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High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Wed 22 Oct 2014 UTC

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

General synopsis

At 220000UTC, low 70 north 11 west 983 expected 73 north 14 west 978 by 230000UTC. Low 62 north 35 west 985 expected 64 north 21 west 980 by same time. New lows expected 60 north 35 west 989 and 66 north 09 west 975 by that time. at 220000UTC, high 45 north 09 west 1033 expected 46 north 00 east 1029 by 230000UTC. High 44 north 53 west 1027 expected 49 north 50 west 1033 by same time

Sole

West backing southwest 4 or 5, occasionally 6. Moderate or rough, occasionally very rough at first. Drizzle later. Moderate or good.

Shannon

Southwesterly 5 or 6, occasionally 7 in north. Rough, occasionally very rough in north. Occasional rain later. Moderate or good.

Rockall

Southwest 6 to gale 8. Rough or very rough. Rain or showers. Moderate or good, occasionally poor.

Bailey

Southwest 6 to gale 8. Rough or very rough, occasionally high. Rain or showers. Moderate or good, occasionally poor.

Faeroes

Southerly veering southwesterly 5 to 7, occasionally gale 8. Rough or very rough, occasionally high later. Rain then showers. Good, occasionally poor.

Southeast Iceland

In south, southerly veering southwesterly 5 to 7, occasionally gale 8. in north, easterly or southeasterly becoming cyclonic 5 to 7, occasionally gale 8. In south, rough or very rough, occasionally high later. in north, rough. In south, rain then showers. in north, rain or showers. In south, good, occasionally poor. in north, moderate or good, occasionally poor.

East Northern Section

In area north of 61 north

Cyclonic 5 to 7, occasionally gale 8. Rough, becoming very rough or high in south. Rain or showers. Moderate or good, occasionally poor.

In area south of 61 north

Westerly or southwesterly 6 to gale 8. Very rough or high. Rain then squally showers. Moderate or poor, occasionally good.

West Northern Section

In northeast

Cyclonic becoming northerly 5 to 7, occasionally gale 8, backing westerly or northwesterly 4 or 5 later. Rough, becoming very rough in south. Rain then showers. Moderate or poor, becoming good.

In northwest

Northerly backing westerly, then becoming cyclonic later, 4 or 5, increasing 6 at times, moderate or rough. Fair, but rain for a time in east. Moderate or good.

In south

Westerly or southwesterly 6 to gale 8, increasing severe gale 9 at times. Very rough or high. Squally showers. Moderate or poor.

East Central Section

In north

Southwesterly veering westerly 5 to 7, occasionally gale 8 in far north. Rough or very rough, becoming very rough or high. Rain then showers. Moderate or good, occasionally poor.

In south

Southwesterly, veering westerly in west, 4 or 5, occasionally 6 in north. Rough. Occasional rain or drizzle. Moderate or good, occasionally poor.

West Central Section

In south

Southwesterly in east at first, otherwise westerly veering northwesterly, 4 or 5, occasionally 6 in north. Moderate or rough. Occasional rain or showers, becoming mainly fair in west. Moderate or good, occasionally poor in east.

In north

Westerly 5 to 7, occasionally gale 8 in north. Very rough or high. Showers. Moderate or good.

Denmark Strait

In area north of 69 north

Northerly or northwesterly 5 or 6, becoming variable 3 or 4. Rough or very rough, becoming moderate. Snow, becoming fair later. Moderate to very poor, becoming good. Light icing at first with temperatures ms03 or ms04.

In area 67 north to 69 north

Variable 3 or 4. Rough or very rough becoming moderate. Fair. Good.

In area south of 67 north

Easterly or northeasterly 5 or 6, occasionally 7 just west of Iceland, becoming variable 3 or 4 in west. Moderate or rough. Fair, but rain or sleet at times in far south. Moderate or good.

North Iceland

Cyclonic 5 to 7, increasing gale 8 at times in northwest and in southeast. Rough or very rough. Rain, snow or wintry showers. Moderate or poor, occasionally very poor in north. Light or moderate icing in northwest until later with temperatures ms02 to ms05.

Norwegian Basin

In area west of 05 east

Westerly or southwesterly 4 or 5, backing southerly or southeasterly 7 to severe gale 9, veering southwesterly 6 to gale 8 later. Rough or very rough. Rain or showers. Moderate or good, occasionally poor.

In area 05 east to 08 east

Westerly 5 or 6, backing southerly 7 to severe gale 9. Moderate or rough, becoming rough or very rough. Rain or showers. Moderate or good, occasionally poor.

In area east of 08 east

Southerly or southeasterly 7 to severe gale 9, decreasing 5 or 6 for a time. Moderate or rough, becoming rough or very rough. Rain at times. Moderate or good, occasionally poor.

Outlook for following 24 hours

From Thu 23 Oct 2014

Severe gales expected in East Northern Section, West Northern Section and Norwegian Basin. Gales expected in Rockall, Bailey, Faeroes, Southeast Iceland, East Central Section, West Central Section 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.