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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Tue 02 Sep 2014 UTC

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

General synopsis

At 020000UTC, low 69 north 16 west 984 expected 71 north 12 west 991 by 030000UTC. Low 64 north 36 west 989, slow moving, filling 999 by same time. Low 41 north 26 west 1013, slow moving, deepening 1010 by that time. at 020000UTC, high 51 north 54 west 1018 expected 48 north 48 west 1022 by 030000UTC. High 53 north 09 west 1025 dissipating

Sole

East or northeast 4 or 5. Rough. Occasional drizzle. Good, occasionally poor.

Shannon

South or southeast 3 or 4. Moderate or rough. Fair. Good.

Rockall

In north, southwesterly 5 or 6. in south, southwesterly 4 or 5. In north, rough. in south, moderate or rough. Mainly fair. In north, moderate or good. in south, good.

Bailey

Southwest 5 to 7, occasionally gale 8. Rough. Occasional drizzle. Moderate or good, occasionally poor.

Faeroes

Southwesterly 5 to 7, occasionally gale 8. Rough. Occasional rain or showers. Moderate or good, occasionally poor.

Southeast Iceland

Southwesterly 5 to 7, occasionally gale 8. Rough. Occasional rain or showers. Moderate or good, occasionally poor.

East Northern Section

In northwest

Southwesterly 4 or 5, increasing 6 or 7 at times in southeast, becoming variable 3 or 4 later in far northwest. Rough becoming moderate or rough. Occasional rain or showers. Good, occasionally moderate.

In rest of area

Southwesterly 5 to 7, occasionally gale 8. Rough or very rough. Occasional rain, then showers in north and west. Moderate or good, occasionally poor at first.

West Northern Section

In far northwest

Northeasterly 5 to 7, occasionally gale 8 at first, backing northerly 4 or 5. Rough or very rough, becoming moderate. Occasional rain, then mainly fair. Good, occasionally moderate at first.

In south

Westerly 5 to 7. Rough or very rough. Showers. Good, occasionally moderate.

In rest of area

Southerly or southwesterly 4 or 5, becoming variable 3 or 4. Rough or very rough, becoming moderate. Showers. Mainly good.

East Central Section

In north

Southwesterly 5 or 6, occasionally 7 at first in northwest, veering westerly in west, then becoming mainly cyclonic later, 4 or 5. Moderate or rough. Occasional rain. Moderate or good, occasionally poor later.

In south

Mainly easterly or southeasterly, becoming cyclonic in west, 4 or 5. Moderate or rough, becoming moderate. Occasional rain or thundery showers. Moderate or good, occasionally poor.

West Central Section

In south

Variable 3 or 4 at first in southeast, otherwise cyclonic, mainly southwesterly, at first, becoming northerly or northeasterly in north and west, 4 or 5, increasing 6 at times. Moderate, occasionally rough in north. Occasional rain. Moderate or good, occasionally poor in west.

In north

Southwesterly 5 to 7 at first in southeast, otherwise westerly veering northwesterly 4 or 5, increasing 6 at times in north. Moderate or rough. Occasional rain or showers, becoming fair. Good, occasionally moderate at first.

Denmark Strait

In area east of 23 west

Northerly 5 to 7, occasionally gale 8 at first, becoming variable 4 later in south. Rough or very rough, becoming moderate or rough later. Rain. Moderate or poor.

In south

Cyclonic, mainly easterly or northeasterly 5 or 6, decreasing variable 3 or 4 at times in far south. Rough or very rough, becoming moderate later. Occasional rain. Moderate or good, occasionally poor.

In rest of area

Variable, mainly westerly at first, 3 or 4, occasionally 5 at first. Moderate, occasionally rough at first. Occasional rain. Moderate or good, occasionally poor.

North Iceland

In northwest

Northerly or northeasterly 5 to 7, occasionally gale 8 in west. Rough. Rain, fog patches in east. Moderate or poor, occasionally very poor in east.

In northeast

Northeasterly, becoming cyclonic 4 or 5, occasionally 6 in west and south. Moderate or rough. Occasional rain, fog banks. Poor or very poor.

In southeast

Southwesterly 5 to 7. Rough or very rough, becoming moderate or rough. Occasional rain. Moderate or good, occasionally poor.

In southwest

Cyclonic, becoming westerly or northwesterly 5 to 7, occasionally gale 8 at first in northwest. Rough or very rough, becoming moderate or rough. Occasional rain, fog patches in north. Moderate or poor, occasionally very poor in north.

Norwegian Basin

Southwesterly 5 to 7, occasionally gale 8 in east. Rough or very rough, becoming moderate or rough later in south. Occasional rain. Moderate or good, occasionally poor.

Outlook for following 24 hours

From Wed 03 Sep 2014

Gales expected in the northwest of north Iceland and the far east of 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.