Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 111200UTC, low 56 north 46 west 1001 expected 65 north 36 west with little change by 121200UTC. High 56 north 17 west 1031 expected 61 north 06 west 1035 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Northeast 4 to 6.
Sea state
Moderate, occasionally rough later in east.
Weather
Thundery showers later.
Visibility
Good, occasionally moderate later.

Shannon

Wind
Northeasterly 4 to 6.
Sea state
Moderate, occasionally slight later in east.
Weather
Fog patches later.
Visibility
Moderate or good, occasionally very poor later.

Rockall

Wind
In southeast, northeasterly 4 to 6. in northwest, variable 2 to 4, becoming northeasterly 3 to 5.
Sea state
In southeast, moderate, occasionally slight later in east. in northwest, slight or moderate.
Weather
In southeast, fog patches later. in northwest, drizzle later.
Visibility
In southeast, moderate or good, occasionally very poor later. in northwest, good, occasionally poor later.

Bailey

Wind
Southwesterly 3 to 5 in northwest otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Faeroes

Wind
Southwesterly 3 to 5 in northwest, otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

Southeast Iceland

Wind
Southwesterly 4 to 6, occasionally 7 in north.
Sea state
Moderate, occasionally rough at first in north.
Weather
Fog patches developing.
Visibility
Moderate or good, occasionally very poor.

East Northern Section

Wind
Variable 2 to 4 in far southeast, otherwise southerly or southwesterly 4 to 6, increasing 6 to gale 8 in northwest.
Sea state
Slight or moderate in southeast, otherwise moderate or rough, occasionally very rough later in far northwest.
Weather
Occasional rain or drizzle later in west, fog patches at first in north and then later in west.
Visibility
Moderate or good, occasionally very poor at first in north and then later in west.

West Northern Section

In east

Wind
Southerly 4 to 6, increasing 6 to gale 8 for a time, then veering southwesterly later in north.
Sea state
Moderate or rough occasionally very rough.
Weather
Mainly fair at first in south, otherwise rain or drizzle at times with fog patches.
Visibility
Moderate or good, occasionally very poor.

In southwest

Wind
Southerly or southeasterly 6 or 7, veering southwesterly 4 to 6, becoming variable 2 to 4 later in southwest.
Sea state
Rough, occasionally moderate later.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor, occasionally good later.

In northwest

Wind
Cyclonic 4 to 6, occasionally 3 in northwest and 7 in southeast, becoming southerly 3 to 5 later.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog patches.
Visibility
Moderate to very poor, occasionally good later.

East Central Section

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

West Central Section

In east

Wind
Southerly or southeasterly 4 to 6, becoming variable 2 to 4 in southeast.
Sea state
Moderate, occasionally rough in west.
Weather
Fair then occasional drizzle, fog patches developing in north.
Visibility
Good, becoming moderate or good, occasionally poor in south and very poor in north.

In west

Wind
Southerly or southeasterly 4 to 6, occasionally 7 at first in far north, becoming cyclonic 3 to 5 in west.
Sea state
Moderate or rough.
Weather
Rain or drizzle and fog banks.
Visibility
Moderate to very poor.

Denmark Strait

In east

Wind
Variable 2 to 4 in far north, but elsewhere southerly or southwesterly 5 to 7, occasionally gale 8 at first in northeast and then later near west iceland coast.
Sea state
Moderate or rough, occasionally very rough at first in northeast and later near west iceland.
Weather
Occasional rain or drizzle, fog patches, but fog banks later in northwest.
Visibility
Moderate or good, occasionally very poor, becoming poor or very poor later in northwest.

In west

Wind
Southwesterly becoming cyclonic, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle with fog banks.
Visibility
Moderate or poor, occasionally very poor.

North Iceland

In far northwest

Wind
Cyclonic 3 to 5.
Sea state
Moderate or rough.
Weather
Occasional drizzle with fog patches, becoming mainly fair later.
Visibility
Moderate or good, occasionally very poor until later.

In rest of area

Wind
Southerly or southwesterly 5 to 7, occasionally gale 8 at first in west, decreasing 4 at times in south and also later in north.
Sea state
Moderate or rough, occasionally very rough except in far north and far south.
Weather
Occasional rain or drizzle with fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

In southeastern half of area

Wind
Northerly 4 to 6 in south, otherwise variable 2 to 4.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

In northwestern half of area

Wind
Westerly or southwesterly 3 to 5, occasionally 6 in northwest.
Sea state
Moderate, occasionally slight in south.
Weather
Fair then occasional drizzle, fog patches later.
Visibility
Good, becoming moderate or good, occasionally poor then very poor later.

Outlook for the following 24 hours

Risk of gales in Denmark Strait.

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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