Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 060001UTC low 55 north 22 west 994 expected 61 north 18w 981 by 070001UTC. Low 59 north 29 west 1001 expected to lose its identity by same time. Low 60 north 35 west 999 expected to lose its identity by that time. at 060001UTC slow moving high 64 north 45 west 1019 expected 1016 by 070001UTC. High 71 north 05 east 1014 expected to dissipate by same time. New low expected 74 north 10 west 994 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southerly or southwesterly 5 or 6, veering westerly or northwesterly 4 or 5 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good.

Shannon

Wind
Cyclonic 6 to gale 8.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

Rockall

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

Bailey

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

Faeroes

Wind
Southeast 5 or 6 becoming cyclonic 6 to gale 8.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

Southeast Iceland

Wind
Southeast 5 or 6 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
Sea state
Moderate or rough, occasionally very rough later.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

East Northern Section

In northeast

Wind
Easterly or northeasterly 5 to 7 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
Sea state
Moderate becoming rough or very rough, occasionally high later.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Cyclonic becoming southwesterly 6 to gale 8, occasionally severe gale 9 later.
Sea state
Moderate or rough becoming very rough or high.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

In southwest

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

In northwest

Wind
Northerly or northeasterly 5 to 7, increasing gale 8 for a time, becoming northwesterly later.
Sea state
Slight or moderate becoming rough or very rough.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In northeast

Wind
Northerly or northeasterly 4 or 5 backing northwesterly, increasing 6 later in east.
Sea state
Slight or moderate, occasionally rough later.
Weather
Rain or showers, perhaps thundery at times, until later.
Visibility
Moderate or good, occasionally poor.

In southeast

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, perhaps thundery at times, until later.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Cyclonic 6 to gale 8 becoming northwesterly 4 or 5, backing westerly or southwesterly 5 or 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers at first.
Visibility
Moderate or good, occasionally poor at first.

In northwest

Wind
Variable 3 or 4 becoming southwesterly 4 or 5, veering westerly or northwesterly 3 or 4 later.
Sea state
Slight or moderate.
Weather
Showers and fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

East Central Section

In northeast

Wind
Westerly or southwesterly 5 to 7, increasing gale 8 for a time, rough or very rough.
Sea state
Rain or showers, thundery at times.
Weather
Moderate or good, occasionally poor.
Visibility

In southeast

Wind
Westerly or northwesterly 5 or 6, backing southwesterly later.
Sea state
Rough or very rough, occasionally moderate later.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Westerly or southwesterly 5 or 6, becoming cyclonic later.
Sea state
Rough or very rough, occasionally moderate later.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Westerly or southwesterly 5 to 7, increasing gale 8 for a time, veering northwesterly later in west.
Sea state
Rough or very rough.
Weather
Rain or showers, thundery at times.
Visibility
Moderate or good, occasionally poor.

West Central Section

In northeast

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

In southeast

Wind
Westerly or southwesterly 5 or 6 becoming variable 3 or 4, becoming cyclonic 5 or 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers, perhaps thundery at first.
Visibility
Moderate or good, occasionally poor.

In southwest

Wind
Variable 3 or 4 becoming cyclonic 5 or 6, increasing 7 for a time.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Westerly or northwesterly 5 to 7, increasing gale 8 for a time, becoming variable 3 or 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

In north

Wind
Southerly or southwesterly 5 or 6 becoming cyclonic 4 or 5 then variable 3 or 4.
Sea state
Slight or moderate, occasionally smooth later.
Weather
Showers.
Visibility
Moderate or good.

In southeast

Wind
Variable 3 or 4 becoming northerly or northeasterly 4 or 5.
Sea state
Slight or moderate.
Weather
Fog patches at first, rain or showers later.
Visibility
Moderate or good, occasionally very poor at first, occasionally poor later.

In southwest

Wind
Southwesterly 4 or 5 becoming variable 3 or 4, becoming northerly or northeasterly later.
Sea state
Slight or moderate.
Weather
Fog patches at first.
Visibility
Moderate or good, occasionally very poor at first.

North Iceland

In northeast

Wind
Southerly or southwesterly 5 or 6 becoming cyclonic 4 or 5, becoming northerly later.
Sea state
Slight or moderate, becoming rough for a time.
Weather
Showers.
Visibility
Moderate or good.

In southeast

Wind
Variable 3 or 4 becoming cyclonic 6 to gale 8, occasionally severe gale 9 later.
Sea state
Slight or moderate becoming rough or very rough.
Weather
Fog patches at first, rain or showers perhaps thundery at times later.
Visibility
Moderate or good, occasionally very poor at first, occasionally poor later.

In southwest

Wind
Southerly becoming variable 3 or 4, becoming northerly or northeasterly 4 or 5 later.
Sea state
Slight or moderate.
Weather
Fog patches at first, rain or showers later.
Visibility
Moderate or good, occasionally very poor at first, occasionally poor later.

In northwest

Wind
Southerly or southwesterly becoming cyclonic 5 or 6, becoming variable 3 or 4 later.
Sea state
Slight or moderate, becoming rough for a time.
Weather
Showers at first.
Visibility
Moderate or good.

Norwegian Basin

In east

Wind
Westerly or southwesterly 4 or 5 backing southerly or southeasterly 5 to 7, increasing gale 8 for a time, veering southwesterly 5 or 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers, perhaps thundery for a time.
Visibility
Moderate or good, occasionally poor.

In west

Wind
Southerly or southwesterly 4 or 5 backing easterly or southeasterly 5 to 7, increasing gale 8 for a time, veering southerly or southwesterly 5 or 6 later.
Sea state
Moderate or rough.
Weather
Rain or showers, perhaps thundery at times.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Severe gales are expected in Rockall, Bailey, Faeroes, Southeast Iceland, East Northern Section and the southeast of north Iceland. Gales are expected in Shannon, East Central Section, West Central Section and Norwegian Basin. 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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