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yellow Warnings have been issued for the United Kingdom

High Seas forecast

Issued at 0800 UTC on Wednesday 28 September 2016
by the Met Office, Exeter, United Kingdom
for the period 0800 UTC Wednesday 28 September until 0800 UTC Thursday 29 September 2016

General synopsis

At 280000UTC, low 52 north 29 west 1007 expected 59 north 09 west 977 by 290000UTC. Low 60 north 43 west 1003, slow moving, filling 1005 by same time. Low 65 north 03 east 979 expected 69 north 02 east 983 by that time. Lows 53 north 43 west 1003 and 72 north 10 west 990, both losing their identities. Highs 43 north 16 west 1032 and 64 north 44 west 1015, both dissipating

Area forecasts for the next 24 hours

Sole

Southwest 5 or 6, occasionally 7 later. Moderate or rough. Drizzle, fog patches. Moderate or good, occasionally very poor.

Shannon

Southwest veering west later, 6 to gale 8. Rough or very rough. Occasional rain, fog patches. Moderate or very poor.

Rockall

West 5 or 6, backing southwest 7 to severe gale 9. Very rough or high. Occasional rain, fog patches. Moderate occasionally very poor.

Bailey

West or northwest veering east 5 to 7, becoming variable 4, then becoming cyclonic 7 to severe gale 9, perhaps storm 10 later. Very rough or high. Rain or squally showers. Moderate or good, occasionally poor.

Faeroes

West or northwest veering east 5 to 7, becoming variable 4, then becoming cyclonic 7 to severe gale 9, perhaps storm 10 later. Very rough or high. Rain or squally showers. Moderate or good, occasionally poor.

Southeast Iceland

Westerly 5 or 6, becoming variable 4, then northeasterly 6 to gale 8 later. Rough or very rough. Rain or showers. Good, occasionally poor.

East Northern Section

In southeast

Cyclonic, becoming mainly westerly 6 to gale 8. Rough or very rough. Occasional rain or showers. Moderate or good, occasionally poor.

In rest of area

Cyclonc, becoming mainly northwesterly later, 5 to 7, becoming variable 3 or 4 at times in north. Very rough at first in east, otherwise moderate or rough. Occasional rain or showers. Moderate or good.

West Northern Section

Cyclonic 4 or 5, becoming mainly westerly or northwesterly 5 to 7 in south. Moderate or rough. Occasional rain or showers. Mainly good.

East Central Section

Cyclonic at first in far north, otherwise westerly or southwesterly 5 to 7, occasionally gale 8 in north and increasing severe gale 9 for a time in far northeast. Rough or very rough, occasionally high for a time in northeast. Occasional rain at first in north, otherwise showers. Good, occasionally moderate at first in north.

West Central Section

Cyclonic at first in far north otherwise westerly or northwesterly 5 to 7, occasionally gale 8 at first in south. Moderate or rough, but rough or very rough in central areas. Showers. Good.

Denmark Strait

Cyclonic 4 or 5, becoming northerly or northeasterly 5 to 7, occasionally gale 8 later in far east. Moderate or rough, becoming rough or very rough in east. Showers, occasionally wintry, otherwise mainly fair. Mainly good.

North Iceland

Cyclonic at first in east, otherwise northerly or northwesterly 5 to 7, occasionally gale 8. Moderate or rough at first in northeast and in southwest, otherwise rough or very rough. Occasional rain with sleet or snow in north. Moderate or good, occasionally poor, but becoming very poor at times in north.

Norwegian Basin

Cyclonic, becoming mainly northwesterly for a time, 6 to gale 8, occasionally severe gale 9 at first in northeast and again later in far south, becoming variable 3 or 4 for a time. Rough or very rough. Occasional rain or showers. Moderate or poor, becoming good for a time.

Outlook for following 24 hours

Gales or severe gales expected in Rockall, Faeroes, Southeast Iceland, Denmark Strait, north Iceland 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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