High seas forecast and storm warnings
The general synopsis for UK
At 291200UTC, low 53 north 21 west 1005 expected 55 north 08 west 1016 by 301200UTC. Low 64 north 36 west 995 expected 63 north 38 west 993 by same time. Low 66 north 10 west 993 expected 72 north 01 west 999 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southwesterly 5 to 7, veering northwesterly 4 or 5 later.
- Sea state
- Moderate or rough, but rough or very rough at first in far west.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- Cyclonic 6 or 7, decreasing 4 to 6.
- Sea state
- Rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good occasionally poor.
Rockall
- Wind
- Cyclonic 4 to 6.
- Sea state
- Rough, becoming moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good occasionally poor.
Bailey
- Wind
- Southwest 4 to 6, becoming variable 2 to 4 later.
- Sea state
- Rough becoming moderate later.
- Weather
- Rain or showers.
- Visibility
- Good occasionally moderate.
Faeroes
- Wind
- Southwest 4 to 6, becoming variable 2 to 4 later.
- Sea state
- Rough becoming moderate later.
- Weather
- Rain or showers.
- Visibility
- Good occasionally moderate.
Southeast Iceland
- Wind
- Southwesterly 6 or 7, decreasing 4 to 6.
- Sea state
- Moderate or rough, becoming moderate later.
- Weather
- Showers.
- Visibility
- Good.
East Northern Section
- Wind
- Cyclonic at first in southeast, otherwise westerly or southwesterly, 4 to 6, backing southerly or southeasterly 6 to gale 8 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers, becoming mainly fair later in southeast.
- Visibility
- Good occasionally moderate, but poor later in northwest.
West Northern Section
- Wind
- Cyclonic, mainly southwesterly, 4 to 6, increasing 6 to gale 8 later in east, perhaps severe gale 9 later in northeast.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers, thundery in northwest.
- Visibility
- Moderate or good, occasionally poor in northwest.
East Central Section
- Wind
- Cyclonic 5 to 7, becoming westerly or southwesterly 3 to 5 for a time.
- Sea state
- Moderate or rough, but rough or very rough at first in south.
- Weather
- Rain or showers, but rain or drizzle and fog patches later in southwest.
- Visibility
- Good occasionally moderate, becoming moderate or good occasionally very poor later in southwest.
West Central Section
- Wind
- Cyclonic, mainly southwesterly, 5 to 7.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle and fog patches, becoming fog banks for a time in south.
- Visibility
- Moderate or good occasionally very poor, but moderate to very poor for a time in south.
Denmark Strait
- Wind
- Cyclonic 4 to 6, but northwesterly 6 to gale 8 at first in far northeast, increasing 6 to gale 8 later in southwest, perhaps severe gale 9 later in southwest.
- Sea state
- Moderate or rough, becoming slight or moderate later in northeast.
- Weather
- Occasional rain or drizzle and fog patches, but sleet and freezing rain near greenland coast and showers at times in far south.
- Visibility
- Moderate occasionally very poor, but moderate or good for a time in far south.
North Iceland
- Wind
- Cyclonic becoming southwesterly 4 to 6, but variable 2 to 4 later in far north.
- Sea state
- Moderate or rough, becoming slight or moderate later near iceland.
- Weather
- Rain, drizzle and fog patches, freezing rain at first in northwest, becoming mainly fair later in south.
- Visibility
- Moderate to very poor, becoming good occasionally moderate later in south.
Norwegian Basin
- Wind
- Southwesterly 5 or 6, decreasing 2 to 4 later.
- Sea state
- Rough, becoming moderate later.
- Weather
- Showers, occasional rain or drizzle later.
- Visibility
- Good, becoming moderate or good, occasionally poor later in west.
Outlook for the following 24 hours
Risk of severe gales in Denmark Strait and West Northern Section. Gales are expected in Rockall and East Northern 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.