Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 050000UTC, low 68 north 01 east 1000 expected 65 north 00 east 997 by 060000UTC. New low expected 58 north 41 west 997 by same time. New high expected 68 north 18 west 1013 by that time. at 050000UTC, high 50 north 12 west 1031 expected 49 north 03 west 1025 by 060000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

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

Shannon

Wind
Southwesterly 3 or 4, occasionally 5 in north.
Sea state
Moderate.
Weather
Occasional drizzle, fog patches later.
Visibility
Good occasionally poor, but very poor at times later.

Rockall

Wind
Southwest 5 or 6.
Sea state
Moderate or rough.
Weather
Rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
Southwest 3 or 4 becoming cyclonic 4 to 6.
Sea state
Moderate, occasionally rough later.
Weather
Rain, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

Faeroes

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

Southeast Iceland

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

East Northern Section

In north

Wind
Easterly or southeasterly becoming cyclonic, 4 to 6, occasionally 7 in north.
Sea state
Moderate, becoming mainly rough later.
Weather
Rain spreading north, fog patches in south.
Visibility
Good becoming moderate or poor, occasionally very poor in south.

In south

Wind
Cyclonic becoming southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor.

West Northern Section

In north

Wind
Easterly or northeasterly 4 to 6, occasionally 7 in southwest.
Sea state
Slight or moderate becoming moderate or rough.
Weather
Rain at times, fog patches later in south.
Visibility
Moderate or good, occasionally poor, but very poor at times later in south.

In south

Wind
Cyclonic 3 to 5, occasionally 6 in far southeast and far northwest.
Sea state
Moderate or rough.
Weather
Rain or drizzle, fog banks.
Visibility
Moderate to very poor, occasionally good.

East Central Section

In southeast

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

In northwest

Wind
Southwesterly 4 to 6.
Sea state
Moderate, occasionally rough in northwest.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

West Central Section

Wind
Southwesterly 5 or 6, occasionally 4 in far northwest and far southeast.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times with fog patches, but fog banks in northwest.
Visibility
Moderate to very poor in northwest, but moderate or good, occasionally very poor in southeast.

Denmark Strait

Wind
Variable 2 to 4, becoming easterly or northeasterly 3 to 5 in south and southerly 4 or 5 in far northeast.
Sea state
Slight or moderate.
Weather
Mainly fair, fog patches in north and west.
Visibility
Moderate or good, occasionally very poor in north and west.

North Iceland

In north

Wind
Variable 2 to 4 becoming southerly 4 to 6 in east.
Sea state
Slight or moderate.
Weather
Fog patches in east and fog banks in west.
Visibility
Moderate to very poor, occasionally good in east.

In south

Wind
Northerly or northwesterly 4 to 6, occasionally 7 in far east, becoming cyclonic 3 to 5 later.
Sea state
Slight or moderate, occasionally rough in southeast.
Weather
Occasional rain in east, fog patches in north.
Visibility
Moderate or good, occasionally poor, but very poor at times in north.

Norwegian Basin

Wind
Westerly or southwesterly 4 to 6, increasing 7 at times mainly in north.
Sea state
Moderate or rough, occasionally very rough later in far northwest.
Weather
Occasional rain or showers, squally at times.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours

Risk of gales in East Northern Section 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.

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