Met Office

High seas forecast

Issued at 0800 UTC on Saturday 23 February 2019
by the Met Office, Exeter, United Kingdom
for the period 0800 UTC Saturday 23 February until 0800 UTC Sunday 24 February 2019

Storm warnings

At 230000UTC, developing low near 53 north 22 west, expected 72 north 10 west 968 by 240000UTC. Winds will reach storm force 10 at times in the southwestern quadrant between 70 miles and 170 miles of the centre, before extending outwards to between 170 miles and 270 miles of the centre after 231200UTC. Winds may also reach violent storm force 11 at times in the southwestern quadrant between 140 miles and 200 miles of the centre between 231200UTC and 231800UTC. Winds will also reach storm force 10 at times in the eastern semi-circle between 100 miles and 300 miles after 231800UTC. Low 41 north 39 west 960 expected 51 north 31 west 954 by same time. Winds will reach storm force 10 at times in the northern semi-circle between 150 miles and 400 miles of the centre, and the southern semi-circle between 50 miles and 300 miles of the centre. winds will also reach violent storm force 11 at times in the southwestern quadrant between 150 miles and 250 miles after 231500UTC. low 59 north 31 west 976 moving rather quickly eastwards and losing its identity by that time. westerly winds will reach storm force 10 at times in the east of West Northern Section between 60 north and 61 north until 231500UTC, and in East Northern Section between 60 north and 63 north until 232100UTC

General synopsis

At 230000UTC, developing low near 53 north 22 west, expected 72 north 10 west 968 by 240000UTC. Low 41 north 39 west 960 expected 51 north 31 west 954 by same time. Low 59 north 31 west 976 moving rather quickly eastwards and losing its identity by that time. New high expected 63 north 45 west 1002 by 240000UTC. Lows 51 north 40 west 990 and 66 north 27 west 972 both loosing their identities. High 72 north 28 west 998 dissipating

Area forecasts for the next 24 hours

Sole

Southerly backing southeasterly later, 5 to 7, occasionally gale 8 in west, becoming variable 4 for a time. Rough or very rough, occasionally high at first in west. Rain, fog patches developing. Moderate or good, occasionally very poor.

Shannon

South or southwest, backing southeast later, 6 to gale 8. Very rough or high, occasionally rough later. Occasional rain. Good, occasionally poor.

Rockall

South or southwest, backing southeast later, 6 to gale 8, occasionally severe gale 9 at first. Very rough or high, occasionally rough later. Occasional rain. Good, occasionally poor.

Bailey

South gale 8 to storm 10, veering southwest 6 to gale 8, then backing southeast 5 to 7 later. High, becoming very rough later. Showers. Moderate or poor.

Faeroes

Southerly, veering southwesterly, 7 to severe gale 9, decreasing 5 to 7 later. Very rough or high. Showers. Moderate.

Southeast Iceland

Southerly, veering southwesterly, 7 to severe gale 9, occasionally storm 10, decreasing 5 to 7 later. Very rough or high, occasionally very high. Showers. Moderate.

East Northern Section

Southerly or southwesterly, becoming cyclonic for a time in northwest, 7 to severe gale 9, increasing storm 10 at times north of 60 north, backing easterly or southeasterly 7 to severe gale 9, occasionally storm 10 in west, then veering southerly gale 8 to storm 10 later in far southwest. Very rough or high, becoming very high later in southwest. Occasional rain or wintry showers. Moderate or good, occasionally poor.

West Northern Section

In north

Cyclonic, becoming southwesterly, 7 to severe gale 9, occasionally storm 10 at first in southeast, decreasing 4 or 5 later, then backing easterly or northeasterly 7 to severe gale 9 later, perhaps storm 10 later in south. Rough or very rough, occasionally high at first in southeast, becoming high later except in far north. Occasional rain or snow, then fair, then rain later in south. Moderate or poor, occasionally very poor, becoming good, then becoming moderate or poor later in south. Occasional light icing in far northwest.

In south

Westerly 5 to 7, occasionally gale 8 at first in northeast, backing southerly 4 or 5, then backing further southeasterly 7 to severe gale 9, then becoming cyclonic gale 8 to storm 10 later, perhaps violent storm 11 later in far southeast. Rough or very rough, occasionally high at first in northeast, becoming high or very high later. Wintry showers, then occasional rain, turning to snow at times in far west. Mainly good, becoming moderate or poor, occasionally very poor in far west.

