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 12 December 20:00 UTC

At 121200UTC, low 53 north 26 west 948 expected 58 north 18 west 980 by 131200UTC. New lows expected 49 north 42 west 955, 62 north 36 west 977 and 49 north 07 west 1002 by same time. High 63 north 11 east 1036 expected 64 north 35 east 1036 by that time. at 121200UTC, high 71 north 28 west 1006 expected 71 north 28 west 1009 by 131200UTC. Lows 63 north 40 west 970 and 75 north 17 west 995 losing their identities

Issued 12 December 20:00 UTC by the Met Office on behalf of the Maritime and Coastguard Agency (MCA).

  1. Sole

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    • Wind

      South becoming cyclonic, mainly northwest, 7 to severe gale 9, decreasing 5 or 6 later.
    • Sea State

      Very rough or high.
    • Weather

      Rain or thundery showers.
    • Visibility

      Moderate or good, occasionally poor.
  2. Shannon

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    • Wind

      Southeast veering west or southwest, 7 to severe gale 9, decreasing 5 or 6 later.
    • Sea State

      Very rough or high.
    • Weather

      Rain or thundery showers.
    • Visibility

      Moderate or good, occasionally poor.
  3. Rockall

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    • Wind

      Southeast veering west or southwest, 7 to severe gale 9, decreasing 5 or 6 later.
    • Sea State

      Very rough or high.
    • Weather

      Rain or thundery showers.
    • Visibility

      Moderate or good, occasionally poor.
  4. Bailey

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    • Wind

      Southeast 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

      Very rough or high.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally poor.
  5. Faeroes

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    • Wind

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

      Very rough, becoming high later.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally poor.
  6. Southeast Iceland

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    • Wind

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

      Very rough, becoming high later.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally poor.
  7. East Northern Section

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    • Wind

      Cyclonic becoming southerly or southwesterly later, 6 to gale 8, increasing severe gale 9 at times.
    • Sea State

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

      Occasionally rain or squally showers.
    • Visibility

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

    Storm warning issued 12 December 20:00 UTC

    At 121200UTC, low 53 north 26 west 948 expected 58 north 18 west 980 by 131200UTC. Winds will continue to reach storm force 10 at times in the southwestern quadrant between 75 miles and 200 miles of the centre until 130600UTC. New low expected 49 north 42 west 955 by same time. Easterly winds will reach storm force 10 between 49 north and 51 north in the far west of West Central Section between 130800UTC and 131200UTC. Winds will also reach storm force 10 at times in the southern semi-circle between 75 miles and 300 miles of the centre after 130800UTC. Winds will also reach violent storm force 11 at times in the southern semi-circle between 100 miles and 225 miles of the centre after 13100UTC. New low expected 62 north 36 west 977 by that time. Northeasterly winds are expected to reach storm force 10 at times in the far northwest of West Northern Section and the far southwest of Denmark Strait after 131500UTC.

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    • Wind

      Easterly or southeasterly 5 or 6, becoming cyclonic 5 to 7, increasing gale 8 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Occasional rain or wintry showers.
    • Visibility

      Moderate or good, occasionally poor.
  9. East Central Section

    Storm warning issued 12 December 20:00 UTC

    At 121200UTC, low 53 north 26 west 948 expected 58 north 18 west 980 by 131200UTC. Winds will continue to reach storm force 10 at times in the southwestern quadrant between 75 miles and 200 miles of the centre until 130600UTC. New low expected 49 north 42 west 955 by same time. Easterly winds will reach storm force 10 between 49 north and 51 north in the far west of West Central Section between 130800UTC and 131200UTC. Winds will also reach storm force 10 at times in the southern semi-circle between 75 miles and 300 miles of the centre after 130800UTC. Winds will also reach violent storm force 11 at times in the southern semi-circle between 100 miles and 225 miles of the centre after 13100UTC. New low expected 62 north 36 west 977 by that time. Northeasterly winds are expected to reach storm force 10 at times in the far northwest of West Northern Section and the far southwest of Denmark Strait after 131500UTC.

