Met Office

High seas forecast

Issued at 0800 UTC on Sunday 18 February 2018
by the Met Office, Exeter, United Kingdom
for the period 0800 UTC Sunday 18 February until 0800 UTC Monday 19 February 2018

Storm warnings

At 180000UTC, low 54 north 37 west 972 expected 59 north 33 west 956 by 190000UTC. Winds will reach storm force 10 or violent storm force 11 between 30 and 550 miles of the centre in the northwestern semi-circle throughout, then in all quadrants after 181500UTC

General synopsis

At 180000UTC, low 54 north 37 west 972 expected 59 north 33 west 956 by 190000UTC. New low expected 76 north 10 west 1023 by same time. High 42 north 18 west 1032, slow moving, declining 1028 by that time. New high expected 42 north 36 west 1028 by 190000UTC. Lows 66 north 07 west 1004 and 67 north 24 west 1003, both losing their identities. High Iceland 1009 dissipating

Area forecasts for the next 24 hours

Sole

Westerly 4 or 5. Rough, occasionally very rough in west. Rain or drizzle. Good, occasionally poor.

Shannon

Southwesterly 5 to 7. Rough or very rough. Rain or drizzle. Moderate or poor.

Rockall

In southwest, southwesterly 5 to 7. in northeast, southeast veering southwest 5 to 7. Rough or very rough. In southwest, rain or drizzle. in northeast, rain. In southwest, moderate or poor. in northeast, moderate or good, occasionally poor.

Bailey

Southeast veering south later, 5 to 7, occasionally gale 8 for a time. Rough or very rough. Rain. Moderate or poor.

Faeroes

West 4 or 5, backing southeast 5 to 7, perhaps gale 8 later. Moderate or rough, becoming rough or very rough later. Wintry showers, rain later. Good, occasionally poor later.

Southeast Iceland

Variable 4, becoming southeasterly 6 to gale 8, perhaps severe gale 9 later in west. Moderate or rough, becoming rough or very rough. Wintry showers then rain. Good becoming moderate or poor.

East Northern Section

In north

Easterly veering southerly 7 to severe gale 9, occasionally storm 10 in west, decreasing 5 or 6 for a time. Moderate or rough becoming very rough or high, then high or very high later. Rain or sleet spreading north followed by wintry showers. Moderate or poor, occasionally good.

In south

Southerly or southwesterly 7 to severe gale 9, occasionally storm 10 in west. Rough or very rough, becoming very rough or high, then high or very high later. Rain then wintry showers. Moderate or poor, becoming good, occasionally poor.

West Northern Section

Cyclonic, mainly easterly or northeasterly at first in north and becoming mainly westerly later in south gale 8 to storm 10, occasionally violent storm 11. Moderate or rough at first in north, otherwise very rough or high, becoming very high in central and southern areas. Rain or wintry showers. Moderate or poor. Occasional light icing in far northwest with temperatures near ms02.

East Central Section

Southerly or southwesterly veering westerly or southwesterly 7 to severe gale 9, occasionally storm 10 for a time in northwest, veering westerly or northwesterly 5 or 6 later in south. Very rough or high, becoming very high in far northwest. Fair then rain spreading east followed by showers. Moderate or good, occasionally poor in northwest.

West Central Section

Southerly 7 to severe gale 9 at first in far east, otherwise southwesterly veering westerly 7 to severe gale 9, occasionally storm 10 until later in central and northern areas, decreasing 5 or 6 later in south. High or very high. Rain at first in east, otherwise wintry showers. Moderate or poor, becoming good in south.

Denmark Strait

Easterly or northeasterly 5 to 7, increasing gale 8 to storm 10, occasionally violent storm 11, veering easterly or southeasterly 6 to gale 8 later in south. Moderate becoming very rough or high. Snow showers then snow spreading north. Good, occasionally poor becoming poor or very poor. Occasional light icing close to ice edge with temperatures near ms02.

North Iceland

In north

Variable 3 or 4, becoming cyclonic, mainly northeasterly in northwest and southeasterly in southeast, 5 or 6. Moderate. Occasional snow or snow showers. Moderate or good, occasionally very poor.

In south

Cyclonic 5 or 6, becoming southeasterly 7 to severe gale 9, later, occasionally storm 10 later near northern Iceland. Moderate or rough becoming rough or very rough later. Occasional rain, sleet or wintry showers. Moderate or good, occasionally poor.

Norwegian Basin

Cyclonic, mainly southerly or southwesterly, then becoming southeasterly later, 5 or 6. Moderate or rough. Wintry showers. Good, occasionally moderate.

Outlook for following 24 hours

Storms expected in East Northern Section, West Northern Section, West Central Section, Denmark Strait and north Iceland. Gales expected in Faeroes, Southeast Iceland, East Central Section and 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.

East Northern Section, West Northern Section, East Central Section, West Central Section, Denmark Strait and North Iceland.

Issued: 0800 UTC on Sunday 18 February 2018

At 180000UTC, low 54 north 37 west 972 expected 59 north 33 west 956 by 190000UTC. Winds will reach storm force 10 or violent storm force 11 between 30 and 550 miles of the centre in the northwestern semi-circle throughout, then in all quadrants after 181500UTC.