Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 261200UTC, low 66 north 05 east 980 slow-moving, filling 986 by 271200UTC. Low 63 north 34 west 1002 expected 60 north 23 west 1004 by same time. New low expected 44 north 46 west 1009 by that time. New high expected 47 north 10 west 1024 by 271200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northwesterly 4 or 5 becoming variable 2 to 4.
Sea state
Rough becoming moderate.
Weather
Showers at first.
Visibility
Good.

Shannon

Wind
Northwest 4 to 6 backing west or southwest 3 to 5.
Sea state
Rough, becoming moderate later.
Weather
Showers, then rain later.
Visibility
Moderate or good, occasionally poor later.

Rockall

Wind
Northwest 4 to 6 backing west or southwest 3 to 5.
Sea state
Rough, becoming moderate later.
Weather
Showers, then rain later.
Visibility
Moderate or good, occasionally poor later.

Bailey

Wind
In south, northwesterly backing westerly or southwesterly, 3 to 5. in north, variable 2 to 4.
Sea state
In south, rough, becoming moderate later. in north, rough becoming moderate.
Weather
In south, showers. in north, occasional rain later.
Visibility
In south, good, occasionally moderate. in north, good, occasionally moderate later.

Faeroes

Wind
Westerly or northwesterly 4 to 6, occasionally 7 in north.
Sea state
Moderate or rough, becoming very rough for a time in far east.
Weather
Showers.
Visibility
Good, occasionally moderate.

Southeast Iceland

Wind
Northwesterly 4 to 6 in east but variable 2 to 4 in west.
Sea state
Moderate or rough in east, slight or moderate in west.
Weather
Showers.
Visibility
Good.

East Northern Section

In northern half of the area

Wind
Variable 2 to 4, becoming northeasterly 4 to 6 in northwest, and then cyclonic 3 to 5 later in southeast.
Sea state
Moderate, becoming slight later near iceland.
Weather
Mainly fair in far north but occasional rain in south.
Visibility
Good, occasionally poor in south.

In southern half of the area

Wind
Westerly or southwesterly 3 to 5.
Sea state
Rough at first in east, otherwise moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In far northwest

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

In area to the south of 60 north

Wind
Westerly or northwesterly, veering northerly later except in far southeast, 3 to 5.
Sea state
Moderate.
Weather
Rain or drizzle at times, becoming fair later in west.
Visibility
Moderate or good, occasionally poor, but becoming good later in west.

In the rest of the area

Wind
Cyclonic mainly northeasterly, backing northerly later, 3 to 5, occasionally 6 in southeast.
Sea state
Moderate.
Weather
Rain at first in southeast, otherwise showers.
Visibility
Good, occasionally poor until later in southeast.

East Central Section

In northern half of the area

Wind
Westerly or southwesterly 4 or 5, occasionally 6 at first.
Sea state
Rough at first in east, otherwise moderate.
Weather
Drizzle at times, then rain.
Visibility
Moderate or good, occasionally poor.

In southern half of the area

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fair at first in east, otherwise rain or showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Southwesterly 5 at first in northeast, otherwise variable 2 to 4.
Sea state
Moderate in northeast, but elsewhere slight or moderate.
Weather
Rain or showers, perhaps thundery at times in central and southern areas, fog patches in west and north.
Visibility
Moderate or good, occasionally very poor in west and north.

Denmark Strait

Wind
Variable 2 to 4, becoming northerly or northeasterly 4 or 5 for a time in east.
Sea state
Slight or moderate.
Weather
Fog patches.
Visibility
Good, occasionally very poor.

North Iceland

In northwestern half of the area

Wind
Variable 2 to 4 at first except in far northwest, otherwise northerly or northeasterly 4 to 6, but becoming variable 3 or less later in far northwest.
Sea state
Slight or moderate.
Weather
Fog patches.
Visibility
Good, occasionally very poor.

In southeastern half of the area

Wind
Northwesterly in far southeast, but elsewhere northerly or northeasterly, 5 to 7, occasionally 4 in far north and far west.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Norwegian Basin

In western half of the area

Wind
Westerly or northwesterly 5 to 7, occasionally gale 8 except in far north.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In eastern half of the area

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 near the coast.
Sea state
Rough, occasionally very rough for a time in south and moderate in north.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Gales expected at first in eastern Norwegian Basin, mainly near the coast. Risk of gales later in Bailey, Faeroes and eastern parts of East 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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