High seas forecast and storm warnings
The general synopsis for UK
At 120000UTC, low 57 north 25 west 992 expected 62 north 23 west 999 by 130000UTC. Low 44 north 25 west 1009 expected 51 north 16 west 1015 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southerly or southwesterly 3 to 5. in east, variable 2 to 4.
- Sea state
- In west, moderate. in east, slight or moderate.
- Weather
- In west, showers, perhaps thundery. in east, mainly fair.
- Visibility
- In west, good, occasionally moderate. in east, good, occasionally moderate at first and poor later.
Shannon
- Wind
- South 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- South 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Bailey
- Wind
- South 4 or 5, occasionally 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Faeroes
- Wind
- Southerly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, perhaps thundery, fog banks.
- Visibility
- Moderate to very poor.
Southeast Iceland
- Wind
- Cyclonic in northwest but southerly in southeast, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, perhaps thundery, fog banks.
- Visibility
- Moderate to very poor.
East Northern Section
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain, drizzle or showers, perhaps thundery in north, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north and poor in south.
West Northern Section
- Wind
- Cyclonic mainly northerly or northwesterly, 4 to 6, becoming variable 2 to 4 in west.
- Sea state
- Slight or moderate in far northwest, but elsewhere moderate or rough.
- Weather
- Rain or drizzle at times, mainly in east, fog patches in east and in far northwest.
- Visibility
- Moderate or good, occasionally very poor in east and in far northwest.
East Central Section
In northern half of the area
- Wind
- Southwesterly becoming cyclonic, 4 to 6.
- Sea state
- Rough, becoming moderate later.
- Weather
- Rain or showers, perhaps thundery in east.
- Visibility
- Moderate or good, occasionally poor in east.
In southern half of the area
- Wind
- Cyclonic 3 to 5, becoming westerly or northwesterly 2 to 4 later.
- Sea state
- Moderate or rough, becoming moderate.
- Weather
- Thundery rain or showers, but becoming mainly fair in west.
- Visibility
- Moderate or good, occasionally poor in east.
West Central Section
In northeastern half of the area
- Wind
- Cyclonic becoming northwesterly 4 to 6, backing westerly 2 to 4 later.
- Sea state
- Moderate or rough, becoming moderate later.
- Weather
- Rain or showers, perhaps thundery at first, becoming fair later.
- Visibility
- Good, occasionally poor at first and moderate later.
In southwestern half of the area
- Wind
- Northwesterly becoming variable 2 to 4, then becoming southeasterly 4 to 6 later.
- Sea state
- Moderate or rough, becoming moderate.
- Weather
- Fair, but then rain later in far southwest.
- Visibility
- Good, occasionally moderate later in far southwest.
Denmark Strait
- Wind
- Easterly or northeasterly 3 to 5 backing northerly or northeasterly 4 to 6, occasionally 7 later in east, perhaps gale 8 later in east between 68 north and 70 north.
- Sea state
- Slight or moderate, becoming moderate or rough to the south of 70 north.
- Weather
- Occasional rain in east and south, fog banks until later.
- Visibility
- Moderate or good, occasionally very poor until later.
North Iceland
In far northeast
- Wind
- Northwesterly 4 or 5 becoming variable 2 to 4.
- Sea state
- Moderate, occasionally slight later.
- Weather
- Mainly fair.
- Visibility
- Good.
In the rest of the area
- Wind
- Easterly or southeasterly 3 to 5, veering southerly 4 or 5 in far southeast but backing easterly or northeasterly 4 to 6 elsewhere.
- Sea state
- Moderate in east, but in west, slight or moderate, becoming moderate or rough later.
- Weather
- Rain spreading northwards, fog banks except in northeast.
- Visibility
- Moderate or good in northeast, but elsewhere moderate to very poor.
Norwegian Basin
In western half of the area
- Wind
- Southerly or southeasterly 4 to 6, veering southwesterly 4 later.
- Sea state
- Moderate.
- Weather
- Rain, then drizzle and fog banks later.
- Visibility
- Moderate or poor, occasionally very poor later.
In eastern half of the area
- Wind
- Southerly or southwesterly backing southeasterly, 3 to 5, veering southerly or southwesterly 5 to 7 later, perhaps gale 8 later.
- Sea state
- Moderate, becoming rough later.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Risk of gales in eastern Denmark Strait and eastern Norwegian Basin.
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.