High seas forecast
Issued by the Met Office at
For the period until
Storm warnings
At 280000UTC, low 46 north 39 west 982 expected 60 north 35 west 939 by 290000UTC. Winds are expected to reach storm force 10 within 300 miles of the centre in the southeastern quadrant until 281800UTC, then developing within 150 miles of the centre in the southern semicircle from 281800UTC extending to the eastern quadrant and within 150 miles of the centre by 290300UTC, this then extending to all quadrants within 150 miles of the centre and also strengthening to violent storm force 11 from 290400UTC. Northeasterly winds are also expected to reach storm force 10 within 200 miles of the greenland coast between 60 and 67 north in West Northern Section and Denmark Strait from 282200UTC, strengthening to violent storm force 11 and becoming confined to within 150 miles of the coast from 290100UTC, this area then becoming restricted to within 100 miles of the coast by 290600UTC
General synopsis
At 280000UTC, low 46 north 39 west 982 expected 60 north 35 west 939 by 290000UTC. Low 65 north 10 west 965 expected 69 north 00 east 984 by same time. New low expected 46 north 22 west 1001 by that time
Area forecasts for the next 24 hours
Sole
Southwesterly 3 to 5, backing southerly or southeasterly 4 to 6, occasionally 7 later. Rough or very rough, becoming moderate or rough in east. Showers. Good.
Shannon
Southwest backing south, 4 to 6, occasionally 7 later, perhaps gale 8 later. Rough or very rough. Showers, rain later. Good, occasionally moderate.
Rockall
Southwest backing south, 4 to 6, increasing 6 to gale 8 later. Rough or very rough. Showers, rain later. Good, occasionally poor later.
Bailey
Southwest 6 to gale 8, decreasing 4 to 6, backing south or southeast 6 to gale 8 later. Rough or very rough, occasionally high at first in north. Squally showers, rain later. Good, occasionally poor.
Faeroes
Westerly or southwesterly, becoming cyclonic later, 7 to severe gale 9, decreasing 5 to 7, occasionally 4 later. Very rough or high, becoming rough or very rough, then moderate or rough later. Occasional rain. Good, occasionally poor.
Southeast Iceland
Westerly or southwesterly, becoming cyclonic later, 7 to severe gale 9, decreasing 5 to 7, occasionally 4 later. Very rough or high, becoming rough or very rough, then moderate or rough later. Occasional rain. Good, occasionally poor.
East Northern Section
In northeastern half of area
Westerly or southwesterly 4 to 6, but 7 or gale 8 at first in northeast, backing southeasterly, then becoming cyclonic later, 5 to 7, increasing gale 8 at times later, but increasing gale 8 or severe gale 9 for a time later in far northwest. Rough or very rough, occasionally high later in northwest. Showers then rain, squally showers later in southwest. Moderate or good, occasionally poor.
In southwestern half of area
Southerly or southwesterly 4 to 6, becoming cyclonic 7 to severe gale 9, then southerly or southwesterly 6 to gale 8 later, but decreasing 4 to 6 later in southeast. Rough or very rough becoming very rough or high. Rain at times, then squally showers later except in far southeast. Moderate or good, occasionally poor.
West Northern Section
In far northwest
Northeasterly 6 to gale 8, increasing gale 8 or severe gale 9, then severe gale 9 to violent storm 11 later. Rough or very rough becoming high, occasionally very high later. Occasional rain, sleet and snow. Moderate to very poor.
In rest of north of area
Southerly or southeasterly 3 to 5, backing easterly or northeasterly 7 to severe gale 9, becoming cyclonic gale 8 to storm 10 later, occasionally violent storm 11 later except in far east. Rough or very rough becoming very rough or high, occasionally very high later. Showers then rain, squally showers later in east. Moderate or good becoming mainly poor.
In south of area
Cyclonic, 4 to 6, but 3 or 4 at first in northwest, increasing gale 8 to storm 10, occasionally violent storm 11 later in northwest, decreasing 7 at times later in far south. Rough or very rough becoming very rough or high, occasionally very high later in north. Rain at times, then squally showers in south and also later in east. Moderate or poor, occasionally good at first.
East Central Section
In east
Southerly or southwesterly 4 to 6, backing southerly or southeasterly 6 to gale 8, occasionally severe gale 9 in north, becoming cyclonic later, then decreasing 4 to 6 later in west. Rough or very rough, becoming very rough or high except in southeast. Showers then rain at times. Moderate or good, becoming moderate or poor.
In west
Southerly or southeasterly 7 to severe gale 9, occasionally storm 10 at first in far west, becoming cyclonic 6 to gale 8, then decreasing 3 to 5 later in southeast and becoming southwesterly 5 to 7 later in northwest. Rough or very rough becoming very rough or high. Rain then showers, squally at times. Moderate or poor, occasionally good.
West Central Section
Cyclonic 7 to severe gale 9, occasionally storm 10 at first mainly in east, becoming westerly or southwesterly 6 to gale 8, but decreasing 4 to 6 in far southeast. Very rough or high, occasionally rough at first in north. Rain at first in east, otherwise squally showers, wintry at times. Moderate or poor, occasionally good.
Denmark Strait
Northerly or northeasterly 6 to gale 8, occasionally severe gale 9 in far southwest, increasing severe gale 9 to violent storm 11 later in west, and becoming variable 2 to 4 later in far northeast. Moderate or rough in far northeast, otherwise rough or very rough occasionally high. Sleet and snow at times, with occasional rain or freezing rain later, but becoming mainly fair in far northeast. Moderate to very poor, becoming mainly good in far northeast. Light icing at first in far northeast with temperatures around ms03.
North Iceland
In southeastern quadrant
Cyclonic becoming westerly or northwesterly, 5 to 7, occasionally gale 8 at first in far southeast and far northwest, becoming cyclonic 4 to 6 later. Very rough or high, becoming rough or very rough. Occasional rain or drizzle, fog patches. Moderate or good, occasionally very poor.
In north and west
Northerly or northeasterly 6 to gale 8, decreasing 4 to 6 later except in far southwest along north iceland coast. Rough or very rough, occasionally high at first in far southwest, becoming moderate or rough later. Occasional rain, sleet and snow, becoming mainly fair in northwest and later elsewhere, but fog patches in east. Moderate or good, occasionally very poor except in northwest. Light or moderate icing expected in far northwest with temperatures ms03 to ms05 until 282200utc.
Norwegian Basin
Southwesterly 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 to 6 later in southwest. Very rough or high, becoming rough or very rough later. Occasional rain or squally showers, becoming mainly fair later in southwest. Moderate or good, occasionally poor.
Outlook for following 24 hours
Violent storms expected in Denmark Strait with storms in West Northern Section. Gales expected in Shannon, Rockall, Bailey, East Northern Section, 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.
West Northern Section, East Central Section, West Central Section, and Denmark Strait.
Issued:
At 280000UTC, low 46 north 39 west 982 expected 60 north 35 west 939 by 290000UTC. Winds are expected to reach storm force 10 within 300 miles of the centre in the southeastern quadrant until 281800UTC, then developing within 150 miles of the centre in the southern semicircle from 281800UTC extending to the eastern quadrant and within 150 miles of the centre by 290300UTC, this then extending to all quadrants within 150 miles of the centre and also strengthening to violent storm force 11 from 290400UTC. Northeasterly winds are also expected to reach storm force 10 within 200 miles of the Greenland coast between 60 and 67 north in West Northern Section and Denmark Strait from 282200UTC, strengthening to violent storm force 11 and becoming confined to within 150 miles of the coast from 290100UTC, this area then becoming restricted to within 100 miles of the coast by 290600UTC.