High seas forecast and storm warnings
The general synopsis for UK
At 060000UTC, low 57 north 41 west 998 expected 60 north 32 west 994 by 070000UTC. Low 65 north 01 east 997 expected 64 north 04 east 997 by same time. Highs 50 north 07 west 1025 and 67 north 17 west 1014 both dissipating
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Variable 3 or less.
- Sea state
- Slight, occasionally moderate at first in west.
- Weather
- Fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Shannon
- Wind
- West or southwest, veering west or northwest later, 3 to 5.
- Sea state
- Slight, occasionally moderate.
- Weather
- Occasional drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Rockall
- Wind
- Southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain, fog patches.
- Visibility
- Moderate to very poor.
Bailey
- Wind
- Cyclonic 4 to 6, becoming southwest 3 to 5 later.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain, fog patches.
- Visibility
- Moderate to very poor.
Faeroes
- Wind
- Variable 2 to 4 in northeast, otherwise cyclonic 3 to 5.
- Sea state
- Moderate.
- Weather
- Occasional rain, fog patches in southwest.
- Visibility
- Moderate or good, occasionally very poor in southwest.
Southeast Iceland
- Wind
- Easterly or northeasterly, veering southeasterly later, 4 to 6.
- Sea state
- Moderate, occasionally slight at first then rough later in far west.
- Weather
- Rain in southwest.
- Visibility
- Good, occasionally poor in southwest.
East Northern Section
In area north of 61 north
- Wind
- Easterly 5 to 7, occasionally gale 8 just south of iceland and in west, veering southerly or southeasterly 4 or 5 in far south.
- Sea state
- Moderate or rough.
- Weather
- Rain at times, fog patches developing in far south.
- Visibility
- Moderate or good, occasionally very poor in far south and poor elsewhere.
In southern half or area
- Wind
- Southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate to very poor, occasionally good later in west.
In rest of area
- Wind
- Cyclonic 3 to 5, increasing 6 at times mainly in north.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate or good, occasionally very poor.
West Northern Section
In southeastern half of area
- Wind
- Cyclonic 3 to 5, occasionally 6 in south, becoming southwesterly 4 to 6 later.
- Sea state
- Moderate occasionally rough.
- Weather
- Rain or drizzle with fog banks, becoming mainly fair in southwest and later in southeast.
- Visibility
- Moderate or poor, occasionally very poor, becoming moderate or good in southwest and later in southeast.
In northwestern half of area
- Wind
- Northeasterly 5 to 7, becoming cyclonic 3 to 5 in far southeast.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair until later in northwest, otherwise occasional rain with fog patches.
- Visibility
- Mainly good until later in northwest, otherwise moderate or good, occasionally very poor.
East Central Section
In southeastern half of area
- Wind
- Variable 2 to 4.
- Sea state
- Moderate, occasionally slight in southeast.
- Weather
- Occasional drizzle or showers.
- Visibility
- Good, occasionally poor.
In northwestern half of area
- Wind
- Southwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle with fog patches.
- Visibility
- Moderate to very poor.
West Central Section
- Wind
- Southerly or southwesterly, becoming cyclonic later, 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain or drizzle and fog banks, then showers in northwest and later in far west.
- Visibility
- Moderate to very poor, becoming moderate or good in northwest and later in far west.
Denmark Strait
- Wind
- Southerly 3 to 5 in far north, but elsewhere variable 2 to 4, becoming easterly or northeasterly 3 to 5, occasionally 6 later in west.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain in southeast, fog patches developing, becoming fog banks later in north and west.
- Visibility
- Moderate or good, occasionally very poor.
North Iceland
In southeastern half of area
- Wind
- Cyclonic mainly easterly or northeasterly, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain or drizzle, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In northwestern half of area
- Wind
- Southerly or southeasterly 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain or drizzle in southeast, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic, becoming northerly or northwesterly later, 4 to 6, occasionally 7 at first.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain or showers, fair later in west.
- Visibility
- Good, occasionally poor.
Outlook for the following 24 hours
Risk of gales in East Northern 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.