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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Mon 22 Dec 2014 UTC

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

General synopsis

At 221200UTC, low 65 north 11 west 973 expected 62 north 09 west 986 by 231200UTC. Low 65 north 01 west 975 expected 66 north 12 east 982 by same time. Low 47 north 31 west 1001 moving rather quickly northeastwards and losing its identity by that time. New low expected 42 north 43 west 1010 by 231200UTC

Sole

Southwest 5 to 7, perhaps gale 8 later. Rough or very rough. Occasional rain or drizzle. Moderate or good.

Shannon

Southwesterly 6 to gale 8, veering northwesterly 5 or 6 later in northwest. Very rough or high. Occasional rain. Moderate or good, occasionally poor.

Rockall

Westerly 5 to 7, occasionally gale 8 in north. Very rough or high. Rain or showers. Moderate or good, occasionally poor in south.

Bailey

West 7 to severe gale 9. Very rough or high. Squally showers. Moderate or good.

Faeroes

Southwest 7 to severe gale 9, becoming cyclonic 6 to gale 8 later. Very rough or high. Squally showers. Moderate or good.

Southeast Iceland

Cyclonic, becoming northeasterly later, 7 to severe gale 9. Very rough or high. Wintry showers. Moderate or good, occasionally poor.

East Northern Section

In north

Northerly or northwesterly 6 to gale 8. Very rough or high. Wintry showers. Moderate or good, occasionally poor.

In south

Westerly 6 to gale 8. Very rough or high. Wintry showers. Moderate or good, occasionally poor.

West Northern Section

In north

Northerly or northwesterly 5 to 7. Rough or very rough, occasionally high at first in east. Wintry showers. Good, occasionally poor.

In south

Westerly or northwesterly 6 to gale 8. Very rough. Wintry showers. Good, occasionally poor.

East Central Section

Cyclonic 6 to gale 8, becoming northerly or northwesterly 5 or 6 later. Very rough, occasionally high at first. Rain or showers. Moderate or good, occasionally poor in southeast.

West Central Section

In north

Northwesterly 5 to 7. Rough or very rough. Showers, wintry in northwest. Good, occasionally moderate.

In south

Northeasterly 5 to 7. Rough or very rough, occasionally high at first in east. Occasional rain. Moderate or good.

Denmark Strait

Northeasterly 7 to severe gale 9, decreasing 5 or 6 later. Rough or very rough, occasionally high at first. Occasional snow. Moderate or good, occasionally poor. Light or moderate icing near ice edge, with temperatures ms03 to ms06.

North Iceland

In north

Northeasterly 5 to 7. Moderate or rough. Occasional snow. Moderate or good, occasionally poor. Moderate icing in northwest, with temperatures ms06 to ms09.

In south

Northeasterly, but cyclonic at first in south, 6 to gale 8, occasionally severe gale 9 in south. Rough or very rough, occasionally high at first. Wintry showers. Good, occasionally poor. Light or moderate icing in far northwest, with temperatures ms02 to ms05.

Norwegian Basin

Cyclonic, becoming northeasterly later, 5 to 7. Very rough or high. Wintry showers. Good, occasionally poor.

Outlook for following 24 hours

From Tue 23 Dec 2014

Severe gales expected in Bailey, Southeast Iceland and West Central Section. Gales also expected in Sole, Rockall, Faeroes, East Central Section, both northern sections 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.