Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 300000UTC, high 29 north 44 west 1029 expected 53 north 35 west 1032 by 310000UTC. Low 43 north 26 west 1004 expected 39 north 23 west 4010 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Cyclonic 3 to 5.
Sea state
Rough becoming moderate later.
Weather
Thundery showers.
Visibility
Good, occasionally poor.

Shannon

Wind
East or northeast 4 to 6, becoming cyclonic 3 to 5.
Sea state
Moderate or rough.
Weather
Thundery showers.
Visibility
Good, occasionally poor.

Rockall

Wind
Variable 2 to 4, becoming northerly or northeasterly 3 to 5 later.
Sea state
Rough becoming moderate later.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Bailey

Wind
West or southwest, veering northwest for a time, 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

In north

Wind
Westerly or southwesterly becoming cyclonic later, 4 to 6.
Sea state
Rough.
Weather
Occasional rain or showers, wintry in northwest.
Visibility
Moderate or good, occasionally poor in northwest.

In south

Wind
Cyclonic becoming westerly later in north, 4 to 6.
Sea state
Rough.
Weather
Occasional rain at first.
Visibility
Good, occasionally moderate at first.

West Northern Section

In north

Wind
Cyclonic 4 to 6, occasionally 7 at first, becoming variable 2 to 4 later.
Sea state
Slight or moderate in northwest, otherwise moderate or rough.
Weather
Showers.
Visibility
Good.

In south

Wind
Westerly or southwesterly 4 to 6, occasionally 7 in northwest.
Sea state
Moderate or rough, occasionally very rough in north.
Weather
Fair.
Visibility
Good.

East Central Section

Wind
Northerly or northeasterly, backing northwesterly later in northwest, 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

West Central Section

In north

Wind
Cyclonic 4 to 6.
Sea state
Moderate or rough, becoming slight or moderate later in west.
Weather
Mainly fair.
Visibility
Good.

In south

Wind
Easterly or northeasterly 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first in southwest.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Cyclonic 4 to 6, occasionally 7 in north.
Sea state
Moderate or rough becoming slight or moderate later.
Weather
Snow showers, becoming mainly fair in west.
Visibility
Moderate or good, occasionally very poor. Occasional light to moderate icing in northeast within 100 miles of greenland coast with temperatures between ms02 and ms05.

North Iceland

Wind
Cyclonic, mainly northerly or northwesterly in north and southwesterly in south, 4 to 6.
Sea state
Moderate or rough.
Weather
Snow showers in north, occasionally rain and fog patches in southeast.
Visibility
Moderate or good, occasionally very poor. Occasional light to moderate icing in northwest with temperatures between ms02 and ms05.

Norwegian Basin

Wind
Southwesterly 4 to 6, occasionally 7 in east.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle with fog patches, becoming mainly fair later.
Visibility
Moderate or good, occasionally very poor.

Outlook for following 24 hours

Risk of gales in Norwegian Basin.

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

The 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.