Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 020000UTC, low 67 north 01 east 999 expected 66 north 02 east 1003 by 030000UTC. Low 47 north 20 west 1006 expected 50 north 17 west 1003 by same time. High 57 north 30 west 1025 expected 55 north 37 west 1026 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southeasterly 4 to 6, veering southerly 3 to 5.
Sea state
Moderate or rough in west, slight or moderate in east.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Shannon

Wind
Easterly or southeasterly 5 to 7, veering southerly 3 to 5 later in south.
Sea state
Moderate or rough.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

Rockall

Wind
In south, easterly 5 to 7. in north, variable 2 to 4, becoming northeasterly 3 to 5 later.
Sea state
Moderate, occasionally rough in south.
Weather
In south, rain at times. in north, showers.
Visibility
Good, occasionally poor in south.

Bailey

Wind
Variable 2 to 4, becoming northeast 3 to 5 later.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Northwest 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally rough in north.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Northerly 4 to 6, but variable 2 to 4 in west.
Sea state
Moderate or rough in east, slight or moderate in west.
Weather
Showers in east.
Visibility
Good.

East Northern Section

Wind
Northerly or northwesterly 3 to 5, but variable 2 to 4 in far northeast.
Sea state
Moderate, occasionally slight in northwest.
Weather
Showers.
Visibility
Good.

West Northern Section

In north

Wind
Variable 2 to 4, becoming westerly or southwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches in far northwest.
Visibility
Moderate or good, occasionally very poor in far northwest.

In south

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

East Central Section

In northwest

Wind
Northerly or northeasterly 5 to 7, occasionally gale 8 in northeast.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor in northeast.

In southeast

Wind
Cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor in northeast.

West Central Section

In far northwest

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Fair.
Visibility
Good.

In rest of area

Wind
Easterly or northeasterly 4 or 5, occasionally 6 in southeast.
Sea state
Moderate, occasionally rough at first in southeast.
Weather
Showers at first in southeast.
Visibility
Good.

Denmark Strait

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fog banks.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In northwest

Wind
Northerly or northeasterly 3 to 5, becoming variable 2 to 4.
Sea state
Moderate.
Weather
Fog patches later.
Visibility
Moderate or good, occasionally very poor later.

In southeast

Wind
Northerly or northwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Norwegian Basin

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours

No gales 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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