High seas forecast and storm warnings
The general synopsis for UK
At 010000UTC low 47 north 31 west 1004 expected 50 north 20 west 1008 by 020000UTC. Low 66 north 01 west 998 expected 67 north 01 east 998 by same time. High 57 north 31 west 1026 expected 57 north 29 west 1025 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southeasterly 4 or 5, increasing 6 or 7 in west. in east, variable 2 to 4, becoming easterly or southeasterly 3 or 4 later.
- Sea state
- In west, moderate, occasionally rough. in east, mainly slight.
- Weather
- In west, rain in west. in east, showers at first.
- Visibility
- In west, moderate or good, occasionally poor in west. in east, good.
Shannon
- Wind
- Variable 2 to 4, becoming east 4 to 6, then cyclonic 5 to 7 later.
- Sea state
- Moderate, becoming rough later in west.
- Weather
- Fair then rain.
- Visibility
- Good, becoming moderate, occasionally poor.
Rockall
- Wind
- West or northwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
Bailey
- Wind
- West or northwest 3 to 5, occasionally 6 at first.
- Sea state
- Moderate, occasionally rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Westerly or northwesterly 4 or 5, increasing 6 later in north.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery at first in north.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- In east, northerly or northwesterly 5 or 6, occasionally 7 for a time. in west, variable 3 or 4.
- Sea state
- In east, moderate or rough. in west, moderate, occasionally slight near iceland.
- Weather
- In east, rain or showers. in west, fair.
- Visibility
- In east, good, occasionally moderate. in west, good.
East Northern Section
In southwest
- Wind
- Variable 3 or 4.
- Sea state
- Moderate.
- Weather
- Fair.
- Visibility
- Good.
In rest of area
- Wind
- Northwesterly 4 to 6, becoming cyclonic 3 to 5 in far northeast.
- Sea state
- Moderate, occasionally rough at first in east.
- Weather
- Mainly fair.
- Visibility
- Good.
West Northern Section
- Wind
- Variable or cyclonic 2 to 4, but becoming southwesterly 4 or 5 later in far northwest.
- Sea state
- Moderate, occasionally slight in far northwest.
- Weather
- Showers, fog patches in northwest.
- Visibility
- Good, occasionally poor or very poor in far northwest.
East Central Section
In northwest
- Wind
- Northeasterly 4 to 6, occasionally 3 at first in east.
- Sea state
- Moderate or rough.
- Weather
- Rain at times in south.
- Visibility
- Good, occasionally moderate in south.
In southeast
- Wind
- Cyclonic 5 to 7, decreasing 3 or 4 in south.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, thundery in south.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In far southeast
- Wind
- Cyclonic becoming northeasterly, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In rest of region
- Wind
- Easterly or northeasterly 3 to 5, occasionally 6 until later in southeast.
- Sea state
- Rough until later in southeast, otherwise moderate.
- Weather
- Occasional rain and fog patches at first in west, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally very poor at first in west.
Denmark Strait
In area west of 22 west
- Wind
- Variable, mainly southwesterly, 3 or 4.
- Sea state
- Moderate, occasionally slight.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In area east of 22 west
- Wind
- Northerly or northwesterly 3 or 4.
- Sea state
- Moderate.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor in west.
North Iceland
- Wind
- Northerly or northwesterly 4 to 6, occasionally 7 in south and east, decreasing 3 later in far west.
- Sea state
- Mainly rough in south and east, otherwise moderate.
- Weather
- Rain or showers, perhaps thundery at first in far south, fog patches at first in west.
- Visibility
- Moderate or good, occasionally very poor at first in west.
Norwegian Basin
- Wind
- Westerly or southwesterly 4 to 6, increasing 7 at times.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good.
Outlook for the following 24 hours
Gales are possible in Shannon and East Central 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.