High seas forecast and storm warnings
The general synopsis for UK
At 110000UTC, high 49 north 33 west 1036 slow-moving, declining 1035 by 120000UTC. New lows expected 65 north 24 west 993 and 64 north 09 west 994 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- North or northwest 4 to 6.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Showers.
- Visibility
- Good.
Shannon
- Wind
- North or northwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
Rockall
- Wind
- Cyclonic 3 to 5, becoming west or northwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, becoming rough or very rough later in north.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Cyclonic 3 to 5, becoming west or northwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, becoming rough or very rough later.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- North backing west or southwest, 4 to 6, occasionally 3 at first and 7 later.
- Sea state
- Moderate or rough, becoming very rough later in west.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly veering westerly or northwesterly, 5 to 7, occasionally 4 in north, perhaps gale 8 later.
- Sea state
- Moderate or rough, becoming very rough later in south.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In north
- Wind
- Westerly or southwesterly 6 to gale 8, occasionally 5 at first in east, veering northwesterly later in northwest.
- Sea state
- Rough or very rough.
- Weather
- Rain becoming mainly fair, then showers later in east.
- Visibility
- Moderate or good, occasionally poor, becoming good.
In south
- Wind
- Westerly or northwesterly 4 to 6, increasing 6 to gale 8.
- Sea state
- Rough or very rough, occasionally moderate at first in far south.
- Weather
- Occasional rain at first.
- Visibility
- Good, occasionally poor at first.
West Northern Section
In north
- Wind
- Westerly 6 to gale 8, occasionally severe gale 9 in north, becoming cyclonic 5 to 7 later, then decreasing 3 to 5 later in northwest.
- Sea state
- Rough or very rough, occasionally moderate in west and high in east.
- Weather
- Fair.
- Visibility
- Good, occasionally moderate in east.
In south
- Wind
- Westerly or southwesterly 5 to 7, occasionally gale 8 in north, decreasing 4 at times later in southwest.
- Sea state
- Rough, occasionally very rough in north and east and moderate in south and west.
- Weather
- Mainly fair, but rain at first in far southeast.
- Visibility
- Good, occasionally moderate at first in far southeast.
East Central Section
- Wind
- Northwesterly in north and northeasterly in south, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers in south, occasional rain until later in north.
- Visibility
- Good, occasionally moderate.
West Central Section
In north
- Wind
- Cyclonic, becoming southerly or southwesterly later, 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional rain or drizzle, fog patches in west.
- Visibility
- Moderate or good, occasionally poor in east and very poor in west.
In south
- Wind
- Northeasterly 4 or 5 at first in southeast, otherwise variable 2 to 4, becoming southerly 3 to 5 later in northwest.
- Sea state
- Moderate, occasionally rough in far southeast.
- Weather
- Rain or drizzle at times in far north and at first in northeast.
- Visibility
- Good, occasionally poor in far north and at first in northeast.
Denmark Strait
- Wind
- Westerly or southwesterly 7 to severe gale 9 at first in far south, otherwise cyclonic 4 to 6, occasionally 7 in west, becoming northeasterly 6 to gale 8 in north and later in southeast, then becoming variable 2 to 4 later in far west.
- Sea state
- Moderate or rough, occasionally very rough in south.
- Weather
- Wintry showers in south, but occasional rain, snow and freezing rain in north with fog patches.
- Visibility
- Good, occasionally poor in south, but moderate to very poor in north. Occasional light icing in northeast with temperatures around ms02.
North Iceland
- Wind
- Southerly or southeasterly, backing northeasterly in north and becoming cyclonic in south, 4 to 6, occasionally 3 in southwest and at first in northeast.
- Sea state
- Moderate occasionally rough.
- Weather
- Occasional rain, but sleet or snow at times except in far south, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate occasionally rough.
- Weather
- Showers, then occasional rain in west.
- Visibility
- Moderate or good, occasionally poor in west.
Outlook for the following 24 hours
Gales expected in Rockall, Bailey, East Northern Section and Denmark Strait.
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.