High seas forecast and storm warnings
The general synopsis for UK
At 241200UTC, low 66 north 16 west 1001 expected 70 north 10 west 999 by 251200UTC. Lows 52 north 23 west 1015 and 60 north 42 west 1004 both losing their identities by same time. High 56 north 06 west 1022 expected 56 north 04 east with little change by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 3 to 5, becoming northerly 6 or 7 later in far west.
- Sea state
- Moderate, occasionally slight in east.
- Weather
- Thundery showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Shannon
- Wind
- Northerly or northeasterly 4 to 6, occasionally 7 later in west.
- Sea state
- Slight at first in east, otherwise moderate, occasionally rough later in far southwest.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Southwesterly 3 to 5, becoming variable 2 to 4, then northeasterly 4 to 6 later in south.
- Sea state
- Moderate, occasionally rough at first in far northwest.
- Weather
- Rain or showers, thundery later.
- Visibility
- Moderate or good, occasionally poor later.
Bailey
- Wind
- Southwest 4 or 5, increasing 6 at times.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, thundery later.
- Visibility
- Moderate or good, occasionally poor.
Faeroes
- Wind
- Southwest 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, thundery later.
- Visibility
- Moderate or good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, occasionally 7 later near iceland.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
East Northern Section
- Wind
- Variable 3 or less at first in far northwest, otherwise westerly or southwesterly 4 to 6.
- Sea state
- Moderate, occasionally rough in south and east.
- Weather
- Occasional rain or showers.
- Visibility
- Good, occasionally moderate.
West Northern Section
- Wind
- Variable 2 to 4 in far north, otherwise westerly or southwesterly 4 to 6.
- Sea state
- Moderate, occasionally rough in south, becoming moderate later in northwest.
- Weather
- Occasional rain or showers.
- Visibility
- Good, occasionally moderate.
East Central Section
In northwest of area
- Wind
- Northerly or northwesterly, backing southwesterly later in north, 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional rain at first.
- Visibility
- Good, occasionally moderate at first.
In southeast of area
- Wind
- Northerly or northeasterly 4 to 6, increasing 7 at times later in east.
- Sea state
- Rain or showers, perhaps thundery later.
- Weather
- Moderate or good, occasionally poor.
- Visibility
West Central Section
- Wind
- Northwesterly in far southeast, otherwise westerly or southwesterly, 3 to 5, backing southerly 6 to gale 8 later in west.
- Sea state
- Moderate, occasionally rough later in far southwest.
- Weather
- Showers at first in north, rain later in west.
- Visibility
- Good, becoming moderate to poor later in west.
Denmark Strait
- Wind
- Variable, becoming southwest later, 2 to 4.
- Sea state
- Slight, occasionally moderate in south and smooth in north.
- Weather
- Rain or drizzle at times, fog banks.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In north of area
- Wind
- Southerly, becoming cyclonic in southeast, 3 to 5.
- Sea state
- Slight, becoming moderate in southeast.
- Weather
- Rain or drizzle, fog banks in west, fog patches in east.
- Visibility
- Moderate to poor, occasionally very poor.
In south of area
- Wind
- Cyclonic becoming southwesterly, 3 to 5, occasionally 6 in east, then increasing 6 or 7 later in far south.
- Sea state
- Slight in west, moderate in east, occasionally rough later in far south.
- Weather
- Occasional rain or drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic becoming southwesterly, 4 to 6.
- Sea state
- Moderate, but slight at first in far northeast.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Risk of severe gales in West Central Section. Risk of gales in East Northern Section and East 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.