Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 160000UTC, low 55 north 29 west 992 expected 57 north 23 west 992 by 170000UTC. Low 41 north 43 west 1010 expected 42 north 34 west 1012 by same time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Westerly or southwesterly, 3 to 5.
Sea state
Slight or moderate.
Weather
Rain or drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Cyclonic becoming southerly or southwesterly, 3 to 5, increasing 6 at times.
Sea state
Moderate occasionally rough.
Weather
Occasionally rain.
Visibility
Moderate or good, occasionally poor.

Rockall

Wind
Cyclonic becoming southerly or southwesterly, 3 to 5, increasing 6 at times.
Sea state
Moderate occasionally rough.
Weather
Occasionally rain.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
In south, cyclonic becoming southerly or southwesterly, 3 to 5, increasing 6 at times. in north, easterly or southeasterly 5 to 7, occasionally gale 8 for a time, decreasing 3 to 5 later.
Sea state
Moderate or rough.
Weather
In south, occasionally rain. in north, rain.
Visibility
In south, moderate or good, occasionally poor. in north, good, occasionally poor.

Faeroes

Wind
East or southeast becoming cyclonic later, 4 to 6, occasionally 7.
Sea state
Slight or moderate, becoming moderate occasionally rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic, mainly easterly or northeasterly 3 to 5, increasing 6 to gale 8, occasionally severe gale 9 later in northwest, decreasing 3 to 5 later in southwest.
Sea state
Moderate becoming moderate or rough, occasionally very rough later in northwest.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

East Northern Section

In north of area

Wind
Easterly or northeasterly 6 to gale 8, occasionally severe gale 9 later, but northerly or northeasterly 3 to 5 in far northwest.
Sea state
Rough or very rough, occasionally moderate in far north.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

In south of area

Wind
Cyclonic 4 to 6, increasing 6 or 7 in southeast and 6 to gale 8 in northwest.
Sea state
Moderate or rough, occasionally very rough later in northwest.
Weather
Occasional rain or showers, perhaps thundery for a time.
Visibility
Good, occasionally poor.

West Northern Section

Wind
Cyclonic, mainly northerly or northeasterly 5 to 7, occasionally gale 8 in central areas in east, but decreasing 4 at times in northwest and southeast.
Sea state
Moderate or rough, but rough or very rough in central areas in east.
Weather
Occasional rain or drizzle, fog patches in far northwest, fair at times in northeast.
Visibility
Moderate or good, occasionally poor, but very poor at times in far northwest.

East Central Section

Wind
Southwesterly, but cyclonic in far northwest, 4 to 6, occasionally 7 in northwest and later in northeast.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, thundery later in south.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic, mainly westerly or northwesterly, 4 to 6, occasionally 7 at first in northeast.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good.

Denmark Strait

Wind
Variable 2 to 4, becoming northwesterly 4 to 6, occasionally 7 later in southeast.
Sea state
Slight or moderate.
Weather
Occasional drizzle and fog patches, mainly in west.
Visibility
Moderate or good, occasionally very poor.

North Iceland

Wind
Variable 2 to 4, but becoming easterly or northeasterly 4 to 6 later in south, occasionally 7 later in far southeast.
Sea state
Slight in north, slight or moderate in south.
Weather
Snow showers, fog patches in northwest, occasionally rain later in far south.
Visibility
Good occasionally moderate, but moderate to very poor in northwest.

Norwegian Basin

Wind
Northerly or northwesterly 3 to 5, occasionally 6 at first in southeast, becoming easterly or southeasterly 4 to 6 later in west, but easterly or northeasterly 3 to 5 later in east.
Sea state
Moderate, occasionally slight in west.
Weather
Showers, rain later in west.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours

Severe gales are expected in Southeast Iceland and East Northern Section.

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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