High seas forecast and storm warnings
The general synopsis for UK
At 210000UTC, low 45 north 29 west 1014 expected 42 north 19 west 996 by 220000UTC. High 54 north 30 west 1029 expected 52 north 25 west 1030 by same time. Low 70 north 26 west 1008 losing its identity
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- North, veering northeast later, 4 or 5.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Showers, perhaps thundery.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- North veering northeast, 3 to 5.
- Sea state
- Moderate, occasionally slight in east.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate at first.
Rockall
- Wind
- North or northwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Moderate or good.
Bailey
- Wind
- North or northwest, backing west later, 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers, drizzle later.
- Visibility
- Moderate or good, occasionally poor later.
Faeroes
- Wind
- Northwesterly, backing westerly or southwesterly in west and later in east, 3 to 5.
- Sea state
- Slight or moderate, occasionally rough at first in far east.
- Weather
- Drizzle or showers later.
- Visibility
- Good, occasionally poor later.
Southeast Iceland
- Wind
- Variable 2 to 4, becoming southwesterly 4 to 6.
- Sea state
- Moderate, occasionally rough later in west.
- Weather
- Occasional drizzle or showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In southeastern half of area
- Wind
- Westerly or northwesterly 3 to 5, backing southwesterly 4 to 6 later.
- Sea state
- Moderate, occasionally rough later in northwest.
- Weather
- Showers or occasional drizzle.
- Visibility
- Good, occasionally poor.
In northwestern half of area
- Wind
- Southwesterly 4 or 5, increasing 5 or 6, occasionally 7 later in west.
- Sea state
- Moderate, occasionally slight at first in northeast, becoming moderate or rough.
- Weather
- Occasional rain or drizzle.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In southeastern half of area
- Wind
- Southerly or southwesterly 4 to 6, increasing 7 at times later.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair until later in southeast, otherwise occasional drizzle then rain, fog patches later in south.
- Visibility
- Moderate or good, occasionally poor, but very poor later in south.
In northwestern half of area
- Wind
- Southwesterly becoming cyclonic, 4 to 6, occasionally 7 in west.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle at times with fog patches, becoming mainly fair in far northwest.
- Visibility
- Moderate or good, occasionally very poor, becoming mainly good in far northwest.
East Central Section
In north
- Wind
- Variable 2 to 4, becoming southwesterly 4 to 6 later in northwest.
- Sea state
- Moderate occasionally slight.
- Weather
- Showers in east.
- Visibility
- Good.
In area south of 47 north
- Wind
- Northeasterly 6 to gale 8, occasionally severe gale 9 in south.
- Sea state
- Moderate or rough, occasionally very rough.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
In rest of area
- Wind
- Northeasterly 4 to 6, becoming variable 2 to 4 later in northwest.
- Sea state
- Moderate, occasionally rough in south.
- Weather
- Showers in east.
- Visibility
- Good.
West Central Section
In northeast
- Wind
- Variable 2 to 4, becoming southerly 3 to 5, increasing 5 or 6 later.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Rain later in west.
- Visibility
- Good, occasionally poor later in west.
In south
- Wind
- Variable 2 to 4 at first in far southwest, otherwise easterly or southeasterly 4 to 6, veering southwesterly 3 to 5 later in far west.
- Sea state
- Moderate, occasionally rough until later in east.
- Weather
- Occasional rain or drizzle in west, fog patches later in west.
- Visibility
- Moderate or good, occasionally poor at first in west then very poor later in west.
In northwest
- Wind
- Southerly or southeasterly, veering southwesterly later, 4 to 6.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Mainly fair then occasional rain and fog patches.
- Visibility
- Good, becoming moderate to very poor.
Denmark Strait
- Wind
- Cyclonic, 2 to 4 at first in north and west, otherwise 4 to 6, occasionally 7 later in northeast.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Rain at times, fog patches.
- Visibility
- Moderate to very poor, occasionally good near greenland coast.
North Iceland
In north
- Wind
- Variable 2 to 4, becoming cyclonic 3 to 5 later.
- Sea state
- Slight, occasionally moderate later in far south.
- Weather
- Mainly fair then rain and fog patches in southwest.
- Visibility
- Moderate or good, occasionally very poor in southwest.
In south
- Wind
- Northwesterly 4 or 5 at first in far southeast, otherwise variable 2 to 4, becoming cyclonic 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional drizzle then rain in west and also later in east, fog patches in west and also later in east.
- Visibility
- Moderate or good, occasionally very poor in west and also later in east.
Norwegian Basin
- Wind
- Variable 2 to 4 in far northeast, otherwise northerly or northwesterly 4 to 6, occasionally 7 at first in east, backing southwesterly 3 to 5 later in far west.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers in east.
- Visibility
- Good, occasionally poor in east.
Outlook for the following 24 hours
Severe gales expected in Denmark Strait with gales in East Northern Section, East Central Section and north Iceland. Risk of gales in West Northern Section.
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.