High seas forecast and storm warnings
The general synopsis for UK
At 031200UTC, high 58 north 03 west 1041 expected 58 north 01 east 1039 by 041200UTC. Low 57 north 48 west 994 expected 58 north 43 west 1002 by same time
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, occasionally moderate.
Shannon
- Wind
- East or northeast, 3 to 5.
- Sea state
- Moderate, but moderate or rough in south.
- Weather
- Showers.
- Visibility
- Good occasionally moderate.
Rockall
- Wind
- In northwest, southerly or southeasterly 3 to 5. in southeast, variable 2 to 4, becoming easterly or southeasterly 3 or 4.
- Sea state
- In northwest, moderate or rough. in southeast, moderate.
- Weather
- In northwest, showers. in southeast, showers.
- Visibility
- In northwest, good occasionally moderate. in southeast, good.
Bailey
- Wind
- In southeast, southerly or southwesterly 3 to 5, becoming variable 2 to 4. in northwest, southerly or southwesterly 5 or 6, decreasing 3 to 5.
- Sea state
- In southeast, moderate or rough. in northwest, rough or very rough, becoming moderate or rough later.
- Weather
- In southeast, showers. in northwest, occasional rain.
- Visibility
- In southeast, good. in northwest, moderate or good.
Faeroes
- Wind
- Southwesterly 4 to 6, decreasing 2 to 4 later.
- Sea state
- Moderate or rough, but slight or moderate in northeast.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, occasionally 7 at first in north, decreasing 2 to 4 later.
- Sea state
- Rough or very rough, becoming moderate or rough.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
East Northern Section
In southeastern half of area
- Wind
- Southerly or southeasterly 4 or 5, occasionally 6 later in west.
- Sea state
- Moderate or rough, but very rough at first in north.
- Weather
- Rain or showers.
- Visibility
- Good occasionally moderate.
In northwestern half of area
- Wind
- Southerly or southwesterly, backing southerly or southeasterly later, 4 to 6.
- Sea state
- Rough or very rough, becoming rough occasionally moderate later.
- Weather
- Showers, then rain, drizzle and fog patches later in southeast.
- Visibility
- Good occasionally moderate, becoming moderate occasionally very poor later in southeast.
West Northern Section
In west of area
- Wind
- Cyclonic 4 to 6, increasing 7 to severe gale 9.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers, but sleet and snow in northwest.
- Visibility
- Moderate or good occasionally very poor.
In east of area
- Wind
- Southerly or southeasterly 5 to 7.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good occasionally poor.
East Central Section
- Wind
- Variable 2 to 4 at first in northwest, otherwise easterly or southeasterly 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Showers, but rain, drizzle and fog patches in west.
- Visibility
- Good occasionally moderate, but moderate or good occasionally very poor in west.
West Central Section
In far southeast of area
- Wind
- Cyclonic 3 to 5.
- Sea state
- Rough becoming moderate.
- Weather
- Rain or showers.
- Visibility
- Good occasionally moderate.
In rest of area
- Wind
- Southerly or southwesterly, becoming cyclonic later, 4 to 6, increasing 7 later in south.
- Sea state
- Rough, but very rough at first in far north.
- Weather
- Rain or showers.
- Visibility
- Moderate or good occasionally poor.
Denmark Strait
In east of area
- Wind
- Southwesterly 5 to 7, but 7 to severe gale 9 at first in north, backing southeasterly later in west.
- Sea state
- Rough or very rough, becoming moderate or rough later.
- Weather
- Showers, rain later in west.
- Visibility
- Good occasionally moderate, but poor later in west.
In west of area
- Wind
- Cyclonic 5 to 7, occasionally gale 8 later near the greenland coast in west.
- Sea state
- Rough or very rough.
- Weather
- Rain, sleet and snow.
- Visibility
- Moderate or good occasionally very poor.
North Iceland
- Storm warning
-
Issued:
Southwesterly winds are expected to reach storm force 10 in north Iceland, between 69 north and 71 north, after 032300UTC until 040700UTC.
In area north of 71 north
- Wind
- Cyclonic 4 to 6, becoming westerly or southwesterly 3 to 5 later.
- Sea state
- Moderate or rough, becoming rough or very rough in southeast.
- Weather
- Occasional rain, drizzle and fog patches, becoming fair later.
- Visibility
- Moderate or good occasionally very poor, becoming good later.
In rest of area
- Wind
- Westerly or southwesterly 5 to 7, but 7 to severe gale 9 until later in north, occasionally storm 10 at first in north, decreasing 3 to 5 later in south.
- Sea state
- Rough or very rough, becoming high for a time in north, then moderate or rough later in southwest.
- Weather
- Showers, occasional rain or drizzle in south.
- Visibility
- Good, but moderate or good occasionally poor in south.
Norwegian Basin
- Wind
- Westerly or southwesterly 5 to 7, but 3 or 4 in far south.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or drizzle, fog patches later in west.
- Visibility
- Moderate or good, occasionally poor and very poor later in west.
Outlook for the following 24 hours
Severe gales are expected in West Central Section, 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.