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 midnight

High Malin 1035 slow moving expected 1038 by midnight tonight

Issued 21 April 04:05 UTC

  1. Viking

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    • Wind

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

      Slight or moderate.
    • Weather

      Fog patches, occasional rain later.
    • Visibility

      Moderate, occasionally very poor.
  2. North Utsire

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    • Wind

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

      Slight or moderate.
    • Weather

      Fog patches, occasional rain later.
    • Visibility

      Moderate, occasionally very poor.
  3. South Utsire

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    • Wind

      Northwesterly 5 to 7, perhaps gale 8 later.
    • Sea State

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

      Fog patches for a time.
    • Visibility

      Moderate, occasionally very poor for a time.
  4. Forties

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    • Wind

      Westerly or northwesterly 4 or 5, occasionally 6 in east later.
    • Sea State

      Slight or moderate.
    • Weather

      Fog patches, occasional rain.
    • Visibility

      Moderate, occasionally very poor.
  5. Cromarty

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    • Wind

      Westerly or northwesterly 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Fog patches, occasional rain.
    • Visibility

      Moderate, occasionally very poor.
  6. Forth

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    • Wind

      West becoming variable 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate, occasionally very poor.
  7. Tyne

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    • Wind

      West becoming variable 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate, occasionally very poor.
  8. Dogger

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    • Wind

      Northwest 4 or 5.
    • Sea State

      Smooth or slight, becoming moderate in east later.
    • Weather

      Fog patches.
    • Visibility

      Moderate occasionally very poor.
  9. Fisher

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    • Wind

      Northwest 5 to 7, perhaps gale 8 later.
    • Sea State

      Slight or moderate, becoming moderate or rough.
    • Weather

      Fog patches for a time.
    • Visibility

      Moderate, occasionally very poor for a time.
  10. German Bight

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    • Wind

      Northwest 5 to 7, perhaps gale 8 later.
    • Sea State

      Slight or moderate, becoming moderate or rough.
    • Weather

      Fog patches for a time.
    • Visibility

      Moderate, occasionally very poor for a time.
  11. Humber

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    • Wind

      North or northeast 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Fog patches.
    • Visibility

      Moderate, occasionally very poor.
  12. Thames

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    • Wind

      North or northeast 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Fog patches.
    • Visibility

      Moderate, occasionally very poor.
  13. Dover

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    • Wind

      East or northeast 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  14. Wight

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    • Wind

      East or northeast 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  15. Portland

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    • Wind

      East or northeast 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  16. Plymouth

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    • Wind

      East or northeast 5 or 6, occasionally 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  17. Biscay

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    • Wind

      East or northeast 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  18. Trafalgar

    Gale Warning: Gale warning issued 21 April 03:27 UTC

    Easterly gale force 8 continuing

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    • Wind

      In southeast, cyclonic 5 to 7, but easterly 6 to gale 8 in far southeast. In northwest, variable 4, becoming southwesterly 4 or 5 in west later.
    • Sea State

      In southeast, moderate or rough. in northwest, mainly moderate.
    • Weather

      In southeast, occasional rain. In northwest, showers.
    • Visibility

      In southeast, moderate or good. In northwest, good.
  19. FitzRoy

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    • Wind

      Easterly or northeasterly 5 to 7, but variable 4 in south.
    • Sea State

      Moderate or rough.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally moderate.
  20. Sole

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    • Wind

      East or northeast, 5 or 6.
    • Sea State

      Moderate becoming rough in west.
    • Weather

      Fair.
    • Visibility

      Good.
  21. Lundy

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    • Wind

      East or northeast, 5 or 6.
    • Sea State

      Moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  22. Fastnet

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    • Wind

      East or northeast, 5 or 6.
    • Sea State

      Moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  23. Irish Sea

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    • Wind

      Northeasterly 4 or 5, but variable 3 or 4 at times in north.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  24. Shannon

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    • Wind

      Easterly or northeasterly, 4 or 5 occasionally 6 in far south, but variable 3 or 4 for a time in north.
    • Sea State

      Moderate, occasionally rough in south.
    • Weather

      Fair.
    • Visibility

      Good.
  25. Rockall

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    • Wind

      Variable 3 or 4, but southwesterly 4 or 5 for a time in north, becoming northeasterly 4 or 5 in south.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate, occasionally very poor.
  26. Malin

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    • Wind

      Variable 3 or 4, but southwesterly 4 or 5 for a time in north, becoming northeasterly 4 or 5 in south.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate, occasionally very poor.
  27. Hebrides

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    • Wind

      Westerly or southwesterly 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate occasional very poor.
  28. Bailey

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    • Wind

      Westerly or southwesterly 4 or 5, occasionally 6 in north.
    • Sea State

      Slight or moderate, becoming rough in north.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate occasional very poor.
  29. Fair Isle

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    • Wind

      Westerly or southwesterly 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate occasional very poor.
  30. Faeroes

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    • Wind

      Westerly or southwesterly 4 or 5, occasionally 6 in north.
    • Sea State

      Slight or moderate, becoming rough in north.
    • Weather

      Occasional rain, fog patches.
    • Visibility

      Moderate occasional very poor.
  31. Southeast Iceland

    Gale Warning: Gale warning issued 21 April 03:27 UTC

    Southwesterly gale force 8 expected soon

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    • Wind

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

      Moderate or rough.
    • Weather

      Occasional rain.
    • Visibility

      Moderate or good.