High seas forecast

Issued by the Met Office at

For the period until

Storm warnings

At 140000UTC, low 57 north 27 west 959 expected 66 north 11 west 942 by 150000UTC. Winds are expected to reach hurricane force 12 within 50 and 150 miles of the centre in the southern semicircle until 141400UTC. Winds are expected to reach violent storm force 11 within 50 and 200 miles of the centre in southern and southeastern quadrants and 50 and 100 miles of the centre in the western quadrant becoming by 141500UTC within 50 and 250 miles of the centre in the southeastern semicircle, until 150200UTC. Winds are also expected to reach violent storm force 11 between 150 and 250 miles of the centre in the northwestern quadrant from 141500UTC until 150000UTC. Winds are expected to reach storm force 10 within 300 miles of the centre in all quadrants, but exntending to within 350 miles of the centre in the southern quadrant by 150000UTC. Winds are also expected to reach storm force 10 between 300 and 450 miles of the centre in the southeastern quadrant until 141500UTC. southerly winds are expected to reach storm force 10 between 02 east and 06 east in Norwegian Basin from 141600UTC until 142300UTC. lastly northerly winds are expected to reach storm force 10 in the far northwest of north Iceland from 150300UTC

General synopsis

At 140000UTC, low 57 north 27 west 959 expected 66 north 11 west 942 by 150000UTC. Low 69 north 03 west 967 expected 78 north 06 east 969 by same time. Low 60 north 40 west 976 losing its identity

Area forecasts for the next 24 hours

Sole

Southwesterly 5 to 7, occasionally gale 8. Rough or very rough. Rain later. Good, occasionally poor.

Shannon

Southerly 7 to severe gale 9, becoming cyclonic 6 to gale 8, occasionally 5 later. Very rough or high. Rain. Poor.

Rockall

South 7 to severe gale 9, occasionally storm 10, veering southwest 6 to gale 8. Very rough or high, occasionally very high in north. Occasional rain. Moderate or poor.

Bailey

South veering southwest, severe gale 9 to violent storm 11, decreasing gale 8 later. Very rough or high becoming high or very high, occasionally phenomenal in north. Rain then squally showers. Poor.

Faeroes

South or southwest 6 to gale 8, increasing gale 8 to storm 10. Rough or very rough, becoming very rough or high, then high or very high. Rain or showers. Moderate or poor.

Southeast Iceland

Cyclonic 7 to severe gale 9, increasing severe gale 9 to violent storm 11. Rough or very rough becoming very high or phenomenal. Rain or squally showers. Poor.

East Northern Section

Cyclonic severe gale 9 to violent storm 11, occasionally hurricane force 12 at first just south of low centre, decreasing 7 to severe gale 9 in south and west, decreasing 5 to 7 later. Very rough or high at first in far north, otherwise high or very high, occasionally phenomenal at first in northeast, becoming very rough or high later. Rain or squally showers. Poor, becoming moderate or good occasionally poor later.

West Northern Section

In northeast

Northwesterly 7 to severe gale 9, decreasing 5 to 7, becoming cyclonic 4 to 6 later. Rough or very rough, occasionally high in far east. Squally showers. Good, occasionally poor.

In south

Cyclonic becoming westerly, 6 to gale 8, occasionally severe gale 9 at first in far east. Rough or very rough, occasionally high in east. Squally showers. Good, occasionally poor.

In northwest

Northerly or northwesterly, backing westerly or southwesterly later, 4 to 6. Rough, occasionally moderate in west and very rough later in east. Showers. Good, occasionally poor.

East Central Section

In north

Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 at first in east, decreasing 5 or 6. High becoming very rough or high. Rain at first in east, otherwise showers, squally at first. Moderate or poor, becoming good occasionally poor.

In south

Cyclonic 6 to gale 8, occasionally severe gale 9 at first in far northeast, becoming westerly or northwesterly 4 to 6 in west and later in east. Very rough or high, becoming rough or very rough later. Rain at times, then showers in northwest. Moderate or good, occasionally poor.

West Central Section

In north

Westerly 5 to 7, occasionally gale 8 at first. Very rough, occasionally high at first. Squally showers. Good, occasionally poor.

In south

Westerly or northwesterly 4 to 6, occasionally 7 at first in north, becoming variable 2 to 4 later in southwest. Very rough, occasionally high at first in east, becoming rough at times later in south and west. Rain at first in far southeast, otherwise showers, squally at first in north. Moderate or good, occasionally poor at first in east.

Denmark Strait

In area east of 31 west

Northeasterly 6 to gale 8, backing northerly gale 8 to storm 10, occasionally violent storm 11 in southeast, decreasing 5 to 7 later, but becoming variable 3 or 4 later in west. Rough or very rough becoming very rough or high. Wintry showers, sleet and snow for a time in southeast. Moderate or good, occasionally poor, becoming moderate to very poor for a time in southeast. Light or moderate icing expected in area enclosed east of 27 west and north of 68 north with temperatures ms03 to ms05, occasionally severe in far north with temperatures around ms07.

In area west of 31 west

Northeasterly 5 to 7, becoming cyclonic 4 to 6. Rough or very rough. Wintry showers. Good, occasionally poor.

North Iceland

Cyclonic 6 to gale 8, increasing gale 8 to storm 10, occasionally violent storm 11 in far southeast. Rough or very rough becoming very rough or high, but becoming high or very high in southeast, occasionally phenomenal in far southeast. Sleet and snow at times, but occasional rain in southeast. Moderate to very poor, occasionally good at first. Light or moderate icing in north and northwest with temperatures ms03 to ms06 gradually extending south in far west to 68 north, but severe or very severe in far north and northwest with temperatures ms07 to ms10.

Norwegian Basin

Southerly or southwesterly 6 to gale 8, increasing gale 8 to storm 10, then decreasing 6 to gale 8 again later in southeast. Rough or very rough becoming high, but occasionally very high in north and west. Rain at times, then squally showers in west and also later in east. Moderate or good, becoming moderate or poor.

Outlook for following 24 hours

Storms expected in north Iceland and Norwegian Basin with severe gales Faeroes and Southeast Iceland. Gales expected in Bailey, West Northern Section, West Central Section and Denmark Strait.

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, Faeroes, Southeast Iceland, East Northern Section, Denmark Strait, North Iceland, and Norwegian Basin.

Issued:

At 140000UTC, low 57 north 27 west 959 expected 66 north 11 west 942 by 150000UTC. Winds are expected to reach hurricane force 12 within 50 and 150 miles of the centre in the southern semicircle until 141400UTC. Winds are expected to reach violent storm force 11 within 50 and 200 miles of the centre in southern and southeastern quadrants and 50 and 100 miles of the centre in the western quadrant becoming by 141500UTC within 50 and 250 miles of the centre in the southeastern semicircle, until 150200UTC. Winds are also expected to reach violent storm force 11 between 150 and 250 miles of the centre in the northwestern quadrant from 141500UTC until 150000UTC. Winds are expected to reach storm force 10 within 300 miles of the centre in all quadrants, but exntending to within 350 miles of the centre in the southern quadrant by 150000UTC. Winds are also expected to reach storm force 10 between 300 and 450 miles of the centre in the southeastern quadrant until 141500UTC. Southerly winds are expected to reach storm force 10 between 02 east and 06 east in Norwegian Basin from 141600UTC until 142300UTC. Lastly northerly winds are expected to reach storm force 10 in the far northwest of north Iceland from 150300UTC.