High seas forecast and storm warnings
The general synopsis for UK
At 220000UTC, low 65 north 32 west 983 expected 66 north 27 west 996 by 230000UTC. New lows expected 75 north 05 west 988 and 62 north 36 west 1001 by same time. Low moving rather quickly northeast expected 50 north 43 west 998 by that time. at 220000UTC, high 44 north 38 west 1032 expected 48 north 21 west 1031 by 230000UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, variable 2 to 4, becoming northerly or northeasterly 3 to 5. in east, variable 2 to 4, becoming northwesterly 3 to 5 later.
- Sea state
- In west, moderate or rough. in east, slight or moderate, becoming moderate or rough.
- Weather
- In west, showers. in east, showers, fog patches.
- Visibility
- In west, moderate or good. in east, moderate or good, occasionally very poor.
Shannon
- Wind
- Cyclonic 3 to 5.
- Sea state
- Rough, occasionally moderate at first.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- In northwest, southwesterly 4 to 6. in southeast, southwesterly 3 to 5, becoming variable 2 to 4, then northwesterly 4 to 6 later.
- Sea state
- In northwest, rough or very rough. in southeast, moderate or rough, occasionally very rough.
- Weather
- In northwest, showers. in southeast, occasional rain, showers later.
- Visibility
- In northwest, good. in southeast, good, occasionally poor.
Bailey
- Wind
- In southeast, southwesterly 4 to 6. in northwest, southwesterly 7 or gale 8, decreasing 6.
- Sea state
- In southeast, rough or very rough. in northwest, very rough, becoming high for a time.
- Weather
- In southeast, showers. in northwest, squally showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Southwesterly 5 to 7, occasionally 4 later.
- Sea state
- Rough or very rough.
- Weather
- Squally showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly 5 to 7, occasionally gale 8.
- Sea state
- Rough or very rough, becoming high for a time.
- Weather
- Squally showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In north
- Wind
- Southwesterly 7 to severe gale 9, decreasing 6 or 7, perhaps gale 8 later in west.
- Sea state
- Very rough or high, becoming rough or very rough later.
- Weather
- Squally showers.
- Visibility
- Good, occasionally poor.
In south
- Wind
- Southwesterly 5 or 6, occasionally 7 at first and 4 later.
- Sea state
- Very rough or high becoming rough or very rough.
- Weather
- Showers, squally at first.
- Visibility
- Moderate or good, occasionally poor at first.
West Northern Section
In northeast
- Wind
- Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 at first in east, becoming cyclonic 4 to 6 in north.
- Sea state
- Very rough or high becoming rough or very rough.
- Weather
- Occasional rain then showers, squally at times.
- Visibility
- Moderate or good, occasionally poor at first.
In south
- Wind
- Southwesterly 5 to 7, occasionally gale 8 in north, decreasing 4 or 5 later in north and becoming cyclonic 4 to 6 later in south.
- Sea state
- Rough or very rough, becoming rough later.
- Weather
- Showers, squally until later, then rain later in south.
- Visibility
- Moderate or good.
In northwest
- Wind
- Cyclonic, 4 to 6, but 7 or gale 8 until later in far south.
- Sea state
- Rough or very rough, becoming moderate or rough later in west.
- Weather
- Occasional rain or showers in east and also later in west.
- Visibility
- Good, occasionally poor in east and also later in west.
East Central Section
In east
- Wind
- Cyclonic 3 to 5, becoming variable 2 to 4 later.
- Sea state
- Rough, occasionally very rough at first in north and moderate later in far south.
- Weather
- Showers, but occasional rain in southeast.
- Visibility
- Moderate or good, occasionally poor in southeast.
In southwest
- Wind
- Variable 2 to 4, becoming southerly or southeasterly 6 to gale 8 later.
- Sea state
- Rough, occasionally very rough later in west.
- Weather
- Showers, rain later in west.
- Visibility
- Good, occasionally poor later in west.
In northwest
- Wind
- Southwesterly 4 to 6, backing southeasterly 5 to 7 later, occasionally gale 8 later in southwest.
- Sea state
- Rough occasionally very rough.
- Weather
- Showers, rain later.
- Visibility
- Moderate or good, occasionally poor later.
West Central Section
- Storm warning
-
Issued:
At 220000UTC, low moving rather quickly northeast expected 50 north 43 west 998 by 230000UTC. Northwesterly winds are expected to reach storm force 10 between 47 and 52 north in the far west of West Central Section from 230600UTC.
In north
- Wind
- Southwesterly 4 to 6, becoming cyclonic 7 to severe gale 9 later, occasionally storm 10 later in far southwest.
- Sea state
- Rough or very rough, occasionally high later in far southwest.
- Weather
- Showers, rain later.
- Visibility
- Moderate or good, becoming moderate or poor later.
In southeast
- Wind
- Variable 2 to 4, becoming southeasterly 3 to 5, then cyclonic, mainly southerly, 7 to severe gale 9 later.
- Sea state
- Rough, becoming very rough later.
- Weather
- Showers at first, rain later.
- Visibility
- Good, becoming moderate or poor later.
In southwest
- Wind
- Southerly or southwesterly 3 to 5, backing southeasterly 6 to gale 8, becoming cyclonic 7 to severe gale 9 later, occasionally storm 10 later in far northwest.
- Sea state
- Rough becoming rough or very rough, then very rough or high later.
- Weather
- Showers then rain.
- Visibility
- Good, becoming moderate or poor.
Denmark Strait
In far southeast
- Wind
- Cyclonic 3 to 5, increasing 5 to 7.
- Sea state
- Rough or very rough, occasionally moderate near Iceland.
- Weather
- Showers then rain.
- Visibility
- Good, occasionally poor.
In rest of area
- Wind
- Northerly or northeasterly 6 to gale 8, occasionally severe gale 9 at first then decreasing 5 at times, becoming variable 2 to 4 in far west and also later elsewhere near the greenland coast.
- Sea state
- Rough or very rough, occasionally moderate near the greenland coast.
- Weather
- Occasional rain, sleet and snow.
- Visibility
- Moderate or poor, occasionally very poor, becoming good at times later.
North Iceland
In southeastern half of area
- Wind
- Cyclonic 3 to 5 in far northwest, otherwise southerly or southwesterly 5 to 7, increasing gale 8 at times in southeast.
- Sea state
- Rough or very rough, occasionally moderate in far northwest and high in southeast.
- Weather
- Showers in southeast, occasional rain or drizzle and fog patches in north and west.
- Visibility
- Moderate or good, occasionally poor in southeast and very poor in north and west.
In northwestern half of area
- Wind
- Cyclonic 3 to 5 until later in far east and far southeast, otherwise easterly or northeasterly backing northerly or northwesterly, 6 to gale 8, decreasing 4 or 5 later in south.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Rain or drizzle and fog patches until later in east and south, otherwise occasional rain and snow.
- Visibility
- Moderate or poor, occasionally very poor, becoming good at times later. Light icing in northwest with temperatures around ms02.
Norwegian Basin
- Wind
- Southerly or southwesterly 5 to 7, occasionally gale 8 at first in east, decreasing 3 to 5 later.
- Sea state
- Moderate or rough, becoming rough or very rough in northwest.
- Weather
- Rain then showers.
- Visibility
- Moderate or good, occasionally poor at first.
Outlook for the following 24 hours
Violent storms expected in both east and West Northern Sections and both east and West Central Sections, with severe gales in Rockall and Bailey. Gales expected in all other areas except Sole and Norwegian Basin, these perhaps severe in Southeast 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.