Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 190000UTC, low 58 north 12 west 997 expected 54 north 03 west 1001 by 200000UTC. Low 57 north 05 east 1001 expected 58 north 18 east 996 by same time. High 51 north 36 west 1031 expected 52 north 34 west 1029 by that time. at 190000UTC, low 65 north 19 west 1014 losing its identity by 200000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
North or northwest 4 to 6.
Sea state
Moderate or rough, occasionally slight at first.
Weather
Showers.
Visibility
Moderate or good.

Shannon

Wind
Northwest 5 to 7.
Sea state
Rough, occasionally very rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
Cyclonic becoming northerly or northwesterly, 5 to 7, occasionally 4 at first in east.
Sea state
Rough or very rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
Northeasterly, 5 to 7, occasionally gale 8 at first, backing northerly 4 to 6 later.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
Northeast backing north later, 4 to 6, occasionally 7 at first.
Sea state
Moderate or rough.
Weather
Rain then showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Northerly 3 to 5, occasionally 6 at first in southeast, becoming variable 2 to 4 in northwest.
Sea state
Moderate occasionally rough in south.
Weather
Showers.
Visibility
Good.

East Northern Section

In southeast

Wind
Northeasterly 5 to 7, occasionally gale 8 at first in east, backing northerly or northwesterly 3 to 5 later.
Sea state
Moderate or rough, occasionally very rough in east.
Weather
Rain or showers, becoming fair later.
Visibility
Good occasionally moderate.

In northwest

Wind
Northerly or northwesterly backing westerly later, 3 to 5.
Sea state
Moderate occasionally slight in far north and rough at first in southeast.
Weather
Occasional rain.
Visibility
Moderate or good.

West Northern Section

Wind
Northwesterly at first in far southwest, otherwise westerly or southwesterly, 3 to 5.
Sea state
Moderate occasionally rough at first in far southeast.
Weather
Occasional rain.
Visibility
Moderate or good.

East Central Section

Wind
Northerly or northwesterly 4 to 6, occasionally 7 in northeast, becoming variable 2 to 4 later in east.
Sea state
Moderate or rough, occasionally very rough in north.
Weather
Occasional rain or showers.
Visibility
Good occasionally moderate.

West Central Section

In northeast

Wind
Northwesterly 4 to 6 at first in northeast, otherwise variable 2 to 4.
Sea state
Moderate occasionally rough at first in far northeast.
Weather
Mainly fair.
Visibility
Mainly good.

In southwest

Wind
Variable 2 to 4 at first in northeast, otherwise cyclonic 4 to 6.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor in south.

Denmark Strait

Wind
Westerly or southwesterly 3 to 5, occasionally 6 at first in north.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In southeast

Wind
Northerly or northeasterly 4 to 6 in far southeast, otherwise variable 2 to 4.
Sea state
Slight or moderate, occasionally rough in far southeast.
Weather
Mainly fair.
Visibility
Mainly good.

In northwest

Wind
Westerly or southwesterly 4 to 6, becoming variable 2 to 4 later in all but far south.
Sea state
Slight or moderate.
Weather
Occasional rain or drizzle, fog patches in north.
Visibility
Moderate or good, occasionally poor, and very poor in north.

Norwegian Basin

Wind
Northerly or northeasterly becoming cyclonic later in east, 4 to 6, occasionally 7 later in west.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

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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