High seas forecast and storm warnings
The general synopsis for UK
At 210000UTC, low 68 north 08 west 992 expected 71 north 11 east 1005 by 220000UTC. Low Newfoundland 991 expected 54 north 45 west 992 by same time. High south Scotland 1025 expected 57 north 01 east 1032 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- East 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Slight or moderate.
- Weather
- Showers, thundery later in east, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Shannon
- Wind
- East or southeast 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Showers later.
- Visibility
- Good.
Rockall
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers later.
- Visibility
- Good, occasionally moderate later.
Bailey
- Wind
- Southwesterly 3 to 5, occasionally 6 at first.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Showers.
- Visibility
- Moderate or good.
Faeroes
- Wind
- Southwesterly 3 to 5, occasionally 6 at first.
- Sea state
- Moderate, occasionally rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
Southeast Iceland
- Wind
- Cyclonic becoming southwesterly, 3 to 5, occasionally 6 at first in south.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
East Northern Section
In northeast
- Wind
- Westerly or southwesterly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- South or southwest 3 or 4, backing southeast 4 or 5 later.
- Sea state
- Moderate occasionally slight.
- Weather
- Showers, rain later, fog patches later in far south.
- Visibility
- Good, becoming moderate or poor later, occasionally very poor later in far south.
In northwest
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good.
West Northern Section
In north
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers, good, occasionally moderate.
- Visibility
In south
- Wind
- Cyclonic becoming easterly or southeasterly, 3 to 5, increasing 5 to 7 in southwest and later elsewhere except in far northeast, perhaps gale 8 later in far southwest.
- Sea state
- Moderate, occasionally slight in northeast, becoming rough at times in southwest.
- Weather
- Showers, then occasional rain in southwest and also later elsewhere, fog patches later in south.
- Visibility
- Moderate or good, occasionally poor in southwest and also later elsewhere, becoming moderate to very poor later in south.
East Central Section
In north
- Wind
- Easterly or southeasterly, veering southerly later, 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers, then rain, drizzle, and fog patches in south and also later in north.
- Visibility
- Moderate or good, occasionally very poor in south and also later in north.
In south
- Wind
- Cyclonic 2 to 4, occasionally 5 at first in north and later in west.
- Sea state
- Moderate.
- Weather
- Rain, drizzle and fog patches.
- Visibility
- Moderate to very poor, occasionally good.
West Central Section
- Wind
- Variable 2 to 4 at first in far east, otherwise southerly or southeasterly 5 to 7, occasionally gale 8 at first, veering southwesterly 4 to 6 in southwest and later elsewhere.
- Sea state
- Moderate or rough, occasionally very rough in far west.
- Weather
- Showers at first in northeast, otherwise rain, drizzle and fog patches.
- Visibility
- Good at first in northeast, otherwise moderate or good, occasionally very poor.
Denmark Strait
- Wind
- Variable 2 to 4, becoming southerly or southwesterly 3 to 5 in north.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain later near iceland, fog patches near greenland.
- Visibility
- Moderate or good, occasionally very poor near greenland.
North Iceland
In northeast
- Wind
- Northerly 4 to 6, backing westerly or northwesterly, then southerly or southwesterly later, 3 to 5.
- Sea state
- Slight or moderate, occasionally rough at first in south.
- Weather
- Rain at first in southeast.
- Visibility
- Moderate or good, occasionally poor at first in southeast.
In southeast
- Wind
- Westerly or northwesterly 6 to gale 8, decreasing 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Moderate or rough.
- Weather
- Showers, but occasional rain at first in northeast.
- Visibility
- Moderate or good, occasionally poor.
In southwest
- Wind
- Northwesterly 4 to 6, becoming variable 2 to 4, then southwesterly 4 or 5 later in north.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Fog patches at first in north, rain later in south.
- Visibility
- Moderate or good, occasionally very poor at first in north and poor later in south.
In northwest
- Wind
- Variable becoming southerly or southwesterly, 2 to 4, occasionally 5 later in south.
- Sea state
- Slight or moderate.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Westerly or southwesterly 6 or 7, occasionally gale 8 until later in north, decreasing 4 to 6 in south and west and also later in northeast.
- Sea state
- Moderate or rough, occasionally very rough in north.
- Weather
- Showers, squally until later.
- Visibility
- Good, occasionally moderate.
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.