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 midday

Developing Atlantic low moving rapidly northeast, expected southwest Iceland 966 by midday tomorrow

Issued 1 October 16:25 UTC

  1. Viking

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    • Wind

      Northwesterly backing southerly or southwesterly 4 or 5, increasing 5 to 7 later, perhaps gale 8 later in northwest.
    • Sea State

      Moderate or rough.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.
  2. North Utsire

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    • Wind

      Northwesterly backing southerly or southwesterly 4 or 5, increasing 5 to 7 later.
    • Sea State

      Moderate or rough.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.
  3. South Utsire

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    • Wind

      Northwesterly 4 or 5, occasionally 6 at first, becoming variable 3 or 4.
    • Sea State

      Moderate, becoming rough in north.
    • Weather

      Showers then fair.
    • Visibility

      Moderate becoming good.
  4. Forties

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    • Wind

      Northwesterly backing southwesterly 4 or 5, increasing 5 to 7 later in northwest.
    • Sea State

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

      Fair.
    • Visibility

      Moderate or good.
  5. Cromarty

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    • Wind

      Northwesterly backing southwesterly 4 or 5, increasing 5 to 7 later.
    • Sea State

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

      Fair.
    • Visibility

      Moderate or good.
  6. Forth

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    • Wind

      Northwesterly backing southwesterly 4 or 5, increasing 5 to 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  7. Tyne

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    • Wind

      Northwest, backing south or southeast 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Moderate or good.
  8. Dogger

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    • Wind

      Northwest, backing south or southeast 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Moderate or good.
  9. Fisher

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    • Wind

      Southwesterly veering northerly or northwesterly, 4 or 5, occasionally 6 in northeast, becoming variable 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Moderate or good.
  10. German Bight

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    • Wind

      Southwesterly veering northerly or northwesterly, 4 or 5, becoming variable 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Moderate or good.
  11. Humber

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  12. Thames

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    • Wind

      Variable 3 or 4, occasionally southwesterly 5 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  13. Dover

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    • Wind

      Variable 3 or 4, occasionally southwesterly 5 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  14. Wight

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  15. Portland

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  16. Plymouth

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    • Wind

      Variable 3 or 4.
    • Sea State

      Slight or moderate, becoming rough or very rough in southwest.
    • Weather

      Showers.
    • Visibility

      Good, occasionally poor.
  17. Biscay

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    • Wind

      In north, variable 3 or 4. In south, easterly or northeasterly 4 or 5.
    • Sea State

      In north, slight or moderate, becoming rough or very rough in north. in south, moderate, becoming rough or very rough in west.
    • Weather

      In north, showers. In south, fair.
    • Visibility

      In north, good, occasionally poor. In south, moderate or good.
  18. Trafalgar

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Easterly gale force 8 continuing

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    • Wind

      Easterly or northeasterly 5 or 6, increasing 7 or gale 8 in southeast.
    • Sea State

      Moderate occasionally rough later.
    • Weather

      Showers.
    • Visibility

      Good.
  19. FitzRoy

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    • Wind

      In south, easterly or northeasterly 4 or 5, occasionally 6 in east. In north, variable 4, occasionally northeasterly 5 at first, becoming southwesterly 5 or 6 later in northwest.
    • Sea State

      In south, moderate, becoming rough or very rough. in north, moderate or rough, becoming rough or very rough.
    • Weather

      In south, fair. In north, showers.
    • Visibility

      In south, moderate or good. In north, good, occasionally poor.
  20. Sole

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    • Wind

      Variable 4, occasionally northeasterly 5 at first, becoming southwesterly 5 or 6 later in west.
    • Sea State

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

      Showers.
    • Visibility

      Good, occasionally poor.
  21. Lundy

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    • Wind

      Northerly or northwesterly 4 or 5 becoming variable 3, then southerly 5 or 6 later in north.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  22. Fastnet

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    • Wind

      Northerly or northwesterly 4 or 5 becoming variable 3, then southerly 5 or 6 later.
    • Sea State

      Slight or moderate, becoming rough or very rough in southwest.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  23. Irish Sea

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    • Wind

      Northerly or northwesterly 4 or 5 becoming variable 3, then southerly 5 or 6 later.
    • Sea State

      Slight or moderate.
    • Weather

      Fair.
    • Visibility

      Moderate or good.
  24. Shannon

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Southwesterly gale force 8 expected later

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    • Wind

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

      Rough or very rough, becoming high in northwest.
    • Weather

      Showers.
    • Visibility

      Moderate or poor.
  25. Rockall

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Gale force 8 backing southerly and increasing storm force 10 later

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    • Wind

      Southwest 6 to gale 8 backing south 7 to severe gale 9, occasionally storm 10.
    • Sea State

      Very rough or high.
    • Weather

      Showers then rain.
    • Visibility

      Moderate or poor.
  26. Malin

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Southerly severe gale force 9 expected later

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    • Wind

      Southwest 6 to gale 8 backing south 7 to severe gale 9.
    • Sea State

      Very rough or high.
    • Weather

      Showers then rain.
    • Visibility

      Moderate or poor.
  27. Hebrides

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Gale force 8 backing southerly and increasing storm force 10 later

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    • Wind

      Southwest 6 to gale 8 backing south 7 to severe gale 9, occasionally storm 10.
    • Sea State

      Very rough or high.
    • Weather

      Showers then rain.
    • Visibility

      Moderate or poor.
  28. Bailey

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Southwesterly severe gale force 9 decreasing gale force 8 imminent, backing southerly and increasing storm force 10 later

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    • Wind

      Southwest 6 to gale 8, backing south gale 8 to storm 10 for a time.
    • Sea State

      High, but very high in northwest at first.
    • Weather

      Showers then rain.
    • Visibility

      Poor.
  29. Fair Isle

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Southwesterly gale force 8 imminent, backing southerly and increasing severe gale force 9 later

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    • Wind

      Southwesterly 6 to gale 8 backing southerly 7 to severe gale 9.
    • Sea State

      Rough or very rough becoming very rough or high.
    • Weather

      Rain or showers.
    • Visibility

      Poor.
  30. Faeroes

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Gale force 8 backing southerly and increasing storm force 10 later

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    • Wind

      Southwesterly 6 to gale 8 backing southerly 7 to severe gale 9, occasionally storm 10 later.
    • Sea State

      Rough or very rough becoming very rough or high.
    • Weather

      Rain or showers.
    • Visibility

      Poor.
  31. Southeast Iceland

    Gale Warning: Gale warning issued 1 October 15:05 UTC

    Southwesterly severe gale force 9 backing southerly and decreasing gale force 8 soon, increasing severe gale force 9 later

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    • Wind

      Southwesterly 6 to gale 8 backing southerly 7 to severe gale 9.
    • Sea State

      Rough or very rough becoming very rough or high, occasionally very high.
    • Weather

      Rain or showers.
    • Visibility

      Poor.