Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 221200UTC, high 47 north 43 west 1033 slow-moving with little change by 231800UTC. New lows expected 67 north 29 west 995 and 70 north 10 west 992 by same time. High 51 north 23 west 1036 dissipating

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North or northeast 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Shannon

Wind
North 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Rockall

Wind
Northwest backing west 3 to 5.
Sea state
Slight or moderate, occasionally rough later in northwest.
Weather
Occasional drizzle.
Visibility
Moderate or good.

Bailey

Wind
West 4 or 5, backing southwest 5 or 6.
Sea state
Moderate becoming rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Faeroes

Wind
Northwest 3 to 5, backing southwest 4 to 6.
Sea state
Slight or moderate, becoming moderate or rough.
Weather
Occasional drizzle.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Southwesterly 5 to 7.
Sea state
Rough, occasionally moderate.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

East Northern Section

Wind
Southwesterly 5 to 7.
Sea state
Moderate or rough.
Weather
Occasional rain, fair later.
Visibility
Moderate or good, occasionally poor at first.

West Northern Section

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 in far west.
Sea state
Moderate or rough.
Weather
Occasional drizzle at first in east, rain later in southwest.
Visibility
Moderate or good, occasionally poor later in southwest.

East Central Section

In far north

Wind
Southwesterly veering northwesterly 4 or 5.
Sea state
Slight or moderate.
Weather
Occasional drizzle.
Visibility
Moderate or good, occasionally poor at first in west.

In far southeast

Wind
Northeasterly 4 or 5.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

In rest of area

Wind
Variable, becoming northerly or northwesterly, 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional drizzle in northwest, good, occasionally poor in northwest.
Visibility

West Central Section

In north

Wind
Variable 2 to 4, becoming westerly or southwesterly 3 to 5 in north, occasionally 6 later in far northwest.
Sea state
Fog patches.
Weather
Moderate or good, occasionally very poor.
Visibility

In south

Wind
Variable 2 to 4.
Sea state
Occasional drizzle.
Weather
Moderate or good, occasionally poor.
Visibility

Denmark Strait

In north

Wind
Variable 2 to 4, becoming northerly or northwesterly 4 to 6.
Sea state
Moderate, occasionally slight at first.
Weather
Fog patches at first, then occasional rain.
Visibility
Moderate or good, occasionally very poor at first.

In south

Wind
Southwesterly 5 to 7, occasionally gale 8 in far west, becoming cyclonic 3 to 5 later.
Sea state
Moderate, occasionally rough in south.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In north

Wind
Southerly or southeasterly, becoming cyclonic, 3 to 5, occasionally 6 later in north and west.
Sea state
Moderate, occasionally slight.
Weather
Rain at times and fog patches.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Westerly or southwesterly 4 to 6, occasionally 7 in southeast.
Sea state
Moderate, occasionally rough in southeast.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Northwesterly 4 or 5 at first in far south, otherwise variable 2 to 4, becoming southwesterly 4 to 6.
Sea state
Occasional rain.
Weather
Moderate or good, occasionally poor.
Visibility

Outlook for the following 24 hours

Gales expected in both northern sections.

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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