The general synopsis for UK
At 261200UTC, low 64 north 36 west 966, expected 63 north 20 west 974 by 271200UTC. High 71 north 28 west 1021, slow-moving, dissipating by same time. High 42 north 45 west 1037, expected 45 north 34 west with little change by that time. New high expected 64 north 45 west 1018 by 271200UTC
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- Westerly, veering northwesterly later, 4 to 6.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Occasional rain.
- Visibility
- Good occasionally moderate.
Shannon
- Wind
- Southwest, veering west, 4 to 6.
- Sea state
- Rough, becoming very rough or high.
- Weather
- Rain then showers.
- Visibility
- Poor becoming good.
Rockall
- Wind
- West 7 to severe gale 9, perhaps storm 10 later.
- Sea state
- Rough or very rough, becoming high or very high.
- Weather
- Squally wintry showers.
- Visibility
- Moderate or poor.
Bailey
- Wind
- Southwest, veering west, 7 to severe gale 9, perhaps storm 10 later.
- Sea state
- Very rough or high, becoming very high.
- Weather
- Squally showers.
- Visibility
- Good becoming poor.
Faeroes
- Wind
- South, veering southwest, 6 to gale 8, occasionally severe gale 9.
- Sea state
- Rough or very rough, becoming high or very high.
- Weather
- Rain then squally showers.
- Visibility
- Moderate becoming poor.
Southeast Iceland
- Wind
- Southwesterly, becoming cyclonic, 7 to severe gale 9.
- Sea state
- Rough or very rough, becoming high or very high.
- Weather
- Squally showers.
- Visibility
- Poor occasionally moderate.
East Northern Section
- High seas storm warning
-
Issued:
At 261200UTC, low 64 north 36 west 966 expected 63 north 20 west 974 by 271200UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 100 and 250 miles from the low throughout. Winds will also reach storm force 10 or violent storm force 11 in the north-western quadrant between 150 and 350 miles from the low until 271300UTC.
- Wind
- Cyclonic for a time in far north, otherwise westerly or southwesterly, veering northwesterly, gale 8 to storm 10, occasionally violent storm 11 at first in far west.
- Sea state
- High or very high.
- Weather
- Squally wintry showers.
- Visibility
- Moderate or poor.
West Northern Section
- High seas storm warning
-
Issued:
At 261200UTC, low 64 north 36 west 966 expected 63 north 20 west 974 by 271200UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 100 and 250 miles from the low throughout. Winds will also reach storm force 10 or violent storm force 11 in the north-western quadrant between 150 and 350 miles from the low until 271300UTC.
- Wind
- Northerly or northwesterly gale 8 to storm 10, occasionally violent storm 11 at first in northeast, decreasing 5 to 7, then backing westerly backing westerly 4 to 6 later.
- Sea state
- High or very high, becoming very rough later, occasionally rough later in far northwest.
- Weather
- Squally snow showers, but rain and snow at first in far northeast.
- Visibility
- Moderate or poor, occasionally very poor at first in far northeast. Light or moderate icing in far north for a time.
East Central Section
In north
- Wind
- Westerly 6 to gale 8, decreasing 4 or 5 later in west.
- Sea state
- Very rough or high.
- Weather
- Rain, squally wintry showers.
- Visibility
- Moderate or good.
In south
- Wind
- Southwesterly at first in east, otherwise northerly or northwesterly, 4 to 6, occasionally 3 later in far west.
- Sea state
- Rough or very rough, occasionally moderate at first in far east.
- Weather
- Occasional rain and drizzle then fair.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
In south
- Wind
- Westerly or northwesterly 4 to 6, backing southerly 5 to 7 in west, but becoming variable 2 to 4 in east.
- Sea state
- Rough or very rough.
- Weather
- Wintry showers then fair.
- Visibility
- Good occasionally moderate.
In north
- Wind
- Westerly, backing southerly in west, 5 to 7, occasionally gale 8 later in west.
- Sea state
- Very rough occasionally high.
- Weather
- Squally snow showers, fair later.
- Visibility
- Good occasionally poor.
Denmark Strait
- High seas storm warning
-
Issued:
At 261200UTC, low 64 north 36 west 966 expected 63 north 20 west 974 by 271200UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 100 and 250 miles from the low throughout. Winds will also reach storm force 10 or violent storm force 11 in the north-western quadrant between 150 and 350 miles from the low until 271300UTC.
- Wind
- Northeasterly severe gale 9 to violent storm 11, backing northerly 6 to gale 8, then becoming variable 2 to 4 later in west.
- Sea state
- Very rough or high, occasionally very high at first in far south, becoming rough near ice edge.
- Weather
- Occasional snow and squally snow showers.
- Visibility
- Moderate or poor, occasionally very poor. Widespread light or moderate icing with temperatures ms02 to ms05. Occasional severe or very severe icing near ice edge with temperatures ms06 to ms09.
North Iceland
- High seas storm warning
-
Issued:
At 261200UTC, low 64 north 36 west 966 expected 63 north 20 west 974 by 271200UTC. Winds will reach storm force 10 or violent storm force 11 in the southern semi circle between 100 and 250 miles from the low throughout. Winds will also reach storm force 10 or violent storm force 11 in the north-western quadrant between 150 and 350 miles from the low until 271300UTC.
In north
- Wind
- Northeasterly 6 to gale 8, occasionally 5 at first.
- Sea state
- Moderate or rough, occasionally very rough later.
- Weather
- Squally snow showers.
- Visibility
- Moderate or good, occasionally poor. Light or moderate icing developing with temperatures ms04 to ms07.
In south
- Wind
- Easterly, becoming cyclonic, 7 to severe gale 9, occasionally storm 10 in far west, then becoming northerly later in west.
- Sea state
- Rough or very rough, occasionally high later.
- Weather
- Occasional rain and snow.
- Visibility
- Moderate or good, occasionally very poor. Light or moderate icing becoming confined to west, with temperatures ms02 to ms05.
Norwegian Basin
In west
- Wind
- Southerly, veering southwesterly, 6 to gale 8.
- Sea state
- Rough or very rough, becoming high later.
- Weather
- Rain and snow, wintry showers.
- Visibility
- Moderate or good, occasionally poor. Rain or sleet then squally showers. Moderate or poor becoming good.
In east
- Wind
- Variable, becoming southwesterly, 2 to 4, increasing 6 to gale 8.
- Sea state
- Very rough occasionally rough.
- Weather
- Snow showers, then occasional sleet, squally showers later.
- Visibility
- Moderate or good, occasionally poor.
Outlook for following 24 hours
Storms or violent storms expected in Rockall, Bailey, West Central Section, East Northern Section, West Central Section and Denmark Strait. Gales or severe gales expected in remaining areas except Sole and Shannon.
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.
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.