Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 080000UTC, high 44 north 17 west 1024 expected 49 north 12 west 1022 by 090000UTC. Low 55 north 37 west 993 expected 62 north 28 west 994 by same time. Low 63 north 32 west 992 losing its identity by that time. at 080000UTC, high 41 north 52 west 1025 expected 39 north 42 west 1027 by 090000UTC. New low expected 43 north 25 west 1015 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable, mainly northerly, 2 to 4, becoming northerly 4 or 5 later in east.
Sea state
Slight occasionally moderate.
Weather
Drizzle.
Visibility
Good, occasionally poor.

Shannon

Wind
Southerly or southwesterly 2 to 4, occasionally 5 later in northwest.
Sea state
Moderate.
Weather
Drizzle.
Visibility
Good, occasionally poor.

Rockall

Wind
South or southwest 3 to 5, occasionally 6.
Sea state
Moderate, occasionally rough.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Bailey

Wind
South or southwest 3 to 5, occasionally 6.
Sea state
Moderate, occasionally rough.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
Southwesterly 3 to 5.
Sea state
Moderate, occasionally slight just east of faeroe isles.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Southwesterly 3 to 5, occasionally 6 later.
Sea state
Moderate.
Weather
Drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Southerly or southwesterly 4 to 6, increasing 7 for a time in southwest, becoming cyclonic later in northwest.
Sea state
Moderate or rough, occasionally very rough in southwest.
Weather
Occasional rain and drizzle with fog patches, showers later.
Visibility
Moderate or good, occasionally very poor.

West Northern Section

Wind
Cyclonic, becoming westerly in south, 5 to 7, decreasing 3 to 5 in north.
Sea state
Moderate or rough, occasionally very rough in southeast.
Weather
Occasional rain or showers.
Visibility
Moderate or good occasionally poor.

East Central Section

Wind
Cyclonic, mainly southerly or southwesterly, 4 to 6.
Sea state
Moderate or rough, occasionally slight in far southeast.
Weather
Occasional rain or thundery showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

West Central Section

In north of area

Wind
Cyclonic 5 to 7, becoming westerly or southwesterly 4 to 6.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Occasional rain at first.
Visibility
Good, occasionally moderate at first.

In south of area

Wind
Westerly or northwesterly, becoming cyclonic, 3 to 5, occasionally 6 at first in southeast.
Sea state
Moderate, but rough at first in northwest.
Weather
Occasional rain or thundery showers at first in far southeast, then showers.
Visibility
Good, occasionally poor at first in far southeast.

Denmark Strait

Wind
Variable 2 to 4 in far northeast, otherwise cyclonic 4 to 6, occasionally 7 in southwest, decreasing 2 to 4.
Sea state
Slight or moderate, occasionally rough in south.
Weather
Occasional rain and drizzle, extensive fog in north and west.
Visibility
Poor or very poor, occasionally good in south and east.

North Iceland

Wind
Cyclonic 3 to 5, occasionally 6 in southeast.
Sea state
Moderate, but slight at first in northwest.
Weather
Occasional rain or drizzle, fog banks becoming extensive.
Visibility
Poor or very poor, occasionally good.

Norwegian Basin

Wind
Westerly or northwesterly at first in east, otherwise southerly or southwesterly 3 to 5.
Sea state
Moderate, occasionally rough at first in northeast.
Weather
Occasional rain or drizzle, fog patches in west.
Visibility
Moderate or good, occasionally poor, but very poor in west.

Outlook for the following 24 hours

No gales expected.

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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