Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 140000UTC, low 67 north 11 west 1003 expected 68 north 01 west 1003 by 150000UTC. Low 56 north 52 west 1001 expected 58 north 40 west 1006 by same time. High 46 north 23 west 1030 expected 40 north 23 west 1029 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
West veering north 3 to 5.
Sea state
Moderate.
Weather
Showers.
Visibility
Good, occasionally poor at first.

Shannon

Wind
Northwest 4 or 5, occasionally 3 later.
Sea state
Moderate.
Weather
Showers at first.
Visibility
Good.

Rockall

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

Bailey

Wind
Westerly or northwesterly 4 or 5, occasionally 6 in south.
Sea state
Moderate, occasionally rough in south.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Southwest veering northwest 3 to 5.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor at first.

Southeast Iceland

Wind
Cyconic 3 to 5, occasionally 6 in northeast.
Sea state
Moderate, occasionally rough later in northeast.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor at first.

East Northern Section

In north

Wind
Northerly or northwesterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally rough.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

In south

Wind
Westerly or northwesterly 4 to 6, backing southerly or southwesterly 3 to 5 later.
Sea state
Moderate, occasionally rough at first, becoming slight later in north.
Weather
Showers, rain in southwest.
Visibility
Good, becoming moderate or poor in southwest.

West Northern Section

In north

Wind
Northerly or northwesterly 4 or 5 at first in far east, otherwise variable 2 to 4, becoming easterly 4 to 6 later in south.
Sea state
Moderate, occasionally rough.
Weather
Showers, rain later in south.
Visibility
Good, becoming moderate or poor later in south.

In south

Wind
Variable 2 to 4 at first in northeast, otherwise southerly or southeasterly 4 to 6, becoming cyclonic 3 to 5 later.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, with fog patches.
Visibility
Moderate or poor, occasionally very poor.

East Central Section

In west

Wind
Variable 2 to 4, becoming southerly or southwesterly 4 or 5, occasionally 6 later.
Sea state
Moderate, occasionally slight in south.
Weather
Rain or showers and fog patches.
Visibility
Moderate or poor, occasionally very poor.

In east

Wind
Variable 2 to 4, becoming southerly 4 or 5 later in west.
Sea state
Moderate, occasionally slight in south.
Weather
Rain later in west.
Visibility
Good, occasionally moderate later in west.

West Central Section

In west

Wind
Southerly 4 to 6, veering westerly or southwesterly 3 to 5, then backing southerly or southeasterly later in south.
Sea state
Moderate, occasionally rough at first.
Weather
Rain at times and fog patches.
Visibility
Moderate or good, occasionally very poor.

In east

Wind
Southerly or southeasterly 4 to 6, veering westerly or southwesterly 3 to 5 later.
Sea state
Moderate, occasionally rough at first.
Weather
Rain or drizzle and fog patches.
Visibility
Moderate or poor, occasionally very poor.

Denmark Strait

In north

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate at first.
Weather
Fair.
Visibility
Good.

In south

Wind
Variable 2 to 4, becoming southwesterly 4 or 5 for a time in south.
Sea state
Slight or moderate.
Weather
Rain at first near iceland, fog patches later.
Visibility
Moderate or good, occasionally very poor later.

North Iceland

In far northwest

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

In rest of area

Wind
Cyclonic, becoming northerly or northwesterly, 4 to 6, becoming variable 2 to 4 later in west.
Sea state
Moderate, occasionally rough in southeast.
Weather
Occasional rain, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

Norwegian Basin

Wind
Westerly or southwesterly 4 or 5.
Sea state
Moderate.
Weather
Rain at times, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

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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