Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 250000UTC, low 62 north 08 west 988 expected 65 north 05 east 978 by 260000UTC. Low 68 north 04 west 987 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North or northwest 4 to 6.
Sea state
Moderate, occasionally rough.
Weather
Showers, drizzle later.
Visibility
Good, occasionally poor.

Shannon

Wind
West or northwest 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Rockall

Wind
Westerly or northwesterly 4 to 6, occasionally 7 later.
Sea state
Rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Bailey

Wind
Northwest 4 to 6, becoming cyclonic 3 to 5.
Sea state
Rough or very rough becoming moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Faeroes

Wind
Northwesterly 5 to 7, occasionally gale 8 at first, decreasing 4 at times in southwest.
Sea state
Rough occasionally very rough.
Weather
Rain then showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 3 to 5 in southwest, otherwise northwesterly 5 to 7, perhaps gale 8 later.
Sea state
Moderate or rough, occasionally very rough in northeast.
Weather
Showers.
Visibility
Moderate or good.

East Northern Section

In north

Wind
Cyclonic 3 to 5, occasionally 6 near Iceland.
Sea state
Moderate, occasionally rough in south and east.
Weather
Occasional rain in far south and southwest.
Visibility
Good, occasionally poor in far south and southwest.

In south

Wind
Westerly, 3 or 4 at first in northeast, otherwise 5 to 7, decreasing 4 at times in northeast and later in west.
Sea state
Rough, occasionally very rough later in east.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic 3 to 5, occasionally 6 later in far north.
Sea state
Moderate, occasionally slight in far northwest and rough in far south.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Westerly or southwesterly 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

Wind
Variable 3 or less in far southwest, otherwise westerly or northwesterly 4 or 5, increasing 6 at times in north and east and occasionally 3 in southwest, backing southwesterly later in northwest.
Sea state
Moderate or rough in north and east, slight or moderate in southwest.
Weather
Occasional drizzle with fog patches, but mainly fair at first in far south and becoming mainly fair in northeast.
Visibility
Moderate or good, occasionally very poor, but mainly good at first in far south and becoming good in northeast.

West Central Section

In north

Wind
Westerly or southwesterly 4 or 5, occasionally 6 at first in northeast.
Sea state
Moderate, occasionally rough in north.
Weather
Rain or drizzle with fog banks.
Visibility
Poor or very poor, occasionally moderate.

In south

Wind
Westerly or southwesterly 3 to 5 in far north, otherwise variable 2 to 4.
Sea state
Slight, occasionally moderate in north.
Weather
Mainly fair until later in far south, otherwise occasional drizzle with fog patches, then thundery rain or showers later.
Visibility
Good until later in far south, otherwise moderate or good, occasionally very poor.

Denmark Strait

Wind
Northerly or northwesterly 4 to 6 at first in far east and northeasterly 4 or 5 at first near west Iceland, otherwise variable 2 to 4, becoming southwesterly 3 to 5 later in northwest.
Sea state
Moderate, occasionally rough at first in far east.
Weather
Fog patches in northwest.
Visibility
Moderate or good, occasionally very poor in northwest.

North Iceland

In southeastern half of area

Wind
Cyclonic mainly northerly or northwesterly, 5 to 7, occasionally gale 8 in south, decreasing 4 at times in far east and also later in far west.
Sea state
Moderate or rough, occasionally very rough in south.
Weather
Mainly fair in far west, otherwise rain at times, fog patches in east.
Visibility
Good in far west, otherwise moderate or good, occasionally poor but very poor in east.

In northwestern half of area

Wind
Northerly or northeasterly 4 to 6, occasionally 7 at first in south, becoming variable 2 to 4 in northwest.
Sea state
Moderate, occasionally rough at first, becoming slight at times later in northwest.
Weather
Occasional rain in southeast, fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Cyclonic 5 to 7, increasing gale 8 at times but occasionally 4 in far north.
Sea state
Moderate or rough, occasionally very rough in south.
Weather
Rain or squally showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Gales expected in Southeast Iceland, north Iceland and Norwegian Basin with a risk of gales in Faeroes.

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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