High seas forecast and storm warnings
The general synopsis for UK
At 281200UTC, low 60 north 15 west 989 expected 68 north 18 west 992 by 291200UTC. Low 47 north 37 west 1006 expected 52 north 22 west 1006 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly backing southwesterly 3 to 5, increasing 6 or 7 later in west.
- Sea state
- Rough, occasionally very rough at first in west.
- Weather
- Occasional rain later.
- Visibility
- Good, occasionally moderate later.
Shannon
- Wind
- West backing southwest 4 or 5, occasionally 6 at first, backing south 5 to 7 later.
- Sea state
- Very rough becoming rough.
- Weather
- Rain later.
- Visibility
- Good, occasionally moderate later.
Rockall
- Wind
- Southwest 5 to 7, occasionally gale 8 at first, occasionally 4 later.
- Sea state
- Rough or very rough.
- Weather
- Rain at times.
- Visibility
- Moderate or good.
Bailey
- Wind
- Cyclonic becoming southwest 5 to 7.
- Sea state
- Rough or very rough.
- Weather
- Showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- South or southwest 5 or 6, increasing 7 for a time.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic 4 to 6, becoming southwesterly 5 to 7 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate, occasionally very poor.
East Northern Section
In north of area
- Wind
- Cyclonic, becoming westerly or southwesterly, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
In south of area
- Wind
- Westerly 5 or 6, occasionally 7 at first in east, becoming cyclonic 4 or 5 later.
- Sea state
- Rough or very rough becoming moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
West Northern Section
In north of area
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
In south of area
- Wind
- Westerly 3 to 5 backing southwest 5 or 6, occasionally 7 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
East Central Section
- Wind
- Westerly or southwesterly 4 to 6 becoming cyclonic 6 to gale 8, increasing severe gale 9 for a time in southwest.
- Sea state
- Rough or very rough, occasionally moderate in far north.
- Weather
- Rain, heavy at times.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In north of area
- Wind
- Cyclonic becoming westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally poor at first.
In south of area
- Wind
- Cyclonic 6 to gale 8, increasing severe gale 9 for a time in east, becoming southerly or southeasterly 4 to 6 later.
- Sea state
- Moderate or rough, becoming very rough for a time in east.
- Weather
- Heavy rain at times.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
- Wind
- Northeasterly 6 to gale 8, but variable 3 or 4 in far north and cyclonic 4 to 6 near iceland.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or poor, occasionally very poor.
North Iceland
In north
- Wind
- Variable 2 to 4, becoming easterly or northeasterly 4 or 5, increasing 6 for a time in south.
- Sea state
- Slight or moderate, occasionally rough later in far southwest.
- Weather
- Occasional rain and fog patches, but fog banks in far west.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Cyclonic 4 to 6, occasionally 7 at first in northwest.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- South or southwest 5 or 6, occasionally 4 at first.
- Sea state
- Moderate becoming rough.
- Weather
- Rain or showers, thundery at first, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
Gales expected in West Northern 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.