Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 040001UTC low 54 north 41 west 1001 expected 62 north 22 west 984 by 050001UTC. High 63 north 45 west 1005 expected to dissipate by same time. Low 66 north 21 west 979 expected 70 north 00 east 977 by that time. at 040001UTC low 79 north 01 east 992 expected to lose its identity by 050001UTC. New low expected 62 north 34 west 995 by same time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 3 or 4.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good.

Shannon

Wind
Southwest 4 or 5, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Rockall

Wind
Westerly or southwesterly 5 to 7, perhaps gale 8 later in north.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Bailey

Wind
Southwesterly, becoming cyclonic later, 6 to gale 8, perhaps severe gale 9 later.
Sea state
Rough or very rough, occasionally high at first and again later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
Southwesterly, becoming cyclonic later, 6 to gale 8, perhaps severe gale 9 later.
Sea state
Rough or very rough, occasionally high at first and again later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Southwesterly, becoming cyclonic later, 6 to gale 8, perhaps severe gale 9 later.
Sea state
Very rough or high, becoming rough for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

East Northern Section

In northeast

Wind
Westerly or southwesterly 6 to gale 8 becoming cyclonic 7 to severe gale 9 then westerly or northwesterly 6 to gale 8.
Sea state
Rough or very rough, occasionally high at first and again later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Southwesterly 5 or 6 becoming cyclonic 7 to severe gale 9 then westerly 6 to gale 8.
Sea state
Rough or very rough, occasionally high later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Southwesterly 5 or 6 becoming cyclonic 7 to severe gale 9 then westerly or southwesterly 5 to 7.
Sea state
Rough or very rough, becoming high for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Westerly or northwesterly 5 to 7 becoming cyclonic 7 to severe gale 9, decreasing 5 or 6 later.
Sea state
Rough or very rough, occasionally moderate later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In northeast

Wind
Variable 3 or 4 becoming cyclonic 4 or 5.
Sea state
Moderate or rough, occasionally very rough at first and again later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Cyclonic 5 or 6 increasing 7 to severe gale 9, becoming westerly or southwesterly 6 to gale 8 later.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Cyclonic 5 to 7 becoming westerly or southwesterly 6 to gale 8.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Cyclonic 5 or 6, increasing 7 for a time, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

In northeast

Wind
Southwesterly 5 or 6, increasing 7 for a time, veering westerly later.
Sea state
Moderate or rough, becoming very rough for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Southwesterly 4 or 5, increasing 6 for a time, becoming variable 3 or 4 later.
Sea state
Moderate, occasionally slight later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Southwesterly 4 or 5, increasing 6 for a time, becoming cyclonic later.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Cyclonic 5 to 7, increasing gale 8 for a time, becoming westerly or northwesterly 5 or 6 later.
Sea state
Moderate or rough, becoming very rough for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

In northeast

Wind
Cyclonic 5 to 7 becoming westerly or northwesterly 5 or 6.
Sea state
Moderate or rough, becoming very rough for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Southwesterly 4 or 5, increasing 6 for a time, becoming cyclonic later.
Sea state
Moderate, occasionally slight later.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Southwesterly becoming cyclonic 5 or 6, becoming northerly or northeasterly later.
Sea state
Moderate.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Westerly or northwesterly 5 to 7.
Sea state
Moderate or rough, becoming very rough for a time.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

In north

Wind
Northerly 5 to 7, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Wintry showers.
Visibility
Good, occasionally poor. Light icing, with temperatures ms02 or ms03.

In southeast

Wind
Northerly 5 to 7, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers, occasionally wintry later.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Variable 3 or 4, becoming cyclonic later.
Sea state
Moderate.
Weather
Rain or showers, occasionally wintry later.
Visibility
Moderate or good, occasionally poor.

North Iceland

In northeast

Wind
Cyclonic 5 to 7.
Sea state
Moderate becoming rough or very rough.
Weather
Wintry showers.
Visibility
Good, occasionally poor.

In southeast

Wind
Cyclonic 5 to 7, increasing gale 8 for a time.
Sea state
Rough or very rough.
Weather
Rain or showers, occasionally wintry later.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Northerly 5 to 7, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers, occasionally wintry later.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Northerly 5 or 6, occasionally 4 later.
Sea state
Moderate or rough.
Weather
Wintry showers.
Visibility
Good, occasionally poor. Light icing, with temperatures ms02 or ms03.

Norwegian Basin

Wind
Southerly or southwesterly 6 to gale 8, decreasing 5 for a time, becoming cyclonic 6 to gale 8 later.
Sea state
Rough or very rough, occasionally high later in southwest.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

No storms are expected. Severe gales are expected in Bailey, Faeroes, Southeast Iceland and Norwegian Basin. Gales are expected in Rockall, east north section, West Northern Section and north Iceland. Widespread fog is not 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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