High seas forecast and storm warnings
The general synopsis for UK
At 301200UTC, low 57 north 19 west 954 expected 65 north 25 west 971 by 011200UTC. New high expected 42 north 14 west 1029 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southwesterly 4 to 6.
- Sea state
- Rough or very rough, occasionally high in west.
- Weather
- Showers, perhaps thundery.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Southwesterly, gale 8 or severe gale 9 at first in far northwest, otherwise 5 to 7.
- Sea state
- Very rough or high.
- Weather
- Rain or showers.
- Visibility
- Moderate or poor.
Rockall
- Storm warning
-
Issued:
At 301200UTC, low 57 north 19 west 954 expected 65 north 25 west 971 by 011200UTC. Winds are expected to reach storm force 10 between 50 and 250 miles of the centre in the eastern semicircle until 010100UTC, also in the southwestern quadrant until 302100UTC. Northeasterly winds are also expected to reach storm force 10 between 66 and 70 north in Denmark Strait until 011600UTC.
- Wind
- South or southwest gale 8 to storm 10, decreasing 5 to 7.
- Sea state
- Very rough or high, occasionally very high at first.
- Weather
- Occasional rain.
- Visibility
- Moderate or poor.
Bailey
- Storm warning
-
Issued:
At 301200UTC, low 57 north 19 west 954 expected 65 north 25 west 971 by 011200UTC. Winds are expected to reach storm force 10 between 50 and 250 miles of the centre in the eastern semicircle until 010100UTC, also in the southwestern quadrant until 302100UTC. Northeasterly winds are also expected to reach storm force 10 between 66 and 70 north in Denmark Strait until 011600UTC.
- Wind
- Southeast gale 8 to storm 10, veering south 6 to gale 8.
- Sea state
- Very rough or high, occasionally very high at first.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Southeasterly veering southerly, 6 to gale 8, occasionally severe gale 9 at first.
- Sea state
- Very rough or high.
- Weather
- Showers.
- Visibility
- Good occasionally poor.
Southeast Iceland
- Wind
- Southeasterly veering southerly, 6 to gale 8, occasionally severe gale 9 at first.
- Sea state
- Very rough or high, occasionally very high.
- Weather
- Showers.
- Visibility
- Good occasionally poor.
East Northern Section
- Storm warning
-
Issued:
At 301200UTC, low 57 north 19 west 954 expected 65 north 25 west 971 by 011200UTC. Winds are expected to reach storm force 10 between 50 and 250 miles of the centre in the eastern semicircle until 010100UTC, also in the southwestern quadrant until 302100UTC. Northeasterly winds are also expected to reach storm force 10 between 66 and 70 north in Denmark Strait until 011600UTC.
In northeast
- Wind
- Easterly becoming cyclonic then southwesterly later, 6 to gale 8, occasionally severe gale 9 at first in east.
- Sea state
- Very rough or high.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Cyclonic 7 to severe gale 9, occasionally storm 10 at first, becoming westerly or southwesterly 6 to gale 8, occasionally 5 later.
- Sea state
- Very rough or high, occasionally very high at first.
- Weather
- Rain or showers, perhaps thundery later.
- Visibility
- Moderate or good, occasionally poor.
In northwest
- Wind
- Easterly becoming cyclonic then southwesterly later, 4 to 6, occasionally 7.
- Sea state
- Very rough, occasionally high at first and rough later.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 at first, becoming 4 to 6 later.
- Sea state
- Very rough or high, occasionally rough in west.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly or northwesterly 6 to gale 8, occasionally severe gale 9 at first.
- Sea state
- Very rough or high, occasionally rough in west.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
In north
- Wind
- Westerly 6 to gale 8, occasionally severe gale 9 at first in far north, decreasing 4 to 6 later.
- Sea state
- Very rough or high, occasionally rough later in southwest.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly 5 to 7, occasionally 4 later.
- Sea state
- Rough or very rough, occasionally high at first in northeast.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
- Wind
- Westerly 5 to 7, becoming cyclonic 4 to 6 later in south.
- Sea state
- Rough or very rough, occasionally moderate in west.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
- Storm warning
-
Issued:
At 301200UTC, low 57 north 19 west 954 expected 65 north 25 west 971 by 011200UTC. Winds are expected to reach storm force 10 between 50 and 250 miles of the centre in the eastern semicircle until 010100UTC, also in the southwestern quadrant until 302100UTC. Northeasterly winds are also expected to reach storm force 10 between 66 and 70 north in Denmark Strait until 011600UTC.
In north
- Wind
- Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 from 70 north southwards.
- Sea state
- Very rough or high, occasionally very high at first in far south.
- Weather
- Occasional rain, sleet, snow and freezing rain.
- Visibility
- Moderate to very poor. Light icing in far north with temperatures around ms02.
In south
- Wind
- Northeasterly 7 to severe gale 9, occasionally storm 10 from 66 north northwards, becoming cyclonic 6 to gale 8 later, occasionally severe gale 9 in north.
- Sea state
- Very rough or high.
- Weather
- Occasionally very high at first in east.
- Visibility
- Occasional rain, sleet and in north snow. Moderate to very poor.
North Iceland
In far northwest
- Wind
- Northerly or northeasterly 6 to gale 8, occasionally severe gale 9 in far west.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain, sleet, snow and freezing rain.
- Visibility
- Moderate to very poor. Light icing with temperatures around ms02, occasionally moderate with temperatures ms03 to ms05.
In rest of area north of jan mayen
- Wind
- Easterly or northeasterly, veering southeasterly, 4 to 6.
- Sea state
- Rough or very rough, occasionally moderate in northeast.
- Weather
- Occasional rain and in north sleet and snow, fog patches.
- Visibility
- Moderate to very poor.
In rest of area south of jan mayen
- Wind
- Easterly or southeasterly 5 to 7, occasionally gale 8 in south.
- Sea state
- Rough or very rough, becoming very rough or high later.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate to very poor.
Norwegian Basin
In east
- Wind
- Southeasterly 4 to 6, becoming cyclonic 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Southerly or southeasterly, 6 to gale 8, decreasing 3 to 5 later.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Storms expected in Denmark Strait with severe gales in north Iceland.
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.