High seas forecast

Issued by the Met Office at

For the period until

Storm warnings

At 270000UTC, low 52 north 32 west 956 expected 51 north 21 west 965 by 280000UTC. Winds will reach storm force 10 at times between 200 and 300 miles from the centre in the south quadrant until 271000UTC. Low 49 north 13 west 963 expected 56 north 14 west with little change by same time. Cyclonically variable winds will reach storm force 10 or violent storm force 11 in the eastern half of Sole until 271100UTC. Also, northwesterly winds will reach storm force 10 or violent storm force 11 in the southeast corner of Shannon until 271200UTC. In addition, easterly winds will reach storm force 10 at times in Bailey after 271600UTC. finally, northeasterly winds will reach storm force 10 at times within 50 miles of the Icelandic coast between 19 west and 22 west in East Northern Section until 270900UTC

General synopsis

At 270000UTC, low 52 north 32 west 956 expected 51 north 21 west 965 by 280000UTC. Low 49 north 13 west 963 expected 56 north 14 west with little change by same time. New low expected 56 north 19 west 963 by that time. High 71 north 25 west 1030 dissipating

Area forecasts for the next 24 hours

Sole

Cyclonic severe gale 9 to violent storm 11 becoming southwest 5 to 7. High or very high at first in east, otherwise very rough or high. Thundery showers. Moderate or poor.

Shannon

Cyclonic gale 8 to storm 10, occasionally violent storm 11 at first, becoming south 4 to 6 later. Very rough or high. Rain then thundery showers. Moderate or poor.

Rockall

Cyclonic 6 to gale 8, increasing severe gale 9 at times. Very rough or high. Rain. Moderate or poor.

Bailey

Easterly or southeasterly 7 to severe gale 9, occasionally 6 at first, then increasing storm 10 at times. Very rough or high. Rain or showers. Moderate or good, occasionally poor.

Faeroes

Easterly or southeasterly 7 to severe gale 9, occasionally 6 at first. Rough or very rough becoming very rough or high. Rain or showers. Moderate or good, occasionally poor.

Southeast Iceland

Easterly or southeasterly 7 to severe gale 9, occasionally 6 at first. Very rough or high. Rain or showers. Moderate or good, occasionally poor.

East Northern Section

In north

Easterly or northeasterly 7 to severe gale 9, occasionally storm 10 at first within 50 miles of the greenland coast in east. Very rough or high. Rain at times, and also occasional sleet at first. Moderate or poor.

In south

Cyclonic mainly northeasterly 4 to 6 increasing 6 to gale 8, occasionally severe gale 9 in northeast. Very rough or high. Rain or showers, thundery at times. Moderate or poor.

West Northern Section

In northwest

Northeasterly 7 to severe gale 9, occasionally 6 later. Very rough or high. Rain, sleet or snow. Moderate or poor, occasionally very poor. Light or moderate icing in far northwest.

In southeast

Cyclonic 4 to 6 at first except in far north, otherwise northerly or northeasterly 6 to gale 8, occasionally severe gale 9 in north. Very rough or high. Rain or sleet at times, perhaps thundery in south. Moderate or poor.

East Central Section

In north

Cyclonic mainly 5 to 7, decreasing 4 at times, but occasionally gale 8 at first in far northeast, and also later in west and south. Very rough or high. Rain or showers, thundery or wintry at times. Moderate or poor.

In south

Westerly or southwesterly 7 to severe gale 9, occasionally storm 10 at first in far west and 6 at first in east, then decreasing 4 to 6 later in west. Mainly high or very high, but very rough at first in east and later in west. Squally thundery showers. Poor, occasionally moderate.

West Central Section

In south

Westerly 7 to severe gale 9, occasionally storm 10 at first in east, becoming cyclonic 4 to 6, then becoming westerly 7 to severe gale 9 again later in southwest. Very high, becoming very rough or high. Showers, then rain or sleet. Poor, occasionally moderate later.

In north

Cyclonic 6 to gale 8, occasionally severe gale 9 at first in southeast, becoming northerly 4 to 6, then backing northwesterly later in northeast but veering easterly later in southwest. High becoming very rough. Showers, perhaps thundery or wintry at times, but becoming mainly fair later. Moderate or poor.

Denmark Strait

Northeasterly 7 to severe gale 9, occasionally 6 later in east. Mainly very rough or high, but rough or very rough in far east. Sleet or snow at times. Moderate to very poor, occasionally good in east. Light or moderate icing within 100 miles of the greenland coast, mainly near the ice, with temperatures ms02 to ms05, but locally severe icing near the ice between 22 west and 28 west, with temperatures ms06 to ms09.

North Iceland

Mainly northerly or northeasterly, but easterly in south, 4 to 6, occasionally 7 in west and far south, becoming cyclonic 3 to 5 in northeast. Moderate or rough, becoming very rough in far southeast. Sleet or snow at times. Good, occasionally very poor. Light or moderate icing in far west between 68 north and 70 north, with temperatures ms03 to ms06.

Norwegian Basin

Southeasterly at first in west, otherwise easterly or northeasterly, 4 to 6, occasionally 7 later, but becoming cyclonic 3 to 5 later in south. Slight or moderate at first in east, otherwise moderate or rough. Showers. Good.

Outlook for following 24 hours

Violent storm force winds expected in West Central Section. Storm force winds expected in East Northern Section and East Central Section. Severe gales expected in Bailey, Faeroes, Southeast Iceland and West Northern Section. Gales expected in Sole, Rockall and Denmark Strait. Risk of gales in 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.

Sole, Shannon, Bailey, East Northern Section, East Central Section and West Central Section.

Issued:

At 270000UTC, low 52 north 32 west 956 expected 51 north 21 west 965 by 280000UTC. Winds will reach storm force 10 at times between 200 and 300 miles from the centre in the south quadrant until 271000UTC. Low 49 north 13 west 963 expected 56 north 14 west with little change by same time. Cyclonically variable winds will reach storm force 10 or violent storm force 11 in the eastern half of Sole until 271100UTC. Also, northwesterly winds will reach storm force 10 or violent storm force 11 in the southeast corner of Shannon until 271200UTC. In addition, easterly winds will reach storm force 10 at times in Bailey after 271600UTC. Finally, northeasterly winds will reach storm force 10 at times within 50 miles of the Icelandic coast between 19 west and 22 west in East Northern Section until 270900UTC.