High seas forecast and storm warnings
The general synopsis for UK
At 090000UTC, low 64 north 22 west 984 losing its identity by 100000UTC. New low 987 expected 63 north 04 east by same time. High 47 north 33 west dissipating by that time. at 090000UTC, new low 1009 expected 46 north 34 west by 100000UTC. New low 989 expected 59 north 50 west by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly veering northwesterly 4 to 6, occasionally 3 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain in north.
- Visibility
- Good, occasionally moderate in north.
Shannon
- Wind
- Southwesterly veering northwesterly 5 to 7, occasional gale 8 in north.
- Sea state
- Rough or very rough.
- Weather
- Rain at first.
- Visibility
- Moderate or good.
Rockall
- Wind
- Westerly veering northwesterly, 6 to gale 8, perhaps severe gale 9 later.
- Sea state
- Rough or very rough, becoming very rough or high later.
- Weather
- Squally showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Westerly veering northwesterly, 6 to gale 8, occasionally severe gale 9 later.
- Sea state
- Rough or very rough, becoming very rough or high later.
- Weather
- Squally showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Cyclonic 5 to 7.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Squally showers.
- Visibility
- Good, occasionally moderate.
Southeast Iceland
- Wind
- Cyclonic, 3 to 5, becoming northerly or northeasterly 5 or 6 later.
- Sea state
- Rough becoming rough or very rough.
- Weather
- Showers.
- Visibility
- Good.
East Northern Section
In north
- Wind
- Cyclonic becoming northwesterly later, 7 to severe gale 9, then decreasing 4 to 7 later.
- Sea state
- Rough or very rough, becoming very rough or high, then moderate or rough later.
- Weather
- Squally showers until later.
- Visibility
- Good, occasionally moderate until later.
In south
- Wind
- Westerly or northwesterly 7 to severe gale 9, decreasing 5 to 7 later.
- Sea state
- Very rough or high becoming rough occasionally moderate later.
- Weather
- Showers, occasionally squally, becoming mainly fair later.
- Visibility
- Good, occasionally moderate at first.
West Northern Section
In east
- Wind
- Northerly or northwesterly 5 to 7, occasionally gale 8 at first in east, backing westerly 4 to 6, then southwesterly 3 to 5 later, then becoming variable 3 or less later in far north.
- Sea state
- Rough or very rough, occasionally high at first in south, becoming rough occasionally moderate later.
- Weather
- Mainly fair, occasional rain later.
- Visibility
- Good, occasionally moderate later.
In west
- Wind
- Cyclonic 3 to 5 in north, occasionally 6 later in north, otherwise westerly or southwesterly, veering southerly 4 to 6, occasionally 7 later in south.
- Sea state
- Rough or very rough, occasionally moderate in far north and later in far southwest.
- Weather
- Occasionally rain.
- Visibility
- Moderate or good, occasionally poor later.
East Central Section
In north
- Wind
- Westerly or northwesterly 6 to gale 8, occasionally 5 later, then becoming variable 2 to 4 later.
- Sea state
- Rough or very rough, occasionally high in far north.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor later in south.
In south
- Wind
- Westerly or southwesterly, veering northwesterly 4 to 6, becoming variable 2 to 4 for a time in west, and later in east.
- Sea state
- Moderate or rough, becoming rough or very rough later.
- Weather
- Rain at times, moderate or good, occasionally poor.
- Visibility
West Central Section
In north
- Wind
- Westerly 5 to 7, becoming variable 2 to 4, then southerly or southeasterly 4 to 6.
- Sea state
- Rough or very rough becoming rough, occasionally moderate later.
- Weather
- Showers, then occasional rain.
- Visibility
- Moderate or good, occasionally poor later.
In south
- Wind
- Easterly or northeasterly 3 to 5, occasionally 6 in east, becoming cyclonic 6 to gale 8 later in south.
- Sea state
- Moderate orrough, becoming rough or very rough later.
- Weather
- Occasional rain, fog patches in west later.
- Visibility
- Moderate or good, occasionally poor, but becoming very poor at times later in west.
Denmark Strait
- Storm warning
-
Issued:
At 090000UTC, northeasterly winds are expected to reach storm force 10 at times in Denmark Strait between 67 north and 70 north from 090400UTC until 091900UTC.
In west
- Wind
- Northerly or northeasterly 5 to 7 becoming variable 2 to 4 for a time.
- Sea state
- Moderate or rough, occasionally very rough at first in far east.
- Weather
- Sleet and snow at times.
- Visibility
- Moderate or good occasionally poor, but becoming very poor at times in north.
In east
- Wind
- Cyclonic 7 to severe gale 9, occasionally storm 10 at first in north.
- Sea state
- Rough or very rough occasionally high at first, becoming moderate or rough later.
- Weather
- Occasional rain or slight.
- Visibility
- Moderate or good, occasionally poor.
North Iceland
In south
- Wind
- Easterly or southeasterly 5 to 7, occasionally gale 8 at first, becoming variable 3 or less later in south.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
In north
- Wind
- Cyclonic 4 to 6, becoming southerly 3 to 5 later.
- Sea state
- Slight or moderate, occasionally rough in south.
- Weather
- Rain at times, occasional snow in the northwest.
- Visibility
- Moderate or good, occasionally poor, but becoming very poor at times in the for a time northwest.
Norwegian Basin
- Wind
- Cyclonic 5 to 7, becoming southerly or southwesterly 4 to 6 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Gales expected in Rockall, Malin, Hebrides, Bailey, East Northern Section, West Northern Section, East Central Section, West Central Section and Denmark Strait, with a risk of gales in Sole and Shannon. Strong wind expected in Faeroes, Southeast Iceland, and Norwegian Basin.
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.