High seas forecast and storm warnings
The general synopsis for UK
At 140000UTC, low 54 north 40 west 1005 expected 62 north 35 west 1000 by 150000UTC. Low 43 north 16 west 1010 expected 46 north 14 west 1012 by same time. High 61 north 06 west 1031 expected 61 north 01 west 1030 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- East or northeast 3 to 5.
- Sea state
- Moderate, occasionally slight later in east.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- East 3 to 5.
- Sea state
- Moderate, occasionally slight mainly in north.
- Weather
- Thundery showers in south.
- Visibility
- Good, occasionally moderate in south.
Rockall
- Wind
- Variable mainly east, 2 to 4.
- Sea state
- Slight, occasionally moderate at first.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southwesterly 3 to 5 in northwest, otherwise variable 2 to 4.
- Sea state
- Moderate, becoming slight at times.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Faeroes
- Wind
- Variable 2 to 4, but southwesterly 3 to 5 in northwest.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southwesterly 4 to 6, occasionally 7 in north.
- Sea state
- Moderate.
- Weather
- Occasional drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
East Northern Section
In southeastern half of area
- Wind
- Southerly or southeasterly 3 to 5, occasionally 6 at first in west, becoming variable 2 to 4 later.
- Sea state
- Moderate, occasionally slight in southeast and rough in northwest.
- Weather
- Occasional drizzle and fog patches except in far southeast.
- Visibility
- Moderate or good, occasionally very poor except in far southeast.
In northwestern half of area
- Wind
- Southerly, veering southwesterly later, 4 to 6, increasing 6 to gale 8 later in northwest.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain at times in northwest and drizzle elsewhere, fog patches until later.
- Visibility
- Moderate or good, occasionally very poor until later.
West Northern Section
- Wind
- Cyclonic 4 to 6, increasing 6 to gale 8 for a time except in far southeast and far northwest, becoming variable 2 to 4 later in far southeast.
- Sea state
- Moderate or rough, occasionally very rough later in east.
- Weather
- Rain at times with fog patches, becoming mainly fair in south and later elsewhere except in far northeast, then rain later in far southwest.
- Visibility
- Moderate or good, occasionally very poor in north and at first in south, becoming poor at times later in far southwest.
East Central Section
In southeastern half of area
- Wind
- Northeasterly becoming cyclonic, 3 to 5.
- Sea state
- Moderate.
- Weather
- Showers in southeast, thundery at times, fog patches in far northwest.
- Visibility
- Moderate or good, occasionally poor in southeast and very poor in far northwest.
In northwestern half of area
- Wind
- Southerly 3 to 5 at first in northwest, otherwise variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Occasional drizzle and fog patches except in far east.
- Visibility
- Moderate or good, occasionally very poor except in far east.
West Central Section
In north
- Wind
- Cyclonic 4 to 6, becoming variable 2 to 4.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Occasional rain or drizzle and fog patches in east and south.
- Visibility
- Moderate or good, occasionally very poor in east and south.
In south
- Wind
- Variable 2 to 4, becoming cyclonic 4 to 6 in west.
- Sea state
- Moderate.
- Weather
- Occasional drizzle in east and rain at times in west, fog patches mainly in west.
- Visibility
- Moderate or good, occasionally very poor mainly in west.
Denmark Strait
In east
- Wind
- Southerly or southwesterly 3 to 5, increasing 5 to 7 later in far south.
- Sea state
- Slight or moderate, becoming rough later in far southwest.
- Weather
- Rain or drizzle in south, fog banks, becoming mainly fair later in far north and far southeast.
- Visibility
- Moderate to very poor, becoming moderate or good later in far north and far southeast.
In west
- Wind
- Variable 2 to 4, becoming cyclonic 3 to 5, occasionally 6 later.
- Sea state
- Moderate, becoming rough later in southeast.
- Weather
- Rain or drizzle and fog banks.
- Visibility
- Moderate to very poor.
North Iceland
- Wind
- Southerly or southwesterly, becoming cyclonic later in far northwest, 3 to 5, but 5 to 7 in far southeast.
- Sea state
- Slight or moderate, occasionally rough in far southeast.
- Weather
- Mainly fair in far northwest, otherwise occasional drizzle, but rain at times in central areas, fog banks in north except far northwest, and fog patches in south.
- Visibility
- Mainly good in far northwest, otherwise moderate to very poor, occasionally good in south.
Norwegian Basin
In north
- Wind
- Westerly or southwesterly 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional drizzle, fog patches later in northwest.
- Visibility
- Moderate or good, occasionally poor, but very poor later in northwest.
In south
- Wind
- Northerly 4 or 5 near norway, otherwise variable 2 to 4.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good, occasionally poor.
Outlook for the following 24 hours
Gales expected 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.