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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 2000 on Mon 22 Sep 2014 UTC

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

General synopsis

At 221200UTC, low 66 north 32 west 991 expected 67 north 23 west 999 by 231200UTC. High 51 north 06 west 1027 expected 50 north 03 west 1023 by same time. High 42 north 43 west 1037 expected 42 north 36 west 1035 by that time. New lows expected 60 north 52 west 968 and 75 north 12 west 995 by 231200UTC

Sole

Variable 3 or 4, becoming northwesterly 4 or 5 in west. Moderate, becoming rough in west. Showers in west. Good.

Shannon

In southeast, variable 3 or 4, becoming westerly or southwesterly 4 or 5, occasionally 6 later. in northwest, westerly or southwesterly 4 or 5, occasionally 6. In southeast, slight or moderate, becoming rough later. in northwest, moderate or rough. In southeast, occasional rain later. in northwest, rain or showers. In southeast, moderate or good. in northwest, moderate or good.

Rockall

Westerly or southwesterly 4 or 5, occasionally 6. Moderate or rough. Rain or showers. Moderate or good.

Bailey

Southwest veering west 5 or 6, occasionally 7 at first. Rough. Rain or showers. Moderate or good.

Faeroes

Southwesterly 5 or 6, occasionally 4 later. Rough but moderate in southeast. Rain or showers. Moderate or good, occasionally poor.

Southeast Iceland

Southwesterly 5 or 6, occasionally 4 later. Rough. Rain or showers. Moderate or good, occasionally poor.

East Northern Section

Westerly or southwesterly, backing southerly later in far west, 5 or 6. Very rough becoming rough. Rain or showers, becoming mainly fair. Moderate or good.

West Northern Section

In northeast

Westerly 5 or 6 becoming variable 3 or 4, then becoming southeasterly 4 or 5, occasionally 6 later. Very rough, becoming moderate or rough. Showers, becoming fair. Good.

In northwest

Westerly 5 to 7 becoming variable 3 or 4, then becoming easterly or northeasterly 5 to 7 later. Moderate, but rough at first in east. Showers, rain later in south. Good, becoming moderate or poor later in south.

In south

Westerly or southwesterly, backing southerly or southeasterly, 5 to 7, decreasing 4 for a time. Rough or very rough. Showers then rain. Moderate or good, becoming moderate or poor.

East Central Section

In southeast

Northerly or northwesterly, backing southwesterly for a time, 4 or 5. Moderate or rough, but slight at first in far southeast. Occasional rain or showers. Moderate or good.

In northwest

Westerly or southwesterly 4 or 5, increasing 6 at times. Rough, occasionally very rough at first in north. Occasional rain or showers in north. Good, occasionally moderate in north.

West Central Section

In southeast

Westerly or southwesterly 4 or 5, occasionally 6 in north. Rough, becoming moderate in south. Occasional rain or drizzle in north. Moderate or good, occasionally poor in north.

In northwest

Westerly or southwesterly 4 or 5, increasing 6 at times, backing southerly or southwesterly 6 to gale 8. Rough, becoming very rough in north. Occasional rain or drizzle in north. Moderate or good, becoming moderate or poor in north.

Denmark Strait

In area north of 70 north

Northerly or northwesterly, backing westerly for a time, 5 or 6, decreasing 3 or 4. Moderate, occasionally rough at first in south. Rain or sleet, becoming fair later. Moderate or good, occasionally poor.

In area south of 70 north

Cyclonic 4 or 5, increasing 6 at times, becoming easterly or northeasterly 3 or 4, occasionally 5 in southwest. Rough or very rough, becoming moderate. Occasional rain, becoming mainly fair, fog patches for a time. Moderate or poor, occasionally very poor, becoming moderate or good.

North Iceland

In area west of 9 west

Cyclonic 4 or 5, occasionally 6 later in northwest. Moderate or rough, but mainly slight just north of iceland. Occasional rain, snow later in northwest, fog patches. Moderate or poor, occasionally very poor.

In area east of 9 west

Southerly or southeasterly 5 to 7, occasionally gale 8 in northeast at first, becoming cyclonic 4 or 5. Rough, becoming very rough for a time in northeast. Rain at times, fog patches developing. Moderate or good, occasionally poor, but becoming very poor at times later.

Norwegian Basin

In west

Southerly or southwesterly 4 or 5, occasionally 6, veering westerly or southwesterly 3 or 4. Moderate, occasionally rough. Rain at times. Moderate or good, occasionally poor.

In east

Variable 3 or 4, becoming southerly or southeasterly 4 or 5. Moderate. Fair then occasional rain, except in far northeast. Good, becoming moderate or poor for a time, except in far northeast.

Outlook for following 24 hours

From Tue 23 Sep 2014

Storms expected in the northwest of West Northern Section and Denmark Strait with gales in East Northern Section and West Central Section.

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.