East Central Section

In north

Southerly or southwesterly 5 to 7, occasionally gale 8 at first in northeast, backing southeasterly, then veering southerly later, 7 to severe gale 9, then increasing storm 10 at times in west, perhaps violent storm 11 later in west. Very rough or high, becoming very high later in west. Rain or showers. Moderate or good, occasionally poor.

In south

Southerly or southwesterly 5 to 7, backing southeasterly 7 to severe gale 9, then increasing storm 10 at times, except in far east, then veering southwesterly 5 to 7 later. Very rough or high, becoming very high for a time in west. Rain or showers. Moderate or good, occasionally poor.

West Central Section

Southerly or southeasterly 5 to 7, increasing gale 8 at times, becoming cyclonic, then southwesterly later, gale 8 to storm 10, occasionally violent storm 11 in east, then decreasing 7 at times later in south. Rough or very rough, becoming high or very high. Occasional rain, turning to snow at times in northwest, or wintry showers. Moderate or poor, occasionally good, but occasionally very poor in northwest. Occasional light icing later in far southwest.

Denmark Strait

In area east of 24 west

Easterly or northeasterly 5 or 6, increasing 7 to severe gale 9, occasionally storm 10 in north, then becoming cyclonic 5 or 6 later. Moderate or rough, occasionally very rough. Occasional rain or snow, becoming fair later. Moderate or poor, occasionally very poor, becoming good later. Moderate to severe icing developing for a time north of 67 north, with temperatures ms03 to ms06.

In area west of 24 west

Cyclonic 6 to gale 8, occasionally severe gale 9 at first, becoming southwesterly 4 or 5 later, then backing southeasterly 5 or 6 later in far south. Moderate or rough, occasionally very rough. Occasional rain or snow, becoming fair later. Moderate or poor, occasionally very poor, becoming good later.

North Iceland

In north

Southwesterly 4 or 5, becoming variable 3 or 4, then northerly or northeasterly 5 to 7, increasing gale 8 to storm 10 later, then becoming cyclonic later in east. Moderate or rough, becoming very rough or high later. Rain or snow. Mainly good at first, becoming moderate or poor, occasionally very poor. Moderate to severe icing developing with temperatures ms03 to ms06, with very severe icing developing within 50 miles of ice edge after 231800utc, with temperatures ms09 to ms12.

In south

Southerly or southeasterly, becoming cyclonic, then westerly or southwesterly later, gale 8 to storm 10, then decreasing 5 or 6 later, except in northeast. Moderate or rough at first in west, otherwise very rough or high, occasionally very high for a time. Occasional rain, turning to snow at times in north and west, becoming mainly fair later. Moderate or poor, occasionally very poor in north and west, becoming mainly good later. Moderate to severe icing developing in northwest with temperatures ms03 to ms06.

Norwegian Basin

Southerly or southwesterly, veering westerly later, 6 to gale 8, increasing severe gale 9 at times. Very rough, becoming high in north and west. Occasional rain or showers. Moderate or good, occasionally poor.

Outlook for following 24 hours

Violent storms expected in West Northern Section, with storms in East Northern Section, East Central Section, West Central Section, Denmark Strait and north Iceland. Severe gales expected in Shannon, Rockall, Bailey and Norwegian Basin, with gales in Sole, Faeroes and Southeast Iceland.

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.

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

Issued: 0800 UTC on Saturday 23 February 2019

At 230000UTC, developing low near 53 north 22 west, expected 72 north 10 west 968 by 240000UTC. Winds will reach storm force 10 at times in the southwestern quadrant between 70 miles and 170 miles of the centre, before extending outwards to between 170 miles and 270 miles of the centre after 231200UTC. Winds May also reach violent storm force 11 at times in the southwestern quadrant between 140 miles and 200 miles of the centre between 231200UTC and 231800UTC. Winds will also reach storm force 10 at times in the eastern semi-circle between 100 miles and 300 miles after 231800UTC. Low 41 north 39 west 960 expected 51 north 31 west 954 by same time. Winds will reach storm force 10 at times in the northern semi-circle between 150 miles and 400 miles of the centre, and the southern semi-circle between 50 miles and 300 miles of the centre. Winds will also reach violent storm force 11 at times in the southwestern quadrant between 150 miles and 250 miles after 231500UTC. Low 59 north 31 west 976 moving rather quickly eastwards and losing its identity by that time. Westerly winds will reach storm force 10 at times in the east of West Northern Section between 60 north and 61 north until 231500UTC, and in East Northern Section between 60 north and 63 north until 232100UTC.