High seas forecast and storm warnings
The general synopsis for UK
At 040000UTC, low 53 north 10 west 1003 expected 57 north 04 west 1001 by 050000UTC. New low expected 63 north 35 west 1011 by same time. High 54 north 36 west 1028 expected 51 north 33 west 1030 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic becoming northwesterly, 3 to 5, occasionally 6.
- Sea state
- Moderate, occasionally rough in west.
- Weather
- Showers.
- Visibility
- Moderate or good.
Shannon
- Wind
- Cyclonic becoming northwest, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- North or northwest 6 to gale 8.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Thundery rain.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- In southeast, northerly or northeasterly 6 to gale 8. in northwest, variable 3, becoming northerly 3 to 5.
- Sea state
- In southeast, moderate or rough, occasionally very rough in south. in northwest, moderate.
- Weather
- In southeast, rain, perhaps thundery. in northwest, showers.
- Visibility
- In southeast, good, occasionally poor. in northwest, good.
Faeroes
- Wind
- Northeasterly 4 to 6, occasionally 7 in south.
- Sea state
- Moderate, occasionally rough in south and slight in north.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Fair.
- Visibility
- Good.
East Northern Section
In north
- Wind
- Variable 2 to 4, becoming westerly or southwesterly 3 to 5 in north and west.
- Sea state
- Slight or moderate.
- Weather
- Showers, occasional drizzle later in west.
- Visibility
- Good, occasionally poor later in west.
In southeast
- Wind
- Northerly or northeasterly backing northwesterly, 3 to 5, occasionally 6 at first in southeast.
- Sea state
- Moderate, occasionally rough in southeast.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
In southwest
- Wind
- Northwesterly, backing westerly or southwesterly later, 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers, occasional drizzle later.
- Visibility
- Moderate or good, occasionally poor later.
West Northern Section
In north
- Wind
- Cyclonic 3 to 5, occasionally 2 in northwest and 6 at first in southwest.
- Sea state
- Slight or moderate, occasionally rough in south.
- Weather
- Occasional drizzle or showers, fog patches in west.
- Visibility
- Moderate or good, occasionally poor in east and very poor in west.
In south
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Moderate occasionally rough.
- Weather
- Showers, then rain or drizzle at times, fog patches in west.
- Visibility
- Moderate or good, occasionally poor in east and very poor in west.
East Central Section
- Wind
- Northerly or northwesterly in north and northerly or northeasterly in south, 3 to 5, occasionally 6 at first in northeast.
- Sea state
- Moderate, occasionally rough in east.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
West Central Section
In north
- Wind
- Variable 2 to 4, becoming westerly or southwesterly 3 to 5 later.
- Sea state
- Moderate occasionally slight.
- Weather
- Mainly fair, then showers later.
- Visibility
- Good, occasionally moderate later.
In south
- Wind
- Northeasterly 3 to 5, becoming variable 2 to 4 later in northwest.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good.
Denmark Strait
- Wind
- Variable 2 to 4, becoming southwesterly 4 to 6 in north but northerly 4 to 6 in far northeast.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In southeastern half of area
- Wind
- Variable 3 or less, becoming westerly or southwesterly 3 to 5 except in far southeast.
- Sea state
- Slight occasionally moderate.
- Weather
- Occasional drizzle or showers, fog patches in west.
- Visibility
- Moderate or good, occasionally very poor in west.
In northwestern half of area
- Wind
- Southwesterly, becoming cyclonic later, 4 or 5, increasing 6 or 7 later in far northwest.
- Sea state
- Slight or moderate, occasionally rough later in far northwest.
- Weather
- Occasional drizzle or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Westerly 4 or 5 at first in far northeast, otherwise variable 3 or less, becoming northeasterly 3 to 5, occasionally 6 later in south.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Outlook for the following 24 hours
Gales expected in Rockall with a risk of gales 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.