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High Seas forecast

Issued at 2000 UTC on Tuesday 28 March 2017
by the Met Office, Exeter, United Kingdom
for the period 2000 UTC Tuesday 28 March until 2000 UTC Wednesday 29 March 2017

General synopsis

At 281200UTC, low 46 north 37 west 971 expected 47 north 28 west 983 by 291200UTC. Low 50 north 28 west 987 expected 53 north 34 west 977 by same time. New low moving northwards, expected 57 north 16 west 989 by that time. at 281200UTC, high 71 north 28 west 1035 expected 66 north 03 west 1023 by 291200UTC

Area forecasts for the next 24 hours

Sole

Southerly 5 to 7, occasionally gale 8 in west. Rough becoming very rough. Occasional rain. Moderate or good, occasionally poor.

Shannon

South or southeast 5 or 6, increasing 7 or gale 8, perhaps severe gale 9 later. Moderate or rough, becoming very rough, occasionally high later in west. Occasional rain. Moderate or good, occasionally poor.

Rockall

South or southeast 5 or 6, increasing 7 or gale 8, perhaps severe gale 9 later. Moderate or rough, becoming very rough, occasionally high later in west. Occasional rain. Moderate or good, occasionally poor.

Bailey

Easterly 5 to 7, perhaps gale 8 later. Moderate or rough, becoming rough or very rough later. Occasional rain or drizzle. Moderate or good, occasionally poor.

Faeroes

Easterly 5 to 7, perhaps gale 8 later. Moderate or rough, becoming rough or very rough later. Occasional rain or drizzle. Moderate or good, occasionally poor.

Southeast Iceland

Easterly 5 to 7, occasionally gale 8 in west. Rough or very rough. Occasional rain. Moderate or poor.

East Northern Section

In north

Easterly 5 to 7, occasionally gale 8 in east. Moderate or rough, becoming rough or very rough in east. Occasional rain or drizzle. Moderate or good, occasionally poor.

In south

Easterly becoming cyclonic 5 to 7, increasing gale 8 or severe gale 9 for a time in far east. Moderate or rough at first in northeast, otherwise rough or very rough. Occasional rain or showers. Moderate or good, occasionally poor.

West Northern Section

Easterly or northeasterly 5 to 7, occasionally gale 8 at first in far west, becoming cyclonic 7 to severe gale 9 for a time in far south. Moderate or rough in far north, otherwise rough or very rough. Occasional rain or drizzle, with sleet or snow in far northwest. Moderate or good, occasionally poor, but becoming very poor at times in far northwest. Occasional light icing near ice edge in far northwest.

East Central Section

In north

Cyclonic 7 to severe gale 9 at first in west, otherwise southerly or southeasterly 5 to 7. Rough or very rough. Occasional rain or thundery showers. Moderate or good, occasionally poor.

In south

Southerly or southwesterly 6 to gale 8, occasionally severe gale 9 later in southwest. Very rough or high. Occasional rain or thundery showers. Moderate or good, occasionally poor.

West Central Section

Cyclonic, becoming mainly northerly or northwesterly later in west and in south, 6 to gale 8, occasionally severe gale 9 at first in far southwest and in northeast. Rough or very rough in north, very rough or high in south and very high at first in extreme south. Occasional rain or thundery showers. Moderate or good, occasionally poor.

Denmark Strait

Northeasterly 4 or 5, occasionally 6 in southwest, becoming variable 3 or 4 at times. Slight or moderate. Occasional snow, except in north. Good in north, otherwise moderate, occasionally very poor. Occasional light icing near ice edge in southwest, temperatures near ms02.

North Iceland

Variable 3 or 4, becoming cyclonic 5 or 6 at times. Slight or moderate. Snow showers developing later in central and northern areas, otherwise fair. Good, occasionally poor or very poor later in central and northern areas. Occasional light or moderate icing, except in far south, temperatures ms05 to ms08.

Norwegian Basin

Northeasterly veering easterly or southeasterly 4 or 5, but 6 or 7 in southeast, occasionally gale 8 at first in far southeast. Moderate or rough. Showers at first in northeast. Good.

Outlook for following 24 hours

Gales or severe gales expected in Rockall, Bailey, Faeroes, Southeast Iceland, East Northern Section, East Central Section, West Central Section and Norwegian Basin.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

High Seas overview

High seas forecasts are issued twice daily at 0930 and 2130 GMT and cover the next 24 hours and outlooks for the following 24 hours.

The part of the North Atlantic known as Metarea I is divided into twelve sea areas, six of which are also in the Shipping forecast.

The high seas forecast contains a general synopsis and sea-area forecasts containg forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

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