High Seas
High Seas information supplied by the Met Office , external on behalf of the Maritime and Coastguard Agency (MCA), external.
From:20:00 UTC Tuesday 18 August
To:20:00 UTC Wednesday 19 August
Summary
At 181200UTC, low 59 north 13 west 999 expected 56 north 08 west with little change by 191200UTC. High 50 north 40 west 1029 expected 51 north 35 west 1030 by same time. Low Iceland 1011 losing its identity
Issued:20:00 UTC Tuesday 18 August
Wind: West or northwest 3 to 5, increasing 5 or 6 later.
Sea State: Slight or moderate, becoming moderate or rough.
Weather: Rain then showers.
Visibility: Good, occasionally poor.
Wind: West or northwest 5 to 7.
Sea State: Moderate or rough, occasionally very rough in northwest.
Weather: Rain then showers.
Visibility: Good, occasionally poor.
Wind: West 4 to 6, becoming cyclonic 5 to 7, perhaps gale 8 later.
Sea State: Rough, occasionally very rough in north and west.
Weather: Thundery showers.
Visibility: Good, occasionally poor.
Wind: Cyclonic becoming northeasterly, 5 to 7, increasing gale 8 at times, but occasionally 4 at first.
Sea State: Rough or very rough, becoming moderate or rough later.
Weather: Rain, showers later.
Visibility: Good, occasionally poor.
Wind: Easterly or southeasterly backing northeasterly, 5 to 7, occasionally gale 8.
Sea State: Moderate or rough.
Weather: Occasional rain or showers.
Visibility: Good, occasionally poor.
Wind: Northeasterly 4 to 6, becoming variable 2 to 4 later in west.
Sea State: Moderate or rough.
Weather: Showers.
Visibility: Good.
Wind: In southeastern half of area: Cyclonic 5 to 7, occasionally gale 8 in east, becoming northerly or northwesterly 4 to 6 later. In northwestern half of area: Northerly or northeasterly 4 to 6, backing westerly or northwesterly 3 to 5.
Sea State: In southeastern half of area: Rough, occasionally very rough in east, and moderate later in northwest. In northwestern half of area: Moderate or rough, occasionally slight later in far north.
Weather: In southeastern half of area: Showers, squally at times. In northwestern half of area: Showers.
Visibility: In southeastern half of area: Moderate or good. In northwestern half of area: Good.
Wind: In north: Northerly or northwesterly 2 to 4 at first in east, otherwise westerly or southwesterly 3 to 5. In southeast: Northwesterly 4 to 6, occasionally 7 at first in far southeast, backing westerly 3 or 4 later. In southwest: Westerly or northwesterly backing southwesterly, 3 to 5.
Sea State: In north: Moderate, occasionally rough at first in far southeast. In southeast: Moderate, occasionally rough at first. In southwest: Moderate.
Weather: In north: Fair, then occasional drizzle. In southeast: Showers. In southwest: Fair, then occasional rain or drizzle.
Visibility: In north: Good, occasionally poor. In southeast: Good, occasionally moderate. In southwest: Good, occasionally poor.
Wind: In north: Northwesterly 5 to 7, decreasing 4 later in west. In south: Cyclonic becoming northerly or northwesterly, 4 to 6, decreasing 3 or 4 later in west.
Sea State: In north: Rough or very rough, becoming moderate or rough later in west. In south: Moderate or rough.
Weather: In north: Showers, squally at times. In south: Rain at first in southeast, otherwise showers, mainly in east.
Visibility: In north: Moderate or good. In south: Moderate or good, occasionally poor at first in southeast.
Wind: In northeast: Northwesterly 5 to 7, decreasing 3 to 5, becoming variable 2 to 4 later. In southeast: Northerly or northeasterly 3 to 5, becoming variable 2 to 4, then cyclonic 4 to 6 later in southwest. In southwest: Easterly or northeasterly 3 to 5, becoming cyclonic 4 to 6. In northwest: Variable 2 to 4.
Sea State: In northeast: Moderate or rough. In southeast: Moderate. In southwest: Moderate. In northwest: Moderate.
Weather: In northeast: Showers. In southeast: Rain later. In southwest: Fair, then occasional rain and fog patches. In northwest: Fair.
Visibility: In northeast: Good. In southeast: Good, occasionally poor later. In southwest: Good, becoming moderate or good, occasionally very poor. In northwest: Good.
Wind: Southerly or southwesterly 4 to 6 in northeast, otherwise variable 2 to 4, becoming southwesterly 3 to 5.
Sea State: Slight or moderate.
Weather: Fog patches except in far northeast.
Visibility: Moderate or good, occasionally very poor except in far northeast.
Wind: In southeastern half of area: Northerly or northeasterly 4 to 6 in southeast, otherwise variable 2 to 4. In northwestern half of area: Southwesterly 4 or 5, occasionally 6 at first in far southwest, becoming variable 3 or less later in northwest.
Sea State: In southeastern half of area: Slight or moderate, occasionally rough in far southeast. In northwestern half of area: Slight or moderate.
Weather: In southeastern half of area: Showers in southeast. In northwestern half of area: Fog patches.
Visibility: In southeastern half of area: Good, occasionally moderate in southeast. In northwestern half of area: Moderate or good, occasionally very poor.
Wind: Northerly or northeasterly 4 to 6.
Sea State: Moderate, occasionally rough at first.
Weather: Showers, occasionally rain later in north.
Visibility: Good, occasionally moderate.
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