Y Tywydd Moroedd Uchel

Gosodiadau
Iaith
Map of high seas locations

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

The general synopsis at 22 September 19:00 UTC

At 221200UTC, low 50 north 34 west 970 expected 55 north 24 west with little change by 231200UTC. New low expected 59 north 26 west 970 by same time. Lows 56 north 08 west 1006, 62 north 25 west 992 and 72 north 13 west 1000 all losing their identities by that time. at 221200UTC, high 43 north 51 west 1025 expected 42 north 49 west 1023 by 231200UTC. New high expected 71 north 28 west 1014 by same time

Issued 22 September 20:00 UTC

  1. Sole

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    • Wind

      Southwesterly 6 to gale 8, occasionally severe gale 9 in west.
    • Sea State

      Rough or very rough, occasionally high in west.
    • Weather

      Rain or showers.
    • Visibility

      Good occasionally poor.
  2. Shannon

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    • Wind

      South 7 to severe gale 9, decreasing 6 later.
    • Sea State

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

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  3. Rockall

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    • Wind

      South 7 to severe gale 9.
    • Sea State

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

      Rain then showers.
    • Visibility

      Moderate or good, occasionally poor.
  4. Bailey

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    • Wind

      Southeast 6 to gale 8, occasionally severe gale 9.
    • Sea State

      Moderate, becoming rough or very rough, occasionally high later.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.
  5. Faeroes

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    • Wind

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

      Moderate or rough, occasionally very rough later.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.
  6. Southeast Iceland

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    • Wind

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

      Moderate or rough, occasionally very rough later.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.
  7. East Northern Section

    Storm warning issued 22 September 20:00 UTC

    At 221200UTC, low 50 north 34 west 970 expected 55 north 24 west with little change by 231200UTC. Westerly or northwesterly winds will reach storm force 10 in the southwest quadrant between 50 and 150 miles from the centre until 230000UTC. New low expected 59 north 26 west 970 by same time. Winds will reach storm force 10 in the southwest quadrant between 50 and 100 miles from the centre from 230900UTC.

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    • Wind

      Easterly 7 to severe gale 9, becoming cyclonic, gale 8 to storm 10.
    • Sea State

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

      Rain or squally showers.
    • Visibility

      Moderate or good, occasionally poor.
  8. West Northern Section

    Storm warning issued 22 September 20:00 UTC

    At 221200UTC, low 50 north 34 west 970 expected 55 north 24 west with little change by 231200UTC. Westerly or northwesterly winds will reach storm force 10 in the southwest quadrant between 50 and 150 miles from the centre until 230000UTC. New low expected 59 north 26 west 970 by same time. Winds will reach storm force 10 in the southwest quadrant between 50 and 100 miles from the centre from 230900UTC.

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    • Wind

      Northerly 5 to 7, backing westerly 4 or 5 later.
    • Sea State

      Rough, occasionally moderate later.
    • Weather

      Showers.
    • Visibility

      Good.
  9. East Central Section

    Storm warning issued 22 September 20:00 UTC

    At 221200UTC, low 50 north 34 west 970 expected 55 north 24 west with little change by 231200UTC. Westerly or northwesterly winds will reach storm force 10 in the southwest quadrant between 50 and 150 miles from the centre until 230000UTC. New low expected 59 north 26 west 970 by same time. Winds will reach storm force 10 in the southwest quadrant between 50 and 100 miles from the centre from 230900UTC.

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    • Wind

      Southerly, becoming cyclonic, 7 to severe gale 9, occasionally storm 10 at first in far southwest.
    • Sea State

      Very rough or high, occasionally rough at first in far east and in far north.
    • Weather

      Rain or squally showers.
    • Visibility

      Moderate or poor, occasionally good.
  10. West Central Section

    Storm warning issued 22 September 20:00 UTC

    At 221200UTC, low 50 north 34 west 970 expected 55 north 24 west with little change by 231200UTC. Westerly or northwesterly winds will reach storm force 10 in the southwest quadrant between 50 and 150 miles from the centre until 230000UTC. New low expected 59 north 26 west 970 by same time. Winds will reach storm force 10 in the southwest quadrant between 50 and 100 miles from the centre from 230900UTC.

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    • Wind

      Northwesterly 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 or 5 later.
    • Sea State

      Very high occasionally very high at first in south, becoming rough later.
    • Weather

      Squally showers at first.
    • Visibility

      Moderate or poor, becoming good.
  11. Denmark Strait

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    • Wind

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

      Moderate or rough, becoming very rough later, occasionally high later.
    • Weather

      Rain or showers, with sleet or snow at times near greenland, fog patches.
    • Visibility

      Moderate or good, occasionally very poor.
  12. North Iceland

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    • Wind

      Easterly or southeasterly 5 to 7, occasionally gale 8 later.
    • Sea State

      Moderate or rough, occasionally very rough later.
    • Weather

      Showers, rain later, fog patches at first.
    • Visibility

      Moderate or good, becoming poor later, occasionally very poor at first.
  13. Norwegian Basin

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    • Wind

      Southerly or southeasterly 4 or 5, backing easterly 3 or 4.
    • Sea State

      Slight occasionally moderate at first.
    • Weather

      Rain or showers then fair.
    • Visibility

      Good, occasionally poor at first.