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 20 October
To:20:00 UTC Wednesday 21 October
Summary
At 201200UTC, lows 64 north 34 west 985 and 56 north 14 west 994 both losing their identities by 211200UTC. New lows expected 62 north 34 west 987, 64 north 29 west 986 and 46 north 37 west 1010 by same time. High 45 north 34 west 1032 expected 41 north 21 west 1030 by that time. at 201200UTC, high 76 north 15 west 1017 dissipating by 211200UTC
Issued:20:00 UTC Tuesday 20 October
Storm warnings are in effect in the following locations:
- West Northern Section
- Denmark Strait
- North Iceland
Issued:20:00 UTC Tuesday 20 October
Wind: Cyclonic becoming west or northwest, 6 to gale 8, occasionally severe gale 9.
Sea State: Rough or very rough, occasionally high.
Weather: Rain or squally showers.
Visibility: Moderate or good, occasionally poor.
Wind: Cyclonic becoming west or northwest, 6 to gale 8, occasionally severe gale 9.
Sea State: Rough or very rough, occasionally high.
Weather: Rain or squally showers.
Visibility: Moderate or good, occasionally poor.
Wind: Cyclonic becoming west or northwest, 6 to gale 8, occasionally severe gale 9.
Sea State: Rough or very rough, occasionally high.
Weather: Rain or squally showers.
Visibility: Moderate or good, occasionally poor.
Wind: Southeast veering northwest 5 to 7, occasionally gale 8.
Sea State: Rough or very rough.
Weather: Rain or showers.
Visibility: Moderate or good, occasionally poor.
Wind: Southeast 5 to 7.
Sea State: Rough or very rough.
Weather: Rain.
Visibility: Moderate or good, occasionally poor.
Wind: Cyclonic 4 to 6.
Sea State: Rough or very rough becoming moderate or rough.
Weather: Rain.
Visibility: Moderate or good, occasionally poor.
Wind: Northwesterly 5 or 6 at first in far southeast, otherwise westerly or southwesterly becoming cyclonic, 4 to 6, occasionally 7 later in west.
Sea State: Rough or very rough, becoming moderate or rough near Iceland.
Weather: Rain or showers, squally at times, and also occasionally wintry in north.
Visibility: Moderate or good, occasionally poor.
Storm warning issued
Northerly or northeasterly winds will reach storm force 10 at times in the far northwest of sea area north Iceland until 210500UTC. In addition, northerly or northeasterly winds will reach storm force 10 at times after 211900UTC between 34 west and 36 west in Denmark Strait and also in that part of West Northern Section that lies both north of 64 north and between 35 west and 36 west.
Issued:20:00 UTC Tuesday 20 October
Wind: In northern half of the area: Cyclonic mainly 3 to 5, but 6 to gale 8 in far northwest, and increasing 6 to gale 8 later in far north and far northeast, then increasing severe gale 9 or storm 10 later in far north between 35 west and 36 west. In southern half of the area: Westerly or southwesterly 5 to 7 veering westerly or northwesterly 6 to gale 8, occasionally severe gale 9 later in northwest.
Sea State: In northern half of the area: Moderate or rough at first in west, otherwise rough or very rough, but occasionally high later in far north and far northwest. In southern half of the area: Rough or very rough, becoming high later in northwest.
Weather: In northern half of the area: Rain, sleet or wintry showers, with snow at times in far north. In southern half of the area: Rain or squally showers, turning to sleet or snow.
Visibility: In northern half of the area: Moderate or good, becoming poor at times, but occasionally very poor in far north. In southern half of the area: Moderate or good, occasionally poor at first and very poor later.
Wind: Northwesterly at first in east and south, otherwise westerly or southwesterly, 5 to 7, occasionally gale 8 between 48 north and 51 north.
Sea State: Rough or very rough.
Weather: Rain or showers, squally at times, and becoming thundery later in far southwest.
Visibility: Moderate or good, occasionally poor.
Wind: Westerly or southwesterly 5 to 7, occasionally gale 8 at first between 49 north and 52 north, then veering northwesterly 4 to 6 later in north but becoming cyclonic 6 to gale 8 later in south.
Sea State: Rough or very rough.
Weather: Squally showers, becoming wintry in north, then thundery rain developing in south.
Visibility: Moderate or good, occasionally poor.
Storm warning issued
Northerly or northeasterly winds will reach storm force 10 at times in the far northwest of sea area north Iceland until 210500UTC. In addition, northerly or northeasterly winds will reach storm force 10 at times after 211900UTC between 34 west and 36 west in Denmark Strait and also in that part of West Northern Section that lies both north of 64 north and between 35 west and 36 west.
Issued:20:00 UTC Tuesday 20 October
Wind: In southeast: Cyclonic 3 to 5, becoming easterly or northeasterly 5 to 7 later. In area to the north of 70 north: Northerly 7 to severe gale 9 decreasing 4 to 6, becoming variable 3 or less later. In the rest of the area: Northeasterly 6 to gale 8, occasionally severe gale 9 in west, then increasing severe gale 9 or storm 10 later between 34 west and 36 west.
Sea State: In southeast: Moderate or rough. In area to the north of 70 north: Rough or very rough, becoming slight or moderate later. In the rest of the area: Rough or very rough, becoming very rough or high later in west.
Weather: In southeast: Rain or sleet at times. In area to the north of 70 north: Snow, then becoming fair later. In the rest of the area: Sleet or snow at times.
Visibility: In southeast: Moderate or good, occasionally poor. In area to the north of 70 north: Poor or very poor becoming moderate or good. Severe icing at first, with temperatures ms05 to ms08, then becoming light or moderate, with temperatures ms04 to ms07, before dying out later. In the rest of the area: Moderate or good, occasionally very poor. Light or moderate icing within 100 miles of greenland, with temperatures ms02 to ms04.
Storm warning issued
Northerly or northeasterly winds will reach storm force 10 at times in the far northwest of sea area north Iceland until 210500UTC. In addition, northerly or northeasterly winds will reach storm force 10 at times after 211900UTC between 34 west and 36 west in Denmark Strait and also in that part of West Northern Section that lies both north of 64 north and between 35 west and 36 west.
Issued:20:00 UTC Tuesday 20 October
Wind: In far northwest: Northerly or northeasterly gale 8 to storm 10 decreasing 6 to gale 8, then becoming variable 2 to 4 later. In the rest of the area: Cyclonic 4 to 6.
Sea State: In far northwest: Moderate or rough, occasionally very rough at first, becoming slight or moderate later. In the rest of the area: Rough or very rough at first except near Iceland, otherwise moderate or rough.
Weather: In far northwest: Snow, then becoming fair later. In the rest of the area: Rain or drizzle in south and east but sleet or snow at times in north and west.
Visibility: In far northwest: Poor or very poor, becoming moderate or good later. Severe icing at first, with temperatures ms07 to ms10, then becoming light or moderate, before dying out later. In the rest of the area: Moderate or good, occasionally poor in south and east and very poor in north and west. Light or moderate icing until later in northwest, with temperatures ms02 to ms05.
Wind: In western half of the area: Southeasterly 4 to 6, occasionally 7 later in south. In eastern half of the area: Easterly or northeasterly veering southeasterly, 3 to 5, increasing 6 to gale 8 in far northeast.
Sea State: In western half of the area: Rough. In eastern half of the area: Moderate or rough.
Weather: In western half of the area: Rain at times. In eastern half of the area: Mainly fair.
Visibility: In western half of the area: Moderate or good. In eastern half of the area: Good.
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