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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Fri 30 Jan 2015 UTC

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

Storm warnings

At 300000UTC, low 61 north 02 east 958 expected 60 north 00 east 966 by 310000UTC. Northerly or northeasterly winds will continue to reach storm force 10 at times in sea area Faeroes and the far west of Norwegian Basin throughout, in the southeast of north Iceland until 310600UTC, in sea area Southeast Iceland until 302300UTC, and the east of sea area Bailey between 301000UTC and 302200UTC

General synopsis

At 300000UTC, low 61 north 02 east 958 expected 60 north 00 east 966 by 310000UTC. New low expected 63 north 38 west 1022 by same time. High 68 north 36 west 1025 expected 64 north 44 west 1026 by that time. Lows 54 north 05 west 971 and 53 north 28 west 1003 losing their identities

Sole

Northwest 6 to gale 8, occasionally severe gale 9 at first, perhaps severe gale 9 later. High, becoming rough or very rough, occasionally high later in west. Squally wintry showers. Good, occasionally poor.

Shannon

North or northwest 6 to gale 8, occasionally severe gale 9. Very rough or high. Squally wintry showers. Moderate, occasionally poor.

Rockall

North or northwest 6 to gale 8, occasionally severe gale 9. Very rough or high, occasionally very high. Squally wintry showers. Moderate, occasionally poor.

Bailey

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10. High or very high. Squally wintry showers. Moderate, occasionally very poor.

Faeroes

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10. High or very high. Squally wintry showers. Moderate, occasionally very poor.

Southeast Iceland

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10. High or very high. Squally wintry showers. Moderate, occasionally very poor.

East Northern Section

Northerly or northeasterly 5 or 6, but 7 to severe gale 9 in east until later, backing westerly or northwesterly 4 or 5 later in far west. Moderate or rough in far northwest, otherwise very rough or high, occasionally very high in far east. Squally wintry showers, becoming mainly fair later in west. Moderate or good, occasionally poor.

West Northern Section

In north

Northeasterly becoming cyclonic or variable, 4 or 5, increasing 6 at times. Moderate or rough. Mainly fair in east, otherwise occasional rain or snow. Moderate or good, occasionally very poor in far west.

In south

Variable 3 or 4, becoming northwesterly 5 or 6 for a time, then becoming southeasterly 6 to gale 8 later in west. Rough or very rough. Occasional rain or snow, becoming mainly fair later. Moderate or good, occasionally poor at first.

East Central Section

Westerly or northwesterly 5 to 7, increasing gale 8 at times, decreasing 3 or 4 later in far west. Very rough or high. Occasional rain or squally showers, occasionally wintry in north. Moderate or good, occasionally poor.

West Central Section

Westerly or northwesterly 5 to 7, occasionally gale 8 in southeast, becoming variable 3 or 4, then becoming southerly or southeasterly 5 to 7 later in west. Rough or very rough. Occasional rain or drizzle. Moderate or good, occasionally poor.

Denmark Strait

Northeasterly 4 or 5, becoming variable 3 or 4, then becoming cyclonic mainly westerly or southwesterly, 4 or 5, occasionally 6 later. Very rough at first in east, otherwise moderate or rough. Snow showers. Good, occasionally poor.

North Iceland

In north

Northerly or northeasterly 4 or 5, increasing 6 at times. Rough or very rough, becoming moderate later in north. Snow showers. Good, occasionally poor. Occasional light to moderate icing with temperatures ms04 to ms06.

In southeast

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 until later, decreasing 5 or 6 later in northwest. Very high becoming high. Squally wintry showers. Moderate, occasionally poor. Light icing developing with temperatures ms02 to ms03.

In southwest

Northeasterly backing northwesterly 5 or 6, occasionally 7 at first in east, becoming variable 3 or 4 later in west. Very rough or high, occasionally very high at first in east. Wintry showers. Moderate or good, occasionally poor. Occasional light icing with temperatures ms02 to ms04.

Norwegian Basin

In west

Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 in far west, becoming variable 3 or 4 later in far southeast. High or very high. Occasional rain or wintry showers. Moderate, occasionally poor.

In east

Cyclonic 6 to gale 8, occasionally severe gale 9 in south, becoming easterly 5 or 6 later in north and variable 3 or 4 later in south. Rough or very rough, occasionally high at first in west, becoming moderate later in northeast. Occasional rain or wintry showers. Moderate or good, occasionally poor.

Outlook for following 24 hours

From Sat 31 Jan 2015

Storms expected in Faeroes and Norwegian Basin, with severe gales in Sole, Shannon, Rockall, Bailey, Southeast Iceland and north Iceland. Gales expected in all other areas except Denmark Strait.

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.