High seas forecast and storm warnings
The general synopsis for UK
At 021200UTC, low 67 north 24 west 994 expected 67 north 20 west 999 by 031200UTC. High 45 north 22 west 1035 expected 48 north 16 west 1033 by same time. New lows expected 66 north 38 west 1002 and 69 north 11 west 999 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northerly or northwesterly 2 to 4.
- Sea state
- Moderate.
- Weather
- Fog patches later.
- Visibility
- Good, occasionally very poor later.
Shannon
- Wind
- Variable 2 to 4 becoming southwest 4 to 6.
- Sea state
- Moderate, occasionally rough in north.
- Weather
- Occasional rain and fog patches later.
- Visibility
- Good, occasionally very poor later.
Rockall
- Wind
- West or southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- West or southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
East Northern Section
- Wind
- Westerly or southwesterly 4 to 6, occasionally 7 at first in south, becoming variable 2 to 4 in far north.
- Sea state
- Moderate or rough, occasionally very rough at first.
- Weather
- Occasional rain, fog patches in far southwest.
- Visibility
- Moderate or good, occasionally poor, but very poor at times in far southwest.
West Northern Section
In northern half of the area
- Wind
- Westerly or southwesterly 3 to 5 becoming variable 2 to 4.
- Sea state
- Moderate.
- Weather
- Fog patches in far northwest.
- Visibility
- Moderate or good, occasionally very poor in far northwest.
In southern half of the area
- Wind
- Southwesterly 4 to 6, becoming variable 2 to 4 later in south.
- Sea state
- Rough becoming moderate.
- Weather
- Occasional rain, fog banks in south.
- Visibility
- Moderate or good, occasionally poor in north and very poor in south.
East Central Section
In southeastern half of the area
- Wind
- Variable 2 to 4, becoming southwesterly 4 or 5 in north.
- Sea state
- Moderate.
- Weather
- Drizzle at times, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In northwestern half of the area
- Wind
- Southerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle at times, fog patches.
- Visibility
- Moderate to very poor, occasionally good in south.
West Central Section
- Wind
- Cyclonic mainly southerly or southwesterly, 4 to 6, becoming variable 2 to 4 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Rain, perhaps thundery, fog banks, perhaps extensive fog at times.
- Visibility
- Moderate to very poor.
Denmark Strait
- Wind
- Cyclonic 4 to 6, becoming variable 2 to 4 for a time in west.
- Sea state
- Slight or moderate.
- Weather
- Rain at times, mainly in east, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
- Wind
- Cyclonic 3 to 5, occasionally 6 at first in south.
- Sea state
- Slight or moderate, occasionally rough in far southeast.
- Weather
- Rain at times, fog banks or extensive fog in north.
- Visibility
- Moderate or good, occasionally very poor in north and poor in south and east.
Norwegian Basin
- Wind
- Northerly or northwesterly backing southwesterly, 3 to 5, occasionally 6 in south.
- Sea state
- Moderate, becoming rough later in west.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
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.