Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 161200UTC, low 54 north 25 west 991 expected 59 north 20 west 991 by 171200UTC. Low 41 north 38 west 1010 expected 46 north 22 west 1009 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwesterly 3 to 5.
Sea state
Moderate.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
South or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good occasionally poor.

Rockall

Wind
South or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good occasionally poor.

Bailey

Wind
In south, southerly or southeasterly 3 to 5, veering southwesterly 4 to 6 later. in north, easterly 6 to gale 8, veering southeasterly 4 or 5.
Sea state
In south, moderate or rough. in north, moderate or rough.
Weather
In south, rain or showers. in north, rain, showers later.
Visibility
In south, good occasionally poor. in north, moderate occasionally poor, becoming good.

Faeroes

Wind
Southeast 4 to 6, occasionally 7 at first, veering south or southwest 3 to 5.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Northeasterly becoming cyclonic 6 to gale 8, occasionally severe gale 9 in northwest.
Sea state
Moderate or rough, but very rough in northwest.
Weather
Rain.
Visibility
Moderate occasionally poor.

East Northern Section

Wind
Cyclonic 7 to severe gale 9, but 5 to 7 in south.
Sea state
Moderate or rough, but rough or very rough until later in north.
Weather
Rain or showers, perhaps thundery for a time in southeast.
Visibility
Good occasionally poor.

West Northern Section

Wind
Cyclonic, mainly northerly or northeasterly, 5 to 7, occasionally gale 8 at first in east.
Sea state
Moderate or rough, but rough or very rough at first in east.
Weather
Occasional rain, mainly fair later.
Visibility
Good occasionally moderate.

East Central Section

Wind
Westerly or southwesterly, becoming cyclonic later in south, 4 to 6, occasionally 7 at first in far north.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, but rain, drizzle and fog patches in southeast.
Visibility
Good occasionally moderate, but moderate occasionally very poor in southeast.

West Central Section

Wind
Westerly or northwesterly 3 to 5.
Sea state
Moderate or rough, but moderate in southwest.
Weather
Occasional rain or showers.
Visibility
Good occasionally moderate.

Denmark Strait

Wind
Northeasterly 5 to 7, occasionally gale 8 later in southeast.
Sea state
Slight or moderate, becoming moderate or rough in south.
Weather
Fog patches in north and west, showers in southeast.
Visibility
Moderate or good occasionally very poor in north and west, good in southeast.

North Iceland

In north of area

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fog patches and drizzle or snow in northwest, showers elsewhere.
Visibility
Moderate or good occasionally very poor in northwest, good elsewhere.

In south of area

Wind
Easterly or northeasterly 4 to 6, occasionally 7 in far south.
Sea state
Slight or moderate, becoming moderate or rough later in south.
Weather
Rain and drizzle in south.
Visibility
Good, but moderate occasionally poor in south.

Norwegian Basin

In west of area

Wind
Easterly or southeasterly 4 to 6.
Sea state
Moderate.
Weather
Rain.
Visibility
Moderate occasionally poor, but good at first in northeast.

In east of area

Wind
Easterly or northeasterly 3 to 5, becoming variable 2 to 4 for a time in south.
Sea state
Slight or moderate.
Weather
Rain later in west.
Visibility
Good becoming moderate later in west.

Outlook for the following 24 hours

Gales are expected in Southeast Iceland, East Northern 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.

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