Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 280000UTC, low 55 north 22 west 998 expected 57 north 06 west 1001 by 290000UTC. Low 53 north 30 west 1003 slow-moving losing its identity by same time. Low 77 north 17 west 1004 moving slowly away northeast by that time. at 280000UTC, low 59 north 63 west 1001 expected 71 north 51 west 988 by 290000UTC. New lows expected 57 north 02 west 1001 and 61 north 08 east 1006 by same time. High 45 north 55 west 1028 expected 45 north 50 west with little change by that time. at 280000UTC, high 47 north 21 west 1027 slow-moving with little change by 290000UTC. New high expected 76 north 18 west 1017 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Southwest, veering west, 4 to 6.
Sea state
Moderate or rough.
Weather
Showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
West 4 to 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Moderate becoming good.

Rockall

Wind
Cyclonic, becoming northwest, 3 to 5, occasionally 6 at first.
Sea state
Moderate, occasionally rough.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
Cyclonic, becoming northwest, 3 to 5.
Sea state
Moderate.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
Cyclonic 2 to 4, occasionally 5 at first.
Sea state
Slight or moderate.
Weather
Occasional rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Cyclonic 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Cyclonic 3 to 5, becoming northwesterly 4 to 6, occasionally 7 in north.
Sea state
Slight or moderate, occasionally rough later in north.
Weather
Occasional rain or showers then fair in west.
Visibility
Moderate or good, occasionally poor at first.

West Northern Section

Wind
Westerly or northwesterly 3 to 5, occasionally 6 in far west, backing southwesterly 5 to 7 in northwest.
Sea state
Slight or moderate.
Weather
Occasionally rough in far northwest.
Visibility
Mainly fair. Good, occasionally poor in far northwest.

East Central Section

In north

Wind
Cyclonic, becoming north, 4 to 6.
Sea state
Moderate or rough.
Weather
Showers, occasional rain at first.
Visibility
Good, occasionally moderate at first.

In south

Wind
Westerly or southwesterly, becoming cyclonic, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

West Central Section

In south

Wind
cyclonic, becoming northeasterly, 4 to 6, occasionally 7 in west.
Sea state
Moderate or rough.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor at first.

In north

Wind
Northerly 4 to 6, veering northeasterly 3 to 5, becoming variable 2to 4 later in west.
Sea state
Moderate occasionally rough at first.
Weather
Showers at first in east.
Visibility
Good, occasionally moderate at first in east.

Denmark Strait

Wind
Cyclonic 2 to 4, occasionally 5 in far north.
Sea state
Slight or moderate.
Weather
Occasional rain or snow with fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

Wind
Cyclonic 2 to 4, becoming northerly or northeasterly 3 to 5 in northwest.
Sea state
Slight occasionally moderate.
Weather
Occasional rain or showers, snow towards the ice edge, fog banks.
Visibility
Moderate or poor, occasionally very poor.

Norwegian Basin

In west

Wind
Southerly or southeasterly, becoming variable 2 to 4.
Sea state
Slight occasionally moderate.
Weather
Mainly fair with fog patches.
Visibility
Moderate, occasionally very poor.

In east

Wind
Westerly or southwesterly 3 to 5, becoming variable 2 to 4, then becoming cyclonic 4 to 6 later.
Sea state
Slight occasionally moderate later.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Gales expected in West Northern Section.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

The high seas forecast information

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 containing forecast wind direction and force, weather and visibility for the next 24 hours with an outlook for the following 24 hours.

Marine forecasts disclaimer

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.