Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 310000UTC, low 63 north 38 west 995 losing its identity by 010000UTC. Low 54 north 49 west 998 losing its identity by same time. High 46 north 22 west 1029 expected 52 north 18 west 1039 by that time. New low expected 45 north 46 west 991 by 010000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4 at first in east, otherwise northerly or northeasterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
Variable 2 to 4, becoming north or northwest 4 to 6.
Sea state
Rough, becoming moderate or rough later.
Weather
Rain and fog patches in east.
Visibility
Moderate or good, occasionally very poor in east.

Rockall

Wind
Variable 2 to 4, becoming west or southwest 4 to 6.
Sea state
Rough, occasionally moderate later in south.
Weather
Showers.
Visibility
Good.

Bailey

Wind
West or southwest 4 to 6.
Sea state
Rough.
Weather
Showers.
Visibility
Good.

Faeroes

Wind
Variable 2 to 4 in east until later, otherwise westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

East Northern Section

Wind
Southerly or southwesterly 4 to 6, occasionally 7 at first in far southwest.
Sea state
Rough, occasionally very rough at first in northwest, becoming moderate or rough later.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor at first in east.

West Northern Section

In north

Wind
Cyclonic becoming southerly or southwesterly, 4 to 6, then becoming variable 2 to 4 later in far northwest.
Sea state
Rough or very rough, becoming moderate or rough.
Weather
Rain, drizzle and fog patches in far northwest throughout, otherwise rain later.
Visibility
Moderate or poor, occasionally very poor in far northwest throughout, otherwise, good, occasionally moderate later.

In south

Wind
Cyclonic becoming southerly later, 4 to 6, occasionally 7 at first in southeast and later in far southwest.
Sea state
Rough.
Weather
Rain, fog banks later.
Visibility
Moderate or good, becoming moderate or poor later, occasionally very poor later.

East Central Section

In northwestern half of the area

Wind
Variable 3 or less in southeast throughout, otherwise westerly or southwesterly 4 to 6.
Sea state
Rough, becoming, moderate or rough later.
Weather
Occasional rain in far northwest.
Visibility
Good, occasionally moderate in far northwest.

In southeastern half of the area

Wind
Variable 3 or less in northwest until later, otherwise northerly or northeasterly 4 to 6.
Sea state
Rough, becoming, moderate or rough later.
Weather
Occasional rain in far southeast.
Visibility
Good, occasionally moderate in far southeast.

West Central Section

Storm warning
Issued:

Winds are expected to reach storm force 10 in the far west of West Central Section south of 51 north from 010600UTC.

In east

Wind
Variable 2 to 4 until later in far southeast, otherwise southerly or southwesterly veering southerly or southeasterly later, 4 to 6, occasionally 7 at first in north and later in west.
Sea state
Rough, becoming moderate or rough.
Weather
Occasional rain later in north, fog patches developing for a time later in north.
Visibility
Moderate or good, occasionally very poor for a time later in north.

In west

Wind
Southerly or southwesterly 4 to 6, occasionally 7 at first in north, backing southerly or southeasterly 7 to severe gale 9 later, occasionally storm 10 later in far west.
Sea state
Rough, occasionally very rough at first, becoming very rough or high later in southwest.
Weather
Rain throughout in north but later in south, fog patches for a time in north.
Visibility
Moderate or good, occasionally very poor for a time in north, becoming moderate or poor later.

Denmark Strait

Wind
Southwesterly 4 to 6, but cyclonic 4 to 6 becoming variable 2 to 4 later in far west.
Sea state
Moderate or rough.
Weather
Occasional rain, but sleet or snow in north, fog patches in north.
Visibility
Moderate or good, occasionally very poor in north. Light icing at first in far east, with temperatures ms02 or ms03.

North Iceland

Wind
Westerly or southwesterly 5 to 7, occasionally 4 in far southeast, becoming variable 2 to 4 later in northwest.
Sea state
Moderate or rough, occasionally very rough in northeast until later.
Weather
Occasional rain, fog patches later in far west.
Visibility
Moderate or good, occasionally very poor later in far west. Light icing at first in west, with temperatures ms02 to ms05.

Norwegian Basin

In west

Wind
Variable 2 to 4.
Sea state
Rough, becoming moderate or rough.
Weather
Rain later.
Visibility
Moderate or good.

In east

Wind
Southwesterly 4 to 6, occasionally 7 at first in far east, veering northerly or northeasterly 3 to 5 later.
Sea state
Rough, occasionally very rough at first in east, becoming moderate or rough.
Weather
Rain.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Storm force winds expected in West Central Section. Severe gales expected in West Northern Section with gales expected in East Northern Section and 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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