Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 141200UTC, low 58 north 38 west 1000 expected 66 north 27 west 1005 by 151200UTC. Low 44 north 14 west 1011 expected 47 north 16 west 1015 by same time. High 61 north 04 west 1031, expected 61 north 02 west 1030 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
East 3 to 5.
Sea state
Slight or moderate.
Weather
Thundery showers.
Visibility
Good occasionally poor.

Shannon

Wind
East 3 to 5.
Sea state
Slight or moderate.
Weather
Thundery showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
Easterly or northeasterly 2 to 4.
Sea state
Slight.
Weather
Fog patches in north.
Visibility
Good, but moderate or good occasionally very poor in north.

Bailey

Wind
In southeast, variable 2 to 4. in northwest, southerly veering southwesterly 3 to 5.
Sea state
In southeast, moderate at first in north, otherwise slight. in northwest, moderate.
Weather
In southeast, fog patches. in northwest, fog patches.
Visibility
In southeast, moderate or good occasionally very poor. in northwest, moderate or good, occasionally very poor.

Faeroes

Wind
Variable 2 to 4, but southwesterly 3 to 5 in north.
Sea state
Slight or moderate.
Weather
Fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Southwesterly 4 to 6.
Sea state
Moderate.
Weather
Drizzle, fog banks developing.
Visibility
Moderate or good, becoming moderate to very poor for a time.

East Northern Section

In northwestern half of area

Wind
Cyclonic, mainly southerly or southwesterly, 4 to 6, increasing 6 to gale 8 for a time in northwest.
Sea state
Moderate or rough, but rough or very rough in northwest.
Weather
Occasional rain and drizzle.
Visibility
Good occasionally poor, but moderate later.

In southeastern half of area

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Drizzle and fog banks, becoming fog patches later, but mainly fair in southeast.
Visibility
Moderate to very poor, but good in southeast.

West Northern Section

Wind
Cyclonic 6 to gale 8, becoming southerly or southwesterly 4 to 6 later, but variable 2 to 4 later in southeast.
Sea state
Moderate or rough, but rough or very rough in northeast.
Weather
Occasional rain.
Visibility
Good occasionally moderate, but poor at first in north.

East Central Section

In northwestern half of area

Wind
Variable becoming northeasterly, 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional drizzle and fog banks, becoming fog patches later.
Visibility
Moderate to very poor, occasionally good later.

In southeastern half of area

Wind
Cyclonic 3 to 5.
Sea state
Slight or moderate.
Weather
Thundery showers.
Visibility
Good occasionally poor.

West Central Section

Wind
Variable 2 to 4, but cyclonic 4 to 6 in southwest.
Sea state
Moderate.
Weather
Fog patches at first in northeast, otherwise occasional rain and drizzle, but thundery rain in far southwest.
Visibility
Moderate or good, occasionally poor, but very poor at first in northeast.

Denmark Strait

Wind
Cyclonic, becoming southwesterly, 4 to 6, increasing 7 for a time near west iceland.
Sea state
Moderate becoming rough, but slight or moderate in far east.
Weather
Rain, drizzle and fog patches, becoming fog banks in north.
Visibility
Moderate to very poor, occasionally good in southeast.

North Iceland

In south

Wind
Southwesterly 4 to 6, but variable 2 or 3 at first near northeast iceland.
Sea state
Slight or moderate in west, moderate or rough in east.
Weather
Mainly fair in west, drizzle and fog banks developing in east.
Visibility
Good in west, moderate to very poor in east.

In north

Wind
Southwesterly 3 to 5, becoming variable 2 to 4 in north.
Sea state
Slight or moderate.
Weather
Occasional rain, drizzle and fog banks.
Visibility
Moderate to very poor.

Norwegian Basin

Wind
Westerly or southwesterly, but northerly in southeast, 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches in north and east.
Visibility
Moderate or good, occasionally poor and very poor in north and east.

Outlook for the following 24 hours

No gales expected.

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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