High seas forecast and storm warnings
The general synopsis for UK
At 271200UTC, low 48 north 12 west 1002 losing its identity by 281200UTC. Low 65 north 16 west 1015 expected 71 north 05 west 1009 by same time. High 61 north 31 west 1022 declining by that time. at 271200UTC, low 56 north 41 west 1003 expected 55 north 41 west 1004 by 281200UTC. New low expected 57 north 01 west 996 by same time. New lows expected 51 north 20 west and 54 north 25 west both 1004 by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 4 to 6.
- Sea state
- Slight or moderate, occasionally rough at first in west.
- Weather
- Thundery rain or showers.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- North becoming cyclonic later, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate, and later poor.
Rockall
- Wind
- North or northeast 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- North or northeast 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Cyclonic 2 to 4, becoming northeast 3 to 5, occasionally 6 later.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate to very poor.
Southeast Iceland
- Wind
- Cyclonic 2 to 4, becoming northeast 3 to 5, occasionally 6 later.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate to very poor.
East Northern Section
In north
- Wind
- Northwesterly in north and northeasterly in south, 2 to 4, occasionally 5 at first in north.
- Sea state
- Slight occasionally moderate.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- Easterly 3 to 5, occasionally 6 later in northwest.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
- Wind
- Westerly 4 or 5 at first in far north and easterly 3 to 5 in far south, otherwise variable 2 to 4.
- Sea state
- Moderate or rough, occasionally slight in northeast.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
In east
- Wind
- Northerly or northwesterly 3 to 5, occasionally 6 at first in southeast, becoming cyclonic 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, occasionally slight in north.
- Weather
- Occasional rain then showers later.
- Visibility
- Moderate or good, occasionally poor at first.
In west
- Wind
- Southerly or southwesterly, becoming cyclonic, then northwesterly later, 4 to 6, occasionally 7 later in north.
- Sea state
- Moderate or rough, occasionally slight in north.
- Weather
- Occasional rain then showers later.
- Visibility
- Moderate or good, occasionally poor at first.
West Central Section
- Wind
- Cyclonic at first in north, otherwise westerly or northwesterly, 4 to 6, occasionally 7 in north.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Denmark Strait
- Wind
- Westerly or southwesterly, becoming cyclonic, 2 to 4, occasionally 5 at first in south.
- Sea state
- Slight occasionally moderate in far south.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
- Wind
- Cyclonic becoming northerly or northwesterly, 3 to 5.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional rain or drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
In east
- Wind
- Variable becoming cyclonic later, 2 to 4, increasing 5 or 6 later in east.
- Sea state
- Slight.
- Weather
- Mainly fair.
- Visibility
- Mainly good.
In west
- Wind
- Southerly or southeasterly backing northerly or northeasterly later, 3 to 5.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional rain, fog patches in far west.
- Visibility
- Moderate or good, occasionally very poor in far west.
Outlook for the following 24 hours
No gales expected.
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.