Y Tywydd Rhagolwg Llongau

Gosodiadau
Iaith

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

Map of shipping forecast areas

The general synopsis at 0600

Low northern Scotland 1010 expected German Bight 1000 by 0600 tomorrow. Low just north of Faeroes 1007 moving rather quickly southwards, losing its identity. Low southern Norway 994 moving away eastwards

Issued 24 April 10:30 UTC

  1. Viking

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Northerly gale force 8 imminent

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    • Wind

      Northwesterly veering northerly 6 to gale 8, decreasing 5 at times.
    • Sea State

      Rough or very rough, occasionally moderate.
    • Weather

      Squally snow showers.
    • Visibility

      Good, occasionally very poor.
  2. North Utsire

    Gale Warning: Gale warning issued 24 April 09:38 UTC

    Severe gale force 9 backing northwesterly and decreasing gale force 8 imminent

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    • Wind

      Northwesterly veering northerly 6 to gale 8, decreasing 5 at times.
    • Sea State

      Rough or very rough, occasionally moderate.
    • Weather

      Squally snow showers.
    • Visibility

      Good, occasionally very poor.
  3. South Utsire

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Northwesterly gale force 8 expected soon, increasing severe gale force 9 later

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    • Wind

      Northwesterly veering northerly 6 to gale 8, occasionally severe gale 9 at first, then decreasing 5 at times.
    • Sea State

      Rough or very rough, occasionally moderate.
    • Weather

      Squally snow showers.
    • Visibility

      Good, occasionally very poor.
  4. Forties

    Gale Warning: Gale warning issued 24 April 09:38 UTC

    Northerly gale force 8 continuing

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    • Wind

      Cyclonic mainly northwest, 4 or 5 increasing 6 to gale 8.
    • Sea State

      Moderate or rough becoming rough or very rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  5. Cromarty

    Gale Warning: Gale warning issued 24 April 03:46 UTC

    Gale now ceased but northwesterly gale force 8 expected soon

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    • Wind

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

      Moderate or rough becoming rough or very rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  6. Forth

    Gale Warning: Gale warning issued 24 April 03:46 UTC

    Northwesterly gale force 8 expected soon

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    • Wind

      Cyclonic mainly northwest, 4 or 5 increasing 6 to gale 8.
    • Sea State

      Moderate or rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  7. Tyne

    Gale Warning: Gale warning issued 24 April 03:46 UTC

    Northwesterly gale force 8 expected later

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    • Wind

      Cyclonic mainly northwest, 4 or 5 increasing 6 to gale 8.
    • Sea State

      Moderate or rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  8. Dogger

    Gale Warning: Gale warning issued 24 April 03:46 UTC

    Northwesterly gale force 8 expected later

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    • Wind

      Cyclonic mainly northwest, 4 or 5 increasing 6 to gale 8.
    • Sea State

      Moderate or rough.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  9. Fisher

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Northwesterly gale force 8 expected soon, increasing severe gale force 9 later

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    • Wind

      Cyclonic mainly northwesterly 5 or 6, but 7 to severe gale 9 at first in northeast, then decreasing 4 later.
    • Sea State

      Rough or very rough becoming moderate or rough.
    • Weather

      Wintry showers.
    • Visibility

      Good, occasionally poor.
  10. German Bight

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    • Wind

      West or northwest 5 to 7, becoming cyclonic 4 for a time.
    • Sea State

      Moderate or rough.
    • Weather

      Rain then wintry showers.
    • Visibility

      Good, occasionally moderate.
  11. Humber

    Gale Warning: Gale warning issued 24 April 09:38 UTC

    Northwesterly gale force 8 expected soon

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    • Wind

      West or northwest 4 or 5 increasing 5 to 7, occasionally gale 8.
    • Sea State

      Slight or moderate becoming moderate or rough.
    • Weather

      Showers, becoming wintry.
    • Visibility

      Moderate or good.
  12. Thames

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    • Wind

      West or northwest 4 or 5 increasing 5 to 7.
    • Sea State

      Slight or moderate, becoming moderate or rough in north and east.
    • Weather

      Showers, becoming wintry.
    • Visibility

      Moderate or good.
  13. Dover

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    • Wind

      West veering north or northwest, 4 or 5, increasing 6 or 7 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.
  14. Wight

