High seas forecast and storm warnings
The general synopsis for UK
At 200000UTC, low 44 north 45 west 1016 expected 46 north 30 west 1014 by 210000UTC. High 52 north 35 west 1029 expected 54 north 30 west 1030 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- North or northwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- North or northwest 4 to 6, occasionally 7 at first.
- Sea state
- Rough, occasionally very rough at first, becoming moderate later.
- Weather
- Showers, squally at first.
- Visibility
- Moderate or good, occasionally poor at first.
Rockall
- Wind
- North or northwest 4 to 6.
- Sea state
- Moderate or rough, becoming moderate later.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- North or northwest 3 to 5.
- Sea state
- Moderate, occasionally rough at first in southeast.
- Weather
- Showers.
- Visibility
- Good.
Faeroes
- Wind
- North 4 to 6, backing northwest 3 to 5 later.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- Northerly 4 or 5 at first in east, otherwise variable 2 to 4, becoming westerly 4 or 5 later in far west.
- Sea state
- Moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
East Northern Section
In southeastern half of area
- Wind
- Northerly or northwesterly, backing westerly later in northwest, 3 to 5.
- Sea state
- Moderate, occasionally rough at first in southeast.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
In northwestern half of area
- Wind
- Northwesterly at first in northeast, otherwise westerly or southwesterly, 3 to 5.
- Sea state
- Moderate, occasionally slight in far north.
- Weather
- Showers or drizzle at times.
- Visibility
- Good, occasionally poor.
West Northern Section
In north
- Wind
- Southwesterly 4 to 6, occasionally 3 in far northwest and increasing 7 at times later in southwest.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Drizzle at times, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Westerly at first in east, otherwise southwesterly, 3 to 5, increasing 6 later in northwest.
- Sea state
- Moderate.
- Weather
- Showers or drizzle, fog patches developing in northwest.
- Visibility
- Moderate or good, occasionally very poor in northwest.
East Central Section
In east
- Wind
- Northerly 4 or 5, occasionally 6 at first, veering easterly or northeasterly later except in far north.
- Sea state
- Moderate or rough.
- Weather
- Showers, rain later in far southwest.
- Visibility
- Moderate or good, occasionally poor later in far southwest.
In southwest
- Wind
- Variable 2 to 4, becoming easterly 4 to 6, increasing 6 to gale 8 later in south.
- Sea state
- Moderate, occasionally rough later in southwest.
- Weather
- Showers, then occasional rain in south.
- Visibility
- Moderate or good, occasionally poor in south.
In northwest
- Wind
- Northerly or northeasterly 3 or 4, becoming variable 2 or 3 in northwest.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Showers.
- Visibility
- Good.
West Central Section
In northeast
- Wind
- Variable 2 to 4.
- Sea state
- Moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In south
- Wind
- Cyclonic 4 to 6, occasionally 7 later in southeast.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain or drizzle at times with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In northwest
- Wind
- Variable 3 or less at first in north, otherwise easterly or southeasterly 3 to 5.
- Sea state
- Moderate, occasionally slight at first.
- Weather
- Fair.
- Visibility
- Good.
Denmark Strait
- Wind
- Cyclonic, mainly southwesterly at first, 3 to 5, decreasing 2 at times.
- Sea state
- Slight, occasionally moderate in south.
- Weather
- Drizzle and fog patches except in far northeast.
- Visibility
- Moderate or good in far northeast, but elsewhere moderate to very poor.
North Iceland
In north
- Wind
- Variable 2 to 4.
- Sea state
- Slight, occasionally moderate in far southeast.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southeast
- Wind
- Northerly or northwesterly 3 to 5.
- Sea state
- Moderate, occasionally rough in southeast.
- Weather
- Occasional drizzle.
- Visibility
- Good, occasionally poor.
In southwest
- Wind
- Westerly or northwesterly 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional drizzle or showers, fog patches in north and west.
- Visibility
- Moderate or good, occasionally very poor in north and west.
Norwegian Basin
- Wind
- Cyclonic 3 to 5 in far northeast, otherwise northerly or northwesterly 4 to 6, occasionally 7 in north.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers, becoming mainly fair in west.
- Visibility
- Good, occasionally poor in east and at first in west.
Outlook for the following 24 hours
Risk of severe gales in 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.