Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 211200UTC, low 47 north 38 west 1015 expected 59 north 08 west 987 by 221200UTC. Low 65 north 29 west 989 expected 65 north 24 west 993 by same time. Low 63 north 67 west 998 expected 58 north 42 west 1005 by that time. at 211200UTC, high 64 north 45 west 1014 expected 64 north 44 west 1018 by 221200UTC. New high expected 47 north 47 west 1032 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
In west, variable 3 or 4, becoming westerly 5 or 6, occasionally 7 later. in east, variable 2 to 4, becoming southwesterly 4 to 6 later.
Sea state
In west, moderate, becoming rough later. in east, slight or moderate.
Weather
In west, showers, rain later. in east, occasional drizzle, showers later.
Visibility
In west, good, occasionally poor later. in east, good, occasionally moderate.

Shannon

Wind
Southwesterly 5 to 7, increasing gale 8 for a time in north, veering northwesterly later.
Sea state
Moderate, becoming rough.
Weather
Fair at first, then rain or showers.
Visibility
Good, occasionally poor later.

Rockall

Wind
West or southwest 4 to 6, becoming cyclonic 6 to gale 8.
Sea state
Rough, occasionally very rough later.
Weather
Rain at times, showers later.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
West becoming cyclonic 4 to 6, becoming north 5 to 7 later.
Sea state
Rough, occasionally very rough later in southeast.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
Southwest 4 to 6, becoming cyclonic 3 to 5, then increasing 6 to gale 8 later.
Sea state
Rough, occasionally very rough later.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Westerly 5 to 7, becoming variable 3 or 4.
Sea state
Rough, becoming moderate later in northwest.
Weather
Showers.
Visibility
Good.

East Northern Section

In far northwest

Wind
Cyclonic 6 to gale 8.
Sea state
Rough or very rough.
Weather
Rain or sleet.
Visibility
Moderate or good, occasionally poor.

In far south

Wind
Variable 3 or 4, becoming northwesterly 5 to 7.
Sea state
Rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In rest of area

Wind
Westerly 4 to 6.
Sea state
Rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

West Northern Section

In far north

Wind
Cyclonic 5 to 7, becoming northerly or northeasterly 4 to 6 later.
Sea state
Moderate or rough, occasionally very rough at first in east.
Weather
Occasional sleet or snow.
Visibility
Moderate or good, occasionally poor.

In rest of area

Wind
Westerly or northwesterly 4 to 6, occasionally 7 later in far southwest.
Sea state
Rough.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

East Central Section

Wind
Cyclonic 5 to 7, occasionally gale 8 at first in northeast, becoming northwesterly 5 or 6 later.
Sea state
Moderate at first in southeast, otherwise rough.
Weather
Fair at first in southeast, otherwise rain or showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

In far southeast

Wind
Cyclonic 5 to 7, becoming northwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain at first.
Visibility
Good, occasionally poor at first.

In far north

Wind
Northwesterly 4 to 6, backing westerly 6 to gale 8 later.
Sea state
Rough, becoming very rough later.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

In rest of area

Wind
Northwesterly 5 to 7.
Sea state
Moderate or rough.
Weather
Rain at first, then showers in north.
Visibility
Good, occasionally poor at first.

Denmark Strait

Wind
Northerly or northeasterly 4 to 6, but cyclonic 6 to gale 8 near Iceland.
Sea state
Moderate or rough, occasionally very rough near Iceland.
Weather
Occasional sleet or snow.
Visibility
Good, occasionally poor.

North Iceland

In northwest

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 later.
Sea state
Rough, occasionally very rough.
Weather
Occasional sleet or snow.
Visibility
Moderate or good, occasionally poor. Light icing at times in northwest, with temperatures ms02 to ms04.

In southeast

Wind
Cyclonic 4 to 6.
Sea state
Rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Norwegian Basin

Wind
Westerly 4 to 6, becoming variable 3 or 4, then cyclonic 6 to gale 8 later.
Sea state
Rough or very rough.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor later.

Outlook for following 24 hours

Severe gales expected in north Iceland and Norwegian Basin, with storms likely in Norwegian Basin. Gales also expected in Sole, Shannon, Fair Isle, Faeroes, East Northern Section, both central sections and Denmark Strait.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

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.

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.