High seas forecast and storm warnings
The general synopsis for UK
At 021200UTC, high 56 north 06 west 1044, expected 58 north 02 west 1041 by 031200UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Easterly or northeasterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good.
Shannon
- Wind
- Easterly or southeasterly 3 to 5, occasionally 6 at first in south.
- Sea state
- Moderate, occasionally slight in northeast.
- Weather
- Mainly fair.
- Visibility
- Good.
Rockall
- Wind
- Southerly or southeasterly 3 to 5, occasionally 6 in west.
- Sea state
- Moderate, occasionally rough in northwest and slight in southeast.
- Weather
- Showers.
- Visibility
- Good.
Bailey
- Wind
- South 4 to 6.
- Sea state
- Moderate becoming rough, then very rough later in northwest.
- Weather
- Showers.
- Visibility
- Good occasionally moderate.
Faeroes
- Wind
- West 3 or 4, backing south or southwest 4 to 6.
- Sea state
- Moderate, occasionally slight in northeast, becoming rough in west.
- Weather
- Showers, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
Southeast Iceland
- Wind
- Southwesterly 5 to 7, perhaps gale 8 later in far north.
- Sea state
- Moderate becoming rough, then rough or very rough later.
- Weather
- Occasional rain or drizzle, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
East Northern Section
- Wind
- Southerly or southeasterly 5 to 7, occasionally gale 8 at first in southwest, decreasing 4 or 5 later, then veering southerly or southwesterly 4 to 6 later in northwest.
- Sea state
- Rough or very rough, occasionally high at first in northwest.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor until later in west.
West Northern Section
- Wind
- Cyclonic, becoming southerly or southwesterly, 5 to 7, increasing 7 or gale 8 for a time in southwest.
- Sea state
- Very rough or high becoming rough or very rough.
- Weather
- Rain or showers, wintry in west.
- Visibility
- Moderate or good occasionally poor.
East Central Section
In eastern half of area
- Wind
- Easterly or southeasterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good occasionally moderate.
In western half of area
- Wind
- Cyclonic 4 to 6, occasionally 7 at first in north.
- Sea state
- Rough, but very rough until later in north.
- Weather
- Rain or showers.
- Visibility
- Moderate or good occasionally poor.
West Central Section
In far southeast of area
- Wind
- Northwest 4 or 5, veering northerly or northeasterly 4 to 6.
- Sea state
- Rough.
- Weather
- Rain.
- Visibility
- Moderate or good occasionally poor.
In rest of area
- Wind
- Southerly or southwesterly 4 to 6, increasing 7 or gale 8 for a time in far northwest.
- Sea state
- Very rough becoming rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor in northwest.
Denmark Strait
In eastern half of area
- Wind
- Southerly 4 to 6, veering southwesterly 6 to gale 8 later, then increasing severe gale 9 later in far north.
- Sea state
- Moderate at first in east, otherwise rough or very rough.
- Weather
- Rain, drizzle and fog patches, but freezing rain in north, becoming mainly fair later in north and showers later in south.
- Visibility
- Moderate or good occasionally very poor, becoming good occasionally moderate later.
In western half of area
- Wind
- Cyclonic 3 to 5, becoming southwesterly 5 to 7 later.
- Sea state
- Very rough.
- Weather
- Fog patches at first in east, otherwise occasional rain or showers, wintry later.
- Visibility
- Moderate or good occasionally poor, but very poor at first in east.
North Iceland
In area north of 71 north
- Wind
- Southwesterly 5 to 7, becoming cyclonic 3 to 5 later.
- Sea state
- Moderate becoming rough.
- Weather
- Fog patches, occasional rain and drizzle, wintry in north.
- Visibility
- Moderate or good occasionally very poor.
In rest of area
- Wind
- Southerly or southwesterly 5 to 7, occasionally gale 8 later in south, increasing 7 to severe gale 9 later in north.
- Sea state
- Moderate or rough becoming rough or very rough, then high later in northwest.
- Weather
- Occasional rain or drizzle, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
Norwegian Basin
- Wind
- Westerly or northwesterly 4 to 6, but 3 or 4 in south, backing southwesterly 5 to 7 later, but 3 to 5 later in south.
- Sea state
- Moderate, becoming rough later in north.
- Weather
- Showers, fog patches at first.
- Visibility
- Moderate or good, occasionally very poor at first.
Outlook for the following 24 hours
Storms are expected in Denmark Strait and 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.