Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 021200UTC, developing low moving rather quickly northeastwards, expected 63 north 30 west 983 by 031200UTC. New low expected 69 north 04 east 1001 by same time. Low 66 north 30 west 986 losing its identity. at 021200UTC, high 40 north 42 west 1022 expected 44 north 35 west 1024 by 031200UTC. New high expected 51 north 06 west 1031 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwest 4 or 5, becoming variable 2 to 4.
Sea state
Rough becoming moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
West backing south 3 to 5.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good.

Rockall

Wind
West backing southwest 4 to 6.
Sea state
Rough.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
Southwest 5 to 7, perhaps gale 8 later.
Sea state
Rough, occasionally very rough later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor later.

Faeroes

Wind
South 4 or 5, veering southwest 5 to 7.
Sea state
Rough.
Weather
Showers, rain later.
Visibility
Moderate or good, occasionally poor later.

Southeast Iceland

Wind
Southerly 4 to 6, veering southwesterly 5 to 7, perhaps gale 8 later.
Sea state
Rough, occasionally very rough later in southwest.
Weather
Showers, rain later.
Visibility
Moderate or good, occasionally poor later.

East Northern Section

Wind
Southwesterly, becoming cyclonic later in far northwest, 5 to 7, occasionally gale 8 later.
Sea state
Rough or very rough, but moderate or rough in far northwest.
Weather
Rain at times.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic 3 to 5, increasing 5 to 7.
Sea state
Moderate or rough, occasionally very rough later in southeast.
Weather
Rain at times, showers later.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Southwesterly 6 to gale 8, veering westerly 4 to 6 later.
Sea state
Rough or very rough.
Weather
Rain at times, showers later.
Visibility
Moderate or good, occasionally poor.

East Central Section

In north

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Showers at first, then occasional drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Southerly or southwesterly 3 to 5, but variable 2 to 4 in far southeast.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional drizzle and fog patches in west.
Visibility
Moderate or good, occasionally very poor in west.

West Central Section

In far southeast

Wind
Variable 2 to 4.
Sea state
Moderate, occasionally rough at first.
Weather
Occasional drizzle and fog patches, fair later.
Visibility
Moderate or good, occasionally very poor.

In rest of area

Wind
Southwesterly 4 to 6, occasionally 7 in north.
Sea state
Moderate or rough, occasionally very rough at first in far north.
Weather
Rain or drizzle at times.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Cyclonic 4 to 6, becoming variable 2 to 4 in north.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches developing later near greenland.
Visibility
Moderate or good, occasionally poor, and occasionally very poor later near greenland.

North Iceland

In north

Wind
Cyclonic 4 to 6, becoming southwesterly 3 to 5, then variable 2 to 4 later.
Sea state
Moderate or rough.
Weather
Occasional rain and fog banks.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Cyclonic 4 to 6, becoming southwesterly 3 to 5, then backing southerly or southeasterly 5 to 7 later.
Sea state
Moderate or rough.
Weather
Showers, rain later.
Visibility
Good, occasionally poor.

Norwegian Basin

Wind
Southerly becoming cyclonic 5 to 7, occasionally gale 8 near norway, then becoming southwesterly 4 to 6 later.
Sea state
Rough, occasionally moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Severe gales expected in Southeast Iceland, both northern sections and Norwegian Basin. Gales also expected in Bailey, Faeroes, both central sections, Denmark Strait and north 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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