Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 050000UTC, low 39 north 32 west 1007 expected 46 north 34 west 994 by 060000UTC. Low 63 north 40 west 1006 expected northeast Greenland 990 by same time. High 59 north 02 west 1038 expected Norway 1034 by that time. at 050000UTC, high 46 north 51 west 1027 slow-moving with little change by 060000UTC. High south Greenland 1019 dissipating

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
East or northeast 4 or 5, becoming variable 4 or less.
Sea state
Moderate, occasionally rough at first, becoming slight later in east.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Shannon

Wind
East 4 or 5, decreasing 2 to 4.
Sea state
Moderate, becoming slight later in northeast.
Weather
Showers.
Visibility
Good.

Rockall

Wind
East 3 to 5.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

Bailey

Wind
Easterly or southeasterly 2 to 4, occasionally 5 in northwest.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Variable 4 or less, becoming south or southeast 2 to 4.
Sea state
Slight or moderate.
Weather
Fog patches.
Visibility
Good, occasionally very poor.

Southeast Iceland

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Southerly or southeasterly, veering southwesterly later in northwest, 4 to 6, occasionally 7 at first in far northeast and 3 later in south.
Sea state
Moderate or rough.
Weather
Showers, but occasional rain and fog patches in northwest.
Visibility
Good, but moderate to very poor in northwest.

West Northern Section

In northwest of area

Wind
Southerly or southwesterly 4 to 6, occasionally 7 in west, becoming variable 3 or less in far northwest.
Sea state
Rough, occasionally moderate.
Weather
Rain in east, wintry showers in northwest, becoming mainly fair later.
Visibility
Good, occasionally poor.

In southeast of area

Wind
Cyclonic 3 to 5, occasionally 6 in northeast, becoming variable 2 to 4 later.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

Wind
Easterly or southeasterly 4 to 6, decreasing 3 or 4 in northeast, but becoming cyclonic 6 to gale 8 in southwest.
Sea state
Moderate or rough, occasionally very rough later in southwest.
Weather
Rain in southwest, elsewhere showers.
Visibility
Good, but moderate or poor in southwest.

West Central Section

Wind
Cyclonic 6 to gale 8, increasing severe gale 9 in southwest, decreasing 4 to 6 later in northeast.
Sea state
Moderate or rough, becoming rough or very rough in south, occasionally high later in southwest.
Weather
Occasional rain or showers, thundery in south, fog patches in north.
Visibility
Moderate or good, occasionally poor, but occasionally very poor in north.

Denmark Strait

Wind
Cyclonic 4 to 6, occasionally 7 in southeast, becoming southwesterly 6 to gale 8, occasionally severe gale 9 in far northeast.
Sea state
Moderate or rough, occasionally slight at first north of Iceland and very rough later in northeast.
Weather
Rain with fog patches, becoming mainly fair.
Visibility
Moderate or good, occasionally very poor at first.

North Iceland

In northwest of area

Wind
Southerly or southwesterly 4 to 6, becoming cyclonic 7 to severe gale 9.
Sea state
Moderate or rough, occasionally slight at first, becoming rough or very rough.
Weather
Occasional rain, fog banks for a time, winrty showers later.
Visibility
Moderate or good, occasionally very poor. Light to moderate icing developing later in northwest with temperatures ms02 to ms05.

In southeast of area

Wind
Southerly or southwesterly 4 to 6, increasing 7 or gale 8 later in north.
Sea state
Moderate or rough, occasionally slight at first north of Iceland and very rough later in northwest.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Northwesterly 4 or 5 at first in northeast, otherwise variable 4 or less, becoming southwesterly 4 or 5 later in northwest.
Sea state
Moderate or rough, occasionally very rough at first in far northeast, becoming slight or moderate later.
Weather
Showers, fog patches in northwest.
Visibility
Good, occasionally very poor in northwest.

Outlook for the following 24 hours

Severe gales are expected in West Central Section and north Iceland, with gales expected in East Central Section and Denmark Strait.

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