Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 040001UTC low 44 north 34 west 1002 expected 44 north 32 west 987 by 050001UTC. High 64 north 07 west 1038 expected 64 north 05 west 1035 by same time. New low expected 78 north 21 west 1010 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Cyclonic becoming east 5 or 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Rain or showers at first.
Visibility
Moderate or good, occasionally poor at first.

Shannon

Wind
Cyclonic becoming east 5 or 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Rain or showers at first.
Visibility
Moderate or good, occasionally poor at first.

Rockall

Wind
East or southeast 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

Bailey

Wind
East or southeast 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

Faeroes

Wind
East or southeast 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

Southeast Iceland

Wind
Southeasterly 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

East Northern Section

In northeast

Wind
Southeasterly 5 or 6, increasing 7 for a time, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Moderate or good.

In southeast

Wind
Easterly or southeasterly 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

In southwest

Wind
Easterly or southeasterly 4 or 5, increasing 6 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

In northwest

Wind
Southeasterly 5 or 6, occasionally 7 later.
Sea state
Moderate or rough.
Weather
Rain or showers moderate or good.

West Northern Section

In northeast

Wind
Southeasterly 4 or 5, occasionally 6 at first and again later.
Sea state
Rough, occasionally moderate later.
Weather
Occasional rain.
Visibility
Moderate or good.

In southeast

Wind
Easterly or southeasterly 4 or 5.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

In southwest

Wind
Cyclonic 5 or 6, increasing 7 for a time, becoming easterly or southeasterly 4 or 5 later.
Sea state
Rough, occasionally very rough at first, occasionally moderate later.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Cyclonic 4 or 5, occasionally 6 at first and again later.
Sea state
Moderate or rough.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor.

East Central Section

In northeast

Wind
Easterly, veering southeasterly for a time, 5 or 6, decreasing 4 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

In southeast

Wind
Easterly or southeasterly 4 or 5 becoming cyclonic 5 or 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

In southwest

Wind
Easterly or southeasterly 5 or 6 becoming cyclonic 5 to 7, increasing gale 8 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor later.

In northwest

Wind
Easterly or southeasterly 4 or 5, occasionally 6 later in far south.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers.
Visibility
Moderate or good.

West Central Section

In northeast

Wind
Easterly or southeasterly 4 or 5, occasionally 6 later in far south.
Sea state
Rough, occasionally moderate at first.
Weather
Occasional rain.
Visibility
Moderate or good.

In southeast

Wind
Cyclonic 5 to 7, increasing gale 8 for a time.
Sea state
Moderate or rough becoming very rough or high.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor later.

In southwest

Wind
Cyclonic 7 to severe gale 9 becoming northwesterly, occasionally 6 later.
Sea state
Very rough or high, occasionally rough at first and again later.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Cyclonic 6 to gale 8 decreasing 4 or 5.
Sea state
Rough or very rough.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

In north

Wind
Cyclonic, 3 or 4 in north and 4 or 5 increasing 5 to 7 in south.
Sea state
Smooth or slight in north, slight or moderate in south.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor. Occasional moderate icing in south, with temperatures ms03 to ms05.

In south

Wind
Cyclonic 6 to gale 8, occasionally 5 later.
Sea state
Moderate or rough.
Weather
Occasional rain or sleet.
Visibility
Moderate or good, occasionally poor. Occasional moderate icing in north, with temperatures ms03 to ms05.

North Iceland

In northeast

Wind
Westerly or southwesterly 4 or 5 becoming cyclonic 5 or 6, slight or moderate, occasionally rough later.
Sea state
Occasional rain or sleet.
Weather
Moderate or good, occasionally poor.

In southeast

Wind
Variable 3 or 4 becoming southerly or southwesterly 5 or 6.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

In southwest

Wind
Southerly or southwesterly 3 or 4 increasing 5 to 7.
Sea state
Slight or moderate.
Weather
Occasional rain.
Visibility
Moderate or good.

In northwest

Wind
Variable 3 or 4 becoming cyclonic, 3 or 4 in north and 5 to 7 in south.
Sea state
Slight or moderate, occasionally rough later in south.
Weather
Occasional rain or sleet.
Visibility
Occasional moderate icing in west, with temperatures ms03 to ms05.

Norwegian Basin

In northeast

Wind
Northerly or northwesterly 5 to 7 decreasing 3 or 4.
Sea state
Rough or very rough becoming moderate later.
Weather
Wintry showers until later.
Visibility
Good, occasionally poor.

In southeast

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 in far southeast.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Moderate or good.

In west

Wind
Variable 3 or 4.
Sea state
Rough becoming moderate.
Weather
Mainly fair.
Visibility
Moderate or good.

Outlook for following 24 hours

No storms expected. Severe gales expected in West Central Section. Gales expected in East Central Section.

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.