Use my current location crosshair
yellow Warnings have been issued for the United Kingdom

High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Sun 23 Nov 2014 UTC

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

General synopsis

At 230000UTC, low 60 north 14 west 999 expected 60 north 02 west 1006 by 240000UTC. Low 56 north 47 west 962 expected 61 north 42 west 974 by same time. Developing low moving steadily northeast expected 59 north 25 west 983 by that time. at 230000UTC, high 45 north 19 west 1026 expected 50 north 08 west 1025 by 240000UTC

Sole

Northerly or northwesterly 4 or 5, becoming variable 3 or 4, then becoming cyclonic 5 or 6 in west. Rough. Fair, rain later in west. Moderate or good.

Shannon

Variable 4, becoming southerly 5 to 7, perhaps gale 8 later, veering westerly 5 or 6 later in west. Rough or very rough. Rain later. Moderate or good.

Rockall

Cyclonic, becoming south or southwest, 5 to 7, decreasing 4 for a time, increasing gale 8 later in west. Rough or very rough, occasionally moderate. Rain or squally showers. Moderate or good.

Bailey

Cyclonic, becoming south or southwest, 5 to 7, increasing gale 8 at times, decreasing 4 for a time. Rough or very rough, occasionally moderate. Rain or squally showers. Moderate or good.

Faeroes

Cyclonic, becoming west or northwest, 4 or 5, increasing 6 or 7 at times. Moderate or rough, occasionally very rough until later. Showers. Good.

Southeast Iceland

Variable 4, becoming southerly or southeasterly 5 or 6 later in southwest. Moderate or rough. Occasional rain in north. Moderate or good.

East Northern Section

In northeast

Westerly or southwesterly, backing southerly or southeasterly for a time, 4 or 5, occasionally 6 at first, increasing 7 or gale 8. Rough or very rough. Rain at times, then showers later. Moderate or good, occasionally poor.

In southeast

Westerly or southwesterly, backing southerly or southeasterly for a time, 5 or 6, increasing 7 to severe gale 9 for a time. Rough or very rough. Fair then rain for a time, showers later. Moderate or good, occasionally poor.

In southwest

Southerly or southeasterly, veering westerly or southwesterly, 6 to gale 8, occasionally severe gale 9 until later. Rough or very rough, occasionally high. Rain for a time, then squally showers. Moderate or good, occasionally poor at first.

In northwest

Southerly 4 at first in far north, otherwise southeasterly 5 to 7, becoming cyclonic 7 to severe gale 9 later. Rough or very rough, occasionally moderate at first in far north, becoming high later in south. Rain at times, showers later in south. Moderate or good, occasionally poor.

West Northern Section

In north

Cyclonic 6 to gale 8, occasionally severe gale 9 at first in far northwest, becoming variable 3 or 4, then becoming southerly or southeasterly 5 to 7 for a time. Rough or very rough, occasionally high. Rain or squally wintry showers. Moderate or poor, occasionally good.

In southeast

Southerly or southwesterly, veering westerly for a time, 5 to 7, occasionally gale 8 in far southeast at first. Very rough or high. Rain then squally wintry showers. Moderate or good, occasionally poor.

In southwest

Southerly or southwesterly 6 to gale 8, occasionally severe gale 9 at first in far west, decreasing 5 at times later. Very rough or high, occasionally very high at first. Squally wintry showers. Good, occasionally poor.

East Central Section

In northeast

Southerly or southwesterly, veering westerly or southwesterly, 5 to 7, increasing gale 8 or severe gale 9 for a time. Rough or very rough. Rain for a time, otherwise fair. Moderate or good, occasionally poor.

In southeast

Variable 3 or 4 at first in far southeast, otherwise southerly 5 to 7, increasing gale 8 or severe gale 9 for a time, veering northerly or northwesterly 4 or 5 later. Rough or very rough, becoming moderate for a time in far southeast. Rain for a time, otherwise fair. Moderate or good, occasionally poor.

In west

Southerly 7 to severe gale 9, veering westerly or southwesterly 5 to 7, decreasing 4 later in far south. Rough or very rough, becoming high at times. Rain then showers, squally and wintry at times in north. Moderate or good, occasionally poor.

West Central Section

In east

Cyclonic, becoming westerly or southwesterly, 5 to 7, occasionally gale 8 at first. Very rough or high. Rain then wintry showers. Moderate or good, occasionally poor.

In west

Westerly or southwesterly 5 to 7, increasing gale 8 at times. Very rough or high. Squally wintry showers. Good, occasionally poor.

Denmark Strait

In north

Variable 3. Smooth or slight. Freezing rain at times, fog banks. Poor or very poor, occasionally moderate.

In southeast

Variable 3 or 4, becoming easterly 5 to 7, occasionally gale 8 later. Moderate or rough, occasionally very rough later. Fog patches at first, rain at times. Moderate or poor, occasionally very poor at first.

In southwest

Easterly or northeasterly, gale 8 or severe gale 9 at times in far southwest, otherwise 5 to 7. Moderate becoming very rough. Rain. Moderate or poor.

North Iceland

In north

Southerly or southeasterly 4 or 5, decreasing 3 at times. Moderate, occasionally rough. Occasional rain at first, fog patches. Moderate or poor, occasionally very poor.

In south

Cyclonic in far south, otherwise easterly or southeasterly, 4 or 5, increasing 6 or 7 later in west. Very rough at first in far south, otherwise moderate or rough. Rain at times. Moderate or poor.

Norwegian Basin

In east

Southerly becoming cyclonic 4 or 5, increasing 6 at times. Moderate or rough. Rain. Moderate, occasionally good.

In west

Cyclonic 5 to 7, occasionally gale 8 at first, becoming southwesterly 4 or 5, veering westerly or northwesterly 4 or 5, decreasing 3 for a time. Rough or very rough, becoming mainly moderate later. Rain or showers. Moderate or good.

Outlook for following 24 hours

From Mon 24 Nov 2014

Storms expected in East Northern Section and Denmark Strait. Gales or severe gales expected in all other areas except Sole, Shannon, Faeroes 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.

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.