.
    • Sea State

      Slight to moderate, becoming moderate to rather rough.
    • Weather

      Rain and drizzle from the west overnight.
    • Visibility

      Good, becoming moderate to poor in rain.

    12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

    • Wind

      Northwest to west 4 to 5, locally southwest 4 to 6 south of guernsey until late afternoon, backing west to southwest 3 to 4 Friday morning.
    • Sea State

      Moderate to rather rough with a low swell, becoming slight to moderate on Friday.
    • Weather

      Rain and drizzle clearing by late afternoon. Scattered showers developing on Friday.
    • Visibility

      Moderate to poor, becoming good except in showers.

    Issued at 12:00 UTC on Wednesday 28th Sep

Lyme Regis to Lands End including the Isles of Scilly

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Strong wind warning

12:00 UTC Wed 28th Sep – 11:59 UTC Thu 29th Sep

  • Wind

    Southwest 5 to 7, occasionally 4 at first, veering west 4 or 5 later.
  • Sea State

    Rough in west, and in far south at times, otherwise slight or moderate.
  • Weather

    Rain or drizzle, fog patches.
  • Visibility

    Moderate or good, occasionally very poor.

12:00 UTC Thu 29th Sep – 11:59 UTC Fri 30th Sep

  • Wind

    West 4 or 5, increasing 6 at times.
  • Sea State

    Rough in far west, otherwise slight or moderate.
  • Weather

    Showers.
  • Visibility

    Good.

Issued at 12:00 UTC on Wednesday 28th Sep