High seas forecast and storm warnings
The general synopsis for UK
At 290000UTC, low 61 north 08 west 994 expected 66 north 01 east 997 by 300000UTC. New low expected 58 north 10 west 1006 by same time. Low 69 north 22 east 998 expected 72 north 05 east 999 by that time. at 290000UTC, high 56 north 40 west 1024 expected 57 north 36 west 1025 by 300000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Variable becoming northwest, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- West or southwest, veering northwest later, 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional rain or showers.
- Visibility
- Good, occasionally poor at first and moderate later.
Rockall
- Wind
- Southwesterly 3 to 5 becoming cyclonic 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Rain or showers, perhaps thundery later.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Northerly 3 to 5 backing northwesterly 3 or 4.
- Sea state
- Rough becoming moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Cyclonic 6 to gale 8 becoming west or northwest 3 to 5.
- Sea state
- Moderate or rough, occasionally very rough at first in east.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor at first and moderate later.
Southeast Iceland
- Wind
- Northerly backing northwesterly 4 to 6, becoming variable 3 in west.
- Sea state
- Moderate or rough in east, slight or moderate in west.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
East Northern Section
In northeast
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally moderate.
In northwest
- Wind
- Northerly, backing northwesterly later, 4 or 5.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- Northerly or northwesterly 4 or 5, occasionally 6 at first in west and south.
- Sea state
- Moderate, occasionally rough at first in east.
- Weather
- Rain or showers, mainly in east.
- Visibility
- Good, occasionally moderate in east.
West Northern Section
In eastern half of the area
- Wind
- Northwesterly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
In western half of the area
- Wind
- Variable 2 to 4, becoming westerly or southwesterly 3 or 4 in north.
- Sea state
- Slight.
- Weather
- Fog patches in northwest.
- Visibility
- Moderate or good, occasionally very poor in northwest.
East Central Section
In northern half of the area
- Wind
- Northwesterly 3 to 5, becoming variable 2 to 4 later in west.
- Sea state
- Moderate.
- Weather
- Showers, mainly in east.
- Visibility
- Good.
In southern half of the area
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Rain or showers, thundery at times.
- Visibility
- Good, occasionally poor.
West Central Section
In northern half of the area
- Wind
- Variable 2 to 4, becoming easterly 4 or 5 later in southwest.
- Sea state
- Slight or moderate.
- Weather
- Fair.
- Visibility
- Good.
In southern half of the area
- Wind
- Northeasterly at first except in southeast, otherwise easterly or southeasterly, 4 to 6.
- Sea state
- Moderate.
- Weather
- Rain or showers, becoming thundery later in west, fog patches in west.
- Visibility
- Moderate or good, occasionally very poor in west.
Denmark Strait
- Wind
- Northerly 3 to 5 at first in far southeast, otherwise variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Fog patches in east.
- Visibility
- Moderate or good, occasionally very poor in east.
North Iceland
In northwestern half of the area
- Wind
- Variable 2 to 4, becoming northerly or northwesterly 4 or 5 later.
- Sea state
- Slight or moderate.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southeastern half of the area
- Wind
- Northerly or northeasterly 3 to 5 until later in north, otherwise northerly or northwesterly 4 to 6, occasionally 7 near eastern Iceland.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle at times, with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
In western half of the area
- Wind
- Mainly cyclonic 4 to 6, but becoming southwesterly 6 to gale 8 for a time at first in southeast.
- Sea state
- Moderate or rough.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
In eastern half of the area
- Wind
- Southerly or southeasterly veering southwesterly, 4 to 6, occasionally 7 at first in west.
- Sea state
- Slight or moderate at first in far northeast, otherwise moderate or rough.
- Weather
- Rain then showers, fog patches at first in south.
- Visibility
- Moderate or good, occasionally poor at first in north and very poor at first in south.
Outlook for the following 24 hours
Risk of gales in the south of sea area 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.