Weather High Seas

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Map of high seas locations

The general synopsis at 20 December 20:00 UTC

At 201200UTC, low 63 north 34 west 968 expected 62 north 30 west 962 by 211200UTC. New low expected 65 north 13 west 970 by same time. Low 42 north 40 west 1007 expected 49 north 35 west 1010 by that time. at 201200UTC, high 46 north 10 west 1037 expected 45 north 01 west 1038 by 211200UTC

Issued 20 December 20:00 UTC

  1. Sole

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    • Wind

      Southwest 4 or 5 increasing 5 to 7, perhaps gale 8 later.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain.
    • Visibility

      Moderate or good.
  2. Shannon

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    • Wind

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

      Rough or very rough.
    • Weather

      Rain or drizzle.
    • Visibility

      Good, becoming moderate or poor.
  3. Rockall

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    • Wind

      West or southwest 6 to gale 8.
    • Sea State

      Rough or very rough.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.
  4. Bailey

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    • Wind

      Southwest 6 to gale 8, perhaps severe gale 9 later.
    • Sea State

      Very rough, becoming high.
    • Weather

      Rain then squally wintry showers.
    • Visibility

      Moderate, occasionally poor at first.
  5. Faeroes

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    • Wind

      Variable 4 in east at first otherwise southwesterly 5 to 7, occasionally gale 8 later.
    • Sea State

      Rough or very rough, becoming high in far west later.
    • Weather

      Rain then squally wintry showers.
    • Visibility

      Moderate or poor, occasionally good.
  6. Southeast Iceland

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    • Wind

      Southeasterly veering southwesterly 6 to gale 8, perhaps severe gale 9 later.
    • Sea State

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

      Rain then squally wintry showers.
    • Visibility

      Moderate or poor, occasionally good.
  7. East Northern Section

    Storm warning issued 20 December 20:00 UTC

    At 201200UTC, low 63 north 34 west 968 expected 62 north 30 west 962 by 211200UTC. Winds are expected to reach storm force 10 or violent storm force 11 between 50 and 250 miles of the centre in the southern quadrant. Storm force 10 or violent storm force 11 northeasterly winds will continue in the north and east of Denmark Strait, occasionally hurricane force 12 in the far southwest at first.

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    • Wind

      Becoming cyclonic 6 to gale 8 in far north otherwise westerly or southwesterly 7 to severe gale 9, increasing severe gale 9 or storm 10 through central areas.
    • Sea State

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

      Rain in central and eastern areas at first, otherwise squally wintry showers.
    • Visibility

      Moderate or poor.
  8. West Northern Section

    Storm warning issued 20 December 20:00 UTC

    At 201200UTC, low 63 north 34 west 968 expected 62 north 30 west 962 by 211200UTC. Winds are expected to reach storm force 10 or violent storm force 11 between 50 and 250 miles of the centre in the southern quadrant. Storm force 10 or violent storm force 11 northeasterly winds will continue in the north and east of Denmark Strait, occasionally hurricane force 12 in the far southwest at first.

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    • Wind

      Westerly 7 to severe gale 9, but storm 10 or violent storm 11 in north until later.
    • Sea State

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

      Squally wintry showers.
    • Visibility

      Moderate or poor. Occasional moderate to severe icing in far west.
  9. East Central Section

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    • Wind

      Westerly or southwesterly 5 to 7, occasionally gale 8 in north and west, and mainly 4 or 5 in far southeast.
    • Sea State

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

      Rain or drizzle, then fair in far northwest.
    • Visibility

      Moderate or poor, occasionally good, becoming good in far northwest.
  10. West Central Section

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    • Wind

      Westerly or northwesterly 5 to 7, occasionally gale 8 in north at first, decreasing 4 or 5 in south, and veering northerly in far south later.
    • Sea State

      Rough or very rough, becoming high in far north.
    • Weather

      Occasional rain in south and east at first otherwise mainly fair.
    • Visibility

      Moderate or good.
  11. Denmark Strait

    Storm warning issued 20 December 20:00 UTC

    At 201200UTC, low 63 north 34 west 968 expected 62 north 30 west 962 by 211200UTC. Winds are expected to reach storm force 10 or violent storm force 11 between 50 and 250 miles of the centre in the southern quadrant. Storm force 10 or violent storm force 11 northeasterly winds will continue in the north and east of Denmark Strait, occasionally hurricane force 12 in the far southwest at first.

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    • Wind

      Cyclonic 5 to 7 at times in far south and southeast, otherwise mainly northeasterly gale 8 to storm 10, but violent storm 11 or hurricane force 12 in far west at first.
    • Sea State

      Rough in east at first otherwise very rough or high.
    • Weather

      Rain at times in southeast otherwise snow.
    • Visibility

      Moderate or poor, occasionally very poor. Moderate to severe icing near ice edge with temperatures ms02 to ms05.
  12. North Iceland

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    • Wind

      Becoming cyclonic or southerly 5 to 7 in far southeast, otherwise mainly easterly or northeasterly 7 to severe gale 9.
    • Sea State

      Rough or very rough, becoming high in far southeast and far southwest.
    • Weather

      Rain, snow or squally wintry showers.
    • Visibility

      Moderate or good, occasionally poor.
  13. Norwegian Basin

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    • Wind

      Northwesterly backing southeasterly 5 to 7, occasionally gale 8, veering southwesterly in west later.
    • Sea State

      Rough or very rough.
    • Weather

      Wintry showers then fair, rain in west later.
    • Visibility

      Moderate or good, occasionally poor.