Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 141200UTC, low 52 north 37 west 992 expected 56 north 31 west 994 by 151200UTC. High 69 north 18 west 1030 dissipating

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, becoming southwest 3 to 5.
Sea state
Moderate.
Weather
Occasional drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Cyclonic becoming southwest 3 to 5.
Sea state
Moderate.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Rockall

Wind
East or southeast 4 to 6.
Sea state
Moderate, occasionally rough in northwest.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Bailey

Wind
East or southeast 4 to 6.
Sea state
Moderate, occasionally rough in southwest.
Weather
Rain later.
Visibility
Good, occasionally moderate.

Faeroes

Wind
North veering northeast 3 to 5.
Sea state
Moderate, occasionally slight.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Variable 2 to 4, becoming northeasterly 3 to 5.
Sea state
Moderate, occasionally slight.
Weather
Fair.
Visibility
Good.

East Northern Section

In far north

Wind
Variable 2 to 4, becoming easterly 4 to 6.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

In far south

Wind
Southeasterly 5 to 7, veering southerly 4 or 5 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

In rest of area

Wind
Southeasterly 5 to 7, backing easterly 6 to gale 8 later.
Sea state
Moderate or rough, occasionally very rough later in west.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In far south

Wind
Cyclonic 4 to 6.
Sea state
Rough.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

In far north

Wind
Northeasterly 3 to 5.
Sea state
Fog patches.
Weather
Moderate or good, occasionally very poor.
Visibility

In rest of area

Wind
Northeasterly 5 to 7.
Sea state
Rough, occasionally moderate in north.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

East Central Section

Wind
Southerly or southwesterly 4 to 6.
Sea state
Rough, occasionally moderate in east.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

West Central Section

In north

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

In south

Wind
Westerly 5 to 7.
Sea state
Rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Denmark Strait

Wind
Variable 2 to 4.
Sea state
Slight, becoming moderate in far south.
Weather
Fog banks.
Visibility
Moderate, occasionally very poor.

North Iceland

Wind
Variable 2 to 4.
Sea state
Occasional drizzle, fog banks in northwest.
Weather
Moderate or good, occasionally very poor in northwest.
Visibility

Norwegian Basin

Wind
Northerly 4 to 6, occasionally 7 at first in far south.
Sea state
Moderate, occasionally rough at first in far south.
Weather
Showers.
Visibility
Good.

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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