High seas forecast and storm warnings
The general synopsis for UK
At 230000UTC, low 66 north 32 west 988 expected 63 north 34 west 1001 by 240000UTC. New lows expected 58 north 21 west 1002 and 70 north 11 west 1006 by same time. Low 40 north 16 west 1002 expected 41 north 13 west 1004 by that time. at 230000UTC, high 53 north 13 west 1028 expected 54 north 01 east 1025 by 240000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Easterly or northeasterly 5 or 6, occasionally 4 later.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good.
Shannon
- Wind
- East or southeast 2 to 4, occasionally 5 later.
- Sea state
- Slight or moderate.
- Weather
- Fair.
- Visibility
- Good.
Rockall
- Wind
- Southwesterly, backing southerly, 3 to 5, increasing 6 in northwest.
- Sea state
- Slight at first in southeast, otherwise moderate or rough.
- Weather
- Fair.
- Visibility
- Good.
Bailey
- Wind
- Southwest, backing south, 5 to 7.
- Sea state
- Rough or very rough, occasionally moderate at first in southeast.
- Weather
- Occasional rain.
- Visibility
- Good occasionally poor.
Faeroes
- Wind
- Southwesterly 4 or 5, occasionally 6 in west.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair.
- Visibility
- Good occasionally poor.
Southeast Iceland
- Wind
- Southwesterly 5 to 7, occasionally 4 in west.
- Sea state
- Rough occasionally moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
East Northern Section
- Wind
- Southerly or southwesterly, becoming cyclonic in west, 5 to 7, occasionally gale 8 in east.
- Sea state
- Rough or very rough, occasionally moderate in west.
- Weather
- Occasional rain or showers, fog patches for a time.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
- Wind
- Cyclonic 5 to 7, occasionally gale 8 in far northwest.
- Sea state
- Moderate or rough in south, otherwise rough or very rough, occasionally high in north.
- Weather
- Occasional rain or squally showers.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
- Wind
- Cyclonic 5 to 7, occasionally gale 8 in north.
- Sea state
- Moderate or rough, occasionally very rough in far north.
- Weather
- Fair for a time in southeast, otherwise occasional rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In southeast
- Wind
- Southerly or southwesterly, veering westerly or northwesterly, 4 to 6, occasionally 7 at first.
- Sea state
- Moderate occasionally rough.
- Weather
- Occasional rain and drizzle, fog patches at first, showers later.
- Visibility
- Moderate or poor, occasionally very poor at first becoming good later.
In northwest
- Wind
- Westerly, veering northwesterly, 4 to 6.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Showers, occasional rain at first.
- Visibility
- Moderate becoming good, occasionally poor at first.
Denmark Strait
In far southeast
- Wind
- Cyclonic, becoming north or northeast, 4 to 6.
- Sea state
- Moderate or rough, occasionally very rough.
- Weather
- Occasional rain then showers.
- Visibility
- Moderate or good, occasionally poor at first.
In rest of area
- Wind
- Northeasterly 6 to gale 8, occasionally severe gale 9 south of 68 north.
- Sea state
- Moderate north of 70 north, otherwise rough or very rough, occasionally high at first.
- Weather
- Rain, mainly fair later.
- Visibility
- Moderate or poor, occasionally good later.
North Iceland
In area north of 72 north
- Wind
- Variable 2 to 4, becoming northeasterly 3 to 5 except in far northwest.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Fair then occasional sleet.
- Visibility
- Good occasionally poor.
In rest of area
- Wind
- Cyclonic 4 to 6.
- Sea state
- Occasionally 7 in northwest.
- Weather
- Moderate or rough, occasionally slight at first.
- Visibility
- Rain or drizzle at times, fog banks developing except in southwest. Moderate or good, occasionally very poor except in southwest.
Norwegian Basin
In northwest
- Wind
- Westerly, backing southwesterly, 3 to 5.
- Sea state
- Moderate or rough, occasionally slight at first.
- Weather
- Fair.
- Visibility
- Good occasionally moderate.
In southeast
- Wind
- Westerly or southwesterly, becoming variable later, 2 to 4, occasionally 5 at first.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Moderate or good, occasionally poor at first.
Outlook for the following 24 hours
Gales expected in East Northern Section, West Northern Section, Denmark Strait 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.