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

Developing Atlantic low moving rather quickly northeast, expected west Faeroes 990 by 0600 tomorrow

Issued 30 August 10:30 UTC

  1. Viking

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    • Wind

      Westerly or southwesterly 4 or 5 backing southerly or southwesterly 5 to 7.
    • Sea State

      Moderate, becoming moderate or rough.
    • Weather

      Occasional rain or drizzle.
    • Visibility

      Good, occasionally poor.
  2. North Utsire

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    • Wind

      Westerly or southwesterly 4 or 5 backing southerly or southwesterly 5 to 7, perhaps gale 8 later.
    • Sea State

      Moderate, becoming moderate or rough.
    • Weather

      Occasional rain or drizzle.
    • Visibility

      Good, occasionally poor.
  3. South Utsire

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    • Wind

      Westerly backing southerly 4 or 5, occasionally 6 later.
    • Sea State

      Slight or moderate.
    • Weather

      Mainly fair.
    • Visibility

      Moderate or good.
  4. Forties

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    • Wind

      South or southwest 4 or 5 increasing 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Rain for a time.
    • Visibility

      Good, occasionally poor.
  5. Cromarty

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    • Wind

      South or southwest 4 or 5 increasing 5 to 7.
    • Sea State

      Slight or moderate.
    • Weather

      Rain for a time.
    • Visibility

      Good, occasionally poor.
  6. Forth

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    • Wind

      South or southwest 4 or 5 increasing 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Rain for a time.
    • Visibility

      Good, occasionally poor.
  7. Tyne

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    • Wind

      South or southwest 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Rain later.
    • Visibility

      Good, occasionally moderate later.
  8. Dogger

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    • Wind

      South or southwest 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Rain later.
    • Visibility

      Good, occasionally moderate later.
  9. Fisher

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    • Wind

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

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good, occasionally moderate.
  10. German Bight

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    • Wind

      West backing south or southwest, 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good, occasionally moderate.
  11. Humber

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    • Wind

      South or southwest 4 or 5, becoming variable 3 at times.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  12. Thames

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight.
    • Weather

      Fair.
    • Visibility

      Good, occasionally poor.
  13. Dover

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight.
    • Weather

      Fair.
    • Visibility

      Good, occasionally poor.
  14. Wight

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight.
    • Weather

      Fair.
    • Visibility

      Good, occasionally poor.
  15. Portland

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight.
    • Weather

      Fair.
    • Visibility

      Good, occasionally poor.
  16. Plymouth

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    • Wind

      Southerly or southwesterly, veering northwesterly later in northwest, 3 or 4, occasionally 5 later.
    • Sea State

      Slight, becoming moderate later except in northeast.
    • Weather

      Drizzle later.
    • Visibility

      Good, occasionally poor.
  17. Biscay

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    • Wind

      Variable 3 or 4, occasionally northeasterly 5 in southeast.
    • Sea State

      Slight or moderate.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally poor.
  18. Trafalgar

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    • Wind

      North or northwest 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  19. FitzRoy

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    • Wind

      In southeast, northerly or northeasterly 5 or 6. In northwest, southerly veering westerly or northwesterly, 4 or 5, occasionally 6 at first.
    • Sea State

      In southeast, slight or moderate, occasionally rough. in northwest, moderate or rough.
    • Weather

      In southeast, fair. In northwest, rain or drizzle for a time.
    • Visibility

      In southeast, good. In northwest, good, occasionally poor.
  20. Sole

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    • Wind

      Southerly veering westerly or northwesterly, 4 or 5, occasionally 6 at first.
    • Sea State

      Moderate or rough, but occasionally very rough in west.
    • Weather

      Rain or drizzle for a time.
    • Visibility

      Good, occasionally poor.
  21. Lundy

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    • Wind

      Southerly or southwesterly, veering westerly later, 4 or 5, occasionally 6 in west.
    • Sea State

      Slight or moderate.
    • Weather

      Rain or drizzle for a time.
    • Visibility

      Good, occasionally poor.
  22. Fastnet

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    • Wind

      Southerly or southwesterly, veering westerly later, 4 or 5, increasing 6 at times.
    • Sea State

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

      Rain or drizzle for a time.
    • Visibility

      Good, occasionally poor.
  23. Irish Sea

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    • Wind

      Southerly or southwesterly, veering westerly later, 4 or 5, increasing 6 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Rain or drizzle for a time.
    • Visibility

      Good, occasionally poor.
  24. Shannon

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    • Wind

      Southerly veering westerly 5 to 7, decreasing 4 later in south.
    • Sea State

      Moderate at first in southeast, otherwise rough or very rough.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor at first.
  25. Rockall

    Gale Warning: Gale warning issued 30 August 03:45 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

      South or southwest, veering west later, 5 to 7, increasing gale 8 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  26. Malin

    Gale Warning: Gale warning issued 30 August 03:45 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

      South or southwest, veering west later, 5 to 7, increasing gale 8 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  27. Hebrides

    Gale Warning: Gale warning issued 30 August 03:45 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

      South or southwest, veering west later, 5 to 7, increasing gale 8 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  28. Bailey

    Gale Warning: Gale warning issued 30 August 11:15 UTC

    Southerly gale force 8 imminent

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    • Wind

      South or southwest, veering west later, 5 to 7.
    • Sea State

      Rough or very rough.
    • Weather

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  29. Fair Isle

    Gale Warning: Gale warning issued 30 August 09:34 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

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

      Moderate or rough.
    • Weather

      Rain or drizzle, then showers.
    • Visibility

      Moderate or good, occasionally poor.
  30. Faeroes

    Gale Warning: Gale warning issued 30 August 09:34 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

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

      Moderate or rough.
    • Weather

      Rain or drizzle, then showers.
    • Visibility

      Moderate or good, occasionally poor.
  31. Southeast Iceland

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    • Wind

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

      Moderate or rough.
    • Weather

      Rain or showers, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.