High seas forecast and storm warnings
The general synopsis for UK
At 071200UTC, low 64 north 23 west 997, expected 62 north 09 west 993 by 081200UTC. Low 46 north 20 west 1013, expected 46 north 14 west 1011 by same time. High 48 north 31 west 1023, expected to dissipate by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southerly or southeasterly 3 to 5.
- Sea state
- Moderate, occasionally slight in east.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Southerly or southwesterly 4 to 6, veering westerly or northwesterly 2 to 4 later in west.
- Sea state
- Moderate or rough.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Southwest 5 to 7, occasionally gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southerly or southwesterly veering northwesterly later in northwest, 4 to 6, occasionally 7 later in southeast.
- Sea state
- Moderate or rough.
- Weather
- Rain and showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- South or southwest 4 to 6, becoming cyclonic 5 to 7 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic 3 to 5, increasing 5 to 7 later in northwest.
- Sea state
- Moderate, but occasionally rough in south and later in north.
- Weather
- Rain, fog patches until later in northeast.
- Visibility
- Good, occasionally poor, but occasionally very poor until later in northeast.
East Northern Section
In north
- Wind
- Cyclonic 4 to 6, but in far northwest northerly or northeasterly 6 to gale 8, decreasing 5 or 6 later.
- Sea state
- Moderate or rough, occasionally very rough until later in northwest.
- Weather
- Occasional rain until later.
- Visibility
- Good, occasionally moderate until later.
In south
- Wind
- Cyclonic mainly westerly or southwesterly veering northwesterly later, 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain at first.
- Visibility
- Good, occasionally moderate at first.
West Northern Section
In north
- Wind
- Variable 2 to 4 in far east, otherwise northerly or northeasterly 5 to 7, occasionally gale 8 until later in far northeast.
- Sea state
- Moderate in far northwest throughout, otherwise rough or very rough, becoming moderate or rough later.
- Weather
- Occasional rain until later in west, otherwise mainly fair.
- Visibility
- Good, occasionally moderate until later in west.
In southeast
- Wind
- Westerly or northwesterly veering northerly or northwesterly later, 4 to 6, occasionally 7 at first in far northeast.
- Sea state
- Moderate or rough, occasionally very rough until later in north.
- Weather
- Mainly fair.
- Visibility
- Good.
In southwest
- Wind
- Northerly or northeasterly 3 to 5, occasionally 6 in far northeast.
- Sea state
- Moderate or rough, occasionally very rough until later in northeast.
- Weather
- Mainly fair.
- Visibility
- Good.
East Central Section
In north
- Wind
- Cyclonic mainly westerly or southwesterly, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Variable 2 to 4 in far west, otherwise cyclonic becoming northerly or northwesterly later, 4 to 6.
- Sea state
- Moderate or rough, becoming slight or moderate.
- Weather
- Occasional rain until later.
- Visibility
- Good, occasionally moderate.
West Central Section
In north
- Wind
- Cyclonic 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Occasional rain, fog patches mainly in west.
- Visibility
- Moderate or good, occasionally very poor mainly in west.
In southeast
- Wind
- Cyclonic 2 to 4, becoming southerly or southwesterly 3 to 5 later.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Mainly fair.
- Visibility
- Good.
In southwest
- Wind
- Southerly or southeasterly 4 to 6.
- Sea state
- Slight or moderate, becoming moderate or rough later.
- Weather
- Mainly fair, rain later.
- Visibility
- Good, occasionally poor later.
Denmark Strait
- Wind
- Variable 2 to 4 near greenland, otherwise northeasterly 5 to 7, occasionally gale 8 until later in southeast.
- Sea state
- Moderate or rough, occasionally very rough until later in southeast.
- Weather
- Occasional rain in far southeast, otherwise mainly fair.
- Visibility
- Good, occasionally poor in far southeast.
North Iceland
In north
- Wind
- Northerly or northeasterly 4 to 6, decreasing 3 or 4 later, but variable 2 to 4 in far northwest throughout.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
In south
- Wind
- Variable 2 to 4 becoming cyclonic 4 to 6 later in far southeast, otherwise northeasterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain and fog patches until later in southeast, otherwise mainly fair.
- Visibility
- Moderate or poor occasionally very poor in southeast, otherwise good.
Norwegian Basin
- Wind
- Cyclonic becoming southerly or southwesterly later, 4 to 6, occasionally 7 later in far east.
- Sea state
- Rain and showers.
- Weather
- Moderate or good, occasionally poor.
- Visibility
Outlook for the following 24 hours
Gales expected in Southeast Iceland, the north of West Central Section and the southwest of north Iceland.
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.