Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 171200UTC, high 58 north 25 west 1033 expected 56 north 23 west 1034 by 181200UTC. New high expected 74 north 11 west 1016 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4, becoming northerly or northeasterly 3 to 5.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Shannon

Wind
North or northeast 4 to 6.
Sea state
Moderate.
Weather
Mainly fair.
Visibility
Good.

Rockall

Wind
North or northeast 4 to 6.
Sea state
Moderate, occasionally slight in east.
Weather
Mainly fair.
Visibility
Good.

Bailey

Wind
North or northwest 3 to 5, occasionally 6 at first, becoming variable 2 to 4 for a time later.
Sea state
Moderate.
Weather
Showers.
Visibility
Moderate or good.

Faeroes

Wind
In southeast, northerly or northwesterly 3 to 5. in northwest, variable 2 to 4, becoming southwesterly 3 to 5 later.
Sea state
In southeast, slight or moderate. in northwest, moderate.
Weather
In southeast, showers. in northwest, fair.
Visibility
In southeast, good. in northwest, moderate or good.

Southeast Iceland

Wind
Cyclonic 3 to 5, becoming southwesterly 4 to 6 later.
Sea state
Moderate, occasionally slight in northwest.
Weather
Fog patches developing.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

In north

Wind
Westerly or northwesterly, backing southwesterly in west, 3 to 5, occasionally 6 in northeast.
Sea state
Moderate occasionally slight.
Weather
Mainly fair then occasional drizzle, fog patches developing in west.
Visibility
Moderate or good, occasionally very poor in west.

In south

Wind
Northwesterly 4 or 5 in northeast, otherwise variable, mainly northeasterly in southeast, 2 to 4.
Sea state
Slight occasionally moderate.
Weather
Occasional drizzle in west.
Visibility
Good, occasionally moderate in west.

West Northern Section

In east

Wind
Southerly or southwesterly 3 to 5, occasionally 2 at first in southeast.
Sea state
Moderate, occasionally slight in southeast.
Weather
Drizzle at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

In southwest

Wind
Southerly or southeasterly 4 to 6.
Sea state
Moderate occasionally rough.
Weather
Occasional rain or drizzle and fog patches.
Visibility
Moderate or poor, occasionally very poor.

In northwest

Wind
Variable 2 to 4, becoming southerly or southwesterly 3 to 5.
Sea state
Moderate, occasionally slight in northwest.
Weather
Rain or drizzle and fog banks.
Visibility
Poor or very poor, occasionally moderate.

East Central Section

Wind
Variable 3 or less in far northwest, otherwise easterly or northeasterly 2 to 4, occasionally 5 in east.
Sea state
Slight, occasionally moderate mainly in east.
Weather
Occasional drizzle or showers in far west and far south.
Visibility
Good, occasionally moderate in far west and far south.

West Central Section

Wind
Southeasterly 3 to 5, increasing 6 at times in northwest.
Sea state
Moderate, occasionally slight in far east and rough in far northwest.
Weather
Occasional drizzle, fog patches in north and west.
Visibility
Moderate or good, occasionally very poor in north and west.

Denmark Strait

In far northeast

Wind
Southwesterly 3 to 4, becoming variable 2 to 4.
Sea state
Slight.
Weather
Fair.
Visibility
Good.

In rest of area

Wind
Southwesterly 4 to 6, occasionally 3 at first.
Sea state
Moderate occasionally slight.
Weather
Fair at first in north and east, otherwise occasional rain or drizzle with fog patches, becoming fog banks in west.
Visibility
Good at first in north and east, otherwise moderate to very poor, occasionally good in east.

North Iceland

In north

Wind
Westerly or northwesterly 3 to 5, becoming variable 2 to 4 in west and then later in east, then becoming southeasterly 3 to 5 later in west.
Sea state
Slight or moderate.
Weather
Showers in far northeast, fog patches later in far southwest.
Visibility
Good, occasionally very poor later in far southwest.

In south

Wind
Westerly or northwesterly 3 to 5, becoming variable 2 to 4 in southeast and backing westerly or southwesterly 4 to 6 elsewhere.
Sea state
Slight or moderate.
Weather
Mainly fair then rain at times later, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
Northerly 6 to gale 8 in far southeast, otherwise northerly or northwesterly 3 to 5, occasionally 6 in southeast, becoming variable 2 to 4 later in northwest.
Sea state
Moderate, occasionally rough in far southeast.
Weather
Showers at first in west.
Visibility
Good.

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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