High seas forecast

Issued by the Met Office at

For the period until

Storm warnings

At 151200UTC, low 62 north 21 west 961 moving steadily eastwards and losing its identity by 161200UTC. Westerly or southwesterly winds will reach storm force 10 until 160200UTC in that part of East Northern Section that lies both east of 23 west and between 58 north and 59 north. Low 49 north 49 west 990 expected 57 north 25 west 964 by same time. Winds will reach storm force 10 or violent storm force 11 within 150 miles of the centre in the south quadrant between 160800UTC and 161500UTC, and then between 50 and 200 miles from the centre in the southeast quadrant after 161500UTC. Also, westerly or northwesterly winds will reach storm force 10 in the far southwest of West Central Section between 160100UTC and 161100UTC. In addition, northwesterly winds will reach storm force 10 or violent storm force 11 after 160500UTC in the far southwest of West Northern Section, and also after 160800UTC in that part of West Central Section that lies both west of 32 west and north of 51 north. finally, northerly or northeasterly winds will reach storm force 10 at times after 160000UTC in that part of Denmark Strait that lies both east of 24 west and between 67 north and 70 north

General synopsis

At 151200UTC, low 62 north 21 west 961 moving steadily eastwards and losing its identity by 161200UTC. Low 49 north 49 west 990 expected 57 north 25 west 964 by same time. New low expected 66 north 09 west 978 by that time

Area forecasts for the next 24 hours

Sole

West backing southwest, 5 to 7. Very rough or high. Squally showers, then rain later. Moderate or good, occasionally poor.

Shannon

West backing south or southwest, 6 to gale 8. High or very high, becoming very rough or high later. Squally thundery showers, then rain. Poor, occasionally moderate.

Rockall

West backing south or southwest, 6 to gale 8, increasing severe gale 9 at times. High or very high, becoming very rough or high later. Squally thundery showers, then rain. Poor, occasionally moderate.

Bailey

Southwest becoming cyclonic 7 to severe gale 9, decreasing 4 to 6 for a time. Very high, becoming very rough or high later. Squally thundery showers, then rain later. Poor, occasionally moderate.

Faeroes

Southwesterly 6 to gale 8, occasionally severe gale 9 in south, then becoming cyclonic 4 to 6 later. Very rough or high, becoming very high for a time in south. Squally thundery showers. Moderate or poor.

Southeast Iceland

Northeasterly backing northwesterly 6 to gale 8 until later in north, otherwise cyclonic 4 to 6. Very high at first in south, otherwise very rough or high. Rain, snow or wintry showers. Moderate or poor, occasionally very poor.

East Northern Section

In area to the north of 60 north

Cyclonic 6 to gale 8 decreasing 4 to 6, then increasing 7 to severe gale 9 later. Very high at first in south, otherwise very rough or high, but becoming rough or very rough in northwest. Rain, snow or showers, squally, thundery or wintry at times. Moderate or poor, becoming very poor at times, but occasionally good in northwest.

In area to the south of 60 north

Westerly or southwesterly 7 to severe gale 9, occasionally storm 10 at first in north, becoming cyclonic 4 to 6, then increasing gale 8 to storm 10 later, increasing violent storm 11 at times later. High or very high, becoming very rough or high in west. Rain or squally showers, with sleet or snow for a time in west. Poor in east, but in west, moderate or poor, occasionally very poor.

West Northern Section

In area to the north of 60 north

Northerly or northeasterly 6 to gale 8. High becoming very rough. Sleet or snow at times. Moderate or poor, occasionally very poor. Light or moderate icing at times in far northwest.

In area to the south of 60 north

Westerly or northwesterly 6 to gale 8, becoming cyclonic 4 to 6 for a time except in far west, then becoming northwesterly severe gale 9 to violent storm 11 in southwest, and also cyclonic severe gale 9 to violent storm 11 for a time later in very far southeast. Very high at first in far east, and also later in far southwest, otherwise very rough or high. Rain, sleet or snow at times. Moderate to very poor.

