Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Low 68 north 07 west 977 expected 70 north 07 east 974 by same time. Low 61 north 40 west 991 losing its identity by that time. at 041200UTC, high 46 north 17 west 1032 expected 44 north 23 west 1028 by 051200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 to 4.
Sea state
Moderate.
Weather
Drizzle.
Visibility
Good, occasionally poor.

Shannon

Wind
Southwest 4 to 6, becoming cyclonic 4 later.
Sea state
Moderate, occasionally rough in north.
Weather
Rain, fog patches.
Visibility
Moderate to very poor.

Rockall

Wind
In north, southwesterly 6 to gale 8, veering westerly 6 later. in south, southwesterly 5 to 7, veering westerly or northwesterly 4 to 6 later.
Sea state
In north, rough or very rough. in south, rough, becoming very rough at times in north.
Weather
In north, rain then showers. in south, rain, showers later.
Visibility
In north, good, occasionally poor. in south, moderate or poor, occasionally good.

Bailey

Storm warning
Issued:

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southern quadrant, becoming from 050000UTC within 100 and 200 miles of the centre in the southern quadrant, until 051100UTC. Southwesterly winds are then expected to increase to storm force 10 near the Norway coast north of 63 north in Norwegian Basin from 051400UTC.

Wind
In southeast, southwesterly 6 to gale 8, occasionally severe gale 9 in north. in northwest, southwesterly 4 to 6, becoming cyclonic gale 8 to storm 10, then westerly 6 to gale 8 later.
Sea state
In southeast, very rough, becoming very rough or high for a time. in northwest, rough or very rough, becoming high for a time.
Weather
Rain then showers.
Visibility
In southeast, moderate or poor, occasionally good. in northwest, moderate or poor.

Faeroes

Storm warning
Issued:

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southern quadrant, becoming from 050000UTC within 100 and 200 miles of the centre in the southern quadrant, until 051100UTC. Southwesterly winds are then expected to increase to storm force 10 near the Norway coast north of 63 north in Norwegian Basin from 051400UTC.

Wind
Southwest 5 to 7, increasing 7 to severe gale 9, occasionally storm 10 later, veering west 6 to gale 8 later.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

Southeast Iceland

Storm warning
Issued:

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southern quadrant, becoming from 050000UTC within 100 and 200 miles of the centre in the southern quadrant, until 051100UTC. Southwesterly winds are then expected to increase to storm force 10 near the Norway coast north of 63 north in Norwegian Basin from 051400UTC.

Wind
Southwesterly becoming cyclonic, 6 to gale 8, decreasing 4 to 6 for a time at first, increasing gale 8 to storm 10 for a time later in south.
Sea state
Rough or very rough, occasionally high in east and south.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

East Northern Section

Storm warning
Issued:

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southern quadrant, becoming from 050000UTC within 100 and 200 miles of the centre in the southern quadrant, until 051100UTC. Southwesterly winds are then expected to increase to storm force 10 near the Norway coast north of 63 north in Norwegian Basin from 051400UTC.

In area north of 61 north

Wind
Cyclonic 4 to 6, becoming variable 2 to 4 in northwest and westerly 6 to gale 8 for a time in south.
Sea state
Rough, occasionally moderate in north and very rough in far south.
Weather
Rain at times then showers.
Visibility
Good, occasionally poor.

In area south of 61 north

Wind
Cyclonic at first in far north, otherwise westerly or southwesterly, 6 to gale 8, but gale 8 to storm 10 at first in north.
Sea state
Rough or very rough, occasionally high at first in north.
Weather
Rain at first in north and east, otherwise squally showers.
Visibility
Moderate or good, occasionally poor at first.

West Northern Section

In area north of 61 north

Wind
Variable 2 to 4, becoming westerly 3 to 5 for a time in far south.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

In area south of 61 north

Wind
Westerly or southwesterly 6 to gale 8.
Sea state
Rough or very rough.
Weather
Squally showers.
Visibility
Moderate or good.

East Central Section

Wind
Variable 2 to 4 in far southeast, otherwise westerly or southwesterly becoming cyclonic, then northerly or northwesterly later, 4 to 6.
Sea state
Rough in north, moderate in south.
Weather
Rain or drizzle, becoming mainly fair in northwest, then showers later in far north.
Visibility
Moderate or good, occasionally poor, becoming mainly good in northwest.

West Central Section

In north

Wind
Westerly or northwesterly 4 to 6, decreasing 3 at times in southeast.
Sea state
Rough.
Weather
Showers in north.
Visibility
Good.

In south

Wind
Cyclonic 4 to 6, decreasing 3 at times at first in southeast, becoming easterly or northeasterly later, but becoming variable 2 to 4 later in northwest.
Sea state
Moderate.
Weather
Rain or drizzle with fog patches until later in south and east, otherwise mainly fair.
Visibility
Moderate to very poor until later in south and east, otherwise good.

Denmark Strait

Wind
Northerly or northeasterly 4 to 6 until later in southeast and far east, otherwise variable 2 to 4, becoming cyclonic 3 to 5 later in south.
Sea state
Moderate, occasionally rough in east.
Weather
Fair at first in east, otherwise occasional rain, sleet and snow, fog patches in south.
Visibility
Good at first in east, otherwise moderate or good, occasionally poor in north and very poor in south.

North Iceland

In southeastern half of area

Wind
Cyclonic 6 to gale 8, becoming northerly or northwesterly 5 to 7 later.
Sea state
Rough, occasionally very rough in east.
Weather
Occasional rain or drizzle, wintry showers later in north and west, fog patches at first in east.
Visibility
Moderate or good, occasionally poor, but very poor at first in east.

In northwestern half of area

Wind
Northerly 5 to 7, occasionally 4 later in far west.
Sea state
Moderate or rough.
Weather
Wintry showers.
Visibility
Good, occasionally poor. Occasional light icing in far north with temperatures around ms02.

Norwegian Basin

Storm warning
Issued:

At 041200UTC, low 58 north 31 west 990 expected 66 north 04 east 977 by 051200UTC. Winds are expected to reach storm force 10 between 50 and 150 miles of the centre in the southern quadrant, becoming from 050000UTC within 100 and 200 miles of the centre in the southern quadrant, until 051100UTC. Southwesterly winds are then expected to increase to storm force 10 near the Norway coast north of 63 north in Norwegian Basin from 051400UTC.

Wind
Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 later, but increasing gale 8 to storm 10 later near norway coast north of 63 north.
Sea state
Very rough occasionally high.
Weather
Occasional rain or squally showers.
Visibility
Moderate or good, occasionally poor.

Outlook for the following 24 hours

Severe gales expected in West Northern Section and Norwegian Basin with gales in Bailey, Faeroes, Southeast Iceland, East Northern Section and West 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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