The general synopsis for UK
At 141200UTC, low 58 north 25 west 971 expected 58 north 28 west with little change. New low expected 60 north 18 west 977 by same time. Lows 64 north 09 west 999 losing its identity
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly or southwesterly 6 to gale 8.
- Sea state
- Rough or very rough, occasionally high later in northwest.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- Westerly or southwesterly 6 to gale 8.
- Sea state
- Very rough, occasionally rough, becoming very rough or high later.
- Weather
- Thundery showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- In southwest, westerly or southwesterly 6 to gale 8. in northeast, southeasterly becoming cyclonic, 7 to severe gale 9, decreasing 4 to 6.
- Sea state
- In southwest, very rough, becoming very rough or high later. in northeast, very rough, occasionally high at first.
- Weather
- In southwest, thundery showers. in northeast, rain then thundery showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southeasterly becoming cyclonic, 7 to severe gale 9.
- Sea state
- Rough or very rough, becoming very rough or high.
- Weather
- Rain then thundery showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Cyclonic 5 to 7, perhaps gale 8 later.
- Sea state
- Moderate or rough becoming rough or very rough.
- Weather
- Sleet.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic 6 to gale 8, becoming northeasterly 7 to severe gale 9.
- Sea state
- Rough or very rough becoming very rough or high.
- Weather
- Snow.
- Visibility
- Poor or very poor. moderate icing.
East Northern Section
- High seas storm warning
-
Issued:
Northeasterly winds will reach storm force 10 or violent storm force 11 in the southwest of Denmark Strait until 151000UTC and in the northwest of West Northern Section until 150800UTC. At 141200UTC, low 58 north 25 west 971 expected 58 north 28 west with little change. Winds will reach storm force 10 or violent storm 11 in the north quadrant of the low within 300 miles from the centre until 150700UTC. New low expected 60 north 18 west 977 by same time. Winds are expected to reach storm force 10 in northwest quadrant of the low within 100 miles from the centre after 150800UTC. Finally, southerly winds will storm force 10 in the southeast of Norwegian Basin, within 100 miles from the Norwegian coast after 151700UTC.
- Wind
- Cyclonic 7 to severe gale 9, but gale 8 to storm 10 north of the low centres, occasionally violent storm 11 at first.
- Sea state
- Rough at first in northeast, otherwise very rough or high, occasionally very high.
- Weather
- Rain or showers, wintry in north and thundery in south.
- Visibility
- Moderate or poor. Occasional light icing near Icelandic coast.
West Northern Section
- High seas storm warning
-
Issued:
Northeasterly winds will reach storm force 10 or violent storm force 11 in the southwest of Denmark Strait until 151000UTC and in the northwest of West Northern Section until 150800UTC. At 141200UTC, low 58 north 25 west 971 expected 58 north 28 west with little change. Winds will reach storm force 10 or violent storm 11 in the north quadrant of the low within 300 miles from the centre until 150700UTC. New low expected 60 north 18 west 977 by same time. Winds are expected to reach storm force 10 in northwest quadrant of the low within 100 miles from the centre after 150800UTC. Finally, southerly winds will storm force 10 in the southeast of Norwegian Basin, within 100 miles from the Norwegian coast after 151700UTC.
- Wind
- Cyclonic 7 to severe gale 9, but severe gale 9 to violent storm 11 at first in northwest.
- Sea state
- Very rough or high, occasionally rough at first in south and very high in east.
- Weather
- Rain or showers, but sleet or snow in northwest.
- Visibility
- Moderate poor, occasionally very poor in northwest. Light to moderate icing in northwest, occasionally severe at first in far northwest.
East Central Section
- Wind
- Southwesterly veering westerly, 6 to gale 8, increasing severe gale 9 later in northwest.
- Sea state
- Very rough or high.
- Weather
- Occasional rain in south, thundery showers in north.
- Visibility
- Good, occasionally poor.
West Central Section
- Wind
- Southwesterly veering westerly or northwesterly, 6 to gale 8, increasing severe gale 9 later in northeast, veering northeasterly 3 to 5 in south.
- Sea state
- Very rough or high, becoming rough later in southwest.
- Weather
- Squally showers, but occasional rain in south.
- Visibility
- Good, occasionally poor.
Denmark Strait
- High seas storm warning
-
Issued:
Northeasterly winds will reach storm force 10 or violent storm force 11 in the southwest of Denmark Strait until 151000UTC and in the northwest of West Northern Section until 150800UTC. At 141200UTC, low 58 north 25 west 971 expected 58 north 28 west with little change. Winds will reach storm force 10 or violent storm 11 in the north quadrant of the low within 300 miles from the centre until 150700UTC. New low expected 60 north 18 west 977 by same time. Winds are expected to reach storm force 10 in northwest quadrant of the low within 100 miles from the centre after 150800UTC. Finally, southerly winds will storm force 10 in the southeast of Norwegian Basin, within 100 miles from the Norwegian coast after 151700UTC.
In southwest of area
- Wind
- Northeasterly severe gale 9 to violent storm 11, decreasing 5 to 7 later.
- Sea state
- Very rough or high becoming rough or very rough.
- Weather
- Snow at times.
- Visibility
- Poor or very poor. Severe to very severe icing with temperatures ms06 to ms09, becoming light to moderate with temperatures ms05 to ms08.
In rest of area
- Wind
- Easterly 7 to severe gale 9, backing northeasterly 4 to 6.
- Sea state
- Moderate or rough, occasionally very rough in southwest.
- Weather
- Mainly fair.
- Visibility
- Good. Light to moderate icing in north with temperatures ms04 to ms07, becoming severe to very severe with temperatures ms10 to ms13.
North Iceland
- Wind
- Cyclonic, mainly northeasterly, 5 to 7, occasionally gale 8 in southeast.
- Sea state
- Moderate or rough, occasionally very rough in southeast and slight in northwest.
- Weather
- Occasional snow or snow showers, but mainly fair in southwest.
- Visibility
- Moderate or good, occasionally very poor. Moderate to severe icing in northwest with temperatures ms09 to ms12, becoming very severe near the ice edge with temperatures around ms14. Occasional light icing in southeast with temperatures ms02 to ms4.
Norwegian Basin
- High seas storm warning
-
Issued:
Northeasterly winds will reach storm force 10 or violent storm force 11 in the southwest of Denmark Strait until 151000UTC and in the northwest of West Northern Section until 150800UTC. At 141200UTC, low 58 north 25 west 971 expected 58 north 28 west with little change. Winds will reach storm force 10 or violent storm 11 in the north quadrant of the low within 300 miles from the centre until 150700UTC. New low expected 60 north 18 west 977 by same time. Winds are expected to reach storm force 10 in northwest quadrant of the low within 100 miles from the centre after 150800UTC. Finally, southerly winds will storm force 10 in the southeast of Norwegian Basin, within 100 miles from the Norwegian coast after 151700UTC.
- Wind
- Cyclonic, mainly southerly, 5 to 7, increasing gale 8 to storm 10 in east.
- Sea state
- Moderate or rough, becoming rough or very rough, occasionally high.
- Weather
- Occasional rain or sleet and snow showers.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for following 24 hours
Storms are expected in East Northern Section and Norwegian Basin, with severe gales expected in Faeroes, Southeast Iceland, West Northern Section, East Central Section, West Central Section and north Iceland. Gales are expected in all other areas.
Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets
The 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.
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