High seas forecast and storm warnings
The general synopsis for UK
At 201200UTC, low 68 north 06 west 991 expected 67 north 01 east 999 by 211200UTC. Low 49 north 62 west 990 expected 51 north 45 west 987 by that time. Low 42 north 29 west 1004 expected 46 north 27 west 1014 by that time. New low expected 64 north 19 west 1015 by 211200UTC. High 50 north 10 west 1021 expected 57 north 00 east 1030 by same time, high 71 north 40 west 1016 slow-moving, dissipating
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Easterly 3 to 5, occasionally 6 in west.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good occasionally poor.
Shannon
- Wind
- Variable 3 or less, becoming easterly 3 or 4, occasionally 5 later in south.
- Sea state
- Slight or moderate.
- Weather
- Fair.
- Visibility
- Good.
Rockall
- Wind
- Southwest 4 to 6, becoming variable 2 to 4.
- Sea state
- Moderate, becoming slight later in far south.
- Weather
- Fair.
- Visibility
- Good.
Bailey
- Wind
- Southwesterly 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Good occasionally moderate.
Faeroes
- Wind
- Southwesterly 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Good occasionally moderate.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Good occasionally moderate.
East Northern Section
In north
- Wind
- Cyclonic 4 to 6, occasionally 7 at first in far east, becoming variable 2 to 4 in west.
- Sea state
- Slight or moderate, occasionally rough at first in far east.
- Weather
- Showers, occasional rain at first.
- Visibility
- Good, occasionally poor at first.
In south
- Wind
- Southwesterly, backing southerly, 3 or 4, occasionally 5 at first in east.
- Sea state
- Moderate, occasionally slight later.
- Weather
- Showers at first.
- Visibility
- Good.
West Northern Section
In north
- Wind
- Variable 2 to 4.
- Sea state
- Rough becoming moderate becoming slight later.
- Weather
- Occasional rain or showers in east.
- Visibility
- Good, occasionally moderate in east.
In southeast
- Wind
- Variable 2 to 4, becoming southeasterly 3 to 5, occasionally 6 later.
- Sea state
- Moderate, occasionally slight later.
- Weather
- Showers then fair.
- Visibility
- Good.
In southwest
- Wind
- Variable 2 to 4, becoming easterly or southeasterly 4 to 6.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Showers, occasional rain later.
- Visibility
- Good, occasionally poor later.
East Central Section
In north
- Wind
- Variable 2 to 4, then easterly3 to 5, occasionally 6 later in east.
- Sea state
- Moderate, occasionally slight.
- Weather
- Occasional rain and drizzle later.
- Visibility
- Good becoming moderate, occasionally poor later.
In south
- Wind
- Easterly or northeasterly 4 to 6, becoming variable 2 to 4 later.
- Sea state
- Moderate, occasionally rough at first in west.
- Weather
- Occasional rain or drizzle, fog patches.
- Visibility
- Moderate or poor, occasionally very poor.
West Central Section
In southeast
- Wind
- Northeasterly, backing southerly or southeasterly later, 4 to 6, occasionally 7 later.
- Sea state
- Moderate, occasionally rough.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
In west
- Wind
- Southeasterly 4 to 6, increasing 7 or gale 8, then veering southwesterly 4 to 6 later in south.
- Sea state
- Moderate or rough, occasionally very rough in north.
- Weather
- Fair then rain and drizzle, fog patches for a time, showers later in south.
- Visibility
- Moderate or good, occasionally very poor.
In northeast
- Wind
- Variable 2 to 4, becoming southeasterly 4 to 6, occasionally 7 later.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Occasional rain later.
- Visibility
Denmark Strait
- Wind
- Northerly or northeasterly 3 to 5 at first in southeast, otherwise variable 2 to 4, becoming southwesterly 2 to 4 in northwest.
- Sea state
- Slight or moderate, occasionally rough at first in far east.
- Weather
- Occasional rain at first in far southeast, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north.
North Iceland
- Wind
- Cyclonic 5 to 7, occasionally gale 8 at first in southeast, becoming northerly or northwesterly 4 to 6, then becoming variable 2 to 4 later in west.
- Sea state
- Slight in far northwest, otherwise moderate or rough occasionally very rough at first in south.
- Weather
- Rain or showers for a time in east, fog patches in far northwest.
- Visibility
- Moderate or good, occasionally very poor in far northwest.
Norwegian Basin
- Wind
- Southwesterly, veering westerly, 5 to 7, occasionally 4 later in far southwest.
- Sea state
- Moderate or rough, occasionally very rough in far north.
- Weather
- Squally showers, occasional rain at first in north.
- Visibility
- Good, occasionally moderate at first in north.
Outlook for the following 24 hours
Gales expected in West 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.