High seas forecast and storm warnings
The general synopsis for UK
At 281200UTC, high 54 north 05 east 1028 expected 46 north 17 east 1024 by 291200UTC. New low 61 north 22 west 1000 expected by same time. Low 46 north 40 west 987 losing its identity by that time. at 281200UTC, low 49 north 38 west 987 expected 53 north 34 west by 291200UTC. Low 74 north 04 east 1002 expected 72 north 04 east 1002 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly 3 to 5, backing south 4 to 6 later in west.
- Sea state
- Slight or moderate, becoming moderate or rough later in west.
- Weather
- Fair.
- Visibility
- Good.
Shannon
- Wind
- South or southwest 4 to 6, occasionally 7 for a time.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- South or southwest 4 to 6, occasionally 7 for a time.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Bailey
- Wind
- Cyclonic becoming west or southwest, 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Rain or showers, fog patches.
- Visibility
- Good, occasionally very poor.
Faeroes
- Wind
- Easterly or southeasterly 3 to 5, becoming variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Southeast Iceland
- Wind
- In southeast, easterly or southeasterly 3 to 5, becoming variable 2 to 4. in northwest, easterly or northeasterly 6 to gale 8, occasionally 5 at first, and severe gale 9 at times in northwest.
- Sea state
- In southeast, slight or moderate. in northwest, moderate or rough, becoming rough or very rough.
- Weather
- In southeast, showers, fog patches. in northwest, rain.
- Visibility
- In southeast, moderate or good, occasionally very poor. in northwest, moderate or poor.
East Northern Section
In north
- Wind
- Cyclonic 4 to 6, occasionally 3 at first, becoming mainly northeasterly 5 to 7, but 7 to severe gale 9 in northeast.
- Sea state
- Moderate or rough, becoming rough or very rough, occasionally moderate in north.
- Weather
- Occasional rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Cyclonic 3 to 5, occasionally 6 later in south.
- Sea state
- Moderate, becoming moderate or rough later.
- Weather
- Occasional rain or showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
- Wind
- Northeasterly 5 to 7, occasionally 4 in southeast and northwest.
- Sea state
- Slight or moderate becoming moderate or rough, occasionally very rough for a time in far southwest.
- Weather
- Occasional rain and drizzle with fog patches in south, mainly fair in north.
- Visibility
- Moderate or good, occasionally very poor until later in south.
East Central Section
- Wind
- Southwesterly 4 to 6 at first in northeast, otherwise cyclonic 5 to 7, occasionally gale 8 in south for a time, becoming mainly southerly or southwesterly 4 to 6 later, moderate or rough, becoming rough, occasionally very rough in southwest.
- Sea state
- Occasional rain or showers, perhaps thundery for a time.
- Weather
- Visibility
West Central Section
- Wind
- Cyclonic 5 to 7, decreasing 4 at times in central areas.
- Sea state
- Rough or very rough, occasionally very rough until later in northeast.
- Weather
- Rain or showers, thundery for a time, fog patches in north.
- Visibility
- Moderate or good, occasionally poor, but very poor at times in north.
Denmark Strait
- Wind
- Northeasterly 4 to 6, but 6 to gale 8 in southeast near Iceland, decreasing 2 or 3 at times in west near greenland coast.
- Sea state
- Moderate or rough, occasionally slight in east.
- Weather
- Wintry showers at first in far southeast, otherwise fair, good, occasionally poor at first in far southeast.
- Visibility
North Iceland
In north
- Wind
- Cyclonic, mainly northerly or northwesterly 4 to 6, but 6 to gale 8 at first in northeast, becoming variable 2 to 4 later in west.
- Sea state
- Moderate or rough, occasionally very rough until later in northeast.
- Weather
- Snow or snow showers until later, mainly in east.
- Visibility
- Moderate or good, occasionally very poor until later.
In south
- Wind
- Northerly or northeasterly 4 to 6, but 6 or 7 in southeast.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Occasional rain or sleet, fog patches in southeast.
- Visibility
- Moderate or good, occasionally very poor in southeast.
Norwegian Basin
- Wind
- Cyclonic 3 to 5, occasionally 6 in southeast and northwest, decreasing 2 or 3 later in south.
- Sea state
- Moderate.
- Weather
- Occasional rain and drizzle, showers later, fog patches, mainly in west.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for the following 24 hours
Severe gales expected in Southeast Iceland and east north 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.