High seas forecast and storm warnings
The general synopsis for UK
At 230001UTC low 56 north 38 w 1000 expected 63 north 23 west 998 by 240001UTC. Low 66 north 45 west 1001 losing its identity by same time. High 71 north 39 west 1017 expected 73 north 40 west 1012 by that time. at 230001UTC low 73 north 09 east 1011 losing its identity by 240001UTC.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northerly or northeasterly 4 or 5, occasionally 3 at first.
- Sea state
- Slight or moderate.
- Weather
- Rain at times, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Shannon
- Wind
- In southeast, variable 3 or 4, becoming northerly or northeasterly later. in northwest, southwesterly 4 or 5.
- Sea state
- In southeast, smooth or slight. in northwest, slight or moderate.
- Weather
- In southeast, fog patches. in northwest, rain at times.
- Visibility
- In southeast, moderate or good, occasionally very poor. in northwest, moderate or good.
Rockall
- Wind
- Southwesterly 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Rain at times.
- Visibility
- Moderate or good.
Bailey
- Wind
- Cyclonic 5 or 6 becoming southwest 4 or 5, occasionally 6 later.
- Sea state
- Moderate, perhaps rough later in far west.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
Faeroes
- Wind
- Cyclonic becoming southwesterly 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Southeast Iceland
- Wind
- Cyclonic becoming southwesterly 4 or 5, occasionally 6 at first.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
East Northern Section
In northeast
- Wind
- Cyclonic 5 or 6, increasing 7 for a time.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Southwesterly 5 or 6, occasionally 4 at first.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Southwesterly 5 or 6 becoming cyclonic 4 or 5 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Northeasterly 4 or 5 becoming cyclonic 5 or 6.
- Sea state
- Slight or moderate, becoming rough for a time in southeast.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In northeast
- Wind
- Northeasterly 3 or 4 backing northerly or northwesterly 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic 4 or 5, increasing 6 for a time in southeast, becoming westerly or northwesterly later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic becoming northwesterly 4 or 5, backing westerly or southwesterly later.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Variable 3 or 4.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Moderate or good.
East Central Section
In northeast
- Wind
- Southwesterly 4 or 5.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Variable 3 or 4.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Southwesterly 4 or 5, becoming cyclonic later.
- Sea state
- Moderate, becoming rough for a time in northwest.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Southwesterly 5 or 6, occasionally 4 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In northeast
- Wind
- Southwesterly 5 or 6 veering westerly or northwesterly 4 or 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Southwesterly 4 or 5 becoming cyclonic then northwesterly.
- Sea state
- Moderate, occasionally rough until later.
- Weather
- Rain or showers, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
In southwest
- Wind
- Cyclonic becoming northwesterly 4 or 5, occasionally 6 at first, becoming variable 3 or 4 later.
- Sea state
- Moderate, occasionally rough until later.
- Weather
- Rain or showers, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
In northwest
- Wind
- Cyclonic 5 or 6 becoming westerly or northwesterly 4 or 5, backing southwesterly later in the west.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
In north
- Wind
- Southerly 3 or 4.
- Sea state
- Smooth or slight.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southeast
- Wind
- Variable 3 or 4 becoming cyclonic 4 or 5.
- Sea state
- Smooth or slight, occasionally moderate later.
- Weather
- Fog patches, showers later.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Variable 3 or 4.
- Sea state
- Smooth or slight, occasionally moderate later.
- Weather
- Fog patches, showers later.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In northeast
- Wind
- Southerly or southeasterly 4 or 5, occasionally 3 later.
- Sea state
- Slight or moderate.
- Weather
- Fog patches, showers later.
- Visibility
- Moderate or good, occasionally very poor.
In southeast
- Wind
- Variable 3 or 4 becoming easterly 4 or 5, becoming cyclonic later.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Variable 3 or 4 becoming cyclonic 4 or 5.
- Sea state
- Smooth or slight, occasionally moderate later.
- Weather
- Fog patches, showers later.
- Visibility
- Moderate or good, occasionally very poor.
In northwest
- Wind
- Southerly 3 or 4.
- Sea state
- Smooth or slight, but moderate until later in east.
- Weather
- Fog patches, showers later.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Variable 3 or 4 becoming cyclonic 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
No storms are expected. Gales are not expected. Widespread fog is not expected.
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.