Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 140000UTC, low 63 north 22 west 991 expected 69 north 04 west 998 by 150000UTC. Low 74 north 15 west 1003 losing its identity by same time. New low expected 63 north 16 west 1002 by that time. at 140000UTC, high 45 north 45 west 1029 expected 45 north 34 west by 150000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Southwesterly veering westerly or northwesterly later, 4 to 6.
Sea state
Moderate, becoming moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Shannon

Wind
Southerly or southwesterly veering westerly or northwesterly later, 4 to 6, occasionally 7 later in northwest.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches at first, thundery showers later.
Visibility
Moderate or good, occasionally very poor at first.

Rockall

Wind
Southerly or southwesterly veering westerly or northwesterly later, 4 to 6, occasionally 7 later in far southwest.
Sea state
Moderate or rough.
Weather
Occasional rain and fog patches at first, thundery showers later.
Visibility
Moderate or good, occasionally very poor at first.

Bailey

Wind
South or southwest 4 to 6, veering west 3 to 5 later.
Sea state
Moderate or rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Faeroes

Wind
South 4 to 6, veering west or southwest 3 to 5 later.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches for a time.
Visibility
Moderate or good, occasionally very poor for a time.

Southeast Iceland

Wind
Southerly or southwesterly veering northerly or northeasterly later, 4 to 6.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches for a time.
Visibility
Moderate or good, occasionally very poor for a time.

East Northern Section

In north

Wind
Cyclonic 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain, mainly fair later.
Visibility
Good, occasionally moderate at first.

In south

Wind
Southwesterly 3 to 5, veering westerly or northwesterly 5 to 7, occasionally gale 8 in south.
Sea state
Moderate or rough, becoming rough or very rough in south.
Weather
Occasional rain.
Visibility
Moderate or good.

West Northern Section

In north

Wind
Northerly or northwesterly 4 to 6, occasionally 3 at first, becoming cyclonic 3 to 5 later.
Sea state
Moderate or rough, becoming slight or moderate later.
Weather
Occasional rain at first, fog patches later in far northwest.
Visibility
Moderate or good, occasionally very poor later in far northwest.

In south

Wind
Westerly or northwesterly 5 to 7, backing southwesterly 3 to 5 later.
Sea state
Moderate or rough, occasionally very rough until later in far south.
Weather
Occasional rain, fog patches later in far west.
Visibility
Moderate or good, occasionally very poor later in far west.

East Central Section

In north

Wind
Westerly or southwesterly 4 to 6, veering westerly or northwesterly 5 to 7, occasionally gale 8 later in north.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor at first in east.

In south

Wind
Southwesterly 3 to 5 at first in east, otherwise northwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain, mainly fair later.
Visibility
Moderate or good.

West Central Section

In north

Wind
Northwesterly 5 to 7, backing westerly or southwesterly 4 to 6.
Sea state
Rough or very rough, becoming moderate or rough later.
Weather
Occasional rain mainly in north.
Visibility
Good, occasionally moderate in north.

In south

Wind
Northwesterly backing westerly or southwesterly later, 4 to 6, but becoming variable 2 to 4 in south.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Good.

Denmark Strait

Wind
Northerly or northeasterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate, occasionally rough at first in far south.
Weather
Fog patches in west, otherwise mainly fair.
Visibility
Moderate or good, occasionally very poor in west.

North Iceland

In north

Wind
Cyclonic becoming northerly later, 3 to 5, occasionally 6 later.
Sea state
Slight or moderate.
Weather
Occasional rain or sleet, mainly fair later.
Visibility
Moderate or good, occasionally poor until later.

In south

Wind
Cyclonic becoming northerly or northeasterly later, 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches in south until later.
Visibility
Moderate or good, occasionally very poor in south until later.

Norwegian Basin

Wind
Southerly or southwesterly 4 to 6, becoming variable 2 to 4 later.
Sea state
Moderate or rough.
Weather
Rain or showers, fog patches developing.
Visibility
Good, becoming moderate or poor, occasionally very poor.

Outlook for the following 24 hours

Severe gales expected in West Northern Section, with gales expected in East Northern Section, East Central Section, West Central 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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