Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 300000UTC, low 75 north 04 west 1017 expected 61 north 11 west 1001 by 310000UTC. New low expected 40 north 29 west 1001 by same time. High 61 north 08 west 1040 expected 55 north 09 west 1036 by that time. at 300000UTC, high 62 north 26 west 1041 expected 60 north 30 west 1038 by 310000UTC.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
East or northeast 4 to 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
East 4 to 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
East 3 to 5, becoming variable 2 to 4 later.
Sea state
Moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
Variable 2 to 4, becoming westerly 4 to 6 later, increasing 7 or gale 8 later in far north.
Sea state
Moderate or rough, occasionally very rough later in far north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
West 3 to 5, increasing 6 to gale 8 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Showers.
Visibility
Good occasionally moderate.

Southeast Iceland

Wind
West 4 to 6, increasing 6 to gale 8 later.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

East Northern Section

In north

Wind
Westerly or northwesterly 4 to 6, increasing 6 to gale 8 later, but variable 2 to 4 at first in south.
Sea state
Moderate, becoming rough or very rough later.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Variable 2 to 4, but easterly 3 to 5 at first in south.
Sea state
Moderate.
Weather
Mainly fair.
Visibility
Good, occasionally moderate.

West Northern Section

Wind
Variable 2 to 4, but westerly or northwesterly 4 to 6 in the north.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Good, occasionally moderate.

East Central Section

Wind
Easterly or northeasterly 3 to 5, occasionally 6 in south.
Sea state
Moderate, occasionally rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

West Central Section

In south

Wind
Easterly 5 to 7, occasionally gale 8 until later in southwest.
Sea state
Rough or very rough, occasionally high in west.
Weather
Occasional rain in southwest.
Visibility
Good, occasionally moderate in southwest.

In north

Wind
Easterly or northeasterly 4 to 6.
Sea state
Moderate or rough, occasionally very rough in far west.
Weather
Showers.
Visibility
Good, occasionally moderate.

Denmark Strait

Wind
Southwesterly 6 to gale 8, increasing severe gale force 9 for a time, veering northerly or northeasterly 4 to 6 later.
Sea state
Moderate or rough, increasing very rough for a time.
Weather
Mainly fair.
Visibility
Good. Occasional moderate or severe icing north of 68 north from 310200utc with temperatures ms05 to ms08.

North Iceland

Wind
Northerly or northwesterly 4 to 6, but variable 2 to 4 at first in central areas, becoming cyclonic 6 to gale 8 later, occasionally severe gale 9 later in west.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Rain and snow later and snow showers.
Visibility
Moderate or good, occasionally poor. Occasional moderate or severe icing north of 68 north from 310200utc with temperatures ms05 to ms08.

Norwegian Basin

Wind
Westerly or northwesterly 4 to 6, increasing 7 for a time in west.
Sea state
Rough or very rough.
Weather
Occasional rain and snow.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Storm force 10 expected in north Iceland. Severe gales expected in Faeroes, Southeast Iceland and Norwegian Basin. Gales expected in Bailey, East Northern Section and Denmark Strait.

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.