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yellow Warnings have been issued for the United Kingdom

High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Fri 24 Oct 2014 UTC

The high seas forecast, issued by the Met Office, on behalf of the Maritime and Coastguard Agency

Storm warnings

At 241200UTC, low 64 north 32 west 983 expected 62 north 35 west 975 by 251200UTC. Winds are expected to reach storm force 10 between 70 and 150 miles of the centre in the western quadrant between 250300UTC and 251200UTC. New low, moving rapidly eastwards, expected 62 north 19 west 966 by same time. Westerly winds are expected to reach storm force 10 in the south of East Northern Section after 250300UTC and in the south of West Northern Section until 251200UTC

General synopsis

At 241200UTC, low 64 north 32 west 983 expected 62 north 35 west 975 by 251200UTC. New low, moving rapidly eastwards, expected 62 north 19 west 966 by same time. Low 66 north 08 west 983 expected 69 north 04 west 981 by that time. at 241200UTC, low 73 north 08 west 976 expected 74 north 13 west 982 by 251200UTC. New low moving steadily northeastwards, expected 49 north 40 west 997 by same time. High 44 north 37 west 1026 expected 43 north 28 west 1022 by that time

Sole

West 4 or 5, backing southwest 5 or 6. Moderate or rough, becoming very rough. Showers. Good.

Shannon

Southwesterly 5 to 7, occasionally gale 8 in north. High in north, otherwise very rough. Showers. Good, occasionally poor.

Rockall

West or southwest 5 to 7, increasing gale 8 or severe gale 9. Very rough becoming high, occasional very high later. Rain or squally showers. Good becoming moderate or poor.

Bailey

West or southwest 5 to 7, increasing gale 8 or severe gale 9. Very rough becoming high, occasional very high later. Rain or squally showers. Good becoming moderate or poor.

Faeroes

Southwest 5 to 7, increasing gale 8 or severe gale 9 later. Rough or very rough, becoming very rough or high later. Rain or squally showers. Good, occasionally poor.

Southeast Iceland

Cyclonic 4 or 5, increasing 6 to gale 8, perhaps severe gale 9 later. Rough or very rough, becoming high later in southeast. Rain or showers. Moderate or good, occasionally poor.

East Northern Section

In northwest

Easterly or southeasterly, becoming cyclonic, then northerly or northwesterly, 5 to 7, occasionally gale 8 in south. Moderate or rough, becoming very rough or high in south. Occasional rain, sleet or wintry showers. Moderate or good, occasionally poor.

In northeast

Southerly or southwesterly 4 or 5, becoming cyclonic 6 to gale 8, occasionally severe gale 9 later. Moderate or rough for a time in north, otherwise rough or very rough, becoming high, and very high later in southeast. Occasional rain, sleet or wintry showers. Moderate or good, occasionally poor.

In south

Westerly 7 to severe gale 9, occasionally storm 10. Very rough or high, becoming high or very high. Rain then squally wintry showers. Moderate or poor.

West Northern Section

In northwest

Cyclonic, becoming mainly northerly 7 to severe gale 9, occasionally storm 10 for a time in west, decreasing 5 to 7 later. Moderate or rough, becoming rough or very rough. Occasional snow or snow showers, becoming mainly fair later. Moderate, occasionally very poor, becoming mainly good later. Light icing in far northwest, occasionally moderate at first.

In northeast

Cyclonic, becoming mainly northerly later, 5 to 7, occasionally gale 8 in far northwest and in far south, becoming variable 3 or 4 at times in central areas. Moderate or rough, becoming very rough in south. Occasional snow or wintry showers. Moderate or poor, occasionally good.

In south

Westerly 7 to severe gale 9, occasionally storm 10 until later. Very rough or high, becoming very high for a time in southeast. Squally snow showers. Poor, occasionally moderate.

East Central Section

In north

Westerly 6 to gale 8, occasionally severe gale 9 in north. Very rough or high, occasionally very high later in far north. Squally showers, rain later. Moderate or good, occasionally poor later.

In south

Variable 4 in far south, otherwise westerly backing southwesterly later, 5 to 7. Rough or very rough, occasionally high in north. Mainly fair, rain later in northwest. Moderate or good, occasionally poor later in northwest.

West Central Section

In south

Westerly 5 or 6, backing southwesterly, but becoming cyclonic in far north, 6 to gale 8, occasionally severe gale 9. Rough or very rough. Fair then occasional rain. Good becoming moderate or poor.

In north

Westerly veering northwesterly later, 5 to 7, occasionally gale 8 in far north, becoming cyclonic 6 to gale 8 later in southeast. Very rough or high. Showers, then occasional rain in south. Good, becoming moderate or poor in south.

Denmark Strait

In far southwest

Northeasterly 7 to severe gale 9, decreasing 5 or 6 later. Moderate or rough, becoming rough or very rough for a time. Occasional snow, becoming fair. Moderate, occasionally very poor, becoming good. Light or moderate icing until later near greenland coast with temperatures near ms02.

In area north of 69 north

Variable 3 or 4, becoming northerly 5 or 6 later. Slight or moderate. Fair then snow. Good becoming poor or very poor. Light icing later with temperatures ms02 to ms04.

In rest of area

Northerly or northeasterly 5 to 7, occasionally gale 8 in south. Moderate or rough. Occasional rain, sleet or wintry showers. Moderate or good, occasionally poor. Occasional light icing later in north with temperatures near ms02.

North Iceland

In north

Cyclonic, mainly northwesterly at first, becoming mainly northeasterly later, except in south, 5 to 7, decreasing 4 at times. Rough becoming moderate. Occasional snow. Moderate or poor, occasionally good, but becoming very poor in west. Light or moderate icing in west with temperatures ms02 to ms04.

In south

Mainly easterly or northeasterly, but becoming cyclonic at times in southeast, 5 to 7, occasionally gale 8 in southeast. Moderate or rough, but very rough in far southeast. Occasional rain or showers. Moderate or good, occasionally poor. Light icing in far northwest with temperatures near ms02.

Norwegian Basin

Southerly or southwesterly 5 to 7, increasing gale 8 or severe gale 9 later. Rough or very rough, becoming very rough or high later. Occasional rain or squally showers. Moderate or poor, occasionally good.

Outlook for following 24 hours

From Sat 25 Oct 2014

Violent storms expected in Bailey and Faeroes with storms expected in Rockall, East Northern Section and Norwegian Basin. Severe gales expected in Shannon, Southeast Iceland, West Northern Section, East Central Section and West Central Section. Gales expected in Denmark Strait and north Iceland.

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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