High seas forecast and storm warnings
The general synopsis for UK
At 100000UTC, low 64 north 07 west 988 losing its identity by 110000UTC. New low expected 55 north 37 west 979 by same time. New low expected 64 north 15 west 999 by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northwesterly 3 to 5, backing southwesterly 5 to 7 later.
- Sea state
- Moderate or rough, occasionally very rough later in west.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
Shannon
- Wind
- Northwest 4 to 6, backing southeast 5 to 7 later.
- Sea state
- Rough or very rough.
- Weather
- Rain later.
- Visibility
- Good, becoming poor later.
Rockall
- Wind
- Northwest 6 to gale 8, becoming variable 2 to 4, then southeast 5 to 7 later.
- Sea state
- Very rough or high, becoming rough later.
- Weather
- Showers.
- Visibility
- Good.
Bailey
- Wind
- Northwest 6 to gale 8, becoming variable 2 to 4 later.
- Sea state
- Very rough or high, becoming rough later.
- Weather
- Showers.
- Visibility
- Good.
Faeroes
- Wind
- North or northwest 4 to 6, becoming variable 3 or less later.
- Sea state
- Moderate or rough, occasionally very rough.
- Weather
- Showers.
- Visibility
- Good.
Southeast Iceland
- Wind
- Cyclonic 5 to 7, becoming variable 3 or less later.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Showers.
- Visibility
- Good occasionally moderate.
East Northern Section
In northeast of area
- Wind
- Northwesterly 5 to 7, becoming variable 2 to 4, then southeasterly 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first in far east, becoming moderate or rough.
- Weather
- Occasional rain or drizzle.
- Visibility
- Good, occasionally moderate.
In southwest of area
- Wind
- Variable 2 to 4, becoming southeasterly 6 to gale 8 later.
- Sea state
- Rough or very rough, occasionally moderate later in southwest.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In area north of 62 north
- Wind
- Cyclonic 4 to 6, becoming easterly or northeasterly 5 to 7 later, occasionally gale 8 later in far west.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain, moderate or good, occasionally poor.
- Visibility
In rest of area
- Wind
- Southerly 4 to 6, becoming cyclonic, mainly easterly or southeasterly, 6 to gale 8 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
In north of area
- Wind
- Variable 2 to 4 becoming cyclonic, mainly easterly, 6 to gale 8 later.
- Sea state
- Moderate or rough.
- Weather
- Rain at times, fog patches later in west.
- Visibility
- Moderate or good, occasionally poor, but becoming very poor at times later in west.
In south of area
- Wind
- Cyclonic, mainly southwesterly, 6 to gale 8, becoming westerly or southwesterly 5 to 7 later.
- Sea state
- Moderate or rough, occasionally moderate later in east.
- Weather
- Occasional rain, fog patches for a time in west.
- Visibility
- Moderate or good, occasionally poor, becoming very poor for a time in west.
West Central Section
In north half of area
- Wind
- Southerly or southeasterly 4 to 6, becoming cyclonic, mainly westerly, 6 to gale 8 later.
- Sea state
- Moderate or rough becoming rough or very rough later.
- Weather
- Rain, drizzle and showers.
- Visibility
- Moderate or good, occasionally poor.
In southeast quadrant of area
- Wind
- Cyclonic, mainly southwesterly, 6 to gale 8, becoming southwesterly 5 or 6 later.
- Sea state
- Rough or very rough.
- Weather
- Fog patches at first, occasional rain.
- Visibility
- Moderate or poor, occasionally very poor at first, becoming moderate or good later.
In southwest quadrant of area
- Wind
- Variable 2 to 4, becoming westerly or southwesterly 5 to 7.
- Sea state
- Moderate or rough, becoming rough later.
- Weather
- Fog patches at first, occasional rain, then showers.
- Visibility
- Moderate or poor, occasionally very poor at first, becoming good later.
Denmark Strait
In area west of 30 west
- Wind
- Variable 2 to 4, becoming northeasterly 4 to 6 later in south.
- Sea state
- Moderate or rough.
- Weather
- Moderate or rough.
- Visibility
- Rain later in far south. Good, occasionally moderate later in far south.
In area north of 71 north
- Wind
- Variable 4 or less, becoming northerly 4 or 5 later.
- Sea state
- Mainly moderate.
- Weather
- Occasional snow.
- Visibility
- Moderate or poor, occasionally very poor.
In rest of area
- Wind
- Cyclonic 5 to 7, occasionally gale 8 at first.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Occasional snow.
- Visibility
- Moderate or poor, occasionally very poor. A risk of slight icing at first in far north with temperatures of around ms 02.
North Iceland
In south of area
- Wind
- Easterly or southeasterly 3 to 5, occasionally 6 at first, becoming variable 3 or less later in east.
- Sea state
- Moderate, occasionally rough at first in south.
- Weather
- Showers.
- Visibility
- Good.
In north of area
- Wind
- Variable becoming southerly later, 2 to 4.
- Sea state
- Rough, occasionally very rough at first in south.
- Weather
- Showers.
- Visibility
- Good.
Norwegian Basin
- Wind
- Cyclonic, mainly easterly or northeasterly, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
Outlook for the following 24 hours
A risk of storm force 10 in the Denmark Strait and West Northern Section. Severe gale force 9 expected in East Northern Section, gale force 8 expected in Rockall, Bailey, Faeroes, Southeast Iceland and West Central Section, strong winds expected in all other areas.
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.