Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 190000UTC, high 55 north 22 west 1033 expected 54 north 20 west 1036 by 200000UTC. New low expected 74 north 24 west 1007 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Shannon

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Rockall

Wind
Northerly or northwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Fair then occasional drizzle.
Visibility
Moderate or good.

Bailey

Wind
Northwest 3 to 5, occasionally 6.
Sea state
Moderate, occasionally rough in north and slight at first in south.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

Faeroes

Wind
Mainly variable 2 to 4 in northeast, otherwise westerly or northwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional drizzle, fog patches in northeast.
Visibility
Moderate or good, occasionally very poor in northeast.

Southeast Iceland

Wind
Mainly variable 2 to 4 in northeast, otherwise westerly or northwesterly 3 to 5, occasionally 6.
Sea state
Slight or moderate, occasionally rough in southwest.
Weather
Occasional drizzle, fog patches in northeast.
Visibility
Moderate or good, occasionally very poor in northeast.

East Northern Section

In north

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally rough in far northeast and later in northwest.
Weather
Drizzle at times, rain later in northwest.
Visibility
Good, occasionally poor.

In south

Wind
Mainly westerly or southwesterly 3 to 5 in north, otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional drizzle.
Visibility
Moderate or good.

West Northern Section

In north

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate, occasionally rough at first in southwest and later in northeast.
Weather
Rain or drizzle at times with fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Southerly or southeasterly 3 to 5, occasionally 6 in west.
Sea state
Moderate, occasionally rough at first in west.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

In southeastern half of area

Wind
Easterly or northeasterly 3 or 4, occasionally 5 in east.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

In northwestern half of area

Wind
Variable 2 to 4.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

West Central Section

Wind
Cyclonic in west and southeasterly in east, 3 to 5.
Sea state
Moderate, occasionally slight in east.
Weather
Occasional rain, showers or drizzle, but thundery showers at times in south, fog patches except in far southeast.
Visibility
Moderate or good, occasionally very poor except in far southeast.

Denmark Strait

In area north of 70 north

Wind
Southerly or southeasterly, backing easterly or northeasterly later, 2 to 4.
Sea state
Slight, occasionally moderate in south.
Weather
Fog banks.
Visibility
Moderate to very poor.

In area south of 70 north

Wind
Southwesterly 4 to 6, occasionally 7 in east.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle with fog banks.
Visibility
Moderate to very poor, occasionally good in far southeast.

North Iceland

In north

Wind
Variable 2 to 4 at first in far east, otherwise southerly or southeasterly 4 to 6, becoming variable 2 to 4 later, then northerly or northeasterly 4 to 6 later in northwest.
Sea state
Slight or moderate.
Weather
Mainly fair at first in east, otherwise occasional drizzle with fog patches, but fog banks in far west.
Visibility
Good at first in east, otherwise moderate or good, occasionally very poor.

In south

Wind
Variable 2 to 4 at first in southeast and far north, otherwise westerly or southwesterly 4 to 6, occasionally 7 later in west.
Sea state
Moderate, occasionally rough in north and slight at first in southeast.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Northerly 5 or 6 until later in far southeast, otherwise variable 2 to 4, becoming westerly or southwesterly 3 to 5 later in north.
Sea state
Slight or moderate.
Weather
Mainly fair, then occasional drizzle and fog patches in northwest.
Visibility
Moderate or good, occasionally very poor in northwest.

Outlook for the following 24 hours

Risk of gales in Southeast 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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