Weather High Seas

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Map of high seas locations

The general synopsis at 23 September 19:00 UTC

At 231200UTC, low 57 north 24 west 964 expected 65 north 30 west 978 by 241200UTC. New low moving rapidly northeastwards, expected 53 north 37 west 982 by same time.

Issued 23 September 20:00 UTC

  1. Sole

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    • Wind

      Southerly or southwesterly 5 or 6, becoming variable 3 or 4 later.
    • Sea State

      Rough or very rough.
    • Weather

      Rain or showers.
    • Visibility

      Good occasionally moderate.
  2. Shannon

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    • Wind

      Southwest 6 to gale 8, decreasing 4 or 5.
    • Sea State

      Very rough, occasionally high at first.
    • Weather

      Showers.
    • Visibility

      Good.
  3. Rockall

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    • Wind

      South veering southwest 6 to gale 8, decreasing 4 or 5 later.
    • Sea State

      Very rough or high.
    • Weather

      Showers.
    • Visibility

      Moderate or good.
  4. Bailey

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    • Wind

      Southeast veering south 7 to severe gale 9.
    • Sea State

      Very rough or high.
    • Weather

      Rain or showers.
    • Visibility

      Good, occasionally poor.
  5. Faeroes

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    • Wind

      South or southeast 6 to gale 8.
    • Sea State

      Rough or very rough.
    • Weather

      Occasional rain.
    • Visibility

      Moderate or good, occasionally poor.
  6. Southeast Iceland

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    • Wind

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

      Very rough or high.
    • Weather

      Occasional rain.
    • Visibility

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

    Storm warning issued 23 September 08:00 UTC

    At 230000UTC, low 56 north 25 west 971 expected 59 north 19 west 975 by 240000UTC. Westerly or northwesterly winds will reach storm force 10 at times in the southwest quadrant between 40 and 100 miles of the centre until 231800UTC. Northeasterly winds will also reach storm force 10 at times in Denmark Strait after 232100UTC.

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    • Wind

      Cyclonic, becoming westerly 6 to gale 8, occasionally severe gale 9 at first in south and in east, backing southerly 5 or 6 later, then southeasterly 6 to gale 8 later in far southwest.
    • Sea State

      Rough or very rough, occasionally high at first in south and in east.
    • Weather

      Rain or showers.
    • Visibility

      Good, occasionally moderate.
  8. West Northern Section

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    • Wind

      Westerly or northwesterly 5 to 7, occasionally gale 8 at first in far east, decreasing 4, then becoming cyclonic later, 6 to gale 8, occasionally severe gale 9 later in west.
    • Sea State

      Moderate or rough until later in west, otherwise rough or very rough.
    • Weather

      Fair then occasional rain.
    • Visibility

      Good becoming moderate or poor.
  9. East Central Section

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    • Wind

      Westerly backing southerly later, 4 or 5, increasing 6 to gale 8 later in west.
    • Sea State

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

      Occasional rain or showers.
    • Visibility

      Good, occasionally poor later in west.
  10. West Central Section

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    • Wind

      Westerly 5 or 6, becoming cyclonic 7 to severe gale 9.
    • Sea State

      Rough or very rough.
    • Weather

      Showers the rain.
    • Visibility

      Good becoming moderate or poor.
  11. Denmark Strait

    Storm warning issued 23 September 20:00 UTC

    At 231200UTC, low 57 north 24 west 964 expected 65 north 30 west 978 by 241200UTC. Northeasterly winds will reach storm force 10 at times in Denmark Strait to the south of 70 north and within 130 miles of the Greenland coast until 240900UTC.

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    • Wind

      Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 south of 70 north and within 130 miles of the greenland coast, becoming cyclonic 6 to gale 8 later.
    • Sea State

      Rough or very rough, becoming very rough or high for a time.
    • Weather

      Occasional rain with snow in north and near greenland coast further southwest.
    • Visibility

      Moderate or poor, occasionally very poor in north and near greenland coast further southwest.
  12. North Iceland

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    • Wind

      Southerly or southeasterly 5 to 7, occasionally gale 8, occasionally severe gale 9 later in southwest.
    • Sea State

      Rough or very rough, occasionally high later in far southeast.
    • Weather

      Occasional rain or drizzle.
    • Visibility

      Moderate or good, occasionally poor.
  13. Norwegian Basin

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    • Wind

      Variable, mainly easterly 3 or 4 in northeast, otherwise southerly 5 to 7.
    • Sea State

      Slight or moderate in east, rough or very rough in west.
    • Weather

      Fair then occasional rain in west.
    • Visibility

      Good, occasionally moderate later in west.