High seas forecast and storm warnings
The general synopsis for UK
At 081200UTC, low 63 north 20 west 990 expected 62 north 23 west 995 by 091200UTC. New low expected 61 north 06 east 998 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly 5 or 6, decreasing 4 or 5.
- Sea state
- Rough, occasionally very rough at first.
- Weather
- Showers.
- Visibility
- Good.
Shannon
- Wind
- West 6 or 7, decreasing 4 to 6 later.
- Sea state
- Rough or very rough.
- Weather
- Showers, perhaps thundery.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Cyclonic 5 to 7, becoming west 4 or 5 later.
- Sea state
- Rough or very rough becoming rough.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Cyclonic 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Showers, perhaps thundery.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- South or southwest 3 to 5, becoming variable 2 to 4.
- Sea state
- Moderate occasionally rough.
- Weather
- Showers, perhaps thundery.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic 4 to 6, becoming southerly or southeasterly 3 to 5.
- Sea state
- Moderate.
- Weather
- Rain or showers, perhaps thundery.
- Visibility
- Good, occasionally poor.
East Northern Section
- Wind
- Westerly or northwesterly, but cyclonic in north, 4 to 6, occasionally 7 in south.
- Sea state
- Moderate or rough, occasionally very rough at first in far south.
- Weather
- Rain or showers, perhaps thundery in east.
- Visibility
- Good occasionally moderate, but poor in east.
West Northern Section
- Wind
- Cyclonic, mainly westerly or northwesterly, 4 to 6, occasionally 7 in northeast.
- Sea state
- Moderate or rough, occasionally slight at first in far northwest.
- Weather
- Occasional rain, but rain or drizzle and fog patches later in southwest and fog patches later in far northwest.
- Visibility
- Good occasionally moderate, becoming moderate or good occasionally very poor later in southwest and far northwest.
East Central Section
- Wind
- Westerly 4 to 6, becoming variable 2 to 4 in south, then backing southerly 4 or 5 later in northwest.
- Sea state
- Rough or very rough at first in north, otherwise moderate or rough.
- Weather
- Showers in north, perhaps thundery at first in northeast, occasional rain in south.
- Visibility
- Good occasionally moderate.
West Central Section
- Wind
- Westerly at first in northeast otherwise cyclonic becoming southerly or southeasterly, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, drizzle and fog patches.
- Visibility
- Moderate or good occasionally very poor.
Denmark Strait
- Wind
- Northerly or northeasterly 5 to 7.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, drizzle and fog patches.
- Visibility
- Moderate or good occasionally very poor.
North Iceland
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate.
- Weather
- Occasional rain and drizzle, fog banks becoming extensive fog.
- Visibility
- Moderate to very poor, occasionally good.
Norwegian Basin
- Wind
- Variable 2 to 4, becoming cyclonic 5 to 7 later.
- Sea state
- Moderate, occasionally rough.
- Weather
- Rain and showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Gales are expected in West Northern Section, West Central Section, north Iceland and Norwegian Basin.
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.