Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 111200UTC, low 65 north 04 west 997 expected 63 north 08 west 999 by 121200UTC. High 45 north 09 west 1029 expected 45 north 02 west 1030 by same time. Low 57 north 32 west 989 losing its identity by that time. at 111200UTC, new low expected 46 north 35 west 1005 by 121200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
West or southwest 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Southwest veering west later, 4 to 6.
Sea state
Rough.
Weather
Rain or drizzle.
Visibility
Good, occasionally poor.

Rockall

Wind
Southwest veering west later, 4 to 6, increasing 7 or gale 8 later.
Sea state
Rough, becoming rough or very rough.
Weather
Rain or drizzle.
Visibility
Good, occasionally poor.

Bailey

Wind
Cyclonic becoming west or northwest later, 4 to 6.
Sea state
Moderate or rough, becoming rough or very rough later.
Weather
Rain or showers.
Visibility
Moderate or good.

Faeroes

Wind
Southwest backing south or southeast for a time, 4 to 6.
Sea state
Slight or moderate, becoming moderate or rough later.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 4 to 6, occasionally 7 later, perhaps gale 8 later.
Sea state
Moderate, but slight near Iceland, becoming moderate or rough later.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

East Northern Section

In north

Wind
Cyclonic 3 to 5, occasionally 6 at first in north.
Sea state
Moderate or rough.
Weather
Rain or showers, becoming mainly fair later.
Visibility
Moderate or good.

In south

Wind
Southwesterly, veering westerly, 6 to gale 8, decreasing 4 to 6 later.
Sea state
Rough or very rough.
Weather
Occasional rain or drizzle, then showers, becoming mainly fair later.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north of area

Wind
Cyclonic 3 or 4 at first in east, otherwise northerly or northeasterly 4 to 6, decreasing 3 or 4 later.
Sea state
Moderate or rough.
Weather
Rain at times, becoming mainly fair later.
Visibility
Good, occasionally moderate.

In south of area

Wind
Northwesterly 4 to 6, but 6 to gale 8 at first in east, becoming variable 3 or 4 for a time in west.
Sea state
Very rough at first in far southeast, otherwise rough, becoming moderate or rough later.
Weather
Rain or showers, becoming mainly fair later.
Visibility
Good, occasionally moderate.

East Central Section

Wind
Southwesterly 4 to 6, but 6 to gale 8 until later in north, backing southerly or southeasterly 3 to 5 later.
Sea state
Moderate or rough in south, otherwise rough or very rough.
Weather
Rain or drizzle, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

West Central Section

In north of area

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 at first in east, becoming variable 3 or less, then becoming easterly or northeasterly 4 to 6.
Sea state
Moderate or rough, occasionally very rough in east.
Weather
Showers, occasional rain or drizzle later in south.
Visibility
Moderate or good, occasionally poor later in south.

In south of area

Wind
Cyclonic 3 or 4, increasing 4 to 6.
Sea state
Rough or very rough, becoming moderate or rough.
Weather
Rain or showers, fog patches developing for a time.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

Wind
Northerly or northeasterly 4 to 6, becoming variable 2 or 3 at times near greenland coast.
Sea state
Moderate or rough, occasionally slight near greenland coast.
Weather
Rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

Wind
Cyclonic in far south, otherwise northeasterly, 4 or 5, increasing 6 at times except in far north, becoming variable 3 or 4 later in north.
Sea state
Slight in far north, otherwise moderate, occasionally rough in south.
Weather
Occasional rain or drizzle in south, otherwise fog banks.
Visibility
Moderate to very poor.

Norwegian Basin

Wind
Southerly or southwesterly 4 to 6, backing easterly or southeasterly 3 to 5, then becoming cyclonic 5 to 7 later.
Sea state
Moderate or rough, becoming moderate.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours

Gales expected in West Northern Section and West Central Section. Risk of gales in Southeast Iceland.

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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