Coast and sea

High seas forecast and storm warnings

The general synopsis for UK

At 161200UTC, low 61 north 16 west 932, expected 65 north 06 east 958 by 171200UTC. Low 67 north 07 west 946 losing its identity by same time. New low expected 63 north 38 west 982 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map

Sole

High seas storm warning
Issued:

At 161200UTC, low 61 north 16 west 932, expected 65 north 06 east 958 by 171200UTC. Winds will reach storm force 10 in sea areas Sole, Shannon, Rockall and Bailey until 170600UTC.

Wind
West or southwest 7 to severe gale 9, occasionally storm 10 for a time, then decreasing 6 at times later.
Sea state
High or very high.
Weather
Thundery showers.
Visibility
Moderate or poor.

Shannon

High seas storm warning
Issued:

At 161200UTC, low 61 north 16 west 932, expected 65 north 06 east 958 by 171200UTC. Winds will reach storm force 10 in sea areas Sole, Shannon, Rockall and Bailey until 170600UTC.

Wind
West or southwest 7 to severe gale 9, occasionally storm 10 until later.
Sea state
High or very high.
Weather
Thundery wintry showers.
Visibility
Moderate or poor.

Rockall

High seas storm warning
Issued:

At 161200UTC, low 61 north 16 west 932, expected 65 north 06 east 958 by 171200UTC. Winds will reach storm force 10 in sea areas Sole, Shannon, Rockall and Bailey until 170600UTC.

Wind
West or southwest 7 to severe gale 9, occasionally storm 10 until later.
Sea state
High or very high.
Weather
Thundery wintry showers.
Visibility
Moderate or poor.

Bailey

High seas storm warning
Issued:

At 161200UTC, low 61 north 16 west 932, expected 65 north 06 east 958 by 171200UTC. Winds will reach storm force 10 in sea areas Sole, Shannon, Rockall and Bailey until 170600UTC.

Wind
Cyclonic 4 at first in north, otherwise west or southwest 7 to severe gale 9, occasionally storm 10 until later.
Sea state
High or very high.
Weather
Thundery wintry showers.
Visibility
Moderate or poor.

Faeroes

Wind
Southerly 4 to 6, veering westerly 6 to gale 8, occasionally severe gale 9 in south, but cyclonic 3 for a time in north.
Sea state
High or very high, occasionally very rough.
Weather
Wintry showers.
Visibility
Moderate or poor, occasionally good in north.

Southeast Iceland

Wind
Cyclonic 4 to 6, decreasing 3 for a time.
Sea state
Very rough or high.
Weather
Wintry showers.
Visibility
Good, occasionally poor.

East Northern Section

Wind
Mainly westerly but cyclonic at times in north, 6 to gale 8, occasionally severe gale 9 in east.
Sea state
High or very high.
Weather
Wintry showers.
Visibility
Moderate or poor.

West Northern Section

Wind
Mainly westerly but cyclonic at times in north, 6 to gale 8, occasionally severe gale 9 at first.
Sea state
High or very high.
Weather
Snow showers.
Visibility
Moderate or poor.

East Central Section

Wind
Westerly 6 to gale 8, occasionally severe gale 9 until later.
Sea state
High or very high.
Weather
Showers, wintry in north.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Westerly 6 to gale 8.
Sea state
High or very high.
Weather
Showers, wintry in north.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Northeasterly 6 to gale 8, occasionally severe gale 9 until later.
Sea state
Very rough or high.
Weather
Outbreaks of snow.
Visibility
Moderate, occasionally very poor. Moderate to severe icing in northeast with temperatures ms05 to ms07.

North Iceland

Wind
Cyclonic, mainly northerly or northeasterly 7 to severe gale 9, decreasing 4 to 6 in southeast.
Sea state
Very rough or high.
Weather
Outbreaks of snow, but rain or sleet in southeast.
Visibility
Moderate, occasionally poor or very poor. Moderate to severe, occasionally very severe icing later north of 71 north with temperatures ms12 to ms14.

Norwegian Basin

Wind
Cyclonic 5 to 7, occasionally gale 8 in east.
Sea state
Very rough or high.
Weather
Wintry showers.
Visibility
Good occasionally poor.

Outlook for following 24 hours

Gales or severe gales are expected in all areas.

Unscheduled storm warnings are broadcast via Safetynet and in bulletin WONT54 EGRR available via some internet and ftpmail outlets

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.

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.

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