Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 061200UTC, low 43 north 36 west 992 expected 39 north 33 west 994 by 071200UTC. Low 77 north 03 west 981 expected 76 north 20 east 976 by same time. New low expected 66 north 35 west 1001 by that time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
In west, variable 2 to 4 becoming southeasterly 3 to 5. in east, variable 3 or less, increasing 4 at times.
Sea state
In west, slight or moderate. in east, slight.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Easterly or southeasterly 2 or 3, increasing 4 or 5 later in southwest.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good, occasionally moderate.

Rockall

Wind
Easterly or southeasterly becoming variable, 3 or less.
Sea state
Slight or moderate, becoming slight.
Weather
Showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
In southeast, easterly or southeasterly becoming variable, 3 or less. in northwest, southwesterly 3 to 5.
Sea state
In southeast, slight or moderate, becoming slight. in northwest, moderate, becoming slight in south.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Southwesterly 4 in far north, but elsewhere, variable 3 or less, increasing 4 at times.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Southwesterly 4 to 6.
Sea state
Moderate, occasionally rough later in north.
Weather
Rain or showers.
Visibility
Good, occasionally moderate.

East Northern Section

In northern half of the area

Wind
Southerly or southwesterly 4 to 6.
Sea state
Moderate, becoming rough in north and west.
Weather
Rain in north and west.
Visibility
Moderate or good, occasionally poor in north and west.

In southern half of the area

Wind
Southerly or southeasterly 3 or 4, occasionally 5 in northwest and 2 in southeast.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

West Northern Section

In area to the south of 60 north

Wind
Southerly or southwesterly 4 or 5, occasionally 6 in north and west.
Sea state
Rough in southeast, moderate or rough in northwest.
Weather
Rain, fog banks in south.
Visibility
Moderate or good, occasionally very poor in south and poor in north.

In far northwest

Wind
Cyclonic 3 to 5, becoming northwesterly 6 to gale 8 later, occasionally severe gale 9 later.
Sea state
Moderate or rough.
Weather
Sleet and snow at first.
Visibility
Poor or very poor, becoming good. Risk of light icing later in very far northwest.

In the rest of the area

Wind
Southerly or southwesterly, becoming cyclonic later in north and west, 4 to 6.
Sea state
Moderate until later in southeast, otherwise rough.
Weather
Rain, with sleet for a time in northwest.
Visibility
Moderate or poor, occasionally good.

East Central Section

In northern half of the area

Wind
Easterly or southeasterly 3 to 5, occasionally 6 later in south.
Sea state
Moderate or rough, becoming slight for a time in far northeast.
Weather
Showers, but rain at times in south.
Visibility
Good, occasionally poor in south.

In southern half of the area

Wind
Cyclonic mainly southeasterly 4 to 6, occasionally 3 at first.
Sea state
Moderate or rough.
Weather
Rain or showers, perhaps thundery.
Visibility
Moderate or good, occasionally poor.

West Central Section

In southern half of the area

Wind
Northerly or northeasterly 6 to gale 8 at first in southwest, otherwise cyclonic 3 to 5, but increasing 6 later in far southeast.
Sea state
Rough or very rough becoming moderate or rough.
Weather
Rain or showers, perhaps thundery in far southeast.
Visibility
Moderate or good, occasionally poor.

In northern half of the area

Wind
Easterly 5 at first in far southeast and becoming southerly or southwesterly 5 for a time in far northwest, otherwise variable 2 to 4.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, fog banks.
Visibility
Moderate to very poor, occasionally good.

Denmark Strait

In area to the south of 70 north

Wind
Southwesterly 4 to 6, becoming cyclonic 3 to 5 within 100 miles of greenland, but then becoming northwesterly 6 to gale 8 later in far west near the greenland coast.
Sea state
Moderate or rough.
Weather
Sleet or snow within 100 miles of greenland but rain or drizzle further south and east.
Visibility
Moderate or good, occasionally very poor within 100 miles of the greenland coast and poor further south and east. Light icing at times within 50 miles of the greenland coast, with temperatures ms02 to ms04.

In area to the north of 70 north

Wind
Variable 3 or less, becoming northerly 3 to 5 later.
Sea state
Smooth or slight.
Weather
Occasional snow later in south, otherwise fair.
Visibility
Good, occasionally very poor later in south.

North Iceland

In area to the north of 70 north

Wind
Westerly or northwesterly mainly 4 to 6, but 7 to severe gale 9 at first in far northeast, becoming variable 2 to 4, then becoming cyclonic 3 to 5 later.
Sea state
Very rough at first in northeast, otherwise moderate or rough becoming slight or moderate.
Weather
Snow showers at first in northeast, occasional snow later in south and fog patches in northwest, otherwise fair.
Visibility
Good, occasionally very poor. Moderate or severe icing at first in north and northeast, with temperatures ms05 to ms08.

In area to the south of 70 north

Wind
Westerly 6 to gale 8 at first in northeast, otherwise southwesterly 4 to 6.
Sea state
Very rough at first in northeast, otherwise moderate or rough.
Weather
Occasional rain or drizzle, with sleet or snow at times in far north, fog patches.
Visibility
Moderate or good, occasionally very poor.

Norwegian Basin

In area to the north of 62 north

Wind
Westerly or southwesterly 4 to 6.
Sea state
Moderate or rough.
Weather
Rain or drizzle at times, mainly at first in east.
Visibility
Moderate or good, occasionally poor at first in east.

In area to the south of 62 north

Wind
Variable 2 to 4, becoming southerly or southwesterly 3 or 4 later.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours

Storm force winds expected in East Central Section. Severe gales expected in West Northern Section and north Iceland. Gales expected in Sole, Shannon, Southeast Iceland, 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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