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    • Wind

      Westerly 7 to severe gale 9, occasionally storm 10 at first in northwest, decreasing 5 or 6, then backing southerly or southeasterly 6 to gale 8 later.
    • Sea State

      High, occasionally very high at first.
    • Weather

      Squally showers, rain later.
    • Visibility

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

    Storm warning issued 12 December 20:00 UTC

    At 121200UTC, low 53 north 26 west 948 expected 58 north 18 west 980 by 131200UTC. Winds will continue to reach storm force 10 at times in the southwestern quadrant between 75 miles and 200 miles of the centre until 130600UTC. New low expected 49 north 42 west 955 by same time. Easterly winds will reach storm force 10 between 49 north and 51 north in the far west of West Central Section between 130800UTC and 131200UTC. Winds will also reach storm force 10 at times in the southern semi-circle between 75 miles and 300 miles of the centre after 130800UTC. Winds will also reach violent storm force 11 at times in the southern semi-circle between 100 miles and 225 miles of the centre after 13100UTC. New low expected 62 north 36 west 977 by that time. Northeasterly winds are expected to reach storm force 10 at times in the far northwest of West Northern Section and the far southwest of Denmark Strait after 131500UTC.

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    • Wind

      Northwesterly 7 to severe gale 9, occasionally storm 10 at first in northeast, decreasing 5 or 6, then backing southeasterly then becoming cyclonic later 7 to severe gale 9, then increasing storm 10 or violent storm 11 later south of 51 north.
    • Sea State

      High or very high, becoming very rough for a time, then occasionally phenomenal later in south.
    • Weather

      Rain or squally showers, occasional snow later in north.
    • Visibility

      Moderate or poor, occasionally good, then occasionally very poor later in northwest.
  11. Denmark Strait

    Storm warning issued 12 December 20:00 UTC

    At 121200UTC, low 53 north 26 west 948 expected 58 north 18 west 980 by 131200UTC. Winds will continue to reach storm force 10 at times in the southwestern quadrant between 75 miles and 200 miles of the centre until 130600UTC. New low expected 49 north 42 west 955 by same time. Easterly winds will reach storm force 10 between 49 north and 51 north in the far west of West Central Section between 130800UTC and 131200UTC. Winds will also reach storm force 10 at times in the southern semi-circle between 75 miles and 300 miles of the centre after 130800UTC. Winds will also reach violent storm force 11 at times in the southern semi-circle between 100 miles and 225 miles of the centre after 13100UTC. New low expected 62 north 36 west 977 by that time. Northeasterly winds are expected to reach storm force 10 at times in the far northwest of West Northern Section and the far southwest of Denmark Strait after 131500UTC.

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    • Wind

      Cyclonic becoming easterly or northeasterly, 5 to 7, increasing gale 8 or severe gale 9 in west, then occasionally storm 10 later in far southwest.
    • Sea State

      Rough or very rough, occasionally moderate in east, and then occasionally high later in far southwest.
    • Weather

      Occasional rain, sleet or snow.
    • Visibility

      Moderate or poor, occasionally very poor. Occasional light icing near ice edge with temperatures ms02 to ms04.
  12. North Iceland

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    • Wind

      Southerly or southeasterly 5 or 6, increasing 7 or gale 8 later in south.
    • Sea State

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

      Occasional rain or drizzle, fog patches in central areas.
    • Visibility

      Moderate or good, occasionally poor, but occasionally very poor in central areas.
  13. Norwegian Basin

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    • Wind

      Southwesterly 3 or 4 near northeastern norway coast, otherwise 5 to 7, increasing gale 8 at times in south and west.
    • Sea State

      Moderate or rough near northeastern norway coast, otherwise rough or very rough.
    • Weather

      Showers.
    • Visibility

      Mainly good.