Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 280000UTC, lows 54 north 28 west 1004 and 57 north 40 west 1003 losing their identities by 290000UTC. New low moving steadily east expected 50 north 13 west 997 by same time. New low expected 73 north 09 west 1003 by that time. at 280000UTC, low 68 north 10 west 1011 losing its identity. High 62 north 30 west 1018 dissipating

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Cyclonic mainly westerly, 4 to 6, increasing 6 to gale 8 later, perhaps severe gale 9 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, thundery later.
Visibility
Good, occasionally poor.

Shannon

Wind
Northwesterly becoming cyclonic, 3 to 5, increasing 5 to 7 in south.
Sea state
Slight or moderate, occasionally rough later in south.
Weather
Rain.
Visibility
Good, occasionally poor.

Rockall

Wind
North or northeast 3 to 5, occasionally 6 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
North or northeast 3 to 5, occasionally 6 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
Cyclonic 3 to 5, becoming north or northeast 4 to 6.
Sea state
Slight or moderate, becoming moderate later.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Cyclonic 2 to 4, becoming northerly 4 or 5 in east.
Sea state
Slight occasionally moderate.
Weather
Showers.
Visibility
Moderate or good.

East Northern Section

In north

Wind
Variable, mainly northerly or northeasterly, 2 to 4.
Sea state
Slight, occasionally moderate in far southwest.
Weather
Showers.
Visibility
Good, occasionally moderate later.

In south

Wind
Easterly or northeasterly 4 to 6.
Sea state
Moderate, occasionally slight in northeast.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Easterly 4 or 5 at first in south, otherwise variable 2 to 4.
Sea state
Slight or moderate, becoming mainly slight in north.
Weather
Showers.
Visibility
Good, occasionally moderate later in northeast.

In south

Wind
Cyclonic becoming northeasterly, 4 to 6, then becoming variable 2 to 4 later in west.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

In northeastern half of area

Wind
Cyclonic 4 to 6, occasionally 3 at first, increasing 6 to gale 8 for a time in far southeast.
Sea state
Moderate or rough.
Weather
Rain at times, perhaps thundery later, fog patches.
Visibility
Moderate or good, occasionally very poor.

In southwestern half of area

Wind
Cyclonic at first in far east, otherwise northwesterly, backing westerly or southwesterly later, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain at times, becoming thundery later, fog patches at first in northeast.
Visibility
Moderate or good, occasionally poor, but very poor at first in northeast.

West Central Section

Wind
Cyclonic in far northeast, otherwise westerly or northwesterly, 4 to 6, occasionally 7 except in far northeast and far southwest.
Sea state
Moderate or rough.
Weather
Mainly fair at first in south, otherwise occasional rain or showers, fog patches at first in far northeast.
Visibility
Moderate or good, occasionally poor in north but very poor at first in far northeast.

Denmark Strait

Wind
Variable 2 to 4.
Sea state
Slight.
Weather
Fog patches in west.
Visibility
Moderate or good, occasionally very poor in west.

North Iceland

In east

Wind
Cyclonic 3 to 5, occasionally 6 in far southeast.
Sea state
Slight occasionally moderate.
Weather
Occasional rain or drizzle with fog patches, showers later in south.
Visibility
Moderate or good, occasionally very poor, becoming mainly good later in south.

In west

Wind
Northerly or northwesterly 3 to 5, occasionally 6 later in north.
Sea state
Slight occasionally moderate.
Weather
Occasional rain in east.
Visibility
Good, occasionally moderate.

Norwegian Basin

Wind
Variable 2 to 4, becoming cyclonic 4 to 6, occasionally 3 in east.
Sea state
Slight, becoming moderate at times.
Weather
Occasional rain in far south, rain or drizzle and fog patches in west.
Visibility
Moderate or good, occasionally poor in far south and very poor in west.

Outlook for the following 24 hours

Gales expected in Sole with a risk of gales in East Central 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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