Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 031200UTC, low 52 north 15 west 1003 expected 56 north 09 west 1001 by 041200UTC. New low expected 62 north 38 west 1013 by same time. High 54 north 36 west 1027 expected 53 north 36 west 1029 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwest, veering west or northwest, 3 to 5, occasionally 6 in west.
Sea state
Moderate, becoming rough at times in west.
Weather
Showers.
Visibility
Good.

Shannon

Wind
Cyclonic becoming northwest later, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or thundery showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Rockall

Wind
Northeast backing north, 5 to 7, perhaps gale 8 later.
Sea state
Moderate or rough, occasionally very rough later in northeast.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Bailey

Wind
In southeast, northeasterly 5 to 7, perhaps gale 8 later. in northwest, variable, becoming northerly later, 2 to 4.
Sea state
In southeast, moderate or rough. in northwest, moderate.
Weather
In southeast, rain or showers, perhaps thundery. in northwest, showers.
Visibility
In southeast, good, occasionally poor later. in northwest, good.

Faeroes

Wind
Variable 2 to 4, becoming east or northeast 4 to 6.
Sea state
Slight or moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Variable 2 to 4.
Sea state
Moderate, but slight in northwest.
Weather
Fair.
Visibility
Good.

East Northern Section

In north

Wind
Northwesterly 2 to 4, backing westerly or southwesterly 3 to 5 later.
Sea state
Slight, occasionally moderate.
Weather
Showers.
Visibility
Good.

In south

Wind
Northeasterly 5 or 6 at first in far east, otherwise northerly or northwesterly 3 to 5.
Sea state
Moderate, occasionally slight in northwest and rough in southeast.
Weather
Showers.
Visibility
Good.

West Northern Section

In far northwest

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

In rest of area

Wind
Westerly backing southerly or southwesterly, 4 or 5, increasing 6 at times in west.
Sea state
Slight or moderate, occasionally rough in west.
Weather
Rain at times.
Visibility
Good, occasionally moderate.

East Central Section

In north of area

Wind
Northerly backing northwesterly, 4 or 5, occasionally 6 at first in east, then decreasing 3 at times later in west.
Sea state
Moderate, occasionally rough in east.
Weather
Rain or showers in east.
Visibility
Moderate or good, occasionally poor in east.

In south of area

Wind
Northerly or northwesterly, veering northeasterly later in west, 3 to 5, occasionally 6 at first in east.
Sea state
Moderate, occasionally rough until later.
Weather
Showers.
Visibility
Good.

West Central Section

In north

Wind
Variable 2 to 4, but northerly 4 or 5 at first in far east.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

In south

Wind
Easterly or northeasterly 4 or 5, occasionally 6 in far south.
Sea state
Moderate.
Weather
Showers in south.
Visibility
Good.

Denmark Strait

Wind
Southerly or southwesterly 3 or 4, increasing 5 at times in north, becoming variable 3 or less in south.
Sea state
Slight or moderate.
Weather
Fog patches, occasional drizzle.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In northwest of area

Wind
Southerly or southwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional drizzle.
Visibility
Fog banks. Moderate or good, occasionally very poor.

In southeast of area

Wind
Northwest, becoming variable, 2 to 4.
Sea state
Moderate becoming slight.
Weather
Mainly fair.
Visibility
Good.

Norwegian Basin

Wind
Westerly or southwesterly 3 to 5, occasionally 6 at first in far east, becoming variable 2 to 4, then northeasterly 3 to 5 later in south.
Sea state
Moderate, occasionally rough at first in far east, becoming mainly slight later.
Weather
Showers, rain later in far southwest.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours

Risk of gales in Rockall and Bailey.

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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