High seas forecast

Issued by the Met Office at

For the period until

Storm warnings

At 270000UTC, low 63 north 26 west 970 expected 66 north 08 west 982 by 280000UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 250 and 400 miles of low centre until 272000UTC. Winds will also reach storm force 10 or violent storm force 11 in the northwestern quadrant between 150 and 350 miles from low until 271300UTC.

General synopsis

At 270000UTC, low 63 north 26 west 970 expected 66 north 08 west 982 by 280000UTC. New low expected 56 north 50 west 968 by same time. High 44 north 40 west 1037 expected 47 north 24 west 1039 by that time. High 75 north 20 west 1015 dissipating.

Area forecasts for the next 24 hours

Sole

Westerly veering northerly or northwesterly, 4 to 6. Moderate or rough, becoming rough or very rough. Occasional rain. Good, occasionally moderate.

Shannon

Westerly or northwesterly 5 to 7, occasionally gale 8 later in north. Rough or very rough, becoming very rough or high. Showers. Good, occasionally moderate.

Rockall

West or northwest 7 to severe gale 9, occasionally storm 10 later. High or very high, occasionally very rough at first. Squally showers. Moderate or poor.

Bailey

Southwest, veering northwest later, 7 to severe gale 9, occasionally storm 10 later. High or very high. Squally showers. Moderate or poor.

Faeroes

Southwest becoming cyclonic later, 6 to gale 8, occasionally severe gale 9. Rough or very rough, becoming high or very high. Squally wintry showers. Moderate or poor.

Southeast Iceland

Southwesterly, becoming cyclonic then northerly later, 7 to severe gale 9. High or very high, becoming very rough or high later. Squally wintry showers. Poor occasionally moderate.

East Northern Section

Cyclonic gale 8 to storm 10, occasionally violent storm 11, decreasing 7 to severe gale 9 later. High or very high, becoming very rough or high later, occasionally rough later in northwest. Snow or snow showers. Moderate or poor.

West Northern Section

Cyclonic 7 to severe gale 9, occasionally storm 10 at first in east. Very rough or high, occasionally very high, becoming moderate or rough later in north. Snow showers, then rain and snow. Moderate or poor. Occasional light ot moderate icing in far northwest at first and again later.

East Central Section

In north

Westerly backing southerly later, 6 to gale 8. Very rough or high. Snow showers. Good, occasionally poor.

In south

Westerly or northwesterly 4 to 6, becoming variable 2 to 4, then southerly 4 to 6 later. Rough or very rough. Rain at first. Good, occasionally moderate at first.

West Central Section

Westerly 5 to 7, becoming variable 2 to 4 for a time in south, then southerly 7 to severe gale 9 later. Rough or very rough, becoming high or very high later in north. Snow showers, rain later. Moderate or good, occasionally poor.

Denmark Strait

Northerly or northeasterly severe gale 9 to violent storm 11, becoming variable 2 to 4, then cyclonic 5 to 7 later. Very rough or high, occasionally very high at first, becoming moderate or rough later. Snow or snow showers. Moderate or poor, occasionally good later. Widespread light or moderate icing until 280600utc with temperatures ms02 to ms05. Occasional severe or very severe icing near ice edge until 280400utc with temperatures ms06 to ms09.

North Iceland

Cyclonic gale 8 to storm 10, becoming northerly or northwesterly 6 to gale 8. Very rough or high, moderate or rough in north. Rain and snow and snow showers. Moderate or poor, occasionally good later. Widespread light or moderate icing in north until with temperatures ms03 to ms06. Occasional severe or very severe icing near ice edge with temperatures ms07 to ms10.

Norwegian Basin

Southerly or southwesterly 7 to severe gale 9, decreasing 5 to 7, becoming cyclonic 6 to gale 8 later. Rough or very rough, becoming very rough or high. Rain then squally wintry showers. Moderate or poor.

Outlook for following 24 hours

Violent storm force 11 expected in West Northern Section and Denmark Strait. Storm force 10 expected in Bailey and East Northern Section. Severe gales expected in Rockall, Faeroes, Southeast Iceland, East Central Section, West Central Section and north Iceland. Gales expected in Norwegian Basin.

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.

Rockall, Bailey, East Northern Section, West Northern Section, Denmark Strait and North Iceland.

Issued:

At 270000UTC, low 63 north 26 west 970 expected 66 north 08 west 982 by 280000UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 250 and 400 miles of low centre until 272000UTC. Winds will also reach storm force 10 or violent storm force 11 in the northwestern quadrant between 150 and 350 miles from low until 271300UTC.