Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 140000UTC, low 51 north 41 west 990 expected 53 north 32 west 995 by 150000UTC. Low 62 north 24 east 994 expected 58 north 17 east 997 by same time. Low 40 north 06 west 1014 losing its identity by that time. at 140000UTC high 73 north 20 west 1028 expected 75 north 01 west with little change by 150000UTC. New low expected 55 north 29 west 996 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
East or southeast becoming cyclonic, 3 to 5.
Sea state
Moderate.
Weather
Drizzle, fog patches later.
Visibility
Good, occasionally very poor later.

Shannon

Wind
East or southeast 3 to 5, becoming variable 3 or 4, then south or southeast 2 to 4 later.
Sea state
Moderate.
Weather
Drizzle.
Visibility
Good, occasionally poor.

Rockall

Wind
East or southeast 4 to 6.
Sea state
Moderate, occasionally rough later in north.
Weather
Showers.
Visibility
Good.

Bailey

Wind
East or northeast, veering east or southeast, 3 to 5 occasionally 6 later.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Faeroes

Wind
North or northeast 4 to 6.
Sea state
Moderate or rough, becoming moderate, occasionally slight later.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Variable 2 to 4 becoming northeasterly 3 to 5 later.
Sea state
Moderate becoming slight or moderate.
Weather
Drizzle and fog patches at first.
Visibility
Good, occasionally very poor at first.

East Northern Section

Wind
Variable 3 or less at first in northeast, otherwise southeasterly 4 to 6, occasionally 7 later, veering southerly 4 or 5 later in south.
Sea state
Mainly moderate at first, becoming moderate or rough.
Weather
Occasional rain or drizzle, fog patches at first in southwest.
Visibility
Moderate or good, occasionally very poor at first in southwest.

West Northern Section

In far south

Wind
Variable 2 or 3, becoming cyclonic 4 to 6 later.
Sea state
Rough, occasionally moderate later.
Weather
Rain or drizzle, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

In rest of area

Wind
Easterly or northeasterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle, fog patches in northeast.
Visibility
Moderate or good, occasionally very poor in northeast.

East Central Section

Wind
Southerly or southeasterly, veering southwesterly, 4 to 6, but variable 2 or 3 at first in east.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle, perhaps thundery at times, fog patches, showers later.
Visibility
Moderate or good, occasionally very poor until later.

West Central Section

Wind
Cyclonic, becoming mainly westerly later, 4 to 6, but 6 to gale 8 at first in south.
Sea state
Rough, occasionally moderate in north, and very rough at times in south.
Weather
Rain or showers, fog patches until later in northeast.
Visibility
Moderate or good, occasionally poor, but very poor at times in northeast.

Denmark Strait

Wind
Variable, mainly northeasterly 2 to 4, but northerly or northeasterly 4 or 5 for a time in far southwest.
Sea state
Slight, occasionally moderate in south.
Weather
Drizzle, extensive fog in west, becoming fog patches, fair at times in east.
Visibility
Poor or very poor, occasionally moderate or good in east.

North Iceland

Wind
Northerly 3 to 5 but often variable 2 to 4, becoming southerly 4 or 5 later in northwest.
Sea state
Slight, occasionally moderate in northeast and southeast.
Weather
Drizzle and fog banks in northwest, otherwise mainly fair, showers.
Visibility
Poor or very poor in northwest, otherwise moderate or good, occasionally poor.

Norwegian Basin

Wind
Northerly or northeasterly 4 to 6, but 7 or gale 8 until later in southeast.
Sea state
Moderate or rough.
Weather
Showers later.
Visibility
Moderate or good.

Outlook for the following 24 hours

Gales are expected in East Northern Section, with a risk of gales in West Northern Section, East Central Section and West Central 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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