Coast and sea
The general synopsis for UK
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Lows 58 north 40 west 942, 61 north 35 west 945 and 70 north 10 west 975 all losing their identity.
Issued at: .
For the period to .
High seas forecast and storm warnings map
Sole
- Wind
- South or southwest 5 to 7, occasionally gale 8 at first.
- Sea state
- Rough or very rough, becoming very rough or high.
- Weather
- Rain.
- Visibility
- Good, occasionally poor.
Shannon
- Wind
- South or southwest 6 to gale 8.
- Sea state
- Very rough or high, high or very high later.
- Weather
- Rain then squally showers.
- Visibility
- Good, occasionally poor.
Rockall
- Wind
- South or southwest 6 to gale 8.
- Sea state
- Very rough or high, high or very high later.
- Weather
- Rain then squally showers.
- Visibility
- Good, occasionally poor.
Bailey
- Wind
- Southeast 7 to severe gale 9 veering southwest 6 to gale 8.
- Sea state
- Very rough or high, high or very high.
- Weather
- Rain then wintry showers.
- Visibility
- Good, occasionally poor.
Faeroes
- Wind
- Southeasterly 7 to severe gale 9, veering southwesterly 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Rough or very rough becoming high or very high later.
- Weather
- Rain then wintry showers.
- Visibility
- Good, occasionally poor.
Southeast Iceland
- Wind
- Southeasterly 7 to severe gale 9, veering southwesterly 6 to gale 8, decreasing 4 to 6 later.
- Sea state
- Rough or very rough becoming high or very high later.
- Weather
- Rain then wintry showers.
- Visibility
- Good, occasionally poor.
East Northern Section
- High seas storm warning
-
Issued:
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Westerly or southwesterly winds will reach storm force 10 at times in southern hemisphere between 200 and 450 miles of low centre until 180400UTC and in southern quadrant from 180400UTC. Westerly winds will reach violent storm force 11 at times in southwestern quadrant between 250 and 350 miles of low centre until 180100UTC. Northeasterly winds will reach storm force 10 in northern quadrant between 200 and 450 miles of low centre until 180600UTC.
- Wind
- Cyclonic gale 8 to storm 10, occasionally violent storm force 11 in south, decreasing 6 to gale 8 later, occasionally severe gale 9 later in southeast.
- Sea state
- Very rough or high, becoming high or very high.
- Weather
- Rain at first in north, otherwise wintry showers, thundery at times.
- Visibility
- Moderate or poor, occasionally very poor.
West Northern Section
- High seas storm warning
-
Issued:
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Westerly or southwesterly winds will reach storm force 10 at times in southern hemisphere between 200 and 450 miles of low centre until 180400UTC and in southern quadrant from 180400UTC. Westerly winds will reach violent storm force 11 at times in southwestern quadrant between 250 and 350 miles of low centre until 180100UTC. Northeasterly winds will reach storm force 10 in northern quadrant between 200 and 450 miles of low centre until 180600UTC.
- Wind
- Cyclonic gale 8 to storm 10, occasionally violent storm 11 in the south, decreasing 6 to gale 8 later, occasionally severe gale 9 later in far south.
- Sea state
- High or very high, occasionally very rough at first in north.
- Weather
- Rain and snow, wintry showers.
- Visibility
- Moderate or poor, occasionally very poor.
East Central Section
- High seas storm warning
-
Issued:
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Westerly or southwesterly winds will reach storm force 10 at times in southern hemisphere between 200 and 450 miles of low centre until 180400UTC and in southern quadrant from 180400UTC. Westerly winds will reach violent storm force 11 at times in southwestern quadrant between 250 and 350 miles of low centre until 180100UTC. Northeasterly winds will reach storm force 10 in northern quadrant between 200 and 450 miles of low centre until 180600UTC.
In north
- Wind
- Westerly or southwesterly gale 8 to storm 10, occasionally violent storm 11 until later in northwest.
- Sea state
- High or very high, occasionally phenomenal at first in northwest.
- Weather
- Wintry showers, possibly thundery.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly or southwesterly 6 to gale 8.
- Sea state
- High or very high, occasionally very rough at first in southeast.
- Weather
- Wintry showers, possibly thundery.
- Visibility
- Moderate or good, occasionally poor.
West Central Section
- High seas storm warning
-
Issued:
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Westerly or southwesterly winds will reach storm force 10 at times in southern hemisphere between 200 and 450 miles of low centre until 180400UTC and in southern quadrant from 180400UTC. Westerly winds will reach violent storm force 11 at times in southwestern quadrant between 250 and 350 miles of low centre until 180100UTC. Northeasterly winds will reach storm force 10 in northern quadrant between 200 and 450 miles of low centre until 180600UTC.
In north
- Wind
- Westerly gale 8 to storm 10, occasionally violent storm 11 until later in north.
- Sea state
- High or very high, occasionally phenomenal at first.
- Weather
- Wintry showers, possibly thundery.
- Visibility
- Moderate or good, occasionally poor.
In south
- Wind
- Westerly 6 to gale 8, occasionally severe gale 9 at first in north.
- Sea state
- High or very high.
- Weather
- Wintry showers, possibly thundery.
- Visibility
- Moderate or good, occasionally poor.
Denmark Strait
- High seas storm warning
-
Issued:
At 170000UTC, low 56 north 32 west 943 expected 59 north 28 west 953 by 180000UTC. Westerly or southwesterly winds will reach storm force 10 at times in southern hemisphere between 200 and 450 miles of low centre until 180400UTC and in southern quadrant from 180400UTC. Westerly winds will reach violent storm force 11 at times in southwestern quadrant between 250 and 350 miles of low centre until 180100UTC. Northeasterly winds will reach storm force 10 in northern quadrant between 200 and 450 miles of low centre until 180600UTC.
- Wind
- Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 until later in south.
- Sea state
- Rough or very rough, but very rough or high, occasionally very high in south.
- Weather
- Snow in north, snow showers elsewhere.
- Visibility
- Moderate, occasionally poor or very poor. Occasional light to moderate icing within 50 miles of ice edge with temperatures ms02 to ms05.
North Iceland
- Wind
- Cyclonic 6 to gale 8, occasionally severe gale 9 in the far west.
- Sea state
- Rough or very rough, becoming moderate for a time in central areas.
- Weather
- Rain and snow.
- Visibility
- Moderate or good, occasionally poor. Occasional light to moderate icing within 50 miles of ice edge with temperatures ms02 to ms05.
Norwegian Basin
- Wind
- Southerly or southwesterly 5 to 7, increasing 7 to severe gale 9, then decreasing 4 to 6 later.
- Sea state
- Rough or very rough.
- Weather
- Rain or showers.
- Visibility
- Moderate or good, occasionally poor.
Outlook for following 24 hours
Storm force 10 expected in East Central Section and West Central Section. Severe gales expected in East Northern Section, West Northern Section, Denmark Strait and north Iceland. Gales expected in Rockall, Bailey and Norwegian Basin.
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.