High seas forecast and storm warnings
The general synopsis for UK
At 200000UTC, low 57 north 01 west 992 expected 57 north 08 west 991 by 210000UTC. New high expected northern Ireland 1025 by same time. Low 63 north 14 west 995 losing its identity by that time. at 200000UTC, high 50 north 35 west 1017 dissipating
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Variable 2 to 4, becoming easterly or southeasterly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Showers, rain later in west.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Variable 2 to 4.
- Sea state
- Moderate, occasionally slight later.
- Weather
- Mainly fair.
- Visibility
- Good.
Rockall
- Wind
- Southwesterly 3 to 5, occasionally 6 in north, becoming variable 3 or less later in south.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good.
Bailey
- Wind
- Southwest 4 to 6, occasionally 7.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
Faeroes
- Wind
- Southwest 4 to 6, occasionally 7.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Moderate or good.
Southeast Iceland
- Wind
- Cyclonic 3 to 5, occasionally 6 in south.
- Sea state
- Moderate, occasionally slight near Iceland and rough elsewhere.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
East Northern Section
In north
- Wind
- Cyclonic 4 to 6, becoming variable 2 to 4 later in west.
- Sea state
- Slight or moderate, occasionally rough in far east and at first in far northwest.
- Weather
- Occasional rain, then showers.
- Visibility
- Good, occasionally poor at first.
In south
- Wind
- Westerly or southwesterly 4 to 6, decreasing 3 or 4 later.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate at first.
West Northern Section
In northeast
- Wind
- Cyclonic 4 to 6, decreasing 3 or 4, becoming variable 3 or less later.
- Sea state
- Rough becoming moderate, occasionally slight later.
- Weather
- Occasional rain then showers.
- Visibility
- Good, occasionally moderate.
In south
- Wind
- Cyclonic 3 to 5, becoming variable 3 or less in northwest.
- Sea state
- Moderate.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
In northwest
- Wind
- Northerly or northwesterly 3 or 4, becoming variable 3 or less.
- Sea state
- Moderate, occasionally slight later.
- Weather
- Showers later in southeast.
- Visibility
- Good, occasionally moderate later in southeast.
East Central Section
In north
- Wind
- Westerly or southwesterly 3 to 5, becoming variable 2 to 4, then easterly or southeasterly 3 to 5 later.
- Sea state
- Moderate.
- Weather
- Showers, rain later in south.
- Visibility
- Good, occasionally moderate later in south.
In south
- Wind
- Variable 3 or less at first in northeast, otherwise cyclonic mainly easterly 4 to 6, occasionally 7 at first in far southwest, decreasing 3 or less later in southwest.
- Sea state
- Moderate, occasionally rough in southwest.
- Weather
- Mainly fair at first in north and east, otherwise rain at times, fog patches developing in south and later in north.
- Visibility
- Good at first in north and east, otherwise moderate or good, occasionally very poor in south and later in north.
West Central Section
In north
- Wind
- Westerly or southwesterly becoming variable, 2 to 4, then becoming southerly or southeasterly 3 to 5 later, then increasing 6 to gale 8 later in southwest.
- Sea state
- Moderate, becoming rough later in southwest.
- Weather
- Showers, rain later in southwest.
- Visibility
- Good, becoming moderate or poor later in southwest.
In southeast
- Wind
- Northeasterly 4 to 6, occasionally 7 at first in far southeast, becoming cyclonic 3 to 5 later.
- Sea state
- Moderate, occasionally rough in southeast.
- Weather
- Mainly fair, but occasional rain or drizzle in southeast.
- Visibility
- Good, occasionally poor in southeast.
In southwest
- Wind
- Variable 2 to 4, becoming southeasterly 4 to 6, increasing 6 to gale 8 later.
- Sea state
- Moderate, becoming rough at times later.
- Weather
- Showers, rain later.
- Visibility
- Good, becoming moderate or poor later.
Denmark Strait
- Wind
- Northerly or northeasterly 4 to 6, becoming variable 2 to 4 in west and also later in east.
- Sea state
- Slight or moderate, occasionally rough in southeast.
- Weather
- Occasional rain in far southeast, fog patches in north.
- Visibility
- Moderate or good, occasionally very poor in north.
North Iceland
In north
- Wind
- Variable 2 to 4 in northwest, otherwise northeasterly backing northerly, 4 to 6.
- Sea state
- Slight or moderate, occasionally rough in south.
- Weather
- Occasional rain in southeast, fog patches in northwest.
- Visibility
- Moderate or good, occasionally poor in southeast and very poor in northwest.
In south
- Wind
- Cyclonic 5 to 7, occasionally gale 8 in east, becoming northwesterly 4 to 6 later in west.
- Sea state
- Moderate or rough occasionally very rough.
- Weather
- Occasional rain with fog patches, becoming mainly fair in northwest and also later in southwest.
- Visibility
- Moderate or good, occasionally very poor, becoming mainly good in northwest and also later in southwest.
Norwegian Basin
- Wind
- Southwesterly 4 to 6, increasing 7 at times later, perhaps gale 8 later in northwest.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers.
- Visibility
- Good, occasionally poor.
Outlook for the following 24 hours
Gales expected in West Central Section, north Iceland and Norwegian Basin.
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.