Weather High Seas

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Map of high seas locations

Mapping images supplied by the Maritime and Coastguard Agency (MCA).

The general synopsis at 25 April 19:00 UTC

At 251200UTC, low 50 north 36 west 999 expected 53 north 15 west 984 by 261200UTC. Low 61 north 39 west 983 expected 57 north 34 west 997 by same time. Low 56 north 14 west 985 slow-moving, filling 989 by that time. at 251200UTC, low 76 north 10 west 1019 expected 73 north 17 east 1019 by 261200UTC. New lows expected 61 north 12 west 993 and 64 north 30 west 995 by same time. High 38 north 26 west 1026 expected 38 north 20 west 1031 by that time. New high expected 71 north 28 west 1025 by 261200UTC

Issued 25 April 19:00 UTC by the Met Office on behalf of the Maritime and Coastguard Agency (MCA).

  1. Sole

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    • Wind

      Southwest, veering northwest for a time, 6 to gale 8, occasionally severe gale 9 later.
    • Sea State

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

      Showers.
    • Visibility

      Good, occasionally poor.
  2. Shannon

    Storm warning issued 25 April 19:00 UTC

    At 251200UTC, low 50 north 36 west 999 expected 53 north 15 west 984 by 261200UTC. Winds will reach storm force 10 between 30 and 150 miles of the centre in the southwest semi-circle between 260000UTC and 261500UTC, and between 30 and 150 miles of the centre in the southwest quadrant after 261500UTC. Winds will also reach violent storm force 11 between 50 and 100 miles of the centre in the southwest quadrant between 260300UTC and 262000UTC.

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    • Wind

      West or northwest 7 to severe gale 9 decreasing 5 or 6, becoming cyclonic severe gale 9 to violent storm 11 later.
    • Sea State

      Rough at first in east, otherwise very rough or high, becoming very high later in southwest.
    • Weather

      Rain.
    • Visibility

      Moderate or poor.
  3. Rockall

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    • Wind

      Cyclonic 6 to gale 8, occasionally 5 at first, perhaps severe gale 9 later.
    • Sea State

      Rough or very rough, becoming very rough or high for a time at first in south.
    • Weather

      Rain.
    • Visibility

      Good, occasionally poor.
  4. Bailey

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    • Wind

      East or southeast becoming cyclonic, 4 or 5, increasing 6 at times.
    • Sea State

      Moderate or rough, occasionally very rough.
    • Weather

      Rain or thundery showers.
    • Visibility

      Good, occasionally poor.
  5. Faeroes

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    • Wind

      Easterly or southeasterly 5 to 7.
    • Sea State

      Moderate or rough.
    • Weather

      Rain or showers, fog patches.
    • Visibility

      Moderate, occasionally very poor.
  6. Southeast Iceland

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    • Wind

      Northeasterly 6 to gale 8 at first in west, otherwise easterly or southeasterly 5 to 7.
    • Sea State

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

      Rain or showers, fog patches.
    • Visibility

      Moderate, occasionally very poor.
  7. East Northern Section

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    • Wind

      Westerly or northwesterly, mainly 4 or 5 in west, but otherwise 5 to 7, occasionally gale 8 in south, perhaps severe gale 9 later in far southeast.
    • Sea State

      High at first in far southeast, otherwise rough or very rough, becoming moderate or rough later in north.
    • Weather

      Rain or wintry showers.
    • Visibility

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

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    • Wind

      Cyclonic 5 to 7, occasionally gale 8 in south and in far north and northwest, decreasing 4 at times elsewhere.
    • Sea State

      Rough or very rough, occasionally moderate in north.
    • Weather

      Rain or snow in far north, otherwise sleet or snow showers.
    • Visibility

      Moderate or good, becoming poor at times, but occasionally very poor in far north.
  9. East Central Section

    Storm warning issued 25 April 19:00 UTC

    At 251200UTC, low 50 north 36 west 999 expected 53 north 15 west 984 by 261200UTC. Winds will reach storm force 10 between 30 and 150 miles of the centre in the southwest semi-circle between 260000UTC and 261500UTC, and between 30 and 150 miles of the centre in the southwest quadrant after 261500UTC. Winds will also reach violent storm force 11 between 50 and 100 miles of the centre in the southwest quadrant between 260300UTC and 262000UTC.

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    • Wind

      Northwesterly 5 to 7 at first in east, otherwise westerly or southwesterly 6 to gale 8, occasionally severe gale 9 in north, then veering westerly or northwesterly 4 or 5 later.
    • Sea State

      Very rough or high, occasionally rough in west.
    • Weather

      Rain or showers.
    • Visibility

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

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    • Wind

      Westerly or northwesterly 6 or 7, decreasing 4 or 5 later.
    • Sea State

      Rough or very rough.
    • Weather

      Snow showers then fair.
    • Visibility

      Moderate or good, occasionally poor at first.
  11. Denmark Strait

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    • Wind

      Northerly or northeasterly 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Fair at first in east, otherwise rain, snow or drizzle.
    • Visibility

      Moderate or poor, becoming very poor at times, but occasionally good at first first in east.
  12. North Iceland

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    • Wind

      Easterly or northeasterly, mainly 4 or 5, but 5 to 7 in far south and in far west.
    • Sea State

      Moderate, occasionally rough in far south and in far west.
    • Weather

      Rain, drizzle or showers in south, fog banks.
    • Visibility

      Moderate or good, occasionally very poor.
  13. Norwegian Basin

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    • Wind

      Easterly or southeasterly 4 or 5, increasing 6 or 7 for a time in west and southwest, becoming variable 3 at times in central and eastern areas.
    • Sea State

      Moderate or rough in west, slight or moderate in east.
    • Weather

      Fair in east, but rain, showers and fog patches in central and western areas.
    • Visibility

      Moderate or good, occasionally very poor in central and western areas.