Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 101200UTC, low 69 north 15 west 1004 expected 65 north 02 east 992 at 111200UTC. Low 46 north 21 west 978 expected 44 north 17 west 984 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Cyclonic 3 to 5, becoming east or northeast 5 to 7.
Sea state
Rough occasionally very rough.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

Shannon

Wind
East or northeast 5 to 7.
Sea state
Rough occasionally very rough.
Weather
Occasional rain, fog patches in south.
Visibility
Moderate or good, occasionally poor, but very poor in south.

Rockall

Wind
Northeast, backing north later, 4 to 6.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good.

Bailey

Wind
North or northeast 3 to 5, backing west or northwest 4 to 6, veering north 5 to 7 later.
Sea state
Moderate, becoming moderate or rough, then very rough later in far north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Variable 3 or 4, becoming cyclonic 5 or 6, then northwest 7 to severe gale 9 later.
Sea state
Moderate or rough, becoming rough or very rough, then very rough or high later in north.
Weather
Wintry showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Wind
Cyclonic 5 to 7, becoming northwesterly 7 to severe gale 9 in east.
Sea state
Moderate or rough, becoming rough or very rough, then high later in east.
Weather
Wintry showers.
Visibility
Good, occasionally poor.

East Northern Section

In northern half of area

Wind
Northeasterly 4 to 6, becoming cyclonic 3 to 5 later.
Sea state
Moderate or rough.
Weather
Fair.
Visibility
Good.

In southern half of area

Wind
Northeasterly 4 to 6, becoming variable 2 to 4 later in north.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Good.

West Northern Section

In northern half of area

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Showers, occasional rain in southwest.
Visibility
Good, occasionally moderate.

In southern half of area

Wind
Easterly 3 to 5, but variable 2 to 4 in north.
Sea state
Moderate or rough.
Weather
Showers.
Visibility
Good occasionally moderate.

East Central Section

Wind
Cyclonic, mainly northeasterly, 5 to 7, occasionally gale 8 in east.
Sea state
Rough or very rough.
Weather
Rain or showers, perhaps thundery in far southeast, becoming mainly fair later in north.
Visibility
Good, occasionally poor.

West Central Section

In eastern half of area

Wind
Northerly or northeasterly 4 to 6.
Sea state
Rough or very rough, becoming rough.
Weather
Showers.
Visibility
Good occasionally moderate.

In western half of area

Wind
Variable 2 to 4 until later in south, otherwise easterly 4 to 6.
Sea state
Moderate or rough.
Weather
Occasional rain or showers, fog patches at first in northwest.
Visibility
Moderate or good, occasionally very poor at first in northwest.

Denmark Strait

Wind
Cyclonic 4 to 6, but 6 to gale 8 at first in far east and at first in west.
Sea state
Moderate or rough, becoming moderate.
Weather
Mainly fair, but occasional snow later in east.
Visibility
Good occasionally poor, becoming moderate or good occasionally very poor later in east. Occasional light icing in north, with temperatures ms02 to ms04.

North Iceland

Storm warning
Issued:

At 101200UTC, low 69 north 15 west 1004 expected 65 north 02 east 992 at 111200UTC. Winds are expected to reach storm force 10 in the western quadrant within 50 miles of centre from 110000UTC, then between 50 and 150 miles of centre from 110600UTC until 111300UTC.

In area north of 71 north

Wind
Cyclonic, mainly northerly or northeasterly, 5 to 7.
Sea state
Slight or moderate, becoming moderate.
Weather
Occasional snow.
Visibility
Moderate or good occasionally very poor. Light icing in west, with temperatures ms02 to ms04.

In rest of area

Wind
Cyclonic 7 to severe gale 9, occasionally storm 10 until later in east, then decreasing 4 to 6 later in north.
Sea state
Rough or very rough, becoming very rough or high in south.
Weather
Occasional snow or wintry showers, perhaps thundery.
Visibility
Moderate or good occasionally very poor. Light or moderate icing in northwest with temperatures ms02 to ms05.

Norwegian Basin

Wind
Cyclonic 5 to 7, increasing 7 to severe gale 9 later in west.
Sea state
Moderate or rough, becoming rough or very rough in west, then high later in far west.
Weather
Occasional snow or wintry showers, perhaps thundery later.
Visibility
Moderate or good occasionally very poor.

Outlook for the following 24 hours

Severe gales are expected in Faeroes, Southeast Iceland, Denmark Strait, north Iceland and Norwegian Basin. Gales are expected in Sole, Shannon and East Central Section.

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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