The general synopsis for UK
At 180000UTC, low 54 north 17 west 983 expected 56 north 14 west 991by 190000UTC. Low 47 north 19 west 997 expected 51 north 03 west 987 by same time. New low expected 59 north 31 west 998 by that time. at 180000UTC, low 43 north 54 west 969 expected 48 north 46 west 969 by 190000UTC. Low 68 north 01 west 980 expected 67 north 04 west 988 by same time. High 71 north 42 west 1028 expected 64 north 45 west 1027 by that time.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Cyclonic 7 to severe gale 9, occasionally 6 at first.
- Sea state
- Rough or very rough, becoming very rough or high.
- Weather
- Rain.
- Visibility
- Moderate or poor.
Shannon
- Wind
- Cyclonic, 5 to 7, increasing 7 to severe gale 9, perhaps storm 10 for a time later.
- Sea state
- Rough or very rough, becoming very rough or high, occasionally very high for a time in southwest.
- Weather
- Showers.
- Visibility
- Moderate or poor.
Rockall
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9, decreasing 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first, and later in southwest.
- Weather
- Rain.
- Visibility
- Moderate or poor.
Bailey
- Wind
- Cyclonic 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Rough or very rough, occasionally high at first.
- Weather
- Rain.
- Visibility
- Moderate or poor.
Faeroes
- Wind
- Cyclonic 3 to 5.
- Sea state
- Rough or very rough.
- Weather
- Wintry showers.
- Visibility
- Good, occasionally very poor.
Southeast Iceland
- Wind
- Northeasterly 6 to gale 8 at first in northwest, otherwise cyclonic 3 to 5.
- Sea state
- Rough or very rough.
- Weather
- Wintry showers.
- Visibility
- Good, occasionally very poor. light icing in north.
East Northern Section
In north of area
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 at first near Iceland and for a time in west, decreasing 5 at times in south, becoming easterly or northeasterly 5 to 7, occasionally gale 8 later in west.
- Sea state
- Rough or very rough.
- Weather
- Occasional sleet and snow, but sleet or rain at times in south and west.
- Visibility
- Moderate or good, occasionally poor, but very poor at times in north. Occasional light icing until later near the Icelandic coast.
In south of area
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 in south, decreasing 5 to 7, occasionally gale 8 later in southeast, and 4 later in west.
- Sea state
- Rough or very rough, occasionally high in southeast.
- Weather
- Occasional rain or squally showers, wintry at times.
- Visibility
- Moderate or good, occasionally poor.
West Northern Section
In north of area
- Wind
- Cyclonic, becoming mainly northeasterly, 6 to gale 8, occasionally severe gale 9 at first in west and later in east and south, becoming variable 2 to 4 at first in southeast, and decreasing 3 to 5 later in far north.
- Sea state
- Rough or very rough, occasionally high in south.
- Weather
- Rain at times in east, but sleet or snow at times in west.
- Visibility
- Moderate or good, occasionally poor, but very poor at times in west. Light or moderate icing expected in far northwest at first.
In south of area
- Wind
- Cyclonic, 5 to 7, occasionally gale 8 at first in south, and decreasing 3 or 4 at times in northeast, becoming mainly easterly, 7 or gale 8 later in south.
- Sea state
- Rough or very rough.
- Weather
- Wintry showers, squally at times, rain or sleet later.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
- High seas storm warning
-
Issued:
At 180000UTC, low 54 north 17 west 983 expected 56 north 14 west 991by 190000UTC. Winds are expected to reach storm force 10 until 192200UTC within 150 and 250 miles of the centre of the low in the southwestern quadrant.
- Wind
- Cyclonic, mainly northwesterly 6 to gale 8, but severe gale 9 or storm 10 in northeast until later, decreasing 4 to 6 for a time in west, then becoming southerly 6 to gale 8 later in far west.
- Sea state
- Very rough or high, occasionally very high for a time in northeast, and rough at times later in west.
- Weather
- Occasional rain or squally showers, becoming fair for a time, then rain later in west.
- Visibility
- Moderate or poor, occasionally good for a time.
West Central Section
In northeastern half of area
- Wind
- Northwesterly 5 to 7, occasionally gale 8 at first in far northeast, backing westerly 3 to 5 later, becoming cyclonic, mainly easterly or southeasterly, 6 to gale 8 later.
- Sea state
- Rough or very rough.
- Weather
- Wintry showers at first, fair for a time, then rain or sleet later.
- Visibility
- Good, occasionally poor.
In southwestern half of area
- Wind
- Cyclonic, mainly southerly or southeasterly, veering mainly southerly or southwesterly later, 7 to severe gale 9, but 5 or 6 at first in east.
- Sea state
- Rough or very rough, becoming very rough or high, occasionally very high later in southwest.
- Weather
- Fair at first, then occasional rain or squally showers, wintry at times later.
- Visibility
- Moderate or good, becoming moderate or poor.
Denmark Strait
- Wind
- Northerly or northeasterly 5 to 7, decreasing 3 to 5, but backing northerly 6 or 7 for a time in northeast.
- Sea state
- Moderate or rough, occasionally very rough in far east.
- Weather
- Snow showers at first in south.
- Visibility
- Good, occasionally very poor at first in south. Light or moderate icing at first in southwest with temperatures ms03 to ms05, and moderate to severe icing east of 22 west from 180900utc, with temperatures ms06 to ms09.
North Iceland
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 at first in central areas, decreasing 3 to 5 later in north, and 5 at times in southeast.
- Sea state
- Very rough or high, becoming very rough, occasionally rough in far southeast and far north.
- Weather
- Occasionally sleet, snow and wintry showers.
- Visibility
- Moderate to very poor, occasionally good. Light or moderate icing expected near ice north of 66 north with temperatures ms03 to ms06, with occasional severe or very severe icing near the ice with temperatures ms08 to ms10, becoming confined later to the far southwest.
Norwegian Basin
- Wind
- Cyclonic, mainly westerly or southwesterly, 4 to 6, occasionally 7 at first in northwest and later in east.
- Sea state
- Rough or very rough, becoming mainly rough later.
- Weather
- Occasional sleet, snow or wintry showers.
- Visibility
- Moderate or good, occasionally very poor.
Outlook for following 24 hours
Storms expected in West Central Section with severe gales in Sole, Rockall, East Northern Section, West Northern Section, East Central Section and Norwegian Basin. Gales are expected in Shannon, Bailey, Southeast Iceland and north Iceland,.
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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