High seas forecast and storm warnings
The general synopsis for UK
At 280000UTC, low 57 north 19 west 988 expected 63 north 11 west 991 by 290000UTC. Low 46 north 45 west 1009 expected 50 north 30 west 1002 by same time. New low expected 66 north 16 west 991 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly backing southwesterly later, 3 to 5, occasionally 6 at first in west.
- Sea state
- Moderate becoming rough, occasionally very rough at first in west.
- Weather
- Fair.
- Visibility
- Good.
Shannon
- Wind
- Westerly or southwesterly 5 or 6, occasionally 7 at first in northwest, backing southerly 4 or 5 later.
- Sea state
- Very rough, becoming rough later.
- Weather
- Showers.
- Visibility
- Good.
Rockall
- Wind
- South veering southwest 5 to 7, occasionally gale 8 until later.
- Sea state
- Very rough or high, becoming rough or very rough later.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Southerly becoming cyclonic, mainly southwesterly, 5 to 7, occasionally gale 8 at first in southeast.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- South 4 to 6, veering southwest 5 to 7.
- Sea state
- Moderate, becoming rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic 4 to 6, but northeasterly 7 or gale 8 at first in northwest.
- 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, occasionally 7 at first in far northeast.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, ocu moderate.
In south of area
- Wind
- Cyclonic 6 to gale 8, becoming westerly 6 or 7, then backing southwesterly 4 to 6 later.
- Sea state
- High at first in far southeast, otherwise rough or very rough, becoming moderate later in west.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
West Northern Section
In north
- Wind
- Cyclonic 4 to 6, but 7 or gale 8 at first in far northwest.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
In south
- Wind
- Westerly 4 to 6.
- Sea state
- Rough until later in east, otherwise moderate.
- Weather
- Showers, fog patches at first in far southwest.
- Visibility
- Moderate or good, occasionally very poor at first in far southwest.
East Central Section
In north of area
- Wind
- Westerly 6 to gale 8, backing southwesterly 5 or 6, then becoming cyclonic 5 to 7 later.
- Sea state
- High at first in far northeast, otherwise very rough becoming rough, occasionally moderate later in west.
- Weather
- Rain at times, becoming fair for a time.
- Visibility
- Moderate or good, occasionally poor later.
In south of area
- Wind
- Westerly backing southwesterly, 4 to 6, increasing 7 or gale 8 later in west.
- Sea state
- Rough or very rough.
- Weather
- Rain at times later.
- Visibility
- Good, occasionally moderate later.
West Central Section
In south of area
- Wind
- Cyclonic becoming westerly later, 5 to 7, increasing gale 8 for a time later in east, then becoming variable 2 to 4 later in southwest.
- Sea state
- Moderate or rough, occasionally very rough later in southeast.
- Weather
- Rain at times, fog patches at first in far northwest.
- Visibility
- Moderate or good, occasionally very poor at first in far northwest.
Denmark Strait
- Wind
- Northeasterly 6 to gale 8, but variable 3 or 4 in far north and later near iceland.
- Sea state
- Moderate or rough, occasionally very rough at first in far southwest and later in central areas.
- Weather
- 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 at times in south.
- Sea state
- Slight or moderate, becoming rough later in far south.
- Weather
- Occasional drizzle and fog patches, but fog banks in far west.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Easterly or northeasterly 5 to 7, occasionally gale 8 at first, then becoming cyclonic 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- South or southwest 4 to 6.
- Sea state
- Moderate, occasionally slight in east, becoming rough or very rough later in west.
- Weather
- Rain or showers, thundery at first, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
Severe gales expected in East Central Section, West Central Section and Denmark Strait. Gales expected in West 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.