High seas forecast

Issued by the Met Office at

For the period until

Storm warnings

Northeasterly winds are expected to reach storm force 10 within 100 miles of the greenland coast between 64 north and 69 north until 230400UTC in West Northern Section and throughout the period in Denmark Strait, and increasing violent storm force 11 at times from 221900UTC until 230300UTC close to the ice edge in the Denmark Strait. New low 57 north 30 west 980 by 230000UTC, initially moving quickly north and then becoming slow moving and filling. Northwesterly winds are expected to reach storm force 10 in the southeast corner of West Northern Section, south of 59 north and east of 29 west between 221600UTC and 222100UTC. New low moving quickly east expected 47 north 10 west 960 by 230000UTC. Westerly or northwesterly winds will reach storm force 10 south of 46 north in East Central Section until 230100UTC, and are expected to increase violent storm force 11 at times in southeast corner of East Central Section, south of 47 north and east of 17 west between 221300UTC and 222100UTC. And finally, westerly or northwesterly winds are also expected to reach storm force 10 in west central section, between 52 north and 47 north from 221700UTC until 230400UTC.

General synopsis

At 220000UTC, low 57 north 11 west 976, low 60 north 27 west 976 and low 58 north 48 west 977 all losing identity by 230000UTC. New lows expected 47 north 10 west 960, 57 north 30 west 980 and 62 north 52 west 978 by same time.

Area forecasts for the next 24 hours

Sole

Northwest backing southwest 5 to 7, occasionally gale 8 at first, becoming cyclonic 7 to severe gale 9 later. Very rough or high, becoming rough or very rough for a time. Rain. Good, occasionally poor.

Shannon

Northwesterly 6 to gale 8, becoming variable 2 to 4, then cyclonic 4 to 6, occasionally 7 later in south. Very rough or high, becoming mainly rough, occasionally moderate in north and very rough in southwest. Showers. Good.

Rockall

In southwest, northwest 5 to 7, becoming cyclonic 4 to 6, decreasing 3 at times. in northeast, easterly or southeasterly 6 to gale 8, decreasing 5 at times. In southwest, rough or very rough, occasionally high at first in far south and moderate later. in northeast, rough or very rough. In southwest, rain. in northeast, rain or showers. In southwest, good, occasionally poor. in northeast, good, occasionally poor.

Bailey

Easterly or southeasterly 6 to gale 8. Very rough or high. Rain or showers. Good, occasionally poor.

Faeroes

Easterly or southeasterly 6 to gale 8, occasionally severe gale 9. Very rough or high. Rain or showers. Good, occasionally poor.

Southeast Iceland

Easterly or southeasterly 6 to gale 8. Very rough or high. Rain or showers. Good, occasionally poor.

East Northern Section

In north

Cyclonic 6 to gale 8, occasionally severe gale 9 at first in north and east, becoming cyclonic 4 to 6 in southwest. Rough or very rough, occasionally high in east. Rain or squally showers. Moderate or good, occasionally poor.

In south

Cyclonic 4 to 6, occasionally 7 at first and later, but increasing 7 to severe gale 9 for a time in far southwest. Rough or very rough, occasionally high in southwest. Occasional rain or showers in north and east, squally at first, wintry showers in southwest. Good, occasionally poor.

West Northern Section

In area north of 62 north

Easterly or northeasterly, 6 to gale 8, but severe gale 9 or storm 10 in far northwest, becoming cyclonic 5 to 7 later. Very rough, occasionally high until later in northwest. Rain, but sleet and snow in far northwest. Moderate or good, occasionally very poor in far northwest and poor elsewhere.

In rest of area

Cyclonic 6 to gale 8, occasionally 5 at first and later, increasing gale 8 to storm 10 for a time in far southeast. Moderate or rough, becoming rough or very rough. Sleet and snow showers, squally at times. Moderate or good, occasionally very poor.

East Central Section

In north of area

Mainly westerly or northwesterly, 4 to 6 in northeast, otherwise cyclonic 5 to 7, occasionally gale 8, increasing severe gale 9 at times later in west. Rough or very rough, becoming very rough or high in west. Occasional rain or squally showers, wintry in west. Moderate or good, occasionally poor.

In south

Westerly or southwesterly backing southeasterly, 4 or 5 at first in east, otherwise cyclonic 7 to severe gale 9, occasionally storm 10 in south, increasing storm 10 or violent storm 11 for a time in far southeast, becoming northwesterly 7 to severe gale 9 later. Very rough or high, occasionally rough at first, but occasionally very high for a time in southeast. Squally wintry showers, thundery rain at times in east. Moderate or poor, occasionally very poor, good at times later.

West Central Section

Cyclonic becoming mainly westerly or northwesterly, 7 to severe gale 9, occasionally storm 10 for a time later in west and south, decreasing 4 or 5 later in northeast. Very rough or high, occasionally rough at first in northeast, and very high at times later in south. Squally wintry showers. Moderate or poor, occasionally very poor, good at times later.

Denmark Strait

Northeasterly, 7 to severe gale 9, but severe gale 9 to violent storm 11 in west close to ice edge. Rough or very rough, occasionally high in far southwest and moderate in northeast. Occasional rain, sleet, snow and freezing rain. Moderate to very poor, good at times in east.

North Iceland

In north

Variable 2 to 4 in far north, elsewhere cyclonic mainly east 3 to 5. Moderate, occasionally rough in south. Occasional rain or drizzle, fog patches until later. Moderate or good, occasionally very poor.

In south

Easterly or northeasterly 5 to 7, occasionally gale 8 in south and west. Rough, occasionally very rough in south. Occasional rain or drizzle, fog patches later. Moderate or good, occasionally very poor later.

Norwegian Basin

Cyclonic mainly southeasterly, 5 to 7, occasionally gale 8 in southwest, becoming variable 2 to 4 at times in north. Rough, occasionally moderate in east and very rough in west. Mainly fair. Moderate or good.

Outlook for following 24 hours

There is a risk of violent storms in West Northern Section and Denmark Strait, with storms in East Central Section. Gales or severe gales are expected all other areas, except north Iceland 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:

Northeasterly winds are expected to reach storm force 10 within 100 miles of the Greenland coast between 64 north and 69 north until 230400UTC in West Northern Section and throughout the period in Denmark Strait, and increasing violent storm force 11 at times from 221900UTC until 230300UTC close to the ice edge in the Denmark Strait. New low 57 north 30 west 980 by 230000UTC, initially moving quickly north and then becoming slow moving and filling. Northwesterly winds are expected to reach storm force 10 in the southeast corner of West Northern Section, south of 59 north and east of 29 west between 221600UTC and 222100UTC. New low moving quickly east expected 47 north 10 west 960 by 230000UTC. Westerly or northwesterly winds will reach storm force 10 south of 46 north in East Central Section until 230100UTC, and are expected to increase violent storm force 11 at times in southeast corner of East Central Section, south of 47 north and east of 17 west between 221300UTC and 222100UTC. And finally, westerly or northwesterly winds are also expected to reach storm force 10 in West Central Section, between 52 north and 47 north from 221700UTC until 230400UTC.