High seas forecast and storm warnings
The general synopsis for UK
At 291200UTC, low 53 north 22 west 1001 expected 54 north 11 west 1000 by 301200UTC. Low 64 north 31 west 1010 expected 61 north 29 west 1003 by same time. Lows 58 north 04 east 997, 52 north 05 west 999 and 64 north 31 west 1010 all losing their identities by that time. New low expected 47 north 44 west 1006 by 301200UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Rain or showers, thundery later.
- Visibility
- Good, occasionally poor later.
Shannon
- Wind
- Southwest veering northwest, 4 to 6, occasionally 7 later.
- Sea state
- Moderate or rough, occasionally very rough later in far south.
- Weather
- Thundery rain or showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- Variable 2 to 4, becoming northerly 4 to 6 later in west.
- Sea state
- Slight or moderate, occasionally rough later.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- Northeasterly 4 to 6.
- Sea state
- Slight or moderate, occasionally rough later in south.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally moderate.
Faeroes
- Wind
- Northeast veering east later, 3 to 5.
- Sea state
- Slight or moderate.
- Weather
- Occasional rain.
- Visibility
- Moderate or good, occasionally poor at first.
Southeast Iceland
- Wind
- Variable 2 to 4.
- Sea state
- Slight occasionally moderate in southeast.
- Weather
- Showers.
- Visibility
- Mainly good.
East Northern Section
In north
- Wind
- Variable 2 to 4, becoming cyclonic 3 to 5 later in far southwest.
- Sea state
- Slight or moderate.
- Weather
- Showers.
- Visibility
- Good occasionally moderate. Slight, occasionally moderate in south. Rain or showers. good, occasionally moderate.
In south
- Wind
- Northeasterly backing northerly, 4 to 6, becoming variable 2 to 4 in west, then becoming westerly or southwesterly 4 or 5 later in west.
- Sea state
- Moderate, occasionally rough later in far southeast.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north of area
- Wind
- Cyclonic, becoming northerly in west, 3 to 5, increasing 6 at times, then becoming variable 3 or less in far northwest.
- Sea state
- Moderate, occasionally rough at first in far east.
- Weather
- Showers.
- Visibility
- Good.
In south of area
- Wind
- Cyclonic becoming westerly for a time, 3 to 5, occasionally 6 at first in west.
- Sea state
- Moderate, occasionally rough at first in west.
- Weather
- Occasional rain at first in east and later in west.
- Visibility
- Good, occasionally moderate.
East Central Section
In north
- Wind
- Cyclonic, becoming northwesterly, 5 to 7, backing westerly 4 or 5 later in west.
- Sea state
- Moderate or rough.
- Weather
- Rain or thundery showers.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly 5 to 7, veering northwesterly 4 to 6, then backing westerly 3 or 4 later in west.
- Sea state
- Rough, occasionally very rough later in east, becoming moderate later in west.
- Weather
- Rain or thundery showers at first in east.
- Visibility
- Moderate or good, occasionally poor at first in east.
West Central Section
- Wind
- Northeasterly 3 or 4, but 5 or 6 at first in east, backing westerly or southwesterly 3 to 5, then becoming cyclonic 5 or 6 later in far southwest.
- Sea state
- Rough at first in east, otherwise moderate, occasionally slight later in west.
- Weather
- Rain at times later.
- Visibility
- Moderate or good, occasionally poor later.
Denmark Strait
- Wind
- Northeasterly 4 or 5 in far south, otherwise variable 2 to 4.
- Sea state
- Slight, occasionally moderate in far south.
- Weather
- Showers in south.
- Visibility
- Good.
North Iceland
In northeast
- Wind
- Cyclonic, becoming northerly or northwesterly 4 to 6.
- Sea state
- Moderate, occasionally rough in west and slight at first in east.
- Weather
- Rain or showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
In southwest
- Wind
- Northwesterly 3 to 5 in northeast, variable 2 to 4 in southwest.
- Sea state
- Slight or moderate.
- Weather
- Mainly fair.
- Visibility
- Good.
Norwegian Basin
- Wind
- Variable 2 to 4 at first in far northeast, otherwise northerly or northwesterly 4 or 5, occasionally 6 at first.
- Sea state
- Moderate, occasionally slight in east and later in far west.
- Weather
- Showers.
- Visibility
- Good.
Outlook for the following 24 hours
Gales expected in north 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.