Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 231200UTC, low 62 north 22 west 999 expected 66 north 17 west 1001 by 241200UTC. Low 58 north 32 west 1001 losing its identity. New high expected 53 north 11 west 1021 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northeast 3 to 5.
Sea state
Slight or moderate.
Weather
Fog patches, showers, perhaps thundery later.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Occasional rain or showers, perhaps thundery later.
Visibility
Good occasionally moderate.

Rockall

Wind
Southwest 3 to 5.
Sea state
Slight or moderate, becoming moderate.
Weather
Occasional rain.
Visibility
Good occasionally moderate.

Bailey

Wind
Southwest 4 to 6.
Sea state
Moderate becoming moderate or rough.
Weather
Occasional rain.
Visibility
Good occasionally moderate.

Faeroes

Wind
Southwesterly 4 or 5, occasionally 6 later.
Sea state
Slight or moderate becoming moderate.
Weather
Occasional rain, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

Southeast Iceland

Wind
Cyclonic 4 to 6, becoming southwesterly 4 or 5, occasionally 6 later.
Sea state
Slight or moderate becoming moderate.
Weather
Occasional rain, fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

East Northern Section

In north of area

Wind
Cyclonic 4 to 6.
Sea state
Slight or moderate, becoming moderate or rough later in southeast.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good, occasionally poor at first in north.

In south of area

Wind
Southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Good occasionally moderate.

West Northern Section

In north of area

Wind
Variable 2 to 4.
Sea state
Moderate, occasionally slight at first in north.
Weather
Rain or showers.
Visibility
Good occasionally moderate.

In south of area

Wind
Cyclonic becoming westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good occasionally moderate.

East Central Section

In north of area

Wind
Southwesterly 4 to 6, becoming variable, mainly westerly, 2 to 4 later.
Sea state
Moderate or rough, becoming moderate later.
Weather
Occasional rain or drizzle.
Visibility
Moderate or good.

In southeast of area

Wind
Northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Rain or showers, thundery later.
Visibility
Moderate or good, occasionally poor later.

In southwest of area

Wind
Southwesterly veering northerly or northwesterly later, 3 to 5.
Sea state
Moderate.
Weather
Occasional rain or showers.
Visibility
Good occasionally moderate.

West Central Section

Wind
Westerly or northwesterly, backing westerly or southwesterly later, 3 to 5, becoming variable 2 to 4 later in southwest.
Sea state
Moderate, but rough at first in north.
Weather
Occasional rain or showers, becoming fair later in southwest.
Visibility
Good occasionally moderate.

Denmark Strait

Wind
Variable 2 to 4, but easterly or northeasterly 3 to 5 at first in southeast.
Sea state
Slight, becoming slight or moderate later in south.
Weather
Fog patches, occasional drizzle.
Visibility
Moderate or good occasionally very poor.

North Iceland

In south of area

Wind
Cyclonic 4 to 6.
Sea state
Slight or moderate.
Weather
Rain or drizzle and fog patches, becoming fog banks later.
Visibility

In north of area

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate at first.
Weather
Fog patches, occasional drizzle.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Cyclonic 4 to 6, becoming southwesterly 4 or 5 later.
Sea state
Slight or moderate.
Weather
Rain and drizzle, fog patches until later.
Visibility
Moderate occasionally very poor, becoming moderate or good later.

Outlook for the following 24 hours

Gales are expected in West Central Section.

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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