High seas forecast and storm warnings
The general synopsis for UK
At 260000UTC, low 52 north 40 west 995 expected 57 north 27 west 989 by 270000UTC. Low 73 north 10 west 997 expected 73 north 13 west 997 by same time. Low 68 north 12 west 998 moving steadily east, losing its identity. New high expected 63 north 06 east 1016 by 270000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic, becoming south or southwest, 4 to 6.
- Sea state
- Moderate, occasionally rough in west.
- Weather
- Showers, thundery at first.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Cyclonic, becoming southwest later, 4 to 6.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- North 4 to 6, becoming cyclonic 3 to 5.
- Sea state
- Moderate.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- West 4 to 6, becoming variable 2 to 4, then east 4 or 5 later.
- Sea state
- Moderate, occasionally rough at first in northwest.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- West 4 or 5, becoming variable 2 to 4, then east 4 to 6 later.
- Sea state
- Moderate.
- Weather
- Rain later.
- Visibility
- Good, occasionally poor later.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, backing southeasterly 3 or 4 later.
- Sea state
- Moderate or rough.
- Weather
- Showers, rain later.
- Visibility
- Good, occasionally moderate.
East Northern Section
In north
- Wind
- Southwesterly backing southeasterly 4 to 6, then becoming cyclonic later in west.
- Sea state
- Moderate or rough.
- Weather
- Showers at first, then rain at times.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Variable 2 to 4 at first in east, otherwise southerly 5 to 7, becoming cyclonic later, occasionally gale 8 later in far southwest.
- Sea state
- Moderate or rough, occasionally very rough later in far southwest.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Southwesterly becoming cyclonic 3 to 5, occasionally 6 at first in northwest and later in southeast.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain in far southeast.
- Visibility
- Good, occasionally moderate in far southeast, and occasionally poor later in far northwest.
In south
- Wind
- Cyclonic, becoming northwesterly later, 5 to 7, occasionally gale 8 later in far east.
- Sea state
- Moderate or rough.
- Weather
- Rain at times, becoming mainly fair in west.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
In northwest
- Wind
- Southerly or southwesterly, veering westerly later, 6 to gale 8.
- Sea state
- Moderate or rough, becoming rough or very rough later.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast
- Wind
- Cyclonic 3 to 5, becoming westerly or southwesterly 5 to 7 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
West Central Section
In north
- Wind
- Cyclonic 5 to 7, becoming westerly or northwesterly 6 to gale 8.
- Sea state
- Rough or very rough.
- Weather
- Rain at times, fair later.
- Visibility
- Good, occasionally poor.
In south
- Wind
- Westerly or southwesterly, veering northwesterly, 5 to 7, occasionally gale 8 in northeast.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers at first.
- Visibility
- Good, occasionally moderate at first.
Denmark Strait
- Wind
- Southwesterly 3 to 5, becoming variable 2 to 4, then easterly or northeasterly 3 to 5 later.
- Sea state
- Slight or moderate.
- Weather
- Occasional drizzle and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In north
- Wind
- Cyclonic 3 to 5, becoming northerly 5 to 7 near ice edge.
- Sea state
- Moderate, occasionally rough in northwest.
- Weather
- Occasional rain and fog patches, with sleet or snow near ice edge.
- Visibility
- Moderate or poor, occasionally very poor.
In south
- Wind
- Westerly or southwesterly 4 to 6, becoming variable 2 to 4 later.
- Sea state
- Slight or moderate in west, moderate or rough in east.
- Weather
- Occasional rain in north.
- Visibility
- Moderate or good, occasionally poor in north.
Norwegian Basin
- Wind
- Southwesterly 3 to 5, becoming variable 2 to 4, then easterly 4 or 5 later in south.
- Sea state
- Moderate.
- Weather
- Rain at first.
- Visibility
- Good, occasionally poor at first.
Outlook for the following 24 hours
Severe gales likely in East Northern Section and East Central Section, with gales also expected in Rockall, West Northern Section, West Central Section and Denmark Strait.
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.