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High Seas forecast

Issued at 2000 UTC on Thursday 26 May 2016
by the Met Office, Exeter, United Kingdom
for the period 2000 UTC Thursday 26 May until 2000 UTC Friday 27 May 2016

General synopsis

At 261200UTC, low 42 north 17 west 1002 expected 41 north 20 west 1004 by 271200UTC. New lows expected 47 north 40 west 1009 and 65 north 38 west 999 by same time. Low 54 north 44 west 1008 expected 62 north 31 west 999 by that time. at 261200UTC, low 72 north 20 west 991 expected 78 north 05 west 993 by 271200UTC. Highs 55 north 24 west 1025, 61 north 07 west 1026 and 67 north 08 east 1026 all dissipating

Area forecasts for the next 24 hours

Sole

Easterly 4 or 5, becoming variable 3 or 4 in east. Moderate. Showers. Good.

Shannon

Northeasterly 4 or 5, becoming variable, mainly easterly, 3 or 4. Slight or moderate. Mainly fair. Good.

Rockall

Northeasterly 4 or 5, becoming variable, mainly easterly, 3 or 4. Slight or moderate. Mainly fair. Good.

Bailey

In southeast, northeasterly 4 or 5, becoming variable, mainly easterly, 3 or 4. in northwest, southwesterly 4 or 5. In southeast, slight or moderate. in northwest, moderate. In southeast, mainly fair. in northwest, fair. Good.

Faeroes

Variable 3 or 4. Slight or moderate. Fair. Good.

Southeast Iceland

Southwesterly 5 to 7, occasionally gale 8 in far northwest. Moderate, occasionally rough in northwest. Occasional drizzle. Moderate or good.

East Northern Section

Variable 4 in far southeast, otherwise southerly 5 to 7, but becoming cyclonic for a time in far northwest. Moderate or rough, occasionally very rough later in northwest. Occasional rain in northwest and later in far west, otherwise mainly fair. Moderate or good, occasionally poor in northwest and later in far west.

West Northern Section

Cyclonic, mainly westerly or southwesterly 5 to 7, occasionally gale 8 at first in far northwest, becoming variable 3 or 4 later in northwest. Moderate or rough, occasionally very rough later in southwest. Fair in far northwest, otherwise rain, becoming fair later, except in far east. Good throughout in far northwest, otherwise moderate or poor, becoming good later, except in far east.

East Central Section

In far northwest

Southerly 4 or 5. Moderate. Fair. Good.

In southeastern half of area

Northeasterly 5 or 6, occasionally 7 in far southeast. Moderate or rough. Rain or thundery showers. Good, occasionally poor.

In rest of area

Variable 4. Moderate. Fair. Good.

West Central Section

Variable 4 in far southeast, otherwise cyclonic, mainly southerly, veering northerly later in northwestern half of area, 5 or 6, occasionally 7 later in southwest. Moderate or rough. Fair in southeast and later in northwest, otherwise occasional rain or showers. Good in southeast and later in northwest, otherwise moderate or poor.

Denmark Strait

Southwesterly becoming cyclonic 5 or 6, occasionally 7 at first in far southwest and again later in southeast. Moderate or rough, occasionally very rough at first in central areas, becoming slight or moderate later in north. Fair then rain spreading north, except in southwest with snow later in north. Good becoming moderate or poor, except in southwest, and very poor later in north.

North Iceland

Mainly southerly or southwesterly 5 to 7, decreasing 4 at times in north and in west. Moderate or rough, occasionally very rough at first in southeast. Fair for a time in north, otherwise rain or drizzle with sleet at times in north and west, fog patches developing. Good for a time in north, otherwise moderate or poor, occasionally very poor. Occasional light icing near ice edge in north with temperatures near ms02.

Norwegian Basin

Variable, but mainly northeasterly in southeast and southwesterly in northwest, 3 or 4, increasing 5 at times in far northwest. Slight or moderate. Fair. Good.

Outlook for following 24 hours

Risk of gales in West Central Section, otherwise no hazards expected.

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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