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    • Wind

      West veering north or northwest, 4 or 5, increasing 6 or 7 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.
  15. Portland

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    • Wind

      West veering north or northwest, 4 or 5, increasing 6 or 7 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.
  16. Plymouth

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    • Wind

      Variable mainly west 4 becoming north or northwest 4 or 5, then increasing 6 or 7 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally moderate.
  17. Biscay

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    • Wind

      Cyclonic 3 or 4 becoming north or northeast 5 to 7, perhaps gale 8 later.
    • Sea State

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

      Fair then rain.
    • Visibility

      Good, occasionally poor.
  18. Trafalgar

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    • Wind

      Northerly or northwesterly 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.
  19. FitzRoy

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    • Wind

      Cyclonic 3 or 4 becoming north or northeast 5 to 7, perhaps gale 8 later.
    • Sea State

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

      Fair then rain.
    • Visibility

      Good, occasionally poor.
  20. Sole

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    • Wind

      Variable 4 becoming north or northeast 5 to 7.
    • Sea State

      Slight or moderate becoming moderate or rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.
  21. Lundy

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    • Wind

      Variable 4 becoming north or northeast 5 to 7.
    • Sea State

      Slight or moderate becoming moderate or rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.
  22. Fastnet

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    • Wind

      Variable 4 becoming north or northeast 5 to 7.
    • Sea State

      Slight or moderate becoming moderate or rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.
  23. Irish Sea

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Northwesterly gale force 8 expected later

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    • Wind

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

      Slight or moderate becoming moderate or rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.
  24. Shannon

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    • Wind

      North or northeast 4 or 5, increasing 5 to 7.
    • Sea State

      Moderate becoming rough, occasionally very rough later in far north.
    • Weather

      Showers.
    • Visibility

      Good.
  25. Rockall

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Northerly gale force 8 expected later

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    • Wind

      North or northwest 6 to gale 8.
    • Sea State

      Moderate at first in south, otherwise rough or very rough, occasionally high.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  26. Malin

    Gale Warning: Gale warning issued 23 April 15:50 UTC

    Northwesterly severe gale force 9 expected later

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    • Wind

      North or northwest 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Rough or very rough, occasionally high.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  27. Hebrides

    Gale Warning: Gale warning issued 23 April 15:50 UTC

    Gale force 8 veering northerly and increasing severe gale force 9 soon

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    • Wind

      North or northwest 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Rough or very rough, occasionally high.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  28. Bailey

    Gale Warning: Gale warning issued 23 April 15:50 UTC

    Northerly gale force 8 increasing severe gale force 9 soon

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    • Wind

      North or northwest 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Rough or very rough, occasionally high.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  29. Fair Isle

    Gale Warning: Gale warning issued 23 April 21:58 UTC

    Gale force 8 backing northerly imminent then increasing severe gale force 9 later

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    • Wind

      Cyclonic 5 to 7 becoming north or northwest 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Rough or very rough, occasionally high.
    • Weather

      Squally wintry showers.
    • Visibility

      Good, occasionally poor.
  30. Faeroes

    Gale Warning: Gale warning issued 24 April 09:38 UTC

    Northerly storm force 10 decreasing severe gale force 9 imminent

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    • Wind

      Northerly 7 to severe gale 9, occasionally storm 10 at first.
    • Sea State

      Very rough or high.
    • Weather

      Squally snow showers.
    • Visibility

      Good, occasionally very poor.
  31. Southeast Iceland

    Gale Warning: Gale warning issued 24 April 09:38 UTC

    Northerly storm force 10 decreasing severe gale force 9 imminent

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    • Wind

      Northerly 7 to severe gale 9, occasionally storm 10 at first, then backing northwesterly 4 or 5.
    • Sea State

      Very rough or high becoming moderate or rough.
    • Weather

      Squally snow showers.
    • Visibility

      Good, occasionally very poor.