High seas forecast and storm warnings (2024)

Coast and sea

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The general synopsis for UK

At 121200UTC, low 60 north 29 west 994 expected 62 north 29 west 990 by 131200UTC. New low expected 53 north 09 west 994 by same time. High 65 north 06 west 1016 dissipating

Issued at:.

For the periodto.

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iHigh seas forecast and storm warnings explained

Sole

Wind
Southwesterly 4 or 5, becoming cyclonic 6 to gale 8, then westerly 4 to 6 later.
Sea state
Slight or moderate becoming moderate or rough.
Weather
Rain, showers later.
Visibility
Good, occasionally poor.

Shannon

Wind
South 5 or 6, becoming cyclonic 6 to gale 8, then west 5 to 7 later.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Southeast 5 to 7, becoming cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Moderate or poor.

Bailey

Wind
Southeast 5 to 7.
Sea state
Rough, occasionally moderate at first.
Weather
Rain.
Visibility
Good, occasionally poor.

Faeroes

Wind
Cyclonic 3 to 5, becoming east 4 to 6 later.
Sea state
Slight or moderate, becoming rough at times in west.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Easterly or southeasterly 4 to 6, occasionally 7 in southwest.
Sea state
Moderate occasionally rough.
Weather
Showers.
Visibility
Moderate or good.

East Northern Section

In northeast

Wind
Easterly or southeasterly 5 to 7, occasionally gale 8 in northeast, becoming cyclonic 4 to 6 in southwest.
Sea state
Rough occasionally moderate.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

In southwest

Wind
Cyclonic 4 to 6, increasing 7 at times in southwest, becoming westerly or northwesterly 4 to 6 later.
Sea state
Moderate or rough becoming rough or very rough.
Weather
Rain or drizzle with fog patches, then showers in south and west.
Visibility
Moderate to very poor, becoming moderate or good in south and west.

West Northern Section

In north

Wind
Cyclonic 4 to 6, occasionally 7 in west and northeast.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor.

In south

Wind
Westerly or northwesterly 6 to gale 8, occasionally severe gale 9 at first in west, decreasing 5 at times later in north.
Sea state
Rough or very rough.
Weather
Rain or drizzle with fog patches at first in far northeast, otherwise showers.
Visibility
Moderate to very poor at first in far northeast, otherwise good, occasionally moderate.

East Central Section

Wind
Cyclonic 4 to 6, becoming westerly or northwesterly 5 to 7, occasionally gale 8 later in northwest.
Sea state
Moderate or rough becoming rough or very rough.
Weather
Rain with fog patches at first in south and east, otherwise showers.
Visibility
Moderate to very poor at first in south and east, otherwise good, occasionally moderate.

West Central Section

In north

Wind
Westerly or northwesterly 6 to gale 8, decreasing 5 at times later in west.
Sea state
Rough or very rough.
Weather
Showers.
Visibility
Mainly good.

In south

Wind
Westerly or northwesterly, backing southwesterly later in west, 4 to 6, occasionally 7 later in far northeast.
Sea state
Moderate or rough, occasionally very rough later in far northeast.
Weather
Rain at first in far south, otherwise showers.
Visibility
Moderate or good, occasionally poor at first in far south.

Denmark Strait

Wind
Southeasterly 3 to 5 at first in northeast, otherwise easterly or northeasterly 4 to 6, occasionally 7 in southwest.
Sea state
Slight or moderate, occasionally rough in south.
Weather
Occasional drizzle, fog banks.
Visibility
Moderate to very poor.

North Iceland

Wind
Southerly or southeasterly 4 to 6, veering southwesterly 3 to 5 in north.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog banks mainly in north and west.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Cyclonic 3 to 5, occasionally 6 later in far north.
Sea state
Moderate occasionally slight.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for following 24 hours

Gales expected in Sole, Bailey, Faeroes, East Central Section and West Central Section.

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.

High seas forecast and storm warnings map

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.

High seas forecast and storm warnings (2024)
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