Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 041200UTC, low 65 north 01 east 1003 expected 68 north 00 east 999 by 051200UTC. New low expected 57 north 39 west 999 by same time. Low 69 north 17 west 1005 losing its identity by that time. at 041200UTC, high 49 north 11 west 1032 expected 49 north 08 west 1029 by 051200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4.
Sea state
Moderate, occasionally slight later.
Weather
Mainly fair.
Visibility
Good, occasionally poor.

Shannon

Wind
West or southwest 3 to 5, occasionally 6 at first.
Sea state
Mainly moderate.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

Rockall

Wind
Westerly or southwesterly 4 to 6, occasionally 3 in north.
Sea state
Moderate, occasionally rough at first.
Weather
Rain, fog patches.
Visibility
Moderate to very poor.

Bailey

Wind
Northwest becoming cyclonic, 3 to 5.
Sea state
Moderate.
Weather
Showers then rain, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

Faeroes

Wind
West or northwest, becoming cyclonic, 3 to 5, occasionally 6 at first.
Sea state
Moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Southeast Iceland

Wind
Cyclonic 3 to 5.
Sea state
Moderate.
Weather
Fair.
Visibility
Good.

East Northern Section

In north

Wind
Westerly 4 or 5 at first in northeast, otherwise variable 2 to 4, becoming easterly or southeasterly 4 to 6, occasionally 7 later.
Sea state
Slight or moderate, occasionally rough later.
Weather
Mainly fair, then rain in south, fog patches later in far south.
Visibility
Good, becoming moderate or poor in south, occasionally very poor later in far south.

In south

Wind
Southerly or southwesterly 2 or 3 at first in northeast, otherwise cyclonic becoming southerly or southwesterly, 4 to 6.
Sea state
Moderate, becoming rough at times.
Weather
Mainly fair at first in far northeast, otherwise rain or drizzle at times with fog patches.
Visibility
Good at first in far northeast, otherwise moderate to very poor.

West Northern Section

In north

Wind
Variable 2 to 4, becoming easterly or northeasterly 4 to 6, increasing 7 at times later in southwest.
Sea state
Slight or moderate, occasionally rough later in southwest.
Weather
Mainly fair then rain at times, fog patches later in far southeast.
Visibility
Moderate or good, occasionally poor, but very poor later in far southeast.

In south

Wind
Cyclonic 3 to 5, increasing 6 at times in far southeast and far northwest.
Sea state
Moderate, becoming rough at times in far southeast and far northwest.
Weather
Rain at times, fog banks.
Visibility
Moderate to very poor, occasionally good.

East Central Section

In southeastern half of area

Wind
Variable 2 to 4.
Sea state
Moderate occasionally slight.
Weather
Occasional drizzle.
Visibility
Good, occasionally poor.

In northwestern half of area

Wind
Southwesterly 4 to 6.
Sea state
Moderate, occasionally rough in northwest.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

West Central Section

Wind
Variable 2 to 4 in far southeast, otherwise southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times with fog patches, then fog banks in northwest.
Visibility
Moderate to very poor in northwest, but in southeast, moderate or good, occasionally very poor.

Denmark Strait

Wind
Northerly or northwesterly 4 or 5 at first in far east, otherwise variable 2 to 4, becoming easterly or northeasterly 3 to 5 in south.
Sea state
Slight occasionally moderate.
Weather
Rain or freezing rain at first in far north and occasional rain in far southwest, fog patches near greenland.
Visibility
Moderate or good, occasionally very poor near greenland.

North Iceland

In north

Wind
Northerly or northeasterly, veering southerly in northwest, 3 to 5.
Sea state
Slight or moderate.
Weather
Occasional rain then drizzle, fog patches in east and fog banks in west.
Visibility
Moderate to very poor, occasionally good in east.

In south

Wind
Cyclonic becoming northerly or northwesterly 4 to 6, occasionally 7 later in far east, becoming variable 2 to 4 later in west.
Sea state
Slight or moderate occasionally rough.
Weather
Showers at first, then occasional rain in far east, fog patches later in north.
Visibility
Moderate or good, occasionally poor, but very poor later in north.

Norwegian Basin

Wind
Cyclonic becoming westerly or southwesterly, 4 to 6, increasing 7 at times mainly in north.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, squally at times.
Visibility
Good, occasionally poor.

Outlook for the following 24 hours

Risk of gales in East Northern Section and Norwegian Basin.

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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