East Central Section

Westerly 3 to 5 at first in southeast and 6 to gale 8 at first in northeast, otherwise southerly or southwesterly 6 to gale 8, occasionally severe gale 9 in west and north, but increasing storm 10 for a time later in very far northwest, then becoming cyclonic 6 to gale 8 later in west. Very high at first in northeast, otherwise very rough or high. Rain, thundery at times in north and west, and drizzle for a time in southeast, then squally showers later in west, perhaps wintry. Moderate or poor.

West Central Section

Cyclonic 6 to gale 8, increasing severe gale 9 at times, but becoming westerly or northwesterly severe gale 9 or storm 10 for a time in far southwest, and then becoming northwesterly severe gale 9 to violent storm 11 later in north to the west of 32 west. Very rough or high, becoming high or very high later. Rain, thundery at times, with sleet or snow in north and west, then squally sleet or snow showers. Moderate or poor, occasionally very poor.

Denmark Strait

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 in east between 67 north and 70 north, decreasing 6 at times elsewhere. Very rough or high. Sleet or snow at times. Moderate or good, occasionally very poor. Light or moderate icing except in southeast, with temperatures ms02 to ms05, but severe icing at times in east near the ice, with temperatures ms06 to ms08.

North Iceland

In northwestern half of the area

Northerly or northeasterly 6 to gale 8, increasing severe gale 9 at times. Rough or very rough, occasionally high. Snow at times. Moderate or good, occasionally very poor. Light or moderate icing except in far south and far east, with temperatures ms02 to ms05, but severe icing at times near the ice, with temperatures ms06 to ms08.

In southeastern half of the area

Cyclonic 4 to 6, occasionally 7 at first in south, but becoming northeasterly 6 to gale 8 in north. Rough or very rough, becoming high for a time in far southeast. Rain, sleet or snow at times. Moderate or good, occasionally very poor.

Norwegian Basin

In western half of the area

Southerly or southwesterly 4 to 6, increasing 7 or gale 8 for a time later in southeast but becoming cyclonic for a time later in west. Rough or very rough becoming very rough or high. Showers, squally or thundery at times, and perhaps wintry. Moderate or poor, occasionally good at first.

In eastern half of the area

Southerly or southeasterly 4 to 6 in far east, but elsewhere southerly or southwesterly 6 to gale 8, increasing severe gale 9 at times. Moderate or rough at first in far east, otherwise mainly rough or very rough, but becoming high later in west. Rain at times, then squally showers. Moderate or good, occasionally poor.

Outlook for following 24 hours

Violent storm force winds expected in Denmark Strait and north Iceland. Storm force winds expected in East Northern Section, West Northern Section, West Central Section and Norwegian Basin. Severe gales expected in Rockall, Bailey, Faeroes, Southeast Iceland and East Central Section. Gales expected in west Sole and Shannon, but with a risk of severe 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.

East Northern Section, West Northern Section, East Central Section, West Central Section and Denmark Strait.

Issued:

At 151200UTC, low 62 north 21 west 961 moving steadily eastwards and losing its identity by 161200UTC. Westerly or southwesterly winds will reach storm force 10 until 160200UTC in that part of East Northern Section that lies both east of 23 west and between 58 north and 59 north. Low 49 north 49 west 990 expected 57 north 25 west 964 by same time. Winds will reach storm force 10 or violent storm force 11 within 150 miles of the centre in the south quadrant between 160800UTC and 161500UTC, and then between 50 and 200 miles from the centre in the southeast quadrant after 161500UTC. Also, westerly or northwesterly winds will reach storm force 10 in the far southwest of West Central Section between 160100UTC and 161100UTC. In addition, northwesterly winds will reach storm force 10 or violent storm force 11 after 160500UTC in the far southwest of West Northern Section, and also after 160800UTC in that part of West Central Section that lies both west of 32 west and north of 51 north. Finally, northerly or northeasterly winds will reach storm force 10 at times after 160000UTC in that part of Denmark Strait that lies both east of 24 west and between 67 north and 70 north.