High seas forecast and storm warnings
The general synopsis for UK
At 061200UTC, low 64 north 27 west 1003 expected 63 north 24 west 997 by 071200UTC. High 50 north 09 west 1028 expected 50 north 04 west 1025 by same time. New low expected 47 north 19 west 1012 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southerly or southeasterly 4 to 6. in east, variable 2 to 4.
- Sea state
- In west, moderate, occasionally rough later in west. in east, smooth or slight, occasionally moderate later.
- Weather
- In west, thundery showers. in east, showers.
- Visibility
- In west, good, occasionally poor. in east, good.
Shannon
- Wind
- South or southwest 3 to 5, backing south or southeast 4 to 6 later.
- Sea state
- Slight or moderate, occasionally rough in west.
- Weather
- Showers.
- Visibility
- Good.
Rockall
- Wind
- South or southwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- South or southwest 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- South or southwest 3 to 5.
- Sea state
- Slight or moderate, occasionally rough later in south.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly becoming cyclonic, 4 to 6, occasionally 3 at first.
- Sea state
- Slight or moderate, occasionally moderate later in south.
- Weather
- Rain, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north.
East Northern Section
In north
- Wind
- Northeasterly 6 to gale 8 in far northwest, otherwise cyclonic 4 to 6.
- Sea state
- Moderate or rough, becoming very rough in far northwest.
- Weather
- Occasional rain mainly in north.
- Visibility
- Moderate or good, occasionally poor in north.
In south
- Wind
- Westerly or southwesterly 4 to 6, occasionally 7 at first in south.
- Sea state
- Moderate or rough.
- Weather
- Occasionally rain mainly in south.
- Visibility
- Moderate or good.
West Northern Section
In north
- Wind
- Northerly or northeasterly 6 to gale 8 in northeast, otherwise northerly or northwesterly 4 to 6, but variable 2 to 4 in far northwest.
- Sea state
- Moderate far northwest, otherwise moderate or rough, becoming rough or very rough.
- Weather
- Occasional rain in east.
- Visibility
- Good, occasionally moderate in east.
In south
- Wind
- Westerly or southwesterly 4 to 6 at first in south, otherwise northerly or northwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain until later in south.
- Visibility
- Moderate or good, occasionally poor in south.
East Central Section
In north
- Wind
- Southwester becoming cyclonic in far southeast, 4 to 6.
- Sea state
- Moderate or rough, occasionally slight in far southwest.
- Weather
- Rain in far north, thundery showers later in far southeast.
- Visibility
- Good, occasionally moderate in far north and occasionally poor later in far southeast.
In south
- Wind
- Cyclonic 4 to 6.
- Sea state
- Moderate or rough, occasionally slight in west.
- Weather
- Thundery showers in east.
- Visibility
- Good, occasionally poor.
West Central Section
In north
- Wind
- Southerly or southwesterly 4 to 6.
- Sea state
- Slight or moderate, occasionally rough in far northeast.
- Weather
- Occasional rain, thundery showers in west.
- Visibility
- Moderate or good, occasionally poor in west.
In southeast
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In southwest
- Wind
- Southeasterly 4 to 6.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
Denmark Strait
- Wind
- Variable 2 to 4 near greenland, otherwise northerly or northeasterly 5 to 7, occasionally gale 8 in south.
- Sea state
- Moderate or rough, becoming rough or very rough in south.
- Weather
- Rain until later in south, otherwise mainly fair.
- Visibility
- Moderate or good, occasionally poor until later in south.
North Iceland
In northwest
- Wind
- Northerly or northeasterly 4 to 6.
- Sea state
- Moderate or rough, becoming slight in northwest.
- Weather
- Occasional rain or showers.
- Visibility
- Good, occasionally moderate.
In southeast
- Wind
- Variable 2 to 4 in southeast, otherwise variable 2 to 4, becoming northerly or northeasterly 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough in west.
- Weather
- Fog patches in southeast, otherwise mainly fair.
- Visibility
- Poor or very poor in southeast, otherwise mainly good.
Norwegian Basin
- Wind
- Westerly or northwesterly backing southerly or southwesterly, 3 to 5, occasionally 6 later in south.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Outlook for the following 24 hours
Gales expected in the northwest of East Northern Section, the northeast of West Northern Section, the south of Denmark Strait and the east of 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.