High seas forecast and storm warnings
The general synopsis for UK
At 250000UTC, low 48 north 14 west 1010 expected 49 north 13 west 1008 by 260000UTC. Low Newfoundland 999 expected 53 north 40 west 995 by same time. New low expected 68 north 12 west 998 by that time. at 250000UTC, low 69 north 10 west 1000 expected 73 north 10 west 997 by 260000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 3 to 5, occasionally 6 in west, increasing 5 to 7 later in west.
- Sea state
- Moderate, occasionally rough in west and slight at first in east.
- Weather
- Thundery showers, fog patches.
- Visibility
- Moderate, occasionally very poor.
Shannon
- Wind
- Cyclonic 4 to 6, occasionally 7 later.
- Sea state
- Moderate, becoming rough at times.
- Weather
- Thundery showers, fog patches.
- Visibility
- Moderate, occasionally very poor.
Rockall
- Wind
- In northwest, variable 2 to 4. in southeast, cyclonic 3 to 5, becoming northerly 4 to 6.
- Sea state
- Moderate.
- Weather
- In northwest, rain. in southeast, thundery rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southwest becoming cyclonic, then west or northwest later, 3 to 5, increasing 6 at times.
- Sea state
- Moderate, occasionally rough.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Faeroes
- Wind
- Southwest becoming cyclonic, then west or northwest later, 3 to 5, increasing 6 at times.
- Sea state
- Moderate, occasionally rough at first in west.
- Weather
- Occasional rain, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Southeast Iceland
- Wind
- Southwesterly 5 to 7.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In north
- Wind
- Variable 2 to 4 at first in far northwest, otherwise southwesterly 4 to 6, occasionally 7 until later.
- Sea state
- Moderate or rough.
- Weather
- Showers, squally at times.
- Visibility
- Good, occasionally moderate.
In south
- Wind
- Northwesterly 3 or 4 until later in far southeast, otherwise southwesterly 4 to 6, backing southerly or southeasterly 5 to 7 later in southwest.
- Sea state
- Moderate, occasionally rough in north and west.
- Weather
- Showers, but occasional rain at first in far southeast and later in west.
- Visibility
- Moderate or good, occasionally poor at first in far southeast and then later in west.
West Northern Section
In north
- Wind
- Variable 2 to 4 at first in north and west, otherwise westerly or southwesterly 3 to 5.
- Sea state
- Moderate occasionally slight.
- Weather
- Rain at first in northeast, otherwise showers.
- Visibility
- Moderate or good, occasionally poor at first in northeast.
In south
- Wind
- Westerly or southwesterly 4 to 6, becoming cyclonic 3 to 5 in south and later in north, then increasing 5 to 7 later in south.
- Sea state
- Moderate or rough.
- Weather
- Showers, rain later.
- Visibility
- Good, occasionally poor later.
East Central Section
In southeast
- Wind
- Northerly 4 to 6, occasionally 7 in east, backing southwesterly later in far west.
- Sea state
- Occasional rain or showers, perhaps thundery.
- Weather
- Good, occasionally poor in east.
- Visibility
In northwest
- Wind
- Westerly or northwesterly 3 to 5, becoming variable 2 to 4, then southerly 5 to 7 later in west.
- Sea state
- Moderate, becoming rough at times.
- Weather
- Showers, but occasional rain at first in far east and later in northwest.
- Visibility
- Good, occasionally moderate.
West Central Section
- Wind
- Variable 2 to 4 at first in north and east, otherwise southerly 4 to 6, becoming cyclonic 5 to 7, occasionally gale 8 in west and also later in east.
- Sea state
- Moderate becoming moderate or rough, occasionally very rough later.
- Weather
- Showers, then rain at times with fog patches.
- Visibility
- Good, becoming moderate to very poor, occasionally good.
Denmark Strait
- Wind
- Variable 2 to 4, becoming cyclonic 3 to 5, then southwesterly later in south.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain or drizzle, fog patches in south, fog banks in north.
- Visibility
- Moderate to very poor.
North Iceland
In north
- Wind
- Cyclonic 3 to 5, increasing 5 or 6 later in northwest.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain or drizzle, fog patches in east and fog banks in west.
- Visibility
- Moderate to very poor.
In south
- Wind
- Cyclonic 3 to 5, becoming southwesterly 6 to gale 8 in southeast, then decreasing 4 to 6 later in southeast.
- Sea state
- Slight or moderate, becoming moderate or rough in east.
- Weather
- Occasional rain or drizzle with fog patches, then showers in southeast.
- Visibility
- Moderate to very poor, becoming mainly good in southeast.
Norwegian Basin
- Wind
- Southwesterly 4 or 5, occasionally 6 later in southeast.
- Sea state
- Moderate.
- Weather
- Occasional rain, drizzle or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for the following 24 hours
Gales expected in east and West Northern Sections and east and West Central Sections 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.