High seas forecast and storm warnings
The general synopsis for UK
At 301200UTC, low 45 north 51 west 990 expected 51 north 38 west 997 by 311200UTC. High 54 north 03 east dissipating by same time. Low 55 north 19 west 1001 losing its identity by that time. at 301200UTC, low 59 north 25 west 999 losing its identity by 311200UTC. New low expected 54 north 23 west 1002 by same time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally poor at first.
Shannon
- Wind
- Cyclonic, mainly south or southwest 3 to 5, occasionally 6 at first.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery at first.
- Visibility
- Moderate or good, occasionally poor.
Rockall
- Wind
- Cyclonic, mainly south or southwest 3 to 5, occasionally 6 at first.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, perhaps thundery at first.
- Visibility
- Moderate or good, occasionally poor.
Bailey
- Wind
- Cyclonic 3 to 5, occasionally variable 3 or less.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Faeroes
- Wind
- Cyclonic 3 to 5, occasionally variable 3 or less.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Southeast Iceland
- Wind
- In southeast, cyclonic 3 to 5, occasionally variable 3 or less . in northwest, cyclonic, mainly easterly or northeasterly 6 to gale 8, decreasing 4 to 6, occasionally 3 later.
- Sea state
- In southeast, moderate or rough. in northwest, moderate or rough, occasionally very rough at first.
- Weather
- In southeast, rain or showers, fog patches. in northwest, rain, fog patches.
- Visibility
- In southeast, moderate or good, occasionally very poor. in northwest, moderate or good, occasionally very poor.
East Northern Section
In north
- Wind
- Cyclonic mainly easterly or northeasterly at first, 5 to 7, occasionally gale 8 at first in far northeast, becoming mainly easterly or southeasterly 3 to 5, occasionally 6 in northeast.
- Sea state
- Moderate or rough, occasionally very rough at first.
- Weather
- Rain at times with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Cyclonic becoming mainly southeasterly for a time, 3 to 5, occasionally 6 at first in far southeast.
- Sea state
- Rough, becoming moderate later.
- Weather
- Occasional rain or drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
In north
- Wind
- Northeasterly 5 to 7, becoming cyclonic 3 to 5 in southeast and later in east.
- Sea state
- Rough, occasionally very rough at first, becoming moderate or rough later.
- Weather
- Occasional rain, fog patches, moderate or good, occasionally very poor.
- Visibility
In south
- Wind
- Cyclonic becoming variable 2 to 4 in east, but in west, northerly 3 to 5, occasionally 6 at first.
- Sea state
- Rough, becoming moderate or rough later.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
- Wind
- Cyclonic, mainly southerly or southwesterly 4 to 6, occasionally 7 in west and north for a time.
- Sea state
- Rough, occasionally moderate in southeast, becoming moderate or rough later.
- Weather
- Mainly fair at first in northeast, otherwise occasional rain or showers, perhaps thundery in northwest, and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Central Section
In north
- Wind
- Cyclonic 3 to 5, occasionally 2 at first and 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain at times, perhaps thundery, fog patches.
- Visibility
- Moderate to poor, occasionally very poor.
In south
- Wind
- Cyclonic, becoming mainly southerly or southwesterly 5 to 7, occasionally gale 8 at first in east.
- Sea state
- Rough, occasionally very rough later in south.
- Weather
- Rain at times, perhaps thundery, fog patches at first, showers later.
- Visibility
- Moderate or good, occasionally very poor at first and poor at times later.
Denmark Strait
- Wind
- Easterly or northeasterly 5 to 7, decreasing 3 or 4 at times later in north and in southeast.
- Sea state
- Moderate or rough, occasionally slight in north.
- Weather
- Fair at first in west, otherwise occasional rain and drizzle, but sleet and snow with fog patches later in west near greenland coast.
- Visibility
- Moderate or good, occasionally poor in southeast and very poor later in west.
North Iceland
In north
- Wind
- Variable 2 to 4, becoming southerly or southwesterly 3 to 5, occasionally 6 later in northwest.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In south
- Wind
- Easterly 4 to 6, occasionally 7 at first in west near iceland coast.
- Sea state
- Moderate, occasionally rough at first in southwest and later in southeast.
- Weather
- Showers or rain, with fog patches until later in southeast.
- Visibility
- Moderate or good, occasionally poor, but very poor at times in southeast.
Norwegian Basin
- Wind
- Cyclonic becoming mainly easterly or southeasterly, 3 to 5, occasionally 2 in south and 6 in north.
- Sea state
- Moderate.
- Weather
- Occasional rain or drizzle, fog patches in west, becoming mainly fair in far northeast.
- Visibility
- Moderate or good, occasionally very poor in west.
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.