Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 070000UTC, low 59 north 46 west 1003 expected 67 north 28 west 996 by 080000UTC. New lows expected 53 north 41 west 1001 and 42 north 22 west 986 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Variable 2 at first in east, otherwise easterly or southeasterly 3 to 5, increasing 6 later in west.
Sea state
Slight or moderate, occasionally rough later in west.
Weather
Showers.
Visibility
Good, occasionally moderate.

Shannon

Wind
Easterly or southeasterly 3 to 5, occasionally 2 at first, increasing 6 at times later in southwest.
Sea state
Slight or moderate, occasionally rough later in southwest.
Weather
Showers.
Visibility
Good.

Rockall

Wind
Variable 2 to 4.
Sea state
Slight, occasionally moderate later in southwest.
Weather
Showers.
Visibility
Good, occasionally moderate.

Bailey

Wind
In southeast, variable 2 to 4. in northwest, southwesterly 3 to 5.
Sea state
In southeast, slight. in northwest, moderate, occasionally slight in south.
Weather
Showers.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Variable 2 to 4 until later in southeast, otherwise southwesterly 3 to 5.
Sea state
Slight, occasionally moderate in north and west.
Weather
Showers.
Visibility
Good.

Southeast Iceland

Wind
Southwesterly 4 to 6, occasionally 7 later, perhaps gale 8 later in northwest.
Sea state
Moderate, becoming moderate or rough later.
Weather
Showers.
Visibility
Good, occasionally moderate.

East Northern Section

In north

Wind
Southwesterly 4 to 6, increasing 7 at times except in far southeast.
Sea state
Moderate or rough.
Weather
Showers in southeast, occasional rain in northwest.
Visibility
Moderate or good, occasionally poor in northwest.

In south

Wind
Southerly or southeasterly 3 to 5, occasionally 6 in northwest.
Sea state
Slight or moderate.
Weather
Showers, occasional rain later in west.
Visibility
Moderate or good, occasionally poor later in west.

West Northern Section

In far northwest

Wind
Cyclonic 3 to 5, becoming northwesterly 6 to gale 8, perhaps severe gale 9 later near greenland coast.
Sea state
Moderate or rough.
Weather
Occasional rain, sleet and snow at first.
Visibility
Moderate or good, occasionally very poor, becoming good. Occasional light icing in far northwest.

In rest of area

Wind
Southerly or southwesterly becoming cyclonic, 4 to 6, decreasing 3 at times later.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches in south.
Visibility
Moderate or good, occasionally poor in north and very poor in south.

East Central Section

In north

Wind
Easterly or southeasterly 4 to 6, occasionally 3 at first, increasing 7 at times later in southeast.
Sea state
Slight or moderate at first in northeast, otherwise moderate or rough.
Weather
Occasional rain in south and west.
Visibility
Good, occasionally poor in south and west.

In south

Wind
Cyclonic 4 to 6, increasing 7 at times but occasionally 3 at first in west, then increasing 6 to gale 8 later except in far northwest, perhaps severe gale 9 later in south.
Sea state
Moderate or rough, becoming rough or very rough later.
Weather
Rain or showers, perhaps thundery in south and becoming squally at times later.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Cyclonic 3 to 5, occasionally 6 in far southeast, then becoming northwesterly 6 to gale 8 later in far southeast and far west.
Sea state
Moderate or rough.
Weather
Rain at times, fog patches.
Visibility
Moderate or good, occasionally very poor.

Denmark Strait

Wind
Variable 2 to 4 at first in far north, otherwise cyclonic, mainly southwesterly at first, 4 to 6, increasing 6 to gale 8 in far southwest, and occasionally 7 in southeast and later in north.
Sea state
Moderate, occasionally rough except in far north.
Weather
Occasional rain near Iceland and rain, sleet and snow elsewhere except in far north.
Visibility
Mainly good in far north, otherwise moderate or poor, occasionally very poor except near Iceland, becoming moderate or good later. Occasional light icing in far southwest and later north of 67 north with temperatures aroung ms04.

North Iceland

In north

Wind
Northwesterly 4 to 6 at first in east, otherwise variable 2 to 4, becoming cyclonic 3 to 5, increasing 5 to 7 later, occasionally gale 8 later.
Sea state
Moderate or rough.
Weather
Fair until later in north, otherwise occasional sleet and snow.
Visibility
Good until later in north, otherwise moderate or good, occasionally very poor. Light icing expected later in north and west with temperatures ms02 to ms04.

In south

Wind
Southwesterly 4 to 6, becoming cyclonic 5 to 7 later, perhaps gale 8 later in southeast.
Sea state
Moderate or rough.
Weather
Showers in southeast, otherwise rain at times, but occasional sleet and snow in northwest, fog patches at first in southeast.
Visibility
Moderate or good, occasionally poor, but very poor in northwest and at first in southeast. Light icing expected in far northwest with temperatures ms02 to ms04.

Norwegian Basin

Wind
Westerly or southwesterly 3 to 5, occasionally 2 in south and 6 in north.
Sea state
Slight or moderate in south, moderate or rough in north.
Weather
Showers.
Visibility
Good, occasionally moderate.

Outlook for the following 24 hours

Severe gales expected in north Iceland with a risk of severe gales in East Central Section. Gales expected in Sole, Shannon 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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