High seas forecast and storm warnings
The general synopsis for UK
At 150000UTC, new low expected 52 north 35 west 972 by 1600000UTC. High 60 north 32 west 1013 dissipating by same time. Low 69 north 02 east 971 expected 69 north 11 east by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 6 to gale 8, becoming southeasterly 4 to 6 later.
- Sea state
- Rough or very rough, occasionally moderate in east.
- Weather
- Rain or thundery showers.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Northerly or northwesterly 5 to 7, decreasing 3 to 5, veering southeasterly 5 to 7 later, occasionally gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough.
- Weather
- Showers, rain later.
- Visibility
- Good, occasionally poor later.
Rockall
- Wind
- In southwest, northerly or northwesterly 5 to 7, decreasing 3 to 5, veering southeasterly 5 to 7 later. in northeast, northerly or northwesterly 4 to 6, becoming variable 3 or less later.
- Sea state
- In southwest, moderate or rough, occasionally very rough. in northeast, rough or very rough.
- Weather
- Showers.
- Visibility
- Good.
Bailey
- Wind
- Northerly or northwesterly 4 to 6, becoming variable 3 or less later.
- Sea state
- Rough or very rough.
- Weather
- Showers.
- Visibility
- Good.
Faeroes
- Wind
- North or northwest 4 to 6, increasing 7 or gale 8 at times in north.
- Sea state
- Rough or very rough, occasionally high.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Northwesterly 6 to gale 8, becoming variable 3 or less later.
- Sea state
- Rough or very rough occasionally high in east, rough or very rough occasionally moderate in west.
- Weather
- Snow showers.
- Visibility
- Good, occasionally very poor.
East Northern Section
- Storm warning
-
Issued:
At 150000UTC, new low expected 52 north 35 west 972 by 1600000UTC. Winds are expected to reach storm force 10 in both East Northern Section and West Northern Section in an area north of 55 north, south of 56 north, east of 30 west, and west of 23 west from 160600UTC until 160800UTC.
In north
- Wind
- Variable 2 to 4, becoming easterly or southeasterly 3 to 5 later in south.
- Sea state
- Moderate or rough, occasionally slight later in north, becoming rough or very rough later in south.
- Weather
- Showers, occasionally wintry.
- Visibility
- Good, occasionally poor.
In south
- Wind
- Variable 2 to 4, becoming easterly or southeasterly 5 to 7, occasionally gale 8 in far southwest, increasing severe gale 9 to storm 10 later in southwest.
- Sea state
- Moderate or rough, occasionally very rough in east and southwest, becoming very rough or high later.
- Weather
- Showers in east, rain later in south.
- Visibility
- Good, becoming moderate or poor later in south.
West Northern Section
- Storm warning
-
Issued:
At 150000UTC, new low expected 52 north 35 west 972 by 1600000UTC. Winds are expected to reach storm force 10 in both East Northern Section and West Northern Section in an area north of 55 north, south of 56 north, east of 30 west, and west of 23 west from 160600UTC until 160800UTC.
In north
- Wind
- Westerly or southwesterly 3 to 5, becoming variable 2 to 4, then easterly 4 to 6 later in south.
- Sea state
- Moderate, becoming rough or very rough later in south.
- Weather
- Showers.
- Visibility
- Good.
In south
- Wind
- Variable 2 to 4 at first in north, otherwise easterly 5 to 7, occasionally gale 8 at first in far southwest, backing northeasterly gale 8 to storm 10 later in southeast.
- Sea state
- Moderate or rough, becoming rough or very rough, then very rough or high later.
- Weather
- Rain at times in south.
- Visibility
- Good, occasionally poor in south.
East Central Section
In north
- Wind
- Variable 2 to 4 at first in south, otherwise easterly or northeasterly 3 to 5, becoming cyclonic, mainly southeasterly, 6 to gale 8, occasionally severe gale 9.
- Sea state
- Rough, becoming very rough or high later.
- Weather
- Rain at times.
- Visibility
- Good, becoming moderate or poor at times.
In south
- Wind
- Variable 2 to 4, becoming cyclonic 6 to gale 8, then becoming southwesterly 6 or 7 later.
- Sea state
- Rough or very rough, occasionally moderate at first, becoming very rough or high later.
- Weather
- Good, becoming moderate or poor at times.
- Visibility
West Central Section
- Wind
- Cyclonic, mainly southerly or southeasterly at first and westerly or southwesterly later, 6 to gale 8, occasionally severe gale 9 later in far northeast.
- Sea state
- Moderate or rough, occasionally very rough, becoming rough or very rough, then very rough or high later, occasionally very high later in south.
- Weather
- Rain at times, fog patches in west until later.
- Visibility
- Moderate or good, occasionally poor, becoming very poor at times in west until later.
Denmark Strait
- Wind
- Variable 2 to 4, becoming northeasterly 4 to 6 later, except in far southeast.
- Sea state
- Slight or moderate, occasionally rough at first in far southeast.
- Weather
- Snow showers in east.
- Visibility
- Good, occasionally very poor in east.
North Iceland
In southeast quadrant
- Wind
- Northeasterly 7 to severe gale 9, decreasing 5 to 7, then 3 to 5 later.
- Sea state
- Very rough or high, becoming rough, then moderate or rough later.
- Weather
- Snow showers.
- Visibility
- Good, occasionally very poor.
In southwest quadrant
- Wind
- Northeasterly 5 to 7, becoming variable 3 or less later.
- Sea state
- Rough or very rough, becoming moderate later.
- Weather
- Snow showers later.
- Visibility
- Good, occasionally very poor later.
In rest of area
- Wind
- Northerly or northwesterly 5 to 7, becoming cyclonic 4 to 6, rough or very rough, becoming moderate or rough.
- Sea state
- Occasional snow or snow showers, good, occasionally poor.
- Weather
- Light to moderate icing with temperatures of ms 02 to ms 04.
- Visibility
Norwegian Basin
- Wind
- Cyclonic, mainly westerly or southeasterly, 6 to gale 8, occasionally severe gale 9 at first, becoming westerly or northwest 5 to 7 later.
- Sea state
- Very rough or high, becoming rough or very rough, then rough later.
- Weather
- Rain then showers.
- Visibility
- Good, occasionally poor at first.
Outlook for the following 24 hours
A risk of storms in East Northern Section, West Northern Section, East Central Section and West Central 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.