Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 191200UTC, high 52 north 34 west 1030 expected 53 north 30 west 1029 by 201200UTC. Low 42 north 47 west 1015 expected 47 north 38 west 1017 by same time. Low 55 north 11 west 999 losing its identity.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Westerly or northwesterly, 4 to 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Moderate or good.

Shannon

Wind
Cyclonic 5 to 7, becoming north or northwest, 4 to 6.
Sea state
Rough, occasionally very rough until later.
Weather
Showers.
Visibility
Moderate or good, occasionally poor.

Rockall

Wind
Cyclonic 5 to 7, becoming north or northwest, 4 to 6.
Sea state
Rough, occasionally very rough until later, and moderate at times later.
Weather
Showers.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
Northeast 4 to 6, backing north or northwest, 3 to 5.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Northeast backing north or northwest, 4 to 6, occasionally 3 later.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good, occasionally moderate.

Southeast Iceland

Wind
Northeasterly backing northerly 3 to 5, becoming variable 2 to 4 in north.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

East Northern Section

In north

Wind
Variable 2 to 4, becoming cyclonic, mainly westerly or northwesterly, 3 to 5 later.
Sea state
Moderate, occasionally rough at first in southeast, and slight at times in north.
Weather
Fair, occasionally rain later in west.
Visibility
Moderate or good.

In south

Wind
Northerly or northwesterly, backing westerly at times in west, 3 to 5, occasionally 6 at first in southeast and decreasing 2 at times in west.
Sea state
Moderate or rough, occasionally very rough at first in southeast.
Weather
Showers.
Visibility
Moderate or good.

West Northern Section

Wind
Cyclonic, mainly westerly or southwesterly, 3 to 5.
Sea state
Moderate.
Weather
Fair in south, otherwise rain or drizzle at times, fog patches in far west.
Visibility
Moderate or good, occasionally very poor in far west.

East Central Section

Wind
Northerly or northwesterly 4 to 6, occasionally 7 at first in northeast and 3 later, becoming cyclonic, mainly easterly or southeasterly, 3 to 5 later in southwest.
Sea state
Moderate or rough, occasionally very rough until later in northeast.
Weather
Mainly fair, but showers in northeast, and occasional thundery rain later in far southwest.
Visibility
Good, occasionally poor later in far southwest.

West Central Section

In north

Wind
Variable 2 to 4, becoming easterly 3 to 5 in south.
Sea state
Moderate.
Weather
Mainly fair.
Visibility
Mainly good.

In south

Wind
Variable 2 to 4 at first in east, otherwise cyclonic 3 to 5, occasionally 6 later.
Sea state
Moderate, occasionally rough later.
Weather
Rain or thundery showers, fog patches in far south.
Visibility
Moderate or good, occasionally poor, but very poor at times in far south.

Denmark Strait

Wind
Westerly or southwesterly 3 to 5, occasionally 2 later.
Sea state
Slight or moderate.
Weather
Drizzle, fog patches except in south.
Visibility
Moderate or good, occasionally very poor except in south.

North Iceland

In north

Wind
Cyclonic, mainly southwesterly veering mainly northerly, 3 to 5, but variable 3 or less at times in west.
Sea state
Slight or moderate.
Weather
Mainly fair, but fog patches in east.
Visibility
Moderate or good, occasionally very poor in east.

In south

Wind
Northerly at first in east, otherwise westerly or northwesterly, 3 to 5.
Sea state
Moderate, occasionally rough in far southeast and slight at times in far west.
Weather
Occasional drizzle, fog patches in west.
Visibility
Moderate or good, occasionally very poor in west.

Norwegian Basin

Wind
Mainly northerly 4 to 6, occasionally 7 in central areas, becoming cyclonic 2 to 4 at times in east.
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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