Weather High Seas

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Map of high seas locations

The general synopsis at 30 April 07:00 UTC

At 300000UTC, low 53 north 45 west 990 expected 53 north 38 west 975 by 010000UTC. Developing low expected 51 north 04 west 995 by same time. Lows 50 north 11 west 988 and 59 north 32 west 991 both slow-moving losing their identities. New lows expected 61 north 21 west 999 and 44 north 38 west 986 by that time. New high expected 72 north 26 west 1026 by 010000UTC

Issued 30 April 08:00 UTC

  1. Sole

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    • Wind

      Westerly or northwesterly, backing southwesterly later in west, 6 to gale 8, decreasing 4 at times, perhaps increasing severe gale 9 later.
    • Sea State

      Rough or very rough, occasionally high later.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.
  2. Shannon

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    • Wind

      Cyclonic 6 to gale 8, occasionally severe gale 9 at first, becoming variable 3 or 4 later in west.
    • Sea State

      Rough or very rough, occasionally high.
    • Weather

      Rain at times.
    • Visibility

      Moderate or good, occasionally poor.
  3. Rockall

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    • Wind

      Cyclonic 6 to gale 8, becoming variable 3 or 4.
    • Sea State

      Rough or very rough, occasionally moderate.
    • Weather

      Rain at times.
    • Visibility

      Moderate or good.
  4. Bailey

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    • Wind

      East or southeast 5 to 7, decreasing 4 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally moderate.
  5. Faeroes

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    • Wind

      East or southeast 5 to 7, decreasing 4 at times.
    • Sea State

      Rough or very rough, occasionally moderate.
    • Weather

      Fair.
    • Visibility

      Good.
  6. Southeast Iceland

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    • Wind

      Easterly or southeasterly 5 to 7, occasionally gale 8 at first in northwest.
    • Sea State

      Rough or very rough, occasionally moderate later.
    • Weather

      Rain at times.
    • Visibility

      Moderate or good.
  7. East Northern Section

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    • Wind

      Cyclonic 5 at first in far west, otherwise variable 3 or 4, becoming easterly or southeasterly 5 to 7, increasing gale 8 for a time, then veering southerly 4 in south.
    • Sea State

      Rough, becoming moderate for a time.
    • Weather

      Wintry showers, then rain or drizzle for a time, fog patches developing later.
    • Visibility

      Moderate or good, becoming poor or very poor at times.
  8. West Northern Section

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    • Wind

      Cyclonic 4 or 5 at first in east, otherwise easterly or northeasterly 5 to 7, occasionally gale 8 later, then veering southerly 4 later in far southeast.
    • Sea State

      Moderate or rough.
    • Weather

      Showers, wintry at first in east, then rain for a time in south and east, fog patches developing later.
    • Visibility

      Moderate or good, becoming poor or very poor at times later in southeast.
  9. East Central Section

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    • Wind

      Southerly or southwesterly 4 at first except in far southwest, otherwise cyclonic 5 to 7, increasing gale 8 at times.
    • Sea State

      Rough or very rough.
    • Weather

      Rain or drizzle at times.
    • Visibility

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

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    • Wind

      Cyclonic 5 to 7, increasing gale 8 at times in far north, becoming variable, mainly southerly 3 or 4 later in east.
    • Sea State

      Rough, occasionally very rough.
    • Weather

      Rain or drizzle at times, fog patches developing in east.
    • Visibility

      Moderate or good, becoming poor or very poor at times.
  11. Denmark Strait

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    • Wind

      Cyclonic becoming northeasterly 5 to 7, increasing gale 8 at times, occasionally severe gale 9 later in south.
    • Sea State

      Moderate or rough, occasionally very rough later in south.
    • Weather

      Rain or snow at times.
    • Visibility

      Moderate or poor, occasionally very poor. Occasional light icing at first near ice edge in east with temperature ms02.
  12. North Iceland

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    • Wind

      Easterly 5 to 7, decreasing 4 at times.
    • Sea State

      Moderate or rough.
    • Weather

      Rain at times, fog banks in northwest.
    • Visibility

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

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    • Wind

      Southerly or southeasterly 4 or 5, decreasing 3 at times.
    • Sea State

      Moderate, occasionally rough at first.
    • Weather

      Occasional rain at first.
    • Visibility

      Moderate or good, occasionally poor at first in far west.