The general synopsis for UK
At 040000UTC, low 46 north 53 west 976 expected 53 north 32 west by 050000UTC by 050000UTC. Low 68 north 35 west losing its identity. 56 north 18 west 972 losing its identity.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- West or northwest 6 to gale 8, decreasing 4 to 6, backing south or southwest 6 to gale 8 later.
- Sea state
- Very rough or high.
- Weather
- Rain or squally showers.
- Visibility
- Moderate or poor.
Shannon
- Wind
- West or northwest backing south or southeast later, 6 to gale 8.
- Sea state
- Very rough or high.
- Weather
- Squally showers, then rain later.
- Visibility
- Moderate or poor.
Rockall
- Wind
- Cyclonic 6 to gale 8.
- Sea state
- Very rough or high, occasionally very high at first in southwest.
- Weather
- Rain or squally showers.
- Visibility
- Moderate or poor.
Bailey
- Wind
- Northeasterly 6 to gale 8 at first in far northwest, otherwise easterly or southeasterly 4 to 6.
- Sea state
- Rough or very rough, occasionally high in south and west.
- Weather
- Showers.
- Visibility
- Moderate or good, occasionally poor.
Faeroes
- Wind
- Southerly or southeasterly 4 to 6.
- Sea state
- Moderate or rough, becoming rough or very rough.
- Weather
- Showers.
- Visibility
- Good.
Southeast Iceland
- Wind
- Easterly or northeasterly 6 to gale 8.
- Sea state
- Rough or very rough, occasionally high in far northwest.
- Weather
- Rain or squally showers.
- Visibility
- Moderate or good, occasionally poor.
East Northern Section
In north
- Wind
- Easterly or northeasterly 6 to gale 8, occasionally severe gale 9 later in northeast.
- Sea state
- Very rough or high, becoming rough or very rough later.
- Weather
- Rain or squally showers.
- Visibility
- Moderate or poor, occasionally good later.
In south
- Wind
- Cyclonic 6 to gale 8, decreasing 4 to 6, becoming easterly or southeasterly later, increasing 6 to gale 8 later in far south.
- Sea state
- Very rough or high, becoming rough or very rough later.
- Weather
- Rain or squally showers.
- Visibility
- Moderate or poor, occasionally good later.
West Northern Section
In north
- Wind
- Easterly or northeasterly 6 to gale 8.
- Sea state
- Very rough or high becoming rough or very rough.
- Weather
- Rain or showers, wintry in north and west.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Cyclonic becoming easterly or northeasterly, 6 to gale 8.
- Sea state
- Very rough or high.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
East Central Section
- High seas storm warning
-
Issued:
At 040000UTC, low 46 north 53 west 976 expected 53 north 32 west by 050000UTC. Winds will reach storm force 10 at times in the southern semi-circle of the low, between 50 and 500 miles from the low centre from 040900UTC. Westerly or northwesterly winds will also reach violent storm force 11 at times in the southern semi-circle of the low between 150 and 350 miles from the low centre from 041300UTC.
In east
- Wind
- Westerly or northwesterly 6 to gale 8, backing westerly or southwesterly 5 to 7, then cyclonic 7 to severe gale 9 later.
- Sea state
- Very rough or high.
- Weather
- Squally showers, then rain later.
- Visibility
- Moderate or poor.
In west
- Wind
- Westerly or northwesterly 6 to gale 8, becoming cyclonic 7 to severe gale 9, increasing severe gale 9 to violent storm 11 later except in far north.
- Sea state
- Very rough or high, becoming high or very high later in south.
- Weather
- Mainly fair then rain or thundery showers.
- Visibility
- Moderate or poor.
West Central Section
- High seas storm warning
-
Issued:
At 040000UTC, low 46 north 53 west 976 expected 53 north 32 west by 050000UTC. Winds will reach storm force 10 at times in the southern semi-circle of the low, between 50 and 500 miles from the low centre from 040900UTC. Westerly or northwesterly winds will also reach violent storm force 11 at times in the southern semi-circle of the low between 150 and 350 miles from the low centre from 041300UTC.
- Wind
- Cyclonic 6 to gale 8, increasing gale 8 to storm 10, occasionally violent storm 11 in south.
- Sea state
- Very rough or high becoming high or very high in south.
- Weather
- Rain or thundery showers.
- Visibility
- Moderate or poor.
Denmark Strait
- Wind
- Northeasterly 6 to gale 8, occasionally severe gale 9 at first in far southwest.
- Sea state
- Rough or very rough, occasionally high at first in far southwest.
- Weather
- Sleet or snow showers.
- Visibility
- Moderate or good, occasionally very poor. Occasional light to moderate icing in west within 50 miles of ice edge with temperatures ms03 to ms06.
North Iceland
In north
- Wind
- Northeasterly 3 to 5, occasionally 6 in south.
- Sea state
- Slight or moderate becoming moderate or rough in south.
- Weather
- Snow showers.
- Visibility
- Moderate or good, occasionally very poor.
In south
- Wind
- Northeasterly becoming cyclonic, 4 to 6.
- Sea state
- Rough.
- Weather
- Rain or wintry showers, fog patches.
- Visibility
- Moderate or good, occasionally very poor.
Norwegian Basin
- Wind
- Cyclonic 4 to 6, becoming southerly or southeasterly 3 to 5.
- Sea state
- Moderate or rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for following 24 hours
Storm force 10 expected in east and West Central Sections. Severe gales expected in Sole, Shannon and East Northern Section. Gales expected in Rockall, Bailey, Faeroes, Southeast Iceland, West Northern Section and Denmark Strait.
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.