Met Office

High seas forecast

Issued at 2000 UTC on Saturday 20 October 2018
by the Met Office, Exeter, United Kingdom
for the period 2000 UTC Saturday 20 October until 2000 UTC Sunday 21 October 2018

Storm warnings

At 201200UTC, low 65 north 30 west 973, moving northeastwards and losing its identity by 211200UTC. Westerly winds will continue to reach storm force 10 between 59 north and 61 north in West Northern Section until 210900UTC. Northwesterly winds in association with Greenland piteraq will reach storm force 10 or violent storm force 11 in the extreme northwest of West Northern Section and the extreme southwest of Denmark Strait after 210300UTC

General synopsis

At 201200UTC, low 65 north 30 west 973, moving northeastwards and losing its identity by 211200UTC. New low moving rapidly northeastwards, expected 74 north 05 east 957 by same time. New high expected southern Greenland 1024 by that time. at 201200UTC, high 42 north 47 west 1030 expected 49 north 30 west 1043 by 211200UTC. Low 77 north 12 west 982, moving northwards and losing its identity

Area forecasts for the next 24 hours

Sole

Variable 3 or 4, becoming northerly 5 to 7 later. Moderate, occasionally rough later. Occasional drizzle and fog patches in west. Moderate or good, occasionally very poor in west.

Shannon

Southwest veering north or northwest, 5 or 6. Moderate or rough. Occasional rain, fog patches, fair later. Moderate, occasionally very poor, becoming good later.

Rockall

Southwest veering west later, 5 to 7, perhaps gale 8 later. Rough or very rough. Occasional rain, fog patches. Moderate, occasionally very poor.

Bailey

In southeast, southwesterly 5 to 7, veering westerly 6 to gale 8 later. in northwest, southwesterly veering westerly 7 to severe gale 9. In southeast, rough or very rough, occasionally high later. in northwest, high. In southeast, occasional rain, fog patches. in northwest, rain then showers. In southeast, moderate, occasionally very poor. in northwest, good, occasionally poor.

Faeroes

Southwest 6 to gale 8, veering west 7 to severe gale 9 later. Very rough becoming high. Rain then showers. Good, occasionally poor.

Southeast Iceland

Southwesterly veering westerly 7 to severe gale 9. High. Squally showers. Good, occasionally poor.

East Northern Section

Westerly or southwesterly, 5 or 6 at first in southeast, otherwise 7 to severe gale 9. Very rough or high. Squally wintry showers, rain later in west. Moderate or good, occasionally poor.

West Northern Section

In far northwest

Cyclonic 4 or 5, becoming westerly 7 to severe gale 9, but northwesterly severe gale 9 to violent storm 11 in extreme northwest. Moderate or rough, becoming rough or very rough. Occasional snow then fair. Moderate or poor, occasionally good. Moderate or severe icing developing in extreme northwest.

In rest of area

Northwesterly 5 or 6 at first in far north, otherwise westerly of southwesterly 7 to severe gale 9, occasionally storm 10 until later between 59 north and 61 north. Very rough or high. Squally wintry showers becoming mainly fair, but rain spreading eastwards later between 57 north and 62 north. Good, occasionally poor, becoming moderate or poor later between 57 north and 62 north.

East Central Section

In northwest

Westerly or southwesterly 5 to 7, becoming variable 4 later in south. Rough or very rough. Showers at first, good.

In northeast

Westerly or southwesterly, veering northerly in southeast, 5 or 6. Rough or very rough. Occasional rain at first. Good, occasionally moderate at first.

In south

Variable 3 or 4 at first in far southeast, otherwise cyclonic, becoming northerly or northeasterly 5 to 7, occasionally gale 8 later in southeast. Moderate or rough. Occasional rain, becoming fair, except in far southeast. Good, occasionally moderate.

West Central Section

In southern half of area

Northerly or northwesterly 5 or 6, becoming variable 4, then becoming southerly or southeasterly 5 or 6 later. Rough or very rough, becoming moderate or rough. Fair. Good.

In northern half of area

Westerly backing southwesterly 5 to 7, occasionally gale 8 in far north. Rough or very rough. Showers at first. Good.

Denmark Strait

In far southwest

Cyclonic 4 or 5, becoming northwesterly gale 8 to storm 10 in extreme southwest. Moderate or rough, becoming rough or very rough. Fair. Moderate or poor, occasionally good. Moderate or severe icing developing in extreme southwest with temperatures ms02 to ms05.

In southeast

Cyclonic 7 to severe gale 9, becoming southwesterly 6 to gale 8. Rough or very rough, occasionally high. Sleet or snow. Moderate occasionally very poor.

In rest of area

Northeasterly 6 or 7, becoming cyclonic 5 or 6. Rough or very rough. Occasional snow then snow showers. Moderate or good, occasionally very poor. Occasional light icing near greenland coast with temperatures near ms02.

North Iceland

In northern half of area

Northerly 5 to 7, backing northwesterly 7 to severe gale 9. Moderate or rough, becoming rough or very rough. Snow. Moderate or poor, occasionally very poor. Moderate icing in central and western areas, becoming severe with temperatures ms02 to ms04 in south and ms05 to ms07 in north.

In southern half of area

Cyclonic, becoming mainly westerly or northwesterly 7 to severe gale 9, decreasing 5 or 6 later in west. Rough or very rough, but high until later in southeast. Occasional rain, sleet or snow. Moderate or good, occasionally very poor.

Norwegian Basin

Southwesterly at first in east, otherwise westerly 7 to severe gale 9. High in far north and later in southwest, otherwise very rough. Occasional rain or showers. Moderate or good, occasionally poor.

Outlook for following 24 hours

Violent storms expected in West Northern Section with storms in Denmark Strait. Gales or severe gales expected in all other areas except Sole and Shannon.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

Storm warnings

Storm warnings, issued by the Met Office, on behalf of the Maritime and Coastguard Agency.

West Northern Section and Denmark Strait.

Issued: 2000 UTC on Saturday 20 October 2018

At 201200UTC, low 65 north 30 west 973, moving northeastwards and losing its identity by 211200UTC. Westerly winds will continue to reach storm force 10 between 59 north and 61 north in West Northern Section until 210900UTC. Northwesterly winds in association with Greenland piteraq will reach storm force 10 or violent storm force 11 in the extreme northwest of West Northern Section and the extreme southwest of Denmark Strait after 210300UTC.