Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 280000UTC, low 57 north 19 west 988 expected 63 north 11 west 991 by 290000UTC. Low 46 north 45 west 1009 expected 50 north 30 west 1002 by same time. New low expected 66 north 16 west 991 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Westerly backing southwesterly later, 3 to 5, occasionally 6 at first in west.
Sea state
Moderate becoming rough, occasionally very rough at first in west.
Weather
Fair.
Visibility
Good.

Shannon

Wind
Westerly or southwesterly 5 or 6, occasionally 7 at first in northwest, backing southerly 4 or 5 later.
Sea state
Very rough, becoming rough later.
Weather
Showers.
Visibility
Good.

Rockall

Wind
South veering southwest 5 to 7, occasionally gale 8 until later.
Sea state
Very rough or high, becoming rough or very rough later.
Weather
Rain then showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
Southerly becoming cyclonic, mainly southwesterly, 5 to 7, occasionally gale 8 at first in southeast.
Sea state
Moderate or rough becoming rough or very rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
South 4 to 6, veering southwest 5 to 7.
Sea state
Moderate, becoming rough or very rough.
Weather
Occasional rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 4 to 6, but northeasterly 7 or gale 8 at first in northwest.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate, occasionally very poor.

East Northern Section

In north of area

Wind
Cyclonic, becoming westerly or southwesterly, 4 to 6, occasionally 7 at first in far northeast.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Good, ocu moderate.

In south of area

Wind
Cyclonic 6 to gale 8, becoming westerly 6 or 7, then backing southwesterly 4 to 6 later.
Sea state
High at first in far southeast, otherwise rough or very rough, becoming moderate later in west.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

West Northern Section

In north

Wind
Cyclonic 4 to 6, but 7 or gale 8 at first in far northwest.
Sea state
Moderate or rough.
Weather
Rain at times.
Visibility
Good, occasionally moderate.

In south

Wind
Westerly 4 to 6.
Sea state
Rough until later in east, otherwise moderate.
Weather
Showers, fog patches at first in far southwest.
Visibility
Moderate or good, occasionally very poor at first in far southwest.

East Central Section

In north of area

Wind
Westerly 6 to gale 8, backing southwesterly 5 or 6, then becoming cyclonic 5 to 7 later.
Sea state
High at first in far northeast, otherwise very rough becoming rough, occasionally moderate later in west.
Weather
Rain at times, becoming fair for a time.
Visibility
Moderate or good, occasionally poor later.

In south of area

Wind
Westerly backing southwesterly, 4 to 6, increasing 7 or gale 8 later in west.
Sea state
Rough or very rough.
Weather
Rain at times later.
Visibility
Good, occasionally moderate later.

West Central Section

In south of area

Wind
Cyclonic becoming westerly later, 5 to 7, increasing gale 8 for a time later in east, then becoming variable 2 to 4 later in southwest.
Sea state
Moderate or rough, occasionally very rough later in southeast.
Weather
Rain at times, fog patches at first in far northwest.
Visibility
Moderate or good, occasionally very poor at first in far northwest.

Denmark Strait

Wind
Northeasterly 6 to gale 8, but variable 3 or 4 in far north and later near iceland.
Sea state
Moderate or rough, occasionally very rough at first in far southwest and later in central areas.
Weather
Rain, fog patches.
Visibility
Moderate or poor, occasionally very poor.

North Iceland

In north

Wind
Variable 2 to 4, becoming easterly or northeasterly 4 or 5, increasing 6 at times in south.
Sea state
Slight or moderate, becoming rough later in far south.
Weather
Occasional drizzle and fog patches, but fog banks in far west.
Visibility
Moderate or good, occasionally very poor.

In south

Wind
Easterly or northeasterly 5 to 7, occasionally gale 8 at first, then becoming cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

Wind
South or southwest 4 to 6.
Sea state
Moderate, occasionally slight in east, becoming rough or very rough later in west.
Weather
Rain or showers, thundery at first, fog patches.
Visibility
Moderate or good, occasionally very poor.

Outlook for the following 24 hours

Severe gales expected in East Central Section, West Central Section and Denmark Strait. Gales expected in West Northern 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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