High seas forecast and storm warnings
The general synopsis for UK
At 101200UTC, low 67 north 31 west 975 expected to lose its identity by 111200UTC. New low expected 69 north 20 west 978 by same time. Low 44 north 45 west 1007 expected 53 north 26 west 1003 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- West or southwest 4 to 6, veering northwest 3 to 5, then backing south or southwest 4 to 6 later in west.
- Sea state
- Moderate or rough, becoming moderate later.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- West or southwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Rockall
- Wind
- West or southwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, becoming very rough in far northwest.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- West or southwest 4 to 6, increasing 6 to gale 8.
- Sea state
- Rough, becoming very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
Faeroes
- Wind
- West or southwest 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough, becoming very rough in west.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southerly or southwesterly 5 to 7, occasionally gale 8.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In far northwest
- Wind
- Westerly or southwesterly 3 to 5, veering northerly 4 to 6 later.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Mainly fair.
- Visibility
- Good.
In rest of area
- Wind
- Westerly or southwesterly 6 to gale 8, occasionally 5 later.
- Sea state
- Rough or very rough, occasionally high later.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor at first in north and later in far southeast.
West Northern Section
In north
- Wind
- Cyclonic 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first in far northwest.
- Weather
- Rain or showers in far northwest, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally poor in far northwest.
In south
- Wind
- Westerly or southwesterly 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
East Central Section
In north
- Wind
- Westerly or southwesterly 4 to 6, becoming cyclonic 5 to 7, occasionally gale 8 later.
- Sea state
- Rough or very rough.
- Weather
- Rain and showers.
- Visibility
- Moderate or good, occasionally poor later.
In south
- Wind
- Westerly or northwesterly 3 to 5, becoming cyclonic 5 to 7, perhaps gale 8 later in north.
- Sea state
- Moderate or rough.
- Weather
- Rain in northwest, mainly fair elsewhere.
- Visibility
- Moderate or good, occasionally poor in west.
West Central Section
In north
- Wind
- Southerly or southwesterly becoming cyclonic, 4 to 6, occasionally 3 at first in south.
- Sea state
- Rough or very rough, becoming moderate or rough.
- Weather
- Showers, rain later in southeast.
- Visibility
- Moderate or good, occasionally poor later in southeast.
In south
- Wind
- Cyclonic 4 to 6, occasionally 7 later in southeast.
- Sea state
- Moderate or rough.
- Weather
- Rain at first in west and until later in east.
- Visibility
- Moderate or good, occasionally poor at first in west and until later in east.
Denmark Strait
- Storm warning
-
Issued:
At 101200UTC, low 67 north 31 west 975 expected to lose its identity by 111200UTC. New low expected 69 north 20 west 978 by same time. Northeasterly winds are expected to reach storm force 10 or violent storm force 11 in Denmark Strait throughout the period, mostly near to Greenland but moving towards the far east of the area after 110300UTC. Winds are also expected to reach storm force 10 from 111500UTC in the far west of north Iceland.
In northwest
- Wind
- Northeasterly gale 8 to storm 10, occasionally violent storm 11 in far northeast near greenland, decreasing 3 to 5 later in west.
- Sea state
- Very rough or high, becoming rough or very rough later in west.
- Weather
- Rain and snow.
- Visibility
- Moderate or poor, occasionally very poor.
In southeast
- Wind
- Cyclonic 5 to 7, occasionally gale 8 later in far southeast.
- Sea state
- Rough or very rough, occasionally high later in far southeast.
- Weather
- Rain and snow in north, otherwise mainly fair.
- Visibility
- Moderate or good, but moderate or poor in north, occasionally very poor in north.
North Iceland
- Storm warning
-
Issued:
At 101200UTC, low 67 north 31 west 975 expected to lose its identity by 111200UTC. New low expected 69 north 20 west 978 by same time. Northeasterly winds are expected to reach storm force 10 or violent storm force 11 in Denmark Strait throughout the period, mostly near to Greenland but moving towards the far east of the area after 110300UTC. Winds are also expected to reach storm force 10 from 111500UTC in the far west of north Iceland.
In northwest
- Wind
- Northeasterly 5 to 7, then increasing gale 8 or severe gale 9 in west, occasionally storm 10 later in far west.
- Sea state
- Moderate or rough becoming very rough or high.
- Weather
- Rain or snow.
- Visibility
- Moderate or poor, occasionally very poor later.
In southeast
- Wind
- Cyclonic 5 to 7, occasionally gale 8 later in far southeast.
- Sea state
- Moderate or rough, becoming rough or very rough later.
- Weather
- Rain and drizzle with fog patches until later in northwest.
- Visibility
- Moderate or poor, occasionally very poor until later in northwest, becoming moderate or good later.
Norwegian Basin
- Wind
- Southerly or southeasterly veering southwesterly but later in east, 5 to 7, occasionally gale 8 later in west.
- Sea state
- Moderate or rough, becoming very rough later in west.
- Weather
- Rain and showers, fair for a time later.
- Visibility
- Moderate or good, occasionally very poor until later.
Outlook for the following 24 hours
Violent storms expected in Denmark Strait, with storms in north Iceland. Gales expected in all other areas except East Northern Section, East Central Section and Sole.
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.