High seas forecast and storm warnings
The general synopsis for UK
At 100000UTC, low 64 north 27 west 980 expected 65 north 35 west 980 by 110000UTC. New low expected 67 north 15 west 981 by same time. Low 42 north 47 west 1011 expected 48 north 35 west 1006 by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Southwest 4 to 6, veering northwest 3 or 4 later.
- Sea state
- Moderate or rough.
- Weather
- Occasional rain.
- Visibility
- Moderate or good.
Shannon
- Wind
- West or southwest 4 to 6.
- Sea state
- Moderate or rough.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Rockall
- Wind
- West or southwest 4 to 6.
- Sea state
- Rough, becoming very rough later in far northwest.
- Weather
- Showers.
- Visibility
- Good, occasionally moderate.
Bailey
- Wind
- South veering southwest 6 to gale 8.
- Sea state
- Rough, becoming very rough later.
- Weather
- Rain then showers.
- Visibility
- Moderate or poor, becoming good.
Faeroes
- Wind
- South veering southwest 5 to 7, occasionally gale 8 at first.
- Sea state
- Moderate or rough, becoming very rough later in west.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southeasterly 5 to 7, veering southwesterly 4 or 5, then veering westerly 5 to 7 perhaps gale 8 later.
- Sea state
- Moderate or rough, becoming very rough later in southwest.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
East Northern Section
In far northwest
- Wind
- Westerly or southwesterly 4 to 6.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
In rest of area
- Wind
- Westerly or southwesterly 6 to gale 8.
- Sea state
- Rough or very rough, occasionally high.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north
- Wind
- Westerly 4 to 6, becoming cyclonic 5 to 7, occasionally gale 8 in far northwest and far south.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor in northwest.
In south
- Wind
- Westerly or southwesterly 6 to gale 8.
- Sea state
- Rough or very rough, occasionally high in north.
- Weather
- Rain or showers.
- Visibility
- Moderate or good.
East Central Section
In north
- Wind
- Westerly 5 to 7, backing southerly 4 or 5 later.
- Sea state
- Rough, occasionally very rough in north.
- Weather
- Showers at first, rain later in southwest.
- Visibility
- Good, occasionally poor later in southwest.
In south
- Wind
- Westerly 3 to 5, backing southwesterly 4 to 6 later.
- Sea state
- Moderate or rough.
- Weather
- Fair at first, then rain at times in west.
- Visibility
- Good, occasionally poor in west.
West Central Section
In north
- Wind
- Westerly backing southwesterly 4 to 6, becoming variable 2 to 4 in south, then becoming cyclonic 4 to 6 later in south.
- Sea state
- Rough, occasionally very rough in north.
- Weather
- Showers at first, rain later in southeast.
- Visibility
- Good, occasionally poor later in southeast.
In south
- Wind
- Cyclonic 4 to 6, occasionally 7 later in east.
- Sea state
- Moderate or rough.
- Weather
- Rain or thundery showers, fair later in west.
- Visibility
- Good, occasionally poor.
Denmark Strait
- Storm warning
-
Issued:
At 100000UTC, low 64 north 27 west 980 expected 65 north 35 west 980 by 110000UTC. New low expected 67 north 15 west 981 by same time. Northeasterly winds are expected to reach storm force 10 or violent storm force 11 in Denmark Strait throughout the period, mostly near to Greenland but moving towards the far east of the area after 110300UTC.
In northwest
- Wind
- Northeasterly gale 8 to storm 10, occasionally violent storm 11 near greenland, but northeasterly 5 to 7 in far north.
- Sea state
- Rough or very rough, occasionally high.
- Weather
- Rain or sleet at times.
- Visibility
- Moderate or poor.
In southeast
- Wind
- Cyclonic 5 to 7.
- Sea state
- Rough or very rough, occasionally high later.
- Weather
- Rain at times.
- Visibility
- Moderate or good, occasionally poor.
North Iceland
In far northwest
- Wind
- Variable 2 to 4, becoming northeasterly 5 to 7, then increasing gale 8 or severe gale 9 later in southwest.
- Sea state
- Moderate or rough.
- Weather
- Rain or sleet later.
- Visibility
- Good, occasionally poor later.
In rest of area
- Wind
- Easterly or southeasterly 5 to 7, becoming cyclonic 6 to gale 8 later.
- Sea state
- Moderate or rough, occasionally very rough later in far west and far south.
- Weather
- Rain at times and fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Southerly or southwesterly 5 to 7, occasionally gale 8 later.
- Sea state
- Moderate or rough, becoming very rough in northwest.
- Weather
- Rain or showers.
- Visibility
- Good, occasionally poor.
Outlook for the following 24 hours
Violent storms expected in Denmark Strait, with storms in north Iceland. Gales expected in all other areas except Sole.
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.