Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 300000UTC, low 62 north 42 west 968 expected 63 north 38 west 996 by 310000UTC. Lows 55 north 15 west 1007 and low 45 north 20 west 1007 losing their identity by same time. High 51 north 12 east 1032 expected 54 north 08 east 1034 by that time.

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
In west, southerly or southeasterly 4 to 6, becoming cyclonic later, 3 to 5. in east, southerly or southeasterly 3 to 5, occasionally 6 at first.
Sea state
In west, rough, occasionally very rough at first. in east, moderate or rough.
Weather
In west, rain. in east, mainly fair.
Visibility
In west, moderate or good. in east, moderate or good.

Shannon

Wind
Cyclonic 5 to 7, becoming variable 3 or 4.
Sea state
Rough or very rough, becoming rough later.
Weather
Rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Cyclonic 5 to 7, occasionally gale 8 at first, becoming variable 3 or 4.
Sea state
Rough or very rough, becoming rough later.
Weather
Rain.
Visibility
Good, occasionally poor.

Bailey

Wind
Cyclonic becoming northwest, 5 to 7. backing southwest 3 to 5 later.
Sea state
Very rough, becoming rough later.
Weather
Rain.
Visibility
Moderate or good.

Faeroes

Wind
Southerly becoming cyclonic 5 to 7, occasionally gale 8 for a time, becoming southwest 3 to 5 later.
Sea state
Rough or very rough, becoming rough later.
Weather
Rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 4 to 6, becoming southwest 5 or 6 later.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

East Northern Section

In northeast

Wind
Variable 2 to 4, becoming southerly or southwesterly, 5 or 6.
Sea state
Rough or very rough.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Northwesterly 3 to 5, backing southerly or southwesterly, 4 to 6.
Sea state
Rough or very rough.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor.

In west

Wind
Southerly or southwesterly, 5 or 6.
Sea state
Rough or very rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

In north

Wind
Cyclonic 5 to 7, occasionally gale 8 until later in west, decreasing 3 or 4 later in far northwest.
Sea state
Very rough or high becoming rough or very rough.
Weather
Rain or squally wintry showers.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Southerly or southwesterly 4 to 6, but 7 or gale 8 at first in northwest.
Sea state
Very rough or high, becoming rough or very rough.
Weather
Squally wintry showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

In northeast

Wind
Northwesterly backing southwesterly later, 3 to 5, becoming variable 2 to 4 for a time.
Sea state
Rough or very rough, becoming rough.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

In southeast

Wind
Cyclonic 6 to gale 8, becoming northwesterly 4 or 5, then veering northeasterly later.
Sea state
Rough, occasionally very rough at first.
Weather
Rain or showers, mainly fair later.
Visibility
Moderate or good, occasionally poor at first.

In southwest

Wind
Westerly backing southwesterly, 3 to 5, becoming variable 3 or less later.
Sea state
Rough, occasionally rough at first.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor.

In northwest

Wind
Southerly or southwesterly 4 or 5, occasionally 6 at first, veering westerly later.
Sea state
Rough or very rough, becoming rough later.
Weather
Squally showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic, mainly westerly or southwesterly, 4 to 6, occasionally 7 later.
Sea state
Rough or very rough.
Weather
Squally showers, rain later in west.
Visibility
Moderate or good, occasionally poor.

Denmark Strait

Wind
Cyclonic, 4 to 6, but northeasterly 7 at times in southwest.
Sea state
Rough, occasionally very rough until later in south and moderate in east.
Weather
Sleet and snow showers, squally at times, fog patches in north.
Visibility
Moderate or good, occasionally poor, but very poor in north.

North Iceland

In north

Wind
Cyclonic 5 or 6, becoming southerly or southwesterly 4 to 6, increasing 6 to gale 8 later.
Sea state
Moderate or rough.
Weather
Rain or sleet with fog patches until later.
Visibility
Moderate to very poor, becoming moderate or good later.

In southeast

Wind
Southerly or southeasterly becoming cyclonic for a time, 5 or 6, occasionally 7 in east.
Sea state
Moderate or rough, occasionally very rough for a time.
Weather
Rain or showers, fog patches for a time.
Visibility
Moderate or poor, occasionally very poor for a time, becoming moderate or good later.

In southwest

Wind
Cyclonic 3 to 5, becoming southerly or southwesterly 4 to 6.
Sea state
Moderate or rough, occasionally slight near Iceland.
Weather
Fog patches at first, wintry showers later.
Visibility
Moderate or good, occasionally very poor at first and poor later.

Norwegian Basin

Wind
Variable 2 or 3 at first in far northeast, otherwise southerly 4 or 5, veering southerly or southwesterly 5 to 7, occasionally gale 8 near norway, becoming variable 3 or 4 later in west.
Sea state
Fog patches at first, then occasional rain spreading east.
Weather
Visibility

Outlook for the following 24 hours

Severe gales expected in West Central Section, with gales expected in north Iceland and Norwegian street.

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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