High seas forecast and storm warnings
The general synopsis for UK
At 090000UTC, low 64 north 06 west 991 expected 63 north 03 east 996 by 100000UTC. Low 43 north 40 west 999 expected 50 north 33 west 991 by same time. New high expected 49 north 14 west 1020 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Good occasionally moderate.
Shannon
- Wind
- West or southwest 3 to 5 at first in northwest, otherwise variable 2 to 4.
- Sea state
- Moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Rockall
- Wind
- West or northwest 4 to 6, decreasing 2 to 4 later.
- Sea state
- Moderate or rough. becoming moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- North or northwest 4 to 6, becoming variable 2 to 4 later.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Cyclonic becoming northwesterly, 5 to 7, occasionally gale 8 in north, decreasing 3 to 5 later.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- Northerly or northwesterly 5 to 7, occasionally gale 8 until later, becoming variable 2 to 4 later.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
East Northern Section
In northwest
- Wind
- Northerly 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Moderate or rough, becoming slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In northeast
- Wind
- Cyclonic 2 to 4, occasionally 5 at first.
- Sea state
- Moderate or rough, becoming slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
In south
- Wind
- Northwesterly becoming variable, 2 to 4, then easterly or southeasterly 4 to 6 later in southwest.
- Sea state
- Moderate or rough, becoming moderate.
- Weather
- Occasional rain later.
- Visibility
- Good, occasionally moderate later.
West Northern Section
In northwest
- Wind
- Variable becoming southerly or southwesterly later, 2 to 4, occasionally 5 later in far west.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In northeast
- Wind
- Northerly 4 or 5, becoming variable 2 to 4.
- Sea state
- Moderate or rough, becoming slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In south
- Wind
- Northerly or northeasterly 3 to 5, occasionally 6 in south.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain later in south.
- Visibility
- Good, occasionally moderate later in south.
East Central Section
In east
- Wind
- Variable 2 to 4, becoming southerly or southeasterly 4 to 6 later.
- Sea state
- Slight or moderate, becoming moderate later, occasionally rough later in west.
- Weather
- Occasional rain until later in north and later in west.
- Visibility
- Good occasionally moderate.
In west
- Wind
- Variable 2 to 4 at first in north, otherwise east or southeast 4 to 6, occasionally 7 in southwest.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good occasionally poor.
West Central Section
In north
- Wind
- Easterly or northeasterly 4 to 6, occasionally 7 in far west, increasing 6 to gale 8.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Rain and showers, perhaps thundery, fog patches mainly in south.
- Visibility
- Moderate or poor, occasionally very poor mainly in south.
In south
- Wind
- Cyclonic 5 to 7, occasionally gale 8 later.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Rain and showers, perhaps thundery, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north.
Denmark Strait
- Wind
- Variable 2 to 4, becoming westerly or southwesterly 3 to 5 later.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
North Iceland
In north
- Wind
- Variable 2 to 4, becoming westerly or southwesterly then cyclonic later, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain at first in north, otherwise mainly fair.
- Visibility
- Good, occasionally moderate at first in north.
In south
- Wind
- Northerly or northwesterly 5 to 7, occasionally gale 8 in southeast, backing westerly or northwesterly 4 to 6 later.
- Sea state
- Moderate or rough, occasionally very rough until later in southeast.
- Weather
- Occasional rain until later in south, otherwise mainly fair.
- Visibility
- Good, occasionally moderate until later in south.
Norwegian Basin
- Wind
- Cyclonic 4 to 6, occasionally 7 in west.
- Sea state
- Moderate or rough, occasionally very rough in west.
- Weather
- Occasional rain and showers.
- Visibility
- Moderate or good, occasionally poor in far east.
Outlook for the following 24 hours
Gales expected in West Northern Section and 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.