The general synopsis for UK
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Low 65 north 24 west 975 expected 65 north 34 west 991 by same time. New low moving steadily southeast expected 58 north 32 west 984 by that time
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Northerly or northeasterly 4 to 6 veering southerly or southwesterly 6 to gale 8.
- Sea state
- Rough or very rough, occasionally high later in west.
- Weather
- Occasional rain.
- Visibility
- Good, occasionally poor.
Shannon
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- West 5 to 7, becoming cyclonic 7 to severe gale 9, occasionally storm 10 later.
- Sea state
- Very rough or high, occasionally very high later.
- Weather
- Rain or squally showers.
- Visibility
- Poor.
Rockall
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- West 5 to 7, occasionally gale 8 at first, becoming cyclonic 7 to severe gale 9, occasionally storm 10 later.
- Sea state
- Very rough or high.
- Weather
- Rain or squally showers.
- Visibility
- Poor.
Bailey
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- West 5 to 7, backing southwest 3 to 5, then southeast gale 8 to storm 10 later.
- Sea state
- Very rough or high.
- Weather
- Squally showers, rain later.
- Visibility
- Moderate or poor.
Faeroes
- Wind
- Cyclonic, mainly southwest at first, 4 to 6.
- Sea state
- Very rough or high until later in west, otherwise rough or very rough.
- Weather
- Squally showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Cyclonic, mainly southwest at first, 6 to gale 8, decreasing 4 to 6.
- Sea state
- Very rough or high, becoming rough or very rough later.
- Weather
- Squally showers.
- Visibility
- Good, occasionally poor.
East Northern Section
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
In north
- Wind
- Southerly or southwesterly 6 to gale 8 decreasing 3 to 5, backing easterly or northeasterly later, then increasing 7 to severe gale 9 later in southeast, occasionally storm 10 later in far southeast.
- Sea state
- Very rough or high, becoming rough at times later.
- Weather
- Wintry showers, squally at first, then rain or sleet later in southeast.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Southwesterly becoming cyclonic, 5 to 7, occasionally gale 8 at first in north, increasing gale 8 to storm 10 in south and also later in north, then increasing violent storm 11 at times later in southeast.
- Sea state
- Very rough or high, occasionally very high later in far southeast.
- Weather
- Squally wintry showers, then occasional rain or sleet in south and also later in north.
- Visibility
- Moderate or poor, occasionally good.
West Northern Section
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
In north
- Wind
- Cyclonic 6 to gale 8, decreasing 4 to 6 in southeast and later in northeast, occasionally severe gale 9 later in far northwest.
- Sea state
- Very rough or high becoming rough or very rough, occasionally moderate in northwest.
- Weather
- Wintry showers, squally at times.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 in northwest, becoming cyclonic 7 to severe gale 9, increasing storm 10 at times in west and south.
- Sea state
- Very rough or high.
- Weather
- Occasional rain, sleet or wintry showers.
- Visibility
- Moderate or good, occasionally very poor.
East Central Section
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- Southerly or southwesterly 3 to 5 at first in far north, otherwise cyclonic, becoming westerly later, 7 to severe gale 9, occasionally storm 10 in north and 6 in south, then increasing severe gale 9 to violent storm 11 later in northeast.
- Sea state
- Very rough or high, occasionally very high later in northeast.
- Weather
- Rain at times, but sleet at first in far north, then squally wintry showers in west and also later in east.
- Visibility
- Moderate or poor, occasionally very poor in west.
West Central Section
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- Cyclonic 6 to gale 8, occasionally 5 at first, becoming westerly or northwesterly 7 to severe gale 9, increasing storm 10 at times later in far northeast, decreasing 4 to 6 later in southwest.
- Sea state
- Rough or very rough becoming very rough or high.
- Weather
- Occasional rain or sleet at first in south and east, otherwise squally sleet and snow showers.
- Visibility
- Moderate or good, occasionally very poor.
Denmark Strait
- High seas storm warning
-
Issued:
At 091200UTC, low 47 north 35 west 1013 expected 56 north 20 west 964 by 101200UTC. Winds are expected to reach storm force 10 within 150 miles of the centre from 100500UTC and between 150 and 300 miles of the centre in the southwestern quadrant from 100400UTC, with winds strengthening to violent storm force 11 at times in both areas from 100800UTC. These areas gradually merging and expanding to storm force 10 between 100 and 350 miles of the centre in the northeastern semicircle by 101800UTC and also between 200 and 300 miles of the centre in the southeastern quadrant by 101800UTC but storm force 10 or violent storm force 11 within 200 miles of the centre in the southern semicircle by 101800UTC. At 091200UTC, low 65 north 24 west 975 expected 65 north 34 west 991 by 101200UTC. Northeasterly winds are expected to reach storm force 10 within 150 miles of the Greenland coast in Denmark Strait, north of 66 north until 101500UTC and then south of 66 north between 100600UTC and 101500UTC. New low moving steadily southeast expected 58 north 32 west 984 by 101200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southwestern quadrant from 100300UTC.
- Wind
- Cyclonic 4 to 6 throughout in far southeast, otherwise northerly or northeasterly 7 to severe gale 9, increasing storm 10 at times within 150 miles of the greenland coast, but occasionally 6 at first in south, decreasing 5 to 7 later except in far north.
- Sea state
- Rough or very rough occasionally high.
- Weather
- Occasional rain or sleet at first in southeast, otherwise snow at times.
- Visibility
- Moderate or good, occasionally very poor. Light or moderate icing within 150 miles of the greenland coast with temperatures ms03 to ms05, occasionally severe in north with temperatures around ms06.
North Iceland
- Wind
- Northerly 7 to severe gale 9 in northwest mainly near the ice edge, otherwise cyclonic 4 to 6, decreasing 3 at times, but occasionally 7 in west and at first in south.
- Sea state
- Moderate or rough, occasionally very rough in south.
- Weather
- Occasional rain, sleet or snow with fog patches, mainly in north and west.
- Visibility
- Moderate or good, occasionally very poor mainly north and west. Light or moderate icing in northwest near the ice edge with temperatures ms03 to ms05, occasionally severe with temperatures around ms06.
Norwegian Basin
In east
- Wind
- Cyclonic 3 to 5 in far northeast, otherwise southerly 6 to gale 8, occasionally severe gale 9 until later, then decreasing 5 or 6 later.
- Sea state
- Rough or very rough.
- Weather
- Mainly fair in far east, otherwise occasional rain or showers, squally at times.
- Visibility
- Good, occasionally poor except in far east.
In west
- Wind
- Southerly 4 to 6, occasionally 7 in east, becoming variable 2 to 4, then southeasterly 3 to 5 later.
- Sea state
- Rough or very rough.
- Weather
- Occasional rain or showers, fair later in west.
- Visibility
- Moderate or good.
Outlook for following 24 hours
Violent storms expected in East Northern Section and East Central Section with storms in Shannon, Rockall, Bailey and West Central Section and perhaps in Norwegian Basin. Severe gales 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.
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