High seas forecast and storm warnings
The general synopsis for UK
At 301200UTC, low 70 north 04 west 998 expected 65 north 04 west 997 by 311200UTC. Low 58 north 05 west 1007 losing its identity by same time. Low 48 north 45 west 1009 expected 47 north 30 west 1006 by that time. at 301200UTC, high 57 north 35 west 1027 expected 57 north 33 west 1027 by 311200UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- Northwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Rockall
- Wind
- West or northwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers, perhaps heavy and thundery.
- Visibility
- Good, occasionally moderate and perhaps poor.
Bailey
- Wind
- West or northwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- West or northwest 4 to 6, occasionally 3 at first.
- Sea state
- Slight or moderate, occasionally rough later in north.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- In northeast, northwesterly 4 to 6, occasionally 7 in northeast. in southwest, variable 2 to 4.
- Sea state
- In northeast, slight or moderate, becoming rough later in northeast. in southwest, slight or moderate.
- Weather
- In northeast, rain or showers. in southwest, rain or showers.
- Visibility
- In northeast, good, occasionally moderate or poor. in southwest, good, occasionally moderate or poor.
East Northern Section
- Wind
- Northwesterly 4 to 6, decreasing 3 at times.
- Sea state
- Moderate, occasionally slight in north and later rough in east.
- Weather
- Mainly fair.
- Visibility
- Mainly good.
West Northern Section
In north
- Wind
- Westerly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
In south
- Wind
- Northwesterly 3 to 5 at first in northeast and southwesterly later in northwest, otherwise variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
East Central Section
In north
- Wind
- Westerly 4 or 5 at first in northeast, otherwise variable 2 to 4, becoming easterly 4 to 6 later in southwest.
- Sea state
- Moderate.
- Weather
- Mainly fair.
- Visibility
- Moderate or good.
In south
- Wind
- Variable 3 or less at first in northeast, otherwise southeasterly 3 to 5, becoming cyclonic 4 to 6, occasionally 7 later.
- Sea state
- Moderate occasionally rough in west.
- Weather
- Rain or showers, occasionally heavy with risk thunder.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In north
- Wind
- Easterly 4 to 6, occasionally 7 in south, moderate occasionally rough.
- Sea state
- Rain or showers, occasionally heavy with risk thunder.
- Weather
- Moderate or good, occasionally poor.
- Visibility
In south
- Wind
- Cyclonic 4 to 6, occasionally 7 in east.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain or showers, occasionally heavy with risk thunder.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
In far east
- Wind
- Northerly 4 to 6.
- Sea state
- Mainly moderate.
- Weather
- Mainly fair.
- Visibility
- Moderate or good.
In far south
- Wind
- Westerly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Moderate or good.
In rest of area
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Risk fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
- Wind
- Cyclonic 4 to 6, occasionally 7 in south.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, risk heavy in east, risk fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Westerly or southwesterly 4 to 6, occasionally 7 later in east.
- Sea state
- Moderate, occasionally slight at first in south and rough later.
- Weather
- Rain or showers, risk heavy with thunder.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Risk of gales in East Central Section, West Central Section and north Iceland.
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.