Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 241200UTC, low 68 north 07 west 988 moving steadily southeast and losing its identity by 251200UTC. Developing low moving steadily eastwards, expected Norwegian Basin 981 by same time. High 42 north 33 west 1033 slow moving with little change.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northerly backing northwesterly 4 to 6.
Sea state
Slight or moderate, occasionally rough later.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Northwest 3 or 4 backing west 5 or 6.
Sea state
Slight or moderate becoming rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Rockall

Wind
Southwest veering northwest 5 to 7, occasionally 4 later.
Sea state
Moderate or rough, becoming very rough for a time in north.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Bailey

Wind
Southwest veering northwest 5 to 7, backing west 4 or 5 later.
Sea state
Rough, becoming very rough for a time.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Faeroes

Wind
Southwest becoming cyclonic 5 to 7, then becoming northwest 6 to gale 8.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Rain then showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Variable 2 to 4 becoming northwesterly 4 to 6, occasionally 7 in east.
Sea state
Moderate or rough, occasionally very rough later in far east.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

East Northern Section

In north

Wind
Northwesterly 4 to 6 becoming variable 2 to 4, but northerly 4 or 5 later in far north.
Sea state
Moderate or rough.
Weather
Occasional rain, becoming fair later.
Visibility
Good, occasionally poor.

In south

Wind
Westerly 5 to 7, decreasing 4 for a time.
Sea state
Rough, occasionally very rough at first.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic 3 to 5.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Westerly or southwesterly 5 to 7.
Sea state
Rough.
Weather
Occasional drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

In north

Wind
Westerly or southwesterly 5 to 7.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle, fog patches in west.
Visibility
Moderate or poor, occasionally very poor in west.

In south

Wind
Variable 2 to 4 becoming westerly or northwesterly 4 or 5, occasionally 6 in north.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle.
Visibility
Good, occasionally poor.

West Central Section

In north

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Fog banks and occasional drizzle.
Visibility
Moderate, occasionally very poor.

In south

Wind
Variable 2 to 4, but southwesterly 4 or 5 at times in north.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches in north.
Visibility
Moderate or good, occasionally very poor in north.

Denmark Strait

In far east

Wind
Northerly 4 to 6.
Sea state
Rough.
Weather
Mainly fair.
Visibility
Moderate or good.

In rest of area

Wind
Variable 2 to 4, becoming northeasterly 4 or 5 in far south.
Sea state
Moderate.
Weather
Showers.
Visibility
Good, occasionally poor.

North Iceland

Wind
Northerly or northwesterly 5 to 7, occasionally gale 8 in south and west.
Sea state
Moderate or rough, occasionally very rough later in far south.
Weather
Occasional rain, fog patches in north.
Visibility
Moderate or good, occasionally very poor in north.

Norwegian Basin

Wind
Westerly or southwesterly 4 to 6, becoming cyclonic 6 to gale 8 later.
Sea state
Moderate or rough.
Weather
Rain then showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Gales expected in north Iceland and Norwegian Basin.

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.

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