Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 061200UTC, low 58 north 31 west 983 expected 59 north 28 west 989 by 071200UTC. Low 53 north 18 west 996 expected 61 north 11 west 992 by same time. New high expected 46 north 42 west 1025 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
West or southwest 4 to 6.
Sea state
Rough or very rough, becoming moderate or rough later.
Weather
Rain.
Visibility
Moderate or poor.

Shannon

Wind
Southwest 4 to 6, occasionally 7 until later.
Sea state
Rough, occasionally very rough at first.
Weather
Rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Cyclonic 5 to 7, becoming southwest 4 to 6 later.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Bailey

Wind
South 3 to 5, becoming cyclonic 5 to 7 later, perhaps gale 8 later.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Faeroes

Wind
Southeasterly 3 to 5, becoming cyclonic 5 to 7 later, perhaps gale 8 later.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Southeasterly 3 to 5, becoming cyclonic 5 to 7 later, perhaps gale 8 later.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

East Northern Section

Wind
Cyclonic 4 to 6, occasionally 7 in south.
Sea state
Moderate or rough, occasionally very rough in far south.
Weather
Rain or showers.
Visibility
Moderate or good.

West Northern Section

Wind
Cyclonic becoming northerly or northwesterly later, 4 to 6, occasionally 7 in south.
Sea state
Moderate or rough, occasionally very rough in far south.
Weather
Rain or showers.
Visibility
Moderate or good.

East Central Section

Wind
Westerly or northwesterly 5 to 7, perhaps gale 8 later in north.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good.

West Central Section

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 in far north.
Sea state
Rough or very rough, occasionally moderate later in far south.
Weather
Rain or showers.
Visibility
Moderate or good.

Denmark Strait

Wind
Northeasterly 3 to 5, occasionally 6 within 50 miles of greenland coast.
Sea state
Slight or moderate.
Weather
Occasional sleet or freezing rain, fog patches developing.
Visibility
Moderate or poor, occasionally very poor later.

North Iceland

In north

Wind
Southerly or southeasterly 3 to 5.
Sea state
Moderate.
Weather
Occasional sleet or freezing rain, extensive fog developing.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Easterly or southeasterly 4 or 5, occasionally 6 later.
Sea state
Moderate, occasionally rough later in south.
Weather
Occasional rain, fog patches developing.
Visibility
Moderate or good, occasionally very poor later.

Norwegian Basin

Wind
Easterly or southeasterly 3 to 5, increasing 6 for a time in west.
Sea state
Moderate, occasionally slight in far east.
Weather
Occasional rain later.
Visibility
Good, occasionally moderate later.

Outlook for the following 24 hours

Gales expected in West Central Section, West Central Section and Denmark Strait. Extensive fog expected in north Iceland.

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.