High seas forecast and storm warnings
The general synopsis for UK
At 130000UTC, low 48 north 45 west 1007 expected 54 north 40 west 1005 by 140000UTC. High 61 north 06 west 1034 slow-moving, declining 1031 by same time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- East or northeast 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally moderate.
Shannon
- Wind
- Easterly or northeasterly 4 or 5, occasionally 6 in south.
- Sea state
- Moderate, occasionally rough in southeast and slight in northeast.
- Weather
- Showers later.
- Visibility
- Good.
Rockall
- Wind
- Easterly or northeasterly 3 to 5, becoming variable 2 to 4 later in north.
- Sea state
- Slight or moderate.
- Weather
- Fair.
- Visibility
- Good.
Bailey
- Wind
- Variable 3 or less, but southwesterly 4 in northwest.
- Sea state
- Moderate, occasionally slight in southeast.
- Weather
- Fair.
- Visibility
- Moderate or good.
Faeroes
- Wind
- In southeast, variable 2 to 4. in northwest, southwesterly 3 to 5.
- Sea state
- In southeast, slight, becoming moderate at times. in northwest, slight or moderate.
- Weather
- In southeast, mainly fair. in northwest, fair.
- Visibility
- In southeast, good, occasionally poor. in northwest, good, occasionally moderate.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, occasionally 7 in north.
- Sea state
- Moderate, occasionally rough in north.
- Weather
- Fair.
- Visibility
- Moderate or good.
East Northern Section
- Wind
- Easterly or southeasterly 2 to 4 in far southeast, otherwise southerly or southwesterly 4 to 6.
- Sea state
- Moderate, occasionally slight in southeast and rough in northwest.
- Weather
- Occasional drizzle, but rain at times in northwest, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
In north
- Wind
- Cyclonic 3 to 5, decreasing 2 at times in north and west.
- Sea state
- Rough becoming moderate.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southeast
- Wind
- Southerly or southeasterly 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Cyclonic 3 to 5, increasing 6 at times later.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
East Central Section
In southeastern half of area
- Wind
- Northeasterly 4 or 5.
- Sea state
- Moderate.
- Weather
- Drizzle at times, showers later in southeast, perhaps thundery, fog patches at first in west.
- Visibility
- Moderate or good, occasionally poor, but very poor at first in west.
In northwestern half of area
- Wind
- Variable mainly easterly or southeasterly, 2 to 4.
- Sea state
- Moderate.
- Weather
- Occasional drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Central Section
In east
- Wind
- Variable 2 to 4 in southeast, otherwise southerly or southeasterly 3 to 5, occasionally 6 later in north.
- Sea state
- Moderate, becoming slight at times, occasionally rough later in northwest.
- Weather
- Rain or drizzle at times with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In west
- Wind
- Southerly or southeasterly becoming cyclonic, 4 to 6, becoming variable 2 to 4 later in south.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain and fog patches, mainly fair later in far west.
- Visibility
- Moderate or good, occasionally very poor, becoming mainly good later in far west.
Denmark Strait
- Wind
- Southerly or southwesterly 3 to 5 in east, variable 2 to 4 in west.
- Sea state
- Moderate or rough becoming slight or moderate.
- Weather
- Mainly fair in far north, otherwise rain or drizzle with fog banks.
- Visibility
- Moderate or good in far north, otherwise moderate to very poor.
North Iceland
- Wind
- Westerly 2 to 4 at first in far northwest, otherwise southwesterly 4 to 6, occasionally 7 in far south.
- Sea state
- Moderate or rough, becoming slight or moderate in west.
- Weather
- Mainly fair until later in far north and northwest, otherwise occasional rain or drizzle with fog patches, becoming fog banks later in west.
- Visibility
- Mainly good until later in far north and northwest, otherwise moderate or good, occasionally very poor.
Norwegian Basin
In southeastern half of area
- Wind
- Northerly 4 to 6 in south, otherwise variable mainly westerly, 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor.
In northwestern half of area
- Wind
- Westerly or southwesterly 3 to 5.
- Sea state
- Moderate, occasionally slight in south.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor.
Outlook for the following 24 hours
Gales expected in West Northern Section with a risk of gales in East 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.