High seas forecast and storm warnings
The general synopsis for UK
At 120000UTC, low 59 north 26 west 995 expected 63 north 02 east 1000 by 130000UTC. Low 44 north 38 west 1009 expected 52 north 35 west 1001 by same time. Low 65 north 05 west 998 losing its identity by that time. at 120000UTC, high 45 north 06 west 1030 expected 48 north 06 west 1028 by 130000UTC. New low expected 51 north 48 west 994 by same time. New high expected southeast Greenland 1026 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly 4 or 5 becoming variable 4 or less, then easterly 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Drizzle, fog banks.
- Visibility
- Moderate to very poor.
Shannon
- Wind
- Southwest 4 to 6, becoming variable 4 or less.
- Sea state
- Rough, occasionally very rough in north.
- Weather
- Drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- Southwest 6 to gale 8, veering northwest 4 to 6.
- Sea state
- Rough or very rough.
- Weather
- Rain.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Southwest 4 to 6, veering west or northwest 5 to 7.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic, becoming northeasterly later, 4 to 6, occasionally 7 in west.
- Sea state
- Moderate or rough.
- Weather
- Rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
East Northern Section
- Wind
- Westerly or southwesterly 6 to gale 8 at first in south, otherwise cyclonic 3 to 5, occasionally 6 later.
- Sea state
- Moderate or rough in north throughout, but in south rough or very rough, becoming moderate or rough later.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In south of area
- Wind
- Northwesterly 4 to 6, but 7 at first in east, becoming variable 2 to 4, then easterly or northeasterly 5 to 7 later.
- Sea state
- Rough or very rough becoming moderate or rough.
- Weather
- Rain or drizzle later.
- Visibility
- Good, becoming moderate or poor later.
In rest of area
- Wind
- Cyclonic 5 to 7, becoming northerly or northeasterly 4 to 6, then cyclonic 3 to 5 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or drizzle, becoming fair for a time.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
- Wind
- Westerly 6 to gale 8 at first in north and variable 3 or less at first in southeast, otherwise southerly or southwesterly, backing easterly or southeasterly later except in southwest, 4 to 6.
- Sea state
- Moderate or rough in south throughout, but in north rough or very rough becoming moderate or rough.
- Weather
- Mainly fair at first in north, otherwise rain or drizzle, fog banks.
- Visibility
- Good at first in north, otherwise moderate to very poor.
West Central Section
- Wind
- Westerly 4 to 6 at first in northeast and variable 2 to 4 at first in northwest, otherwise cyclonic 5 to 7, occasionally gale 8 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair at first in north, otherwise occasional rain or showers, fog banks developing.
- Visibility
- Good at first in north, otherwise moderate to very poor.
Denmark Strait
In far northeast
- Wind
- Variable 2 to 4, becoming southerly 4 or 5 later.
- Sea state
- Slight or moderate.
- Weather
- Fog banks, becoming fog patches later.
- Visibility
- Moderate to very poor, occasionally good later.
In rest of area
- Wind
- Northeasterly 5 to 7, decreasing 3 to 5, becoming variable 3 or less later near greenland coast.
- Sea state
- Moderate or rough, becoming slight or moderate later.
- Weather
- Occasional rain or drizzle, fog banks.
- Visibility
- Moderate to very poor.
North Iceland
In northwest of area
- Wind
- Variable 2 to 4, becoming northeasterly 4 to 6 later in far northwest.
- Sea state
- Slight, occasionally moderate in southeast.
- Weather
- Fog banks.
- Visibility
- Moderate to very poor.
In rest of area
- Wind
- Northeasterly 4 to 6, but cyclonic at first in southeast.
- Sea state
- Moderate, occasionally rough in south and slight in north.
- Weather
- Occasional rain or drizzle, fog banks.
- Visibility
- Moderate to very poor.
Norwegian Basin
- Wind
- Cyclonic, mainly southeasterly at first, 4 to 6, becoming variable 2 to 4 in northeast.
- Sea state
- Moderate, occasionally rough in west and slight in northeast.
- Weather
- Rain or showers, but fair in northeast.
- Visibility
- Good in northeast, elsewhere moderate or good, occasionally poor.
Outlook for the following 24 hours
Gales are expected in West Northern Section and West 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.