Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 151200UTC, low 55 north 32 west 993 expected 55 north 27 west 990 by 161200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Westerly or southwesterly.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Cyclonic becoming southerly 3 to 5.
Sea state
Moderate occasionally rough later.
Weather
Rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Cyclonic becoming southerly 3 to 5, occasionally 6 at first in north.
Sea state
Moderate occasionally rough later.
Weather
Rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
Easterly becoming cyclonic 4 to 6, increasing 6 or 7 later in north.
Sea state
Moderate or rough.
Weather
Rain, fog patches.
Visibility
Moderate or good occasionally very poor.

Faeroes

Wind
Easterly 3 to 5, increasing 5 to 7.
Sea state
Slight or moderate becoming moderate or rough later.
Weather
Showers, rain later.
Visibility
Good, becoming moderate or good occasionally poor later.

Southeast Iceland

Wind
Easterly 3 to 5, increasing 5 to 7, perhaps gale 8 later.
Sea state
Slight or moderate becoming moderate or rough later.
Weather
Showers, rain later.
Visibility
Good, becoming moderate or good occasionally poor later.

East Northern Section

In north of area

Wind
Easterly or northeasterly 6 to gale 8, but northerly or northeasterly 3 to 5 in far north.
Sea state
Moderate or rough, becoming rough or very rough except in far north.
Weather
Occasional rain and drizzle.
Visibility
Moderate or good occasionally poor.

In south of area

Wind
Cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, perhaps thundery later in east.
Visibility
Good occasionally poor.

West Northern Section

Wind
Cyclonic, mainly northerly or northeasterly 5 to 7, occasionally gale 8 in northeast.
Sea state
Moderate or rough, becoming rough or very rough in northeast.
Weather
Occasional rain or drizzle, fog patches at first in far northwest.
Visibility
Moderate or good occasionally poor and very poor at first in far northwest.

East Central Section

Wind
Southwesterly, but cyclonic in far northwest, 4 to 6, occasionally 7 in northwest.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good occasionally poor.

West Central Section

Wind
Cyclonic, mainly westerly or northwesterly, 4 to 6, occasionally 7 at first in northeast.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, fog patches at first in north.
Visibility
Moderate or good occasionally very poor at first in north.

Denmark Strait

Wind
Variable 2 to 4, becoming northwesterly 4 to 6.
Sea state
Slight or moderate.
Weather
Occasional drizzle and fog banks, becoming fog patches.
Visibility
Moderate or good occasionally very poor.

North Iceland

Wind
Variable 2 to 4, becoming northerly or northeasterly 4 to 6 later except in northeast.
Sea state
Slight in north, slight or moderate in south.
Weather
Showers, fog patches in northwest.
Visibility
Good occasionally moderate, but moderate or good occasionally very poor in northwest.

Norwegian Basin

Wind
Northerly or northwesterly 3 to 5, occasionally 6 at first in southeast, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally slight.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours

Severe gales are expected in Southeast Iceland and East Northern Section. Gales are expected in Bailey and West Northern Section.

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

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.

Take our short survey