High seas forecast and storm warnings
The general synopsis for UK
At 160000UTC, low 56 north 18 west 1012 expected 56 north 08 west 1015 by 170000UTC. Low 49 north 41 west 1007 expected 56 north 32 west 1000 by same time. Low 60 north 37 west 1008 losing its identity by same time. at 160000UTC, high 63 north 11 west 1016 slow moving, intensifying 1020 by 170000UTC.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northerly until later in east, otherwise westerly or southwesterly, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
Shannon
- Wind
- Southwest veering west, 3 or 4, occasionally 5 at first.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- South or southwest, becoming cyclonic, 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Bailey
- Wind
- Variable, becoming east later, 2 to 4, occasionally 5 later.
- Sea state
- Moderate.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Faeroes
- Wind
- Variable, becoming north or northeast, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- Variable 2 to 4, but easterly 3 to 5 in south.
- Sea state
- Slight or moderate.
- Weather
- Rain at times.
- Visibility
- Good, occasionally moderate.
East Northern Section
In northern half of the area
- Wind
- Variable 2 to 4, becoming easterly or southeasterly 3 to 5, increasing 6 at times later.
- Sea state
- Slight or moderate.
- Weather
- Showers, mainly in east, then rain later in southwest.
- Visibility
- Moderate or good, occasionally poor later in southwest.
In southern half of the area
- Wind
- Cyclonic 3 to 5, becoming southeasterly later, then veering southwesterly later in far southwest, 4 to 6.
- Sea state
- Moderate.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
In northern half of the area
- Wind
- Cyclonic, mainly easterly or southeasterly, 3 to 5, increasing 6 at times in far west.
- Sea state
- Slight at first in far north, otherwise moderate.
- Weather
- Fair at first in far northeast, otherwise rain or drizzle at times, fog patches in south.
- Visibility
- Good at first in far northeast, otherwise moderate of good, becoming poor at times, but occasionally very poor in south.
In southern half of the area
- Wind
- Variable 2 to 4, becoming cyclonic 4 to 6, occasionally 7 later in southeast.
- Sea state
- Moderate, occasionally rough later in far southeast.
- Weather
- Occasional drizzle, then rain later, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
East Central Section
- Wind
- Westerly or southwesterly 4 or 5 at first in far east, otherwise variable 2 to 4, becoming southerly or southwesterly 4 to 6, except in far southeast.
- Sea state
- Slight in southeast, moderate in northwest, occasionally rough later in far northwest.
- Weather
- Occasional rain or drizzle, fog patches developing in far northwest.
- Visibility
- Moderate or good, occasionally poor in northwest, or very poor in far northwest.
West Central Section
In southern half of area
- Wind
- Southerly or southwesterly 4 to 6, becoming variable 2 to 4 later in west.
- Sea state
- Moderate, occasionally rough later in far south.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In northern half of area
- Wind
- Cyclonic, becoming southerly or southwesterly, veering westerly later, 4 or 5, increasing 6 at times except in far west.
- Sea state
- Moderate, occasionally rough later in east.
- Weather
- Rain or showers, becoming mainly fair later in west, fog banks at first, then fog patches later in east.
- Visibility
- Moderate to very poor, becoming moderate or good later, occasionally very poor later in east.
Denmark Strait
- Wind
- Variable 3 or less at first in far north, otherwise southerly or southwesterly 3 to 5, becoming variable 3 or less in south, then becoming easterly 3 to 5 later in far south.
- Sea state
- Slight, occasionally moderate.
- Weather
- Occasional drizzle, rain later in far west, fog patches near greenland.
- Visibility
- Moderate or good, occasionally very poor near greenland.
North Iceland
In western half of the area
- Wind
- Variable becoming southwesterly, 2 to 4, occasionally 5 later.
- Sea state
- Slight.
- Weather
- Fog banks in north.
- Visibility
- Moderate or good, occasionally very poor in north.
In eastern half of the area
- Wind
- Westerly or northwesterly 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain in southeast.
- Visibility
- Good, occasionally moderate in southeast.
Norwegian Basin
- Wind
- Northwesterly veering northerly later, 3 to 5, occasionally 6 later in far east.
- Sea state
- Moderate, occasionally slight near norway, occasionally rough later in far northeast.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor in north.
Outlook for the following 24 hours
Gales expected in East Northern Section and 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.