High seas forecast and storm warnings
The general synopsis for UK
At 050001UTC low 60 north 03 east 995 losing its identity by 060001UTC. Low 45 north 35 west 990 expected 53 north 21 west 991 by same time. High 48 north 45 west 1019 expected to dissipate by that time. at 050001UTC high 64 north 45 west 1022 expected 63 north 45 west 1019 by 060001UTC. New high expected 71 north 03 east 1014 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southerly or southeasterly 4 or 5 veering southwesterly 5 or 6. in east, westerly 4 or 5 backing southerly 5 or 6.
- Sea state
- In west, moderate or rough. in east, moderate, occasionally rough at first.
- Weather
- In west, rain later. in east, rain later.
- Visibility
- In west, moderate or good. in east, moderate or good.
Shannon
- Wind
- West 4 or 5 becoming cyclonic 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain later.
- Visibility
- Moderate or good, occasionally poor later.
Rockall
- Wind
- West 4 or 5 becoming cyclonic 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain later.
- Visibility
- Moderate or good, occasionally poor later.
Bailey
- Wind
- West or northwest 5 or 6 becoming cyclonic 5 to 7.
- Sea state
- Moderate or rough, occasionally very rough at first.
- Weather
- Showers then rain.
- Visibility
- Moderate or good, occasionally poor later.
Faeroes
- Wind
- Westerly or northwesterly 5 or 6, becoming cyclonic later.
- Sea state
- Moderate or rough, occasionally very rough at first.
- Weather
- Showers then rain.
- Visibility
- Moderate or good, occasionally poor later.
Southeast Iceland
- Wind
- Westerly or northwesterly 5 or 6, becoming cyclonic later.
- Sea state
- Moderate or rough.
- Weather
- Showers then rain.
- Visibility
- Moderate or good, occasionally poor later.
East Northern Section
In northeast
- Wind
- Westerly or southwesterly 4 or 5 backing easterly or northeasterly 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough.
- Weather
- Showers at first, rain later.
- Visibility
- Moderate or good, occasionally poor later.
In southeast
- Wind
- Southerly or southwesterly 4 or 5 becoming cyclonic 6 to gale 8.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Showers at first, rain later.
- Visibility
- Moderate or good, occasionally poor later.
In southwest
- Wind
- Southerly or southwesterly 3 or 4 becoming cyclonic 6 to gale 8, becoming northerly or northwesterly later.
- Sea state
- Moderate becoming rough or very rough later.
- Weather
- Showers at first, rain later.
- Visibility
- Moderate or good, occasionally poor later.
In northwest
- Wind
- Variable 3 or 4 becoming northeasterly 5 or 6.
- Sea state
- Slight or moderate, occasionally rough at first.
- Weather
- Showers at first, rain later.
- Visibility
- Moderate or good, occasionally poor later.
West Northern Section
In northeast
- Wind
- Variable 3 or 4 becoming northerly or northeasterly 4 or 5.
- Sea state
- Slight or moderate, occasionally rough at first.
- Weather
- Showers.
- Visibility
- Moderate or good, occasionally poor later.
In southeast
- Wind
- Cyclonic 4 or 5, occasionally 6 later.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Showers.
- Visibility
- Moderate or good, occasionally poor later.
In southwest
- Wind
- Northerly or northwesterly 5 to 7.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Showers.
- Visibility
- Moderate or good.
In northwest
- Wind
- Northerly or northeasterly 5 to 7, becoming variable 3 or 4 later.
- Sea state
- Rough or very rough becoming slight or moderate.
- Weather
- Showers until later.
- Visibility
- Moderate or good, occasionally poor later.
East Central Section
In northeast
- Wind
- Southerly or southeasterly 5 to 7 becoming cyclonic 6 to gale 8, becoming westerly later.
- Sea state
- Moderate or rough becoming very rough or high.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Southerly or southeasterly 5 to 7, increasing gale 8 for a time, becoming cyclonic 5 or 6 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic 7 to severe gale 9 becoming westerly or northwesterly 6 to gale 8, occasionally 5 later.
- Sea state
- Rough or very rough, becoming high for a time.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Cyclonic 5 to 7, increasing gale 8 for a time, becoming westerly later.
- Sea state
- Rough or very rough, occasionally moderate at first.
- Weather
- Moderate or good, occasionally poor.
- Visibility
West Central Section
In northeast
- Wind
- Variable 3 or 4 becoming northwesterly 5 to 7, backing westerly later.
- Sea state
- Moderate or rough, becoming very rough for a time.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic 7 to severe gale 9 becoming northwesterly 6 to gale 8, backing westerly 5 or 6 later.
- Sea state
- Very rough or high becoming moderate or rough.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Northwesterly 5 to 7 backing westerly 4 or 5, becoming variable 3 or 4 later.
- Sea state
- Very rough or high becoming moderate or rough.
- Weather
- Thundery rain then showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Westerly or northwesterly 4 or 5 increasing 6 or 7 later.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
In north
- Wind
- Southerly or southwesterly 4 or 5, occasionally 6 later.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southeast
- Wind
- Easterly or northeasterly 4 or 5 becoming variable 3 or 4.
- Sea state
- Slight or moderate, occasionally rough at first.
- Weather
- Showers, fog patches later.
- Visibility
- Moderate or good, occasionally very poor later.
In southwest
- Wind
- Northeasterly 5 to 7 becoming variable 3 or 4.
- Sea state
- Rough or very rough becoming slight or moderate.
- Weather
- Showers, fog patches later.
- Visibility
- Moderate or good, occasionally very poor later.
North Iceland
In northeast
- Wind
- Variable 3 or 4 becoming southerly or southwesterly 5 or 6.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southeast
- Wind
- Cyclonic 4 or 5 becoming variable 3 or 4.
- Sea state
- Slight or moderate, occasionally rough at first.
- Weather
- Showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Easterly or northeasterly 4 or 5 becoming variable 3 or 4.
- Sea state
- Slight or moderate, occasionally rough at first.
- Weather
- Showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In northwest
- Wind
- Southerly or southwesterly 4 or 5, occasionally 6 later.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Moderate or good.
Norwegian Basin
In northeast
- Wind
- Variable 3 or 4 becoming westerly or southwesterly 4 or 5.
- Sea state
- Slight or moderate, becoming rough for a time.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southeast
- Wind
- Cyclonic 5 or 6 becoming westerly 4 or 5, backing southwesterly later.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southwest
- Wind
- Cyclonic becoming westerly 4 or 5, backing southerly or southeasterly 3 or 4 later.
- Sea state
- Moderate or rough.
- Weather
- Showers at first, rain later.
- Visibility
- Moderate or good, occasionally poor later.
In northwest
- Wind
- Variable becoming southerly or southwesterly 3 or 4.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
Outlook for the following 24 hours
No storms are expected. Severe gales are expected in Rockall, Bailey, Southeast Iceland and East Northern Section. Gales are expected in Shannon, Faeroes 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.