High seas forecast and storm warnings
The general synopsis for UK
At 291200UTC low 61 north 41 west 949 expected 61 north 40 west 984 by 301200UTC. High 73 north 18 west 1012 expected to dissipate by same time. Low 68 north 06 east 998 expected 60 north 28 east 1017 by that time. at 291200UTC low 44 north 26 west 1005 expected 49 north 16 west 1017 by 301200UTC.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southerly or southeasterly 5 or 6, becoming cyclonic later. in east, southerly or southeasterly 5 or 6, occasionally 4 later.
- Sea state
- In west, rough or very rough. in east, moderate or rough.
- Weather
- In west, occasional rain. in east, mainly fair.
- Visibility
- In west, moderate or good. in east, mainly good.
Shannon
- Wind
- South or southeast 6 to gale 8, becoming cyclonic 4 or 5 later.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Rockall
- Wind
- South or southeast 6 to gale 8, becoming cyclonic 4 or 5 later.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Bailey
- Wind
- South 6 to gale 8 becoming cyclonic 4 or 5, becoming west or southwest later.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Faeroes
- Wind
- Southerly becoming cyclonic 5 or 6.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Southeast Iceland
- Wind
- Southerly becoming cyclonic 5 or 6.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
East Northern Section
In northeast
- Wind
- Cyclonic becoming southerly or southwesterly 5 or 6.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Northwesterly 4 or 5 backing southerly or southwesterly 5 or 6.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Southerly or southwesterly 5 or 6.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In northeast
- Wind
- Cyclonic 6 to gale 8, occasionally 5 later.
- Sea state
- Very rough or high, occasionally rough later.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Southerly or southwesterly 5 to 7.
- Sea state
- Very rough or high, occasionally rough later.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic 7 to severe gale 9 becoming southwesterly 5 to 7, very rough or high, occasionally rough later.
- Sea state
- Wintry showers.
- Weather
- Moderate or good, occasionally poor.
- Visibility
In northwest
- Wind
- Cyclonic gale 8 or severe gale 9 decreasing 5 to 7.
- Sea state
- Very rough or high, occasionally rough later.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
In northeast
- Wind
- Northwesterly 4 or 5 becoming variable 3 or 4.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic 7 to severe gale 9 becoming northerly or northwesterly 4 or 5.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Northwesterly 7 to severe gale 9 backing westerly or southwesterly 4 or 5.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Southerly or southwesterly 4 or 5, increasing 6 for a time, veering westerly later in the west.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In east
- Wind
- Westerly or southwesterly 5 or 6, occasionally 4 later.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Westerly or southwesterly 5 to 7 becoming cyclonic 5 or 6 later.
- Sea state
- Rough or very rough, occasionally high at first in far north.
- Weather
- Wintry showers then rain.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
In an area north of 70 north
- Wind
- Variable 3 or 4 becoming cyclonic 5 or 6, becoming southerly or southwesterly later.
- Sea state
- Slight or moderate.
- Weather
- Wintry showers, sleet or snow for a time.
- Visibility
- Moderate or good, occasionally poor, becoming poor or very poor for a time.
In an area south of 70 north
- Wind
- Cyclonic 5 to 7, occasionally gale 8 at first.
- Sea state
- Very rough or high becoming moderate or rough.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
North Iceland
In north
- Wind
- Southerly 3 or 4 becoming cyclonic 5 or 6, becoming southerly or southwesterly later.
- Sea state
- Moderate or rough, occasionally slight at first.
- Weather
- Rain or sleet with fog patches for a time.
- Visibility
- Moderate or good, becoming poor or very poor for a time.
In southeast
- Wind
- Southerly or southeasterly becoming cyclonic 5 or 6, becoming westerly or northwesterly 4 or 5 later.
- Sea state
- Moderate or rough, becoming very rough for a time.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Cyclonic 5 or 6 becoming southerly or southwesterly 4 or 5.
- Sea state
- Moderate or rough.
- Weather
- Wintry showers.
- Visibility
- Moderate or good, occasionally poor.
Norwegian Basin
In east
- Wind
- Westerly 5 or 6 backing southerly or southwesterly 5 to 7, occasionally gale 8 later in south.
- Sea state
- Moderate or rough, occasionally very rough at first in north.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Cyclonic 4 or 5 becoming southerly or southwesterly 5 or 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
No storms are expected. Gales are expected in East Northern Section, West Northern Section, West Central Section, Denmark Strait, 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.