High seas forecast and storm warnings
The general synopsis for UK
At 290000UTC, low 50 north 12 west 998 expected 54 north 04 east 999 by 300000UTC. Low 73 north 08 west 1003 losing its identity by same time. New low expected 67 north 10 east 997 by that time. at 290000UTC, low 58 north 03 west 994 expected 60 north 08 east 999 by 300000UTC. Low 54 north 23 west 1004 expected 53 north 17 west 999 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 at first, becoming west or southwest 5 to 7 later.
- Sea state
- Moderate or rough, occasionally very rough at first.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Northwesterly, backing southwesterly, becoming cyclonic later, 4 to 6, occasionally 7 in south.
- Sea state
- Moderate or rough, occasionally slight in north.
- Weather
- Thundery rain.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Northeast becoming cyclonic, 3 to 5.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Northeast 4 to 6, occasionally 7 later.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Northeast 4 to 6.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor at first.
Southeast Iceland
- Wind
- Northeasterly 5 at first in east, otherwise variable 2 to 4.
- Sea state
- Slight occasionally moderate in southeast.
- Weather
- Showers.
- Visibility
- Mainly good.
East Northern Section
In north
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good occasionally moderate.
In south
- Wind
- Northeasterly 3 to 5, occasionally 6 in south, becoming variable 2 to 4 later in west.
- Sea state
- Slight or moderate, occasionally rough in south.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
- Wind
- Northerly or northeasterly 5 or 6 at first in southeast, otherwise cyclonic 3 to 5, occasionally 6 later.
- Sea state
- Moderate occasionally slight in north.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
East Central Section
In north
- Wind
- Cyclonic, becoming northwesterly later, 5 to 7, occasionally 4 at first in north and later in west.
- Sea state
- Moderate or rough, occasionally very rough later in southeast.
- Weather
- Rain or thundery showers.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly 5 to 7, veering northwesterly 4 to 6 later, occasionally 7 in northeast.
- Sea state
- Moderate or rough, occasionally very rough later in northeast.
- Weather
- Rain or thundery showers.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
- Wind
- Northwesterly 4 to 6, occasionally 7 at first in east, backing westerly or southwesterly 3 to 5 later.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Denmark Strait
- Wind
- Variable 2 to 4, becoming cyclonic 4 or 5 later in far south.
- Sea state
- Slight occasionally moderate later.
- Weather
- Occasional rain, mainly in south, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In northeast
- Wind
- Cyclonic 3 to 5, occasionally 6 in southwest.
- Sea state
- Slight or moderate, becoming moderate or rough.
- Weather
- Rain or showers, fog banks in north, fog patches elsewhere.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Northwesterly 3 to 5, occasionally variable 2 in southwest.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Mainly good.
Norwegian Basin
- Wind
- Cyclonic 3 to 5 at first in east, otherwise northerly or northwesterly 4 to 6.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
Outlook for the following 24 hours
Gales expected in 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.