Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 211200UTC, low 64 north 35 west 981 expected 67 north 28 west 989 by 221200UTC. High 43 north 44 west 1030 expected 47 north 25 west 1032 by same time. New low expected 62 north 40 west 998 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4.
Sea state
Moderate becoming moderate or rough later.
Weather
Drizzle, fog patches.
Visibility
Moderate or good occasionally very poor.

Shannon

Wind
South 4 to 6, becoming variable 2 to 4.
Sea state
Moderate or rough becoming rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Southwesterly 4 to 6, occasionally 7 at first, decreasing 2 or 3 later in south.
Sea state
Moderate or rough, becoming rough or very rough.
Weather
Squally rain then showers.
Visibility
Good, occasionally poor.

Bailey

Wind
Southwest 4 to 6, increasing 7 or gale 8 for a time.
Sea state
Rough becoming very rough or high.
Weather
Squally rain then showers.
Visibility
Good, occasionally poor.

Faeroes

Wind
Southwest 5 to 7.
Sea state
Moderate or rough becoming rough or very rough.
Weather
Drizzle and fog patches, then squally rain, showers later.
Visibility
Moderate or good, occasionally very poor at first.

Southeast Iceland

Wind
Southwesterly 5 or 6, increasing 6 to gale 8.
Sea state
Rough becoming very rough or high.
Weather
Rain and fog patches, then squally showers.
Visibility
Moderate or good, occasionally very poor at first.

East Northern Section

In northern half of the area

Wind
Southwesterly 6 to gale 8, veering westerly 7 to severe gale 9, then backing southwesterly 5 or 6 later.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Squally showers.
Visibility
Good, occasionally poor.

In southern half of area

Wind
Southwesterly veering westerly 6 to gale 8, occasionally severe gale 9 at first in west, backing southwesterly 4 to 6 later.
Sea state
Very rough or high, but moderate at first in east, becoming rough or very rough later.
Weather
Showers.
Visibility
Good, occasionally moderate.

West Northern Section

In northern half of area

Wind
Cyclonic 7 to severe gale 9, becoming westerly or southwesterly 4 to 6, increasing 7 or gale 8 later in southeast.
Sea state
Rough or very rough, occasionally high at first in west and later in east.
Weather
Showers.
Visibility
Good, occasionally poor.

In southern half of area

Wind
Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 at first in north and later in far northwest.
Sea state
Very rough or high, becoming rough or very rough later.
Weather
Showers.
Visibility
Good, occasionally poor.

East Central Section

In southeastern half of the area

Wind
Southwesterly 3 to 5, becoming variable 2 to 4, then northerly or northeasterly 3 to 5 later.
Sea state
Moderate or rough, becoming rough.
Weather
Rain for a time, good, occasionally moderate.
Visibility

In northwestern half of the area

Wind
Westerly 4 to 6, becoming variable 2 to 4 later in south.
Sea state
Rough or very rough, occasionally high at first in far northwest.
Weather
Showers.
Visibility
Good, occasionally moderate.

West Central Section

In northern half of area

Wind
Westerly backing southwesterly, then southerly or southeasterly later, 4 to 6.
Sea state
Very rough, occasionally high at first in far northeast, becoming rough later.
Weather
Showers, rain later in west.
Visibility
Good, occasionally poor later in west.

In southern half of area

Wind
Variable 2 to 4, becoming southerly or southwesterly 6 to gale 8 later in west and southerly or southeasterly 3 ot 5 later in east.
Sea state
Rough or very rough.
Weather
Showers, rain later in west.
Visibility
Good, occasionally poor later in west.

Denmark Strait

Storm warning
Issued:

Northeasterly winds are expected to reach storm force 10 until 212300UTC in Denmark Strait, between 67 north and 68 north, within 100 miles of the Greenland coast.

Wind
Variable 3 or less at first in far north and later in far southwest, otherwise cyclonic, mainly northeasterly, 7 to severe gale 9, occasionally storm 10 at first near greenland coast.
Sea state
Slight or moderate at first in far north, otherwise rough or very rough, occasionally high at first near greenland coast.
Weather
Rain or showers, occasional sleet or snow near greenland coast, fog patches later in northwest.
Visibility
Moderate or good, occasionally poor, but very poor near greenland coast and later in northwest.

North Iceland

In northern half of area

Wind
Cyclonic, mainly easterly or northeasterly 4 to 6, increasing 6 to gale 8 in west.
Sea state
Slight or moderate, becoming rough or very rough, but moderate in northeast.
Weather
Rain and fog patches, snow in far north.
Visibility
Moderate or good, occasionally very poor. Light icing later in far northwest.

In southern half of area

Wind
Cyclonic, mainly southerly, 5 to 7, occasionally gale 8 at first, becoming variable 2 to 4 at for a time in west.
Sea state
Moderate or rough, becoming rough or very rough later, occasionally high later in south.
Weather
Occasional rain or showers, fog patches at first in east.
Visibility
Moderate or good, occasionally poor but very poor at first in east.

Norwegian Basin

Wind
Southerly or southwesterly 5 to 7, occasionally gale 8 near norwegian coast.
Sea state
Moderate or rough, becoming very rough in northwest later.
Weather
Occasional rain, fog patches in west at first.
Visibility
Moderate or good, occasionally poor and very poor at first in west.

Outlook for the following 24 hours

Violent storms are expected West Northern Section and West Central Section. Storms are expected in East Northern Section and East Central Section. Severe gales are expected in north Iceland. Gales are expected in Southeast Iceland 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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