Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 261200UTC, low 56 north 32 west 994 expected 56 north 23 west 986 by 271200UTC. High 60 north 06 west 1017 expected 66 north 12 east 1018 by same time. High 47 north 03 west 1018 lii by that time. at 261200UTC, low 53 north 11 west 1009 expected 59 north 11 west 997 by 271200UTC.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwest 4 to 6.
Sea state
Moderate, occasionally rough later in west.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Shannon

Wind
Cyclonic, becoming south or southwest, 4 to 6.
Sea state
Moderate occasionally rough later.
Weather
Rain or showers, fog patches.
Visibility
Good, occasionally poor or very poor.

Rockall

Wind
Cyclonic, becoming south or southwest, 4 to 6.
Sea state
Moderate occasionally rough later.
Weather
Rain or showers, fog patches.
Visibility
Good, occasionally poor or very poor.

Bailey

Wind
Southeast becoming cyclonic later, 3 to 5.
Sea state
Moderate.
Weather
Rain or showers, fog patches.
Visibility
Good, occasionally poor or very poor.

Faeroes

Wind
Variable 2 to 4, becoming east 4 to 6, then cyclonic later.
Sea state
Moderate occasionally rough.
Weather
Rain or showers, fog patches.
Visibility
Moderate or good, occasionally very poor.

Southeast Iceland

Wind
Westerly 3 to 5, backing easterly 4 to 6 later, occasionally 7 in east.
Sea state
Moderate occasionally rough.
Weather
Rain or showers, fog patches later.
Visibility
Moderate or good, occasionally poor and very poor later.

East Northern Section

In north

Wind
Southeasterly backing easterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasional poor or very poor.

In south

Wind
Cyclonic 5 to 7, occasionally gale 8 in southwest.
Sea state
Rough or very rough, occasionally high in south.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasional poor or very poor.

West Northern Section

In north

Wind
Cyclonic 3 to 5, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches in east.
Visibility
Good, occasional poor or very poor in east.

In south

Wind
Cyclonic 5 to 7, occasionally gale 8 in southeast.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches in east.
Visibility
Good, occasional poor or very poor in east.

East Central Section

In southeast

Wind
Southwesterly 3 to 5, veering westerly 5 to 7.
Sea state
Rough or very rough, occasionally moderate later in west.
Weather
Rain or showers, becoming fair later.
Visibility
Good, occasionally moderate or poor.

In northwest

Wind
Southerly or southwesterly veering westerly, 5 to 7, occasionally gale 8 in north.
Sea state
Rough or very rough, occasionally high in north.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic 5 to 7, occasionally gale 8 in northeast, becoming westerly 4 to 6 later, occasionally 7 in northeast.
Sea state
Moderate or rough, occasionally very rough at first in east.
Weather
Occasional rain at first in northeast, good, occasionally moderate or poor at first in northeast.
Visibility

Denmark Strait

In north

Wind
Cyclonic 3 to 5, occasionally 6 in north.
Sea state
Smooth or slight.
Weather
Occasional drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Cyclonic 3 to 5, occasionally 6 later.
Sea state
Slight or moderate, occasionally rain in south.
Weather
Occasional drizzle and fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In north

Wind
Cyclonic, 6 or 7 at first in northwest, otherwise 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain and fog patches, with sleet or snow near ice edge.
Visibility
Moderate or poor, occasionally very poor.

In south

Wind
Westerly 3 to 5, becoming variable 2 to 4, then easterly 5 to 7 later in far south.
Sea state
Slight or moderate, occasionally rough in south.
Weather
Occasional rain in south.
Visibility
Moderate or good, occasionally poor in south.

Norwegian Basin

Wind
Westerly 4 or 5 at first in north, otherwise variable 2 to 4, becoming easterly 4 to 6, then veering southerly later in south.
Sea state
Moderate.
Weather
Occasional rain and very poor later.
Visibility

Outlook for the following 24 hours

Gales expected in East Northern Section, West Northern Section, East Central Section, Denmark Strait and north 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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