High seas forecast and storm warnings
The general synopsis for UK
At 240000UTC, low 63 north 21 west 1000 expected 68 north 10 west with little change by 250000UTC. High 52 north 14 west 1021 expected 57 north 03 east 1022 by same time. Low Iberia 1010 expected 48 north 13 west with little change by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northeast 3 to 5, becoming cyclonic 4 to 6.
- Sea state
- Slight or moderate, occasionally rough later in west.
- Weather
- Thundery showers, fog patches.
- Visibility
- Good, occasionally very poor.
Shannon
- Wind
- Variable 2 to 4, becoming northeast 4 to 6.
- Sea state
- Moderate, but slight at first in southeast.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Southwesterly 4 or 5, but variable 4 or less later in southeast.
- Sea state
- Moderate.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Southwest 5 or 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
Faeroes
- Wind
- Southwest 4 or 5.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
Southeast Iceland
- Wind
- Cyclonic 3 to 5, becoming southwesterly 5 or 6.
- Sea state
- Moderate or rough.
- Weather
- Drizzle, fog patches.
- Visibility
- Good, occasionally very poor.
East Northern Section
- Wind
- Cyclonic in north, otherwise westerly or southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Moderate or good.
West Northern Section
- Wind
- Variable 2 to 4 in north, otherwise westerly or southwesterly 3 to 5, increasing 5 or 6.
- Sea state
- Moderate, occasionally slight in north and rough in south.
- Weather
- Occasional rain or showers, fog patches later in far northwest.
- Visibility
- Moderate or good, occasionally very poor later in far northwest.
East Central Section
In northwestern half of the area
- Wind
- Cyclonic 4 or 5, becoming northerly or northwesterly 3 to 5, backing southwesterly later in north.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Occasional rain or drizzle, becoming fair in northwest.
- Visibility
- Moderate or good.
In southeastern half of the area
- Wind
- Northerly or northeasterly 3 to 5, occasionally 6 later.
- Sea state
- Moderate, occasionally slight at first and rough later.
- Weather
- Occasional rain or showers, perhaps thundery, fog patches later.
- Visibility
- Moderate or good, occasionally very poor later.
West Central Section
- Wind
- Westerly or northwesterly, backing westerly or southwesterly later in northwest, 3 to 5, but becoming variable 2 to 4 in southwest.
- Sea state
- Moderate, occasionally rough at first in far northeast.
- Weather
- Occasional drizzle becoming mainly fair.
- Visibility
- Good, occasionally moderate at first.
Denmark Strait
- Wind
- Variable 2 to 4, but cyclonic 3 to 5 at first in southeast.
- Sea state
- Slight or moderate, occasionally smooth in north.
- Weather
- Occasional drizzle, fog banks.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
- Wind
- Southerly or southeasterly 2 to 4 at first in north, otherwise cyclonic 3 to 5, occasionally 6 in east.
- Sea state
- Slight or moderate, occasionally rough later in far south.
- Weather
- Occasional rain or drizzle, fog banks.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic becoming southwesterly, 4 to 6.
- Sea state
- Slight or moderate.
- Weather
- Drizzle with fog patches then showers.
- Visibility
- Moderate or good, occasionally very poor at first.
Outlook for the following 24 hours
Gales expected in 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.