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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Sat 19 Apr 2014 UTC

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

Storm warnings

At 191200UTC, low 44 north 55 west 1013 expected 50 north 47 west 981 by 201200UTC. Southeasterly winds will reach storm force 10 at times after 201000UTC in the west of West Central Section

General synopsis

At 191200UTC, low 44 north 55 west 1013 expected 50 north 47 west 981 by 201200UTC. Low 66 north 33 west 995 expected 67 north 28 west 999 by same time. New low expected 63 north 05 west 1017 by that time. at 191200UTC, high 48 north 42 west 1031 expected 55 north 24 west 1022 by 201200UTC. Highs 58 north 08 east 1026 and 73 north 20 west 1008 dissipating

Sole

Easterly backing northeasterly 4 or 5, occasionally 6. Moderate becoming rough Showers. Moderate or good

Shannon

Southeast backing northeast later, 3 or 4, occasionally 5 later. Rough Occasional rain. Good, occasionally moderate

Rockall

Northeasterly 5 or 6 in northwest, otherwise variable 3 or 4. Rough, but very rough at first in northwest Occasional rain. Moderate or good

Bailey

In southeast, northeasterly 5 or 6. in northwest, southwesterly 4 or 5, becoming variable 3 at times. In southeast, very rough becoming rough. in northwest, very rough becoming rough In southeast, occasional rain. in northwest, showers. In southeast, moderate or good. in northwest, good

Faeroes

Northerly becoming cyclonic for a time in east, 4 or 5, occasionally 6 at first. Moderate or rough, occasionally very rough at first Occasional rain. Moderate or good

Southeast Iceland

Southwesterly 5 to 7. Very rough becoming rough Wintry showers. Mainly good

East Northern Section

In northwest

Southwesterly 5 to 7, occasionally gale 8, decreasing 4 at times later in south. Very rough or high, becoming rough later except near Iceland coast. Snow or wintry showers. Moderate or poor.

In far southeast

Northeasterly 5 to 7. Very rough becoming rough later. Occasional rain, mainly fair later. Moderate or good, occasionally poor.

In rest of area

Variable 3 or 4, becoming southeasterly 5 or 6 later in far southwest. Very rough becoming rough later. Showers, wintry in northwest. Moderate or good.

West Northern Section

In far northwest

Variable 3 or 4. Moderate, occasionally rough. Snow showers. Moderate or good.

In rest of area

Southerly or southwesterly 5 to 7, occasionally gale 8, backing easterly or southeasterly 6 to gale 8 later in south. Very rough, occasionally high, becoming moderate or rough later. Squally wintry showers, occasional rain or sleet later in south. Moderate or good, occasionally poor. Light to moderate icing in the far west at first.

East Central Section

In northwest

Northerly or northeasterly veering easterly or southeasterly later 5 or 6, occasionally 7 at first, becoming variable 3 or 4 for a time in northwest. Very rough becoming rough. Occasional rain, becoming mainly fair later. Moderate or good, occasionally poor at first.

In southeast

Variable 3 or 4 in southeast at first, otherwise northerly or northeasterly 4 or 5, but 5 to 7 until later in northwest. Rough. Occasional rain, then showers. Moderate or good, occasionally poor at first.

West Central Section

In north

Westerly or northwesterly 4 or 5, occasionally 6 at first, becoming variable 3 or 4, then becoming easterly or southeasterly 7 to severe gale 9 later, then increasing storm 10 at times in west. Rough, becoming very rough or high later in west. Mainly fair, then rain except in far east. Good, becoming moderate or poor except in far east.

In south

Northeasterly 5 to 7, becoming variable 3 or 4, then becoming southerly or southeasterly 7 to severe gale 9, occasionally storm 10 later in west. Rough or very rough, occasionally high later in northwest. Mainly fair, then rain except in far east. Good, becoming moderate or poor except in far east.

Denmark Strait

Mainly southwesterly 5 to 7, but becoming cyclonic 4 or 5 at times in west. Rough or very rough. Occasional snow. Moderate or good, occasionally very poor. Occasional light to moderate icing near ice edge with temperatures ms02 to ms04.

North Iceland

In north

Variable 3 or 4, becoming cyclonic 4 or 5, occasionally 6 in south. Moderate or rough. Snow showers, then occasional snow later. Good, occasionally poor, becoming moderate, occasionally very poor later.

In south

Southwesterly 5 or 6, increasing 7 at times, becoming variable 3 or 4 at times in far southeast. Moderate or rough, occasionally very rough at first in far south. Wintry showers. Good, occasionally poor.

Norwegian Basin

Variable 3 or 4 at first in northwest, otherwise cyclonic 4 or 5, occasionally 6 in far east. Rough. Mainly fair in far southeast, otherwise occasional rain, becoming fair later in far northwest. Moderate or good, occasionally poor.

Outlook for following 24 hours

From Sun 20 Apr 2014

Storms expected in West Central Section, with severe gales in West Northern Section. Gales expected in both eastern sections, 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.

Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed. Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.