Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 120000UTC, low 65 north 09 west 991 expected 62 north 05 west 996 by 130000UTC. High 48 north 32 west 1035 expected 47 north 33 west 1036 by same time. Low 66 north 23 west 994 losing its identity

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North 3 to 5, backing northwest 5 or 6 later.
Sea state
Moderate, occasionally rough later.
Weather
Showers.
Visibility
Good.

Shannon

Wind
Northwest 5 to 7, occasionally gale 8 later.
Sea state
Moderate or rough, becoming rough or very rough later.
Weather
Showers at first.
Visibility
Good.

Rockall

Wind
Northwest 6 to gale 8.
Sea state
Rough or very rough, occasionally high later in north.
Weather
Squally showers.
Visibility
Moderate or good.

Bailey

Wind
Northwest 6 to gale 8.
Sea state
Very rough, occasionally high in southwest.
Weather
Squally showers.
Visibility
Moderate or good.

Faeroes

Wind
Northwest becoming cyclonic 5 to 7.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Southeast Iceland

Wind
Northwesterly becoming cyclonic 5 to 7, then northerly 6 to gale 8 later.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good.

East Northern Section

Wind
Northerly or northwesterly 6 to gale 8, backing westerly 4 or 5 later in west.
Sea state
Rough or very rough, occasionally high in far east.
Weather
Showers at first in northeast, rain later in far southwest.
Visibility
Good, occasionally moderate later in far southwest.

West Northern Section

In north

Wind
Cyclonic 3 to 5, occasionally 6 at first in south and east.
Sea state
Moderate or rough, occasionally very rough at first in far east.
Weather
Rain or drizzle later.
Visibility
Good, occasionally poor later.

In south

Wind
Westerly or southwesterly 4 or 5, occasionally 6 at first in northeast.
Sea state
Moderate or rough, occasionally very rough at first in far northeast.
Weather
Fair at first, then occasional rain or drizzle, fog patches later in southwest.
Visibility
Good, becoming moderate or poor, occasionally very poor later in southwest.

East Central Section

In north

Wind
Northwesterly 4 to 6, occasionally 7 in far northeast.
Sea state
Moderate or rough, occasionally very rough in northeast.
Weather
Occasional drizzle in west.
Visibility
Good, occasionally moderate in west.

In south

Wind
Northeasterly backing northerly 4 or 5.
Sea state
Moderate, occasionally rough.
Weather
Occasional drizzle.
Visibility
Good, occasionally moderate.

West Central Section

In northwest

Wind
Southerly or southwesterly 4 or 5.
Sea state
Moderate.
Weather
Occasional drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

In southeast

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Fair.
Visibility
Good.

Denmark Strait

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 in southeast, becoming variable 2 to 4.
Sea state
Moderate or rough, occasionally very rough at first in southeast.
Weather
Occasional sleet or snow, but occasional rain in southeast.
Visibility
Moderate or good, occasionally very poor in northwest. Light icing likely at first near ice edge, with temperature ms02 or ms03.

North Iceland

In northwest

Wind
Northeasterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional sleet or snow at first, fog patches later.
Visibility
Moderate or good, occasionally very poor. Light icing likely at first near ice edge, with temperature ms02 or ms03.
Wind
Southeast, cyclonic becoming northwesterly 4 to 6, occasionally 7 later.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches later in northwest.
Visibility
Moderate or good.

Norwegian Basin

Wind
Cyclonic 4 to 6, becoming easterly or northeasterly 3 to 5 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours

Gales expected in Shannon, Rockall, Bailey and West 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.