Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 140000UTC, low 57 north 35 west 965 expected 58 north 31 west 977 by 150000UTC. Low 61 north 01 east 986 expected 64 north 03 east 989 by same time. New lows expected 62 north 20 west 978 and 62 north 14 west 980 by that time. at 140000UTC, low 66 north 13 west 981 expected 67 north 15 west 987 by 150000UTC. Low 46 north 08 west losing its identity by same time.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

Wind
Southwesterly 5 to 7, occasionally gale 8, veering westerly or southwesterly 3 to 5 later.
Sea state
Rough or very rough, occasionally moderate at first in east.
Weather
Rain.
Visibility
Good, occasionally poor.

Shannon

Wind
South 6 to gale 8, veering southwest 4 to 6.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Showers.
Visibility
Good, occasionally poor.

Rockall

Wind
South 6 to gale 8, veering southwest 4 to 6.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Showers.
Visibility
Good, occasionally poor.

Bailey

Wind
Cyclonic 5 to 7, becoming southwest 3 to 5 except in north.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
Cyclonic 3 to 5, increasing 5 to 7.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Wintry showers or rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 3 to 5, increasing 5 to 7, perhaps gale 8 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Wintry showers or rain.
Visibility
Good, occasionally poor.

East Northern Section

In north of area

Wind
Easterly or southeasterly becoming cyclonic, 6 to gale 8, but decreasing 3 to 5 later in south.
Sea state
Rough or very rough, occasionally moderate at first in north, becoming very rough or high later.
Weather
Occasional rain or squally showers.
Visibility
Moderate or good, occasionally poor.

In south of area

Wind
Cyclonic becoming southwesterly 5 to 7, occasionally gale 8 in southwest, and 4 later, becoming variable 2 to 4 later in northwest.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Squally wintry showers.
Visibility
Good, occasionally poor.

West Northern Section

High seas storm warning
Issued:

At 140000UTC, low 57 north 35 west 965 expected 58 north 31 west 977 by 150000UTC. Westerly winds are expected to reach storm force 10 in West Central Section in area enclosed west of 35 west and between 52 and 53 north until 141100UTC.

In north of area

Wind
Cyclonic, mainly easterly or northeasterly, 6 to gale 8, occasionally severe gale 9 in west, backing northerly or northeasterly 5 to 7 later.
Sea state
Rough at first in north and later in northwest, otherwise very rough or high.
Weather
Occasional rain or showers, wintry and squally at times.
Visibility
Moderate or good, occasionally poor. Occasional light icing expected at first in far northwest near greenland.

In south of area

Wind
Cyclonic 5 to 7, but 7 or gale 8 at first in south, decreasing 3 to 5 at times later in east, but becoming mainly westerly or northwesterly 7 to severe gale 9, perhaps storm 10 for a time later in south and west.
Sea state
High or very high, becoming rough or very rough later.
Weather
Rain or squally showers, wintry at times.
Visibility
Moderate or poor, occasionally good.

East Central Section

Wind
Westerly or southwesterly 6 to gale 8, increasing severe gale 9 at times later in west, but occasionally 5 later in south.
Sea state
Rough at first in southeast, otherwise very rough or high, occasionally very high in far northwest.
Weather
Occasional rain at first in east, otherwise squally showers, perhaps thundery.
Visibility
Moderate or good occasionally poor.

West Central Section

High seas storm warning
Issued:

At 140000UTC, low 57 north 35 west 965 expected 58 north 31 west 977 by 150000UTC. Westerly winds are expected to reach storm force 10 in West Central Section in area enclosed west of 35 west and between 52 and 53 north until 141100UTC.

Wind
Westerly or southwesterly, veering northwesterly later, 7 to severe gale 9, occasionally storm 10 at first in northwest, decreasing 6 at times in south.
Sea state
High, occasionally very high, becoming mainly high later.
Weather
Squally, wintry and thundery showers.
Visibility
Moderate or poor, occasionally good later.

Denmark Strait

Wind
Northerly or northeasterly, 6 to gale 8, occasionally severe gale 9 at first in northeast, but decreasing 3 to 5 later in west.
Sea state
Rough, occasionally moderate in west and very rough in east.
Weather
Snow showers, squally at times.
Visibility
Moderate or good, occasionally poor. Occasional light or moderate icing until later near the ice, with temperatures ms03 to ms05.

North Iceland

Wind
Variable 2 to 4, becoming cyclonic 5 to 7 later in far southeast, otherwise cyclonic 6 to gale 8, occasionally severe gale 9 at first in west.
Sea state
Decreasing 3 to 5 later in east.
Weather
Rough or very rough, becoming moderate or rough.
Visibility
Occasional rain in south, sleet and snow at times in north. Moderate or good, occasionally poor, but very poor at times in north. Light or moderate icing in north and west near ice edge, with temperatures ms03 to ms06, but occasionally severe icing expected at first close to the ice, with temperatures ms06 to ms09.

Norwegian Basin

Wind
Cyclonic, 5 to 7, occasionally gale 8 in east and 4 in west, becoming mainly southerly or southeasterly later 5 to 7, occasionally gale 8 in southeast.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Occasional rain or squally showers.
Visibility
Moderate or good, occasionally poor.

Outlook for following 24 hours

Storms expected in East Central Section with severe gales in West Northern Section and West Central Section. Gales expected in Sole, Shannon, Southeast Iceland, East Northern Section, Denmark Strait, north Iceland 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.