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Yellow Warning Weather warnings issued for the United Kingdom

High Seas forecast

High seas forecasts for the next 24 hours

Issued: 0800 on Sat 23 Aug 2014 UTC

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

General synopsis

At 230000UTC, low 50 north 34 west 993 expected 52 north 30 west 994 by 240000UTC. Low 60 north 09 east 1001 slow moving, filling 1002 by same time. New lows expected 67 north 37 west 997 and 49 north 43 west 1001 by that time. at 230000UTC, low 39 north 49 west 1006 expected 44 north 34 west 1006 by 240000UTC. High 45 north 16 west 1023 expected 45 north 03 west 1022 by same time. New high expected 72 north 04 east 1013 by that time. Low 76 north 20 west 1007 losing its identity. High 58 north 19 west 1021 dissipating

Sole

Variable, becoming west or southwest, 4, increasing 5 to 7. Slight or moderate, becoming rough later in west. Rain or showers. Good, becoming moderate or poor later.

Shannon

Variable 4, becoming southeasterly 5 to 7, then veering southwesterly 4 or 5 later in southwest. Slight or moderate, becoming rough later in west. Showers, then rain later. Good, becoming moderate or poor later.

Rockall

In southwest, variable 4, becoming southeasterly 5 to 7. in northeast, northwesterly, becoming variable mainly southeasterly, 3 or 4, increasing 5 at times. In southwest, slight or moderate, becoming rough later in west. in northeast, slight or moderate. In southwest, showers, then rain later. in northeast, showers. In southwest, good, becoming moderate or poor later. in northeast, good.

Bailey

In south, northwesterly, becoming variable mainly southeasterly, 3 or 4, increasing 5 at times. in north, westerly or northwesterly, 4 or 5. In south, slight or moderate. in north, slight or moderate. In south, showers. in north, showers. In south, good. in north, good.

Faeroes

Westerly or northwesterly, 4 or 5. Slight or moderate. Showers. Good.

Southeast Iceland

Westerly or northwesterly, 4 or 5. Slight or moderate. Showers. Good.

East Northern Section

In north

Westerly or southwesterly 4 or 5, increasing 6 or 7 later in northwest. Slight or moderate, occasionally rough later in northwest. Showers, then rain later in northwest. Good, occasionally moderate later in northwest.

In south

Variable 3 or 4 at first in northeast, otherwise southerly or southeasterly 4 or 5, increasing 6 or 7 in south. Moderate or rough. Showers, rain later in far south. Good, becoming moderate or poor later in far south.

West Northern Section

In north

Southwesterly 4 or 5, increasing 6 or 7, veering northwesterly 4 or 5 later in far northwest. Slight, becoming moderate, occasionally rough later. Occasional rain. Good, occasionally moderate.

In far south

Easterly or northeasterly 5 to 7, backing northerly 3 or 4 later in west. Moderate, occasionally rough. Rain or showers. Moderate or good.

In rest of area

Variable 3 or 4, becoming southwesterly 5 or 6 later in west. Slight or moderate. Occasional rain. Good, occasionally moderate.

East Central Section

In east

Southerly or southeasterly 4 or 5, increasing 6 or 7, veering westerly or southwesterly 4 or 5 later except in far northeast. Moderate or rough. Fair then rain. Good, becoming moderate or poor.

In west

Southerly or southeasterly 6 to gale 8, occasionally severe gale 9, veering southwesterly 4 or 5, increasing 6 at times, then becoming cyclonic later in far northwest. Rough, occasionally very rough. Rain or showers. Moderate or good, occasionally poor.

West Central Section

In north

Cyclonic 6 to gale 8, occasionally severe gale 9 at first in east, becoming northerly 4 or 5 later in far west. Moderate or rough, occasionally very rough. Rain or showers, fog patches at first. Moderate or poor, occasionally very poor at first, then occasionally good later.

In south

Westerly or southwesterly 5 to 7, decreasing 4 for a time. Moderate or rough, occasionally very rough at first. Rain or showers. Moderate or good, occasionally poor.

Denmark Strait

In area south of 70 north

Southwesterly, becoming cyclonic later, 5 or 6, increasing 7 at times. Slight or moderate, occasionally rough later. Occasional rain, fog patches later. Good, becoming moderate or poor, occasionally very poor later.

In area north of 70 north

Southerly 4 or 5, occasionally 6 at first in south, otherwise variable 3 or 4, becoming northeasterly 5 to 7 later in north. Slight or moderate, occasionally rough later in north. Fair then rain, or snow in far north. Good, becoming moderate or poor, occasionally very poor in far north.

North Iceland

In north

Southerly or southeasterly 4 or 5, backing northeasterly 5 or 6 later in far northeast. Slight, becoming moderate later in west. Fair, then occasional rain or snow in west. Good, becoming moderate or poor, occasionally very poor in west.

In south

Westerly or northwesterly, becoming variable in east, 3 or 4, occasionally 5, backing southerly 5 or 6 later in west. Slight or moderate. Showers, then rain later in far west. Good, becoming moderate or poor later in west.

Norwegian Basin

Northerly or northeasterly 5 or 6, increasing 7 at times, backing northwesterly 4 or 5 later in west. Moderate. Showers. Good, occasionally moderate.

Outlook for following 24 hours

From Sun 24 Aug 2014

Severe gales expected in Sole and the east of East Central Section, with gales in Fitzroy and perhaps Rockall.

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.