High seas forecast and storm warnings
The general synopsis for UK
At 060001UTC low 55 north 22 west 994 expected 61 north 18w 981 by 070001UTC. Low 59 north 29 west 1001 expected to lose its identity by same time. Low 60 north 35 west 999 expected to lose its identity by that time. at 060001UTC slow moving high 64 north 45 west 1019 expected 1016 by 070001UTC. High 71 north 05 east 1014 expected to dissipate by same time. New low expected 74 north 10 west 994 by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southerly or southwesterly 5 or 6, veering westerly or northwesterly 4 or 5 for a time.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
Shannon
- Wind
- Cyclonic 6 to gale 8.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
Rockall
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
Bailey
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
Faeroes
- Wind
- Southeast 5 or 6 becoming cyclonic 6 to gale 8.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
Southeast Iceland
- Wind
- Southeast 5 or 6 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
East Northern Section
In northeast
- Wind
- Easterly or northeasterly 5 to 7 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Moderate becoming rough or very rough, occasionally high later.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic becoming southwesterly 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Moderate or rough becoming very rough or high.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic 5 to 7, increasing gale 8 for a time, becoming westerly or northwesterly later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Northerly or northeasterly 5 to 7, increasing gale 8 for a time, becoming northwesterly later.
- Sea state
- Slight or moderate becoming rough or very rough.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In northeast
- Wind
- Northerly or northeasterly 4 or 5 backing northwesterly, increasing 6 later in east.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Rain or showers, perhaps thundery at times, until later.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic 5 to 7 becoming westerly or northwesterly 5 or 6.
- Sea state
- Moderate or rough, becoming very rough for a time.
- Weather
- Rain or showers, perhaps thundery at times, until later.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic 6 to gale 8 becoming northwesterly 4 or 5, backing westerly or southwesterly 5 or 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers at first.
- Visibility
- Moderate or good, occasionally poor at first.
In northwest
- Wind
- Variable 3 or 4 becoming southwesterly 4 or 5, veering westerly or northwesterly 3 or 4 later.
- Sea state
- Slight or moderate.
- Weather
- Showers and fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
East Central Section
In northeast
- Wind
- Westerly or southwesterly 5 to 7, increasing gale 8 for a time, rough or very rough.
- Sea state
- Rain or showers, thundery at times.
- Weather
- Moderate or good, occasionally poor.
- Visibility
In southeast
- Wind
- Westerly or northwesterly 5 or 6, backing southwesterly later.
- Sea state
- Rough or very rough, occasionally moderate later.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Westerly or southwesterly 5 or 6, becoming cyclonic later.
- Sea state
- Rough or very rough, occasionally moderate later.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Westerly or southwesterly 5 to 7, increasing gale 8 for a time, veering northwesterly later in west.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In northeast
- Wind
- Cyclonic 5 to 7, increasing gale 8 for a time, becoming northwesterly 5 or 6 later.
- Sea state
- Moderate or rough, becoming very rough for a time.
- Weather
- Rain or showers, perhaps thundery at first.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Westerly or southwesterly 5 or 6 becoming variable 3 or 4, becoming cyclonic 5 or 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery at first.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Variable 3 or 4 becoming cyclonic 5 or 6, increasing 7 for a time.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Westerly or northwesterly 5 to 7, increasing gale 8 for a time, becoming variable 3 or 4 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
In north
- Wind
- Southerly or southwesterly 5 or 6 becoming cyclonic 4 or 5 then variable 3 or 4.
- Sea state
- Slight or moderate, occasionally smooth later.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southeast
- Wind
- Variable 3 or 4 becoming northerly or northeasterly 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Fog patches at first, rain or showers later.
- Visibility
- Moderate or good, occasionally very poor at first, occasionally poor later.
In southwest
- Wind
- Southwesterly 4 or 5 becoming variable 3 or 4, becoming northerly or northeasterly later.
- Sea state
- Slight or moderate.
- Weather
- Fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
North Iceland
In northeast
- Wind
- Southerly or southwesterly 5 or 6 becoming cyclonic 4 or 5, becoming northerly later.
- Sea state
- Slight or moderate, becoming rough for a time.
- Weather
- Showers.
- Visibility
- Moderate or good.
In southeast
- Wind
- Variable 3 or 4 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Slight or moderate becoming rough or very rough.
- Weather
- Fog patches at first, rain or showers perhaps thundery at times later.
- Visibility
- Moderate or good, occasionally very poor at first, occasionally poor later.
In southwest
- Wind
- Southerly becoming variable 3 or 4, becoming northerly or northeasterly 4 or 5 later.
- Sea state
- Slight or moderate.
- Weather
- Fog patches at first, rain or showers later.
- Visibility
- Moderate or good, occasionally very poor at first, occasionally poor later.
In northwest
- Wind
- Southerly or southwesterly becoming cyclonic 5 or 6, becoming variable 3 or 4 later.
- Sea state
- Slight or moderate, becoming rough for a time.
- Weather
- Showers at first.
- Visibility
- Moderate or good.
Norwegian Basin
In east
- Wind
- Westerly or southwesterly 4 or 5 backing southerly or southeasterly 5 to 7, increasing gale 8 for a time, veering southwesterly 5 or 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery for a time.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Southerly or southwesterly 4 or 5 backing easterly or southeasterly 5 to 7, increasing gale 8 for a time, veering southerly or southwesterly 5 or 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery at times.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Severe gales are expected in Rockall, Bailey, Faeroes, Southeast Iceland, East Northern Section and the southeast of north Iceland. Gales are expected in Shannon, East Central Section, West Central Section and Norwegian Basin. Widespread fog is not expected.
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.