Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 050000UTC, high 47 north 51 west 1031 expected 48 north 36 west 1034 by 060000UTC. Low 63 north 18 west 984 and low 62 north 35 west 994 both moving eastwards and losing their identity by same time. New low expected 65 north 33 west 1002 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.
Weather
Drizzle.
Visibility
Good, occasionally poor.

Shannon

Wind
Southwest becoming cyclonic, 3 to 5, occasionally 6 later.
Sea state
Moderate or rough.
Weather
Rain.
Visibility
Good, occasionally poor.

Rockall

Wind
In north, westerly 6 to gale 8, decreasing 4 or 5. in south, southwesterly 4 to 6, veering westerly or northwesterly, 3 to 5.
Sea state
In north, rough or very rough, becoming rough. in south, rough, occasionally very rough at first in north.
Weather
In north, showers. in south, rain then showers.
Visibility
In north, moderate or good. in south, good, occasionally poor.

Bailey

Wind
Westerly or southwesterly 6 to gale 8, occasionally severe gale 9 at first, decreasing 4 to 6 later.
Sea state
Very rough or high, becoming rough or very rough.
Weather
Showers.
Visibility
Good, occasionally poor at first.

Faeroes

Storm warning
Issued:

At 050000UTC, low 63 north 18 west 984 moving eastwards and losing its identity by 060000UTC. Winds are expected to occasionally reach storm force 10 in Faeroes until 051200UTC. Southwesterly winds are then expected to increase to storm force 10 at times within 100 miles of the Norway coast, north of 63 north in Norwegian Basin, between 051400UTC and 051900UTC.

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

Southeast Iceland

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 at first in south , decreasing 4 to 6 later, then 3 or 4 later.
Sea state
Rough or very rough, occasionally high at first in south.
Weather
Rain or showers.
Visibility
Good, occasionally poor.

East Northern Section

In area north of 62 north

Wind
Cyclonic 3 to 5, becoming variable 2 to 4 at times.
Sea state
Moderate or rough, occasionally very rough until later in southwest.
Weather
Rain then squally showers.
Visibility
Good, occasionally poor.

In rest of the area

Wind
Westerly or southwesterly 5 to 7, occasionally gale 8 at first and perhaps later in west.
Sea state
Rough or very rough, occasionally high at first in east.
Weather
Squally showers.
Visibility
Moderate or good.

West Northern Section

In area north of 61 north

Wind
Variable 2 to 4, becoming cyclonic 3 to 5, then mainly westerly later.
Sea state
Moderate or rough.
Weather
Occasional rain or showers.
Visibility
Good, occasionally poor.

In rest of the area

Wind
Westerly or southwesterly, 6 to gale 8, occasionally 5 in south.
Sea state
Rough or very rough.
Weather
Showers.
Visibility
Moderate or good.

East Central Section

Wind
Variable 2 to 4 in far southeast, otherwise cyclonic, becoming mainly northerly or northwesterly later, 4 to 6, occasionally 7 later in east.
Sea state
Rough in north, otherwise moderate, occasionally rough later in southeast.
Weather
Rain or showers, perhaps thundery, but mainly fair in northwest.
Visibility
Good, occasionally poor.

West Central Section

In north of area

Wind
Westerly or northwesterly, backing southwesterly later in west, 4 to 6, occasionally 7 at first in north and 3 later in south.
Sea state
Rough, becoming moderate or rough.
Weather
Mainly fair.
Visibility
Good.

In south of area

Wind
Cyclonic becoming mainly northeasterly, veering easterly or southeasterly later, 4 to 6, but variable 2 to 4 at times in north.
Sea state
Moderate.
Weather
Rain or drizzle at first in southeast, otherwise mainly fair.
Visibility
Moderate or good, occasionally poor until later in southeast.

Denmark Strait

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

North Iceland

Wind
Cyclonic at first in southeast, otherwise northerly or northwesterly 5 to 7, occasionally gale 8 in east and southeast, decreasing 3 or 4 later in west.
Sea state
Moderate or rough, occasionally very rough in southeast.
Weather
Rain or drizzle, but sleet or snow at times in north.
Visibility
Moderate or good, occasionally poor. Occasional light icing in far northwest with temperatures around ms02 or ms03.

Norwegian Basin

Storm warning
Issued:

At 050000UTC, low 63 north 18 west 984 moving eastwards and losing its identity by 060000UTC. Winds are expected to occasionally reach storm force 10 in Faeroes until 051200UTC. Southwesterly winds are then expected to increase to storm force 10 at times within 100 miles of the Norway coast, north of 63 north in Norwegian Basin, between 051400UTC and 051900UTC.

Wind
Westerly or southwesterly 6 to gale 8, increasing gale 8 or severe gale 9 except in northwest, but severe gale 9 or storm 10 for a time near the Norwegian coast, north of 62 north, veering westerly or northwesterly 4 to 6 later in west.
Sea state
Rough or very rough, becoming very rough or high.
Weather
Occasional rain or squally showers.
Visibility
Moderate or poor, occasionally good.

Outlook for the following 24 hours

Severe gales are expected in West Central Section, with gales in East Northern Section, West Northern Section, Denmark Strait and Norwegian Basin, and there is a risk of gales in Sole 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.

Take our short survey