High seas forecast and storm warnings
The general synopsis for UK
At 271200UTC, low 57 north 25 west 987 expected 60 north 16 west 989 by 281200UTC. New low expected 48 north 38 west 1006 by same time. Low 72 north 11 west 1003 losing its identity by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southwesterly veering westerly 4 to 6.
- Sea state
- Moderate or rough, occasionally very rough in west.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Southwest 5 to 7.
- Sea state
- Moderate or rough becoming very rough.
- Weather
- Showers.
- Visibility
- Good.
Rockall
- Wind
- South or southwest 6 to gale 8.
- Sea state
- Moderate or rough becoming very rough or high.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Cyclonic 5 or 6, occasionally 7 later.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Cyclonic becoming south 4 to 6, occasionally 7 later.
- Sea state
- Moderate, becoming rough or very rough later.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Southeast Iceland
- Wind
- Cyclonic 5 to 7, occasionally gale 8 in northwest.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate, occasionally very poor.
East Northern Section
- Wind
- Cyclonic becoming westerly 5 to 7, occasionally gale 8 in far south, veering northwesterly 4 or 5 later in north.
- Sea state
- Moderate or rough, becoming very rough or high for a time in far south.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Cyclonic 4 to 6, increasing 7 or gale 8 later in far northwest.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Good, occasionally poor.
In south
- Wind
- Westerly or northwesterly 5 to 7, occasionally gale 8 at first in far southeast, becoming cyclonic 4 or 5 later.
- Sea state
- Moderate or rough, occasionally very rough at first in far southeast.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
East Central Section
- Wind
- Westerly 5 to 7, occasionally gale 8 in north, backing southwest 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first in far north.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor in north.
West Central Section
- Wind
- Westerly or southwesterly 4 to 6, occasionally 7 at first in northeast, becoming cyclonic 5 to 7 later in south.
- Sea state
- Moderate or rough, occasionally very rough at first in east.
- Weather
- Rain in south, heavy at times.
- Visibility
- Moderate or good, occasionally poor in south.
Denmark Strait
- Wind
- East 4 to 6 backing northeast 6 to gale 8, but variable 3 or 4 in far north.
- Sea state
- Slight or moderate becoming moderate or rough.
- Weather
- Occasional rain and fog patches.
- Visibility
- Moderate or poor, occasionally very poor.
North Iceland
In north
- Wind
- Cyclonic 3 to 5 becoming variable 2 to 4.
- Sea state
- Moderate becoming slight.
- Weather
- Fog patches, but fog banks developing near ice edge.
- Visibility
- Moderate or poor, occasionally very poor.
In south
- Wind
- Easterly 4 to 6 becoming cyclonic 5 to 7.
- Sea state
- Slight or moderate becoming moderate or rough.
- Weather
- Occasional rain and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic becoming south or southwest, 4 to 6.
- Sea state
- Moderate.
- Weather
- Showers, thundery at first, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
Gales expected in Rockall, West Northern Section, West Central Section, East Central Section and Denmark Strait.
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.