Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 121200UTC, low 55 north 44 west 988 expected 62 north 34 west 990 by 131200UTC. New low expected 62 north 25 west by same time. Low 66 north 10 west 986 expected 70 north 07 west 984 by that time. Low 72 north 05 west 982 losing its identity.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwesterly 3 to 5.
Sea state
Moderate or rough at first, otherwise slight or moderate.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
West or southwest 3 to 5, becoming variable 4 or less, then south or southwest 4 to 6 later.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
West or southwest 3 to 5, becoming variable 4 or less, then south or southwest 4 to 6 later.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Bailey

Wind
West or northwest 4 or 5, backing southwest 3 or 4, then south 5 to 7 later.
Sea state
Moderate or rough.
Weather
Rain later.
Visibility
Good, occasionally poor later.

Faeroes

Wind
West or northwest 4 to 6, decreasing 2 to 4, backing south or southwest 4 to 6 later.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Mainly fair.
Visibility
Good.

Southeast Iceland

Wind
Westerly or northwesterly 4 to 6, becoming variable 2 to 4, becoming southeasterly 5 to 7 later.
Sea state
Moderate or rough, occasionally very rough at first in northeast.
Weather
Rain later.
Visibility
Good, occasionally poor later.

East Northern Section

In north

Wind
Southerly or southwesterly 3 to 5, backing southeasterly 4 to 6, becoming cyclonic 5 to 7 later.
Sea state
Moderate or rough.
Weather
Fair then rain or showers.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Westerly or southwesterly 4 to 6, backing southerly 5 to 7 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

Wind
Cyclonic 4 to 6, occasionally 7 at first in east and later in far west.
Sea state
Moderate or rough, occasionally very rough later in far south.
Weather
Occasional rain, drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle, fog patches in southeast.
Visibility
Moderate or good, occasionally poor, becoming very poor at times in southeast.

West Central Section

Wind
Southerly or southwesterly veering westerly or northwesterly later, 4 to 6, occasionally 7 in west.
Sea state
Moderate or rough, occasionally very rough in west.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

In area east of 23 west

Wind
Variable 2 to 4, becoming southerly or southwesterly 4 to 6 for a time.
Sea state
Rough or very rough, becoming moderate or rough, then slight or moderate later.
Weather
Fog patches later.
Visibility
Moderate or good, occasionally very poor later.

In area west of 23 west

Wind
Cyclonic 3 to 5, becoming easterly or northeasterly 4 to 6 later.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches later, moderate or good, occasionally very poor later.
Visibility

North Iceland

In west

Wind
Northerly or northwesterly 6 to gale 8, occasionally severe gale 9 at first in north.
Sea state
Backing southerly or southwesterly 4 to 6, becoming cyclonic 3 to 5 later.
Weather
Rough or very rough becoming moderate or rough.
Visibility
Snow at first in north, otherwise occasional rain. Very poor at first in north, moderate or good, occasionally poor. Light icing at first in far northwest with temperatures around ms03.

In east

Wind
Cyclonic becoming northwesterly, 5 to 7, occasionally gale 8 at first in south, becoming cyclonic 3 to 5 later.
Sea state
Rough or very rough, becoming moderate or rough later.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Norwegian Basin

Wind
Cyclonic 6 to gale 8, becoming westerly 4 to 6, then variable 2 to 4 later in southwest.
Sea state
Rough or very rough, becoming moderate or rough later.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours

No hazards expected.

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

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.

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