High seas forecast and storm warnings
The general synopsis for UK
At 030000UTC, low 51 north 15 west 1004 expected 54 north 11 west with little change by 040000UTC. High 58 north 32 west 1026 expected 53 north 38 west 1028 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic mainly southwesterly, 3 to 5, occasionally 6 later in west.
- Sea state
- Moderate, occasionally slight at first in east, becoming rough at times later in west.
- Weather
- Showers, thundery at first.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Cyclonic 4 to 6, decreasing 3 at times, but occasionally 7 at first in far north.
- Sea state
- Moderate or rough.
- Weather
- Thundery showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- Northeast 4 to 6, increasing 7 at times.
- Sea state
- Moderate or rough.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- In southeast, northeasterly 4 to 6, occasionally 3 at first and 7 later. in northwest, variable 2 to 4.
- Sea state
- In southeast, moderate, occasionally rough later. in northwest, moderate.
- Weather
- Showers.
- Visibility
- Good.
Faeroes
- Wind
- Variable 2 to 4, becoming northeasterly 4 to 6 later in south.
- Sea state
- Moderate occasionally slight.
- Weather
- Showers.
- Visibility
- Good.
Southeast Iceland
- Wind
- Variable 2 to 4.
- Sea state
- Moderate occasionally slight.
- Weather
- Showers.
- Visibility
- Good.
East Northern Section
In north
- Wind
- Variable becoming westerly or northwesterly, 2 to 4, occasionally 5 later in northeast.
- Sea state
- Slight, occasionally moderate in south and east.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- Northerly or northeasterly 4 or 5, occasionally 6 in southeast, backing northwesterly 3 or 4 in northwest.
- Sea state
- Moderate, occasionally slight in northwest and rough in southeast.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
West Northern Section
In east
- Wind
- Westerly or southwesterly 3 or 4.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate later.
In west
- Wind
- Southwesterly 3 to 5, occasionally 6 in south, becoming cyclonic 2 to 4 later in north.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Showers, fog patches in far northwest and later elsewhere.
- Visibility
- Moderate or good, occasionally very poor in far northwest and later elsewhere.
East Central Section
In northeast
- Wind
- Cyclonic 3 to 5 at first in far southeast, otherwise northerly or northeasterly 5 or 6, occasionally 7 at first and 4 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, then showers, fog patches at first in far southeast.
- Visibility
- Moderate or good, occasionally very poor at first in far southeast and poor at first elsewhere.
In southeast
- Wind
- Cyclonic 3 to 5 at first in east, otherwise northwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain then showers.
- Visibility
- Moderate or good, occasionally poor at first.
In west
- Wind
- Northerly or northeasterly 4 or 5, occasionally 6 at first.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
West Central Section
In north
- Wind
- Northerly or northeasterly 3 to 5 in far east, otherwise variable 2 to 4.
- Sea state
- Moderate, occasionally slight in northwest.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- Easterly or northeasterly 4 or 5, occasionally 6 in far south.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate at first in far south.
Denmark Strait
- Wind
- Southerly 3 to 5 in far northeast, otherwise westerly or southwesterly, becoming variable later, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In southeastern half of area
- Wind
- Northerly or northwesterly 3 to 5, becoming variable 2 to 4.
- Sea state
- Moderate, becoming mainly slight.
- Weather
- Showers, fog patches at first in west and far east.
- Visibility
- Moderate or good, occasionally very poor at first in west and far east.
In northwestern half of area
- Wind
- Variable 2 to 4, becoming southerly or southwesterly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Fog patches in west.
- Visibility
- Moderate or good, occasionally very poor in west.
Norwegian Basin
In east
- Wind
- Westerly or southwesterly 4 to 6, becoming variable 2 to 4 later except in northeast.
- Sea state
- Moderate, becoming slight later.
- Weather
- Showers.
- Visibility
- Moderate or good, occasionally poor at first.
In west
- Wind
- Westerly or northwesterly 4 or 5, decreasing 2 to 4, then becoming variable later.
- Sea state
- Moderate, occasionally rough at first and slight later.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Outlook for the following 24 hours
Gales expected in Rockall with a risk of gales in Bailey.
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.