High seas forecast and storm warnings
The general synopsis for UK
At 121200UTC, low 61 north 24 west 995 expected 65 north 15 west 1002 by 131200UTC. Low 58 north 58 west 998 expected 64 north 57 west 999 by same time. Low 50 north 60 west 997 expected 53 north 53 west 998 expected by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- In west, southerly or southwesterly veering northwesterly later, 3 to 5. in east, variable becoming mainly westerly or northwesterly later, 2 to 4.
- Sea state
- In west, moderate. in east, slight or moderate.
- Weather
- In west, showers, perhaps thundery. in east, showers, fog patches developing.
- Visibility
- In west, good, occasionally moderate. in east, good, occasionally very poor later.
Shannon
- Wind
- Mainly southwest 3 to 5.
- Sea state
- Moderate.
- Weather
- Rain or thundery showers, fog patches.
- Visibility
- Good, occasionally very poor.
Rockall
- Wind
- Mainly southwest 3 to 5.
- Sea state
- Moderate, occasionally rough until later.
- Weather
- Rain or thundery showers, fog patches.
- Visibility
- Good, occasionally very poor.
Bailey
- Wind
- Mainly southwest 3 to 5, occasionally 6 at first.
- Sea state
- Moderate, occasionally rough until later.
- Weather
- Rain or thundery showers, fog patches.
- Visibility
- Good, occasionally very poor.
Faeroes
- Wind
- Southerly or southwesterly elsewhere, 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain, fog banks until later.
- Visibility
- Moderate to very poor, occasionally good later.
Southeast Iceland
- Wind
- Southerly or southwesterly elsewhere, 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain, fog banks until later.
- Visibility
- Moderate to very poor, occasionally good later.
East Northern Section
- Wind
- Cyclonic, mainly southwesterly veering westerly or northwesterly 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Rain, drizzle or showers, perhaps thundery in north, fog patches at first in north.
- Visibility
- Moderate or good, occasionally poor until later, but very poor at times at first in north.
West Northern Section
- Wind
- Cyclonic mainly northerly or northwesterly, 4 to 6, becoming variable 2 to 4 in northwest, but backing southeasterly 4 to 6 later in southwest.
- Sea state
- Moderate or rough.
- Weather
- Mainly fair in west, occasional rain or drizzle in east.
- Visibility
- Moderate or good, occasionally poor until later in east.
East Central Section
In northern half of the area
- Wind
- Cyclonic becoming mainly westerly or northwesterly, 4 to 6.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Showers, thundery at first in east.
- Visibility
- Moderate or good.
In southern half of the area
- Wind
- Cyclonic becoming northwesterly 3 to 5, then variable 3 or less later in southwest.
- Sea state
- Moderate, occasionally rough until later.
- Weather
- Thundery rain or showers at first in east, but mainly fair in west.
- Visibility
- Moderate or good, occasionally poor at first in east.
West Central Section
In northeastern half of the area
- Wind
- Northwesterly 3 to 5, occasionally 6 at first, becoming variable 2 to 4 later.
- Sea state
- Moderate, occasionally rough at first.
- Weather
- Showers at first, becoming fair.
- Visibility
- Moderate or good.
In southwestern half of the area
- Wind
- Variable 2 to 4, becoming southeasterly 4 to 6, occasionally 7 later.
- Sea state
- Moderate, occasionally rough later.
- Weather
- Fair, but then thundery rain later.
- Visibility
- Good, occasionally poor later.
Denmark Strait
- Wind
- Easterly or northeasterly 4 to 6, occasionally 7, but increasing 7 or gale 8 for a time in the east between 65 north and 69 north, decreasing 2 to 4 later close to greenland.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain in east and south, fog patches at first in east.
- Visibility
- Moderate or good, occasionally very poor at first in east.
North Iceland
In area north of 72 north
- Wind
- Variable 2 to 4, occasionally easterly 5 in south of area.
- Sea state
- Slight or moderate.
- Weather
- Rain or drizzle at first in west, otherwise mainly fair.
- Visibility
- Moderate or good.
In the rest of the area
- Wind
- Cyclonic 4 to 6, occasionally 7 in west.
- Sea state
- Moderate, becoming moderate or rough.
- Weather
- Rain or showers, fog banks in south and southeast.
- Visibility
- Moderate or good in northeast, but elsewhere moderate to very poor.
Norwegian Basin
- Wind
- Southeasterly at first in east, southwesterly 4 to 6, occasionally 3 in west and 7 in east near norway.
- Sea state
- Moderate in west, but moderate or rough in east.
- Weather
- Rain or showers, fog patches in west.
- Visibility
- Moderate or good, occasionally very poor in west and occasionally poor in east.
Outlook for the following 24 hours
No hazards expected.
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.