Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 290000UTC, low 50 north 12 west 998 expected 54 north 04 east 999 by 300000UTC. Low 73 north 08 west 1003 losing its identity by same time. New low expected 67 north 10 east 997 by that time. at 290000UTC, low 58 north 03 west 994 expected 60 north 08 east 999 by 300000UTC. Low 54 north 23 west 1004 expected 53 north 17 west 999 by same time

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Cyclonic 6 to gale 8, occasionally severe gale 9 at first, becoming west or southwest 5 to 7 later.
Sea state
Moderate or rough, occasionally very rough at first.
Weather
Thundery showers.
Visibility
Good, occasionally poor.

Shannon

Wind
Northwesterly, backing southwesterly, becoming cyclonic later, 4 to 6, occasionally 7 in south.
Sea state
Moderate or rough, occasionally slight in north.
Weather
Thundery rain.
Visibility
Good, occasionally poor.

Rockall

Wind
Northeast becoming cyclonic, 3 to 5.
Sea state
Slight or moderate, occasionally rough later.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Bailey

Wind
Northeast 4 to 6, occasionally 7 later.
Sea state
Slight or moderate, occasionally rough later.
Weather
Occasional rain.
Visibility
Good, occasionally moderate.

Faeroes

Wind
Northeast 4 to 6.
Sea state
Slight or moderate.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor at first.

Southeast Iceland

Wind
Northeasterly 5 at first in east, otherwise variable 2 to 4.
Sea state
Slight occasionally moderate in southeast.
Weather
Showers.
Visibility
Mainly good.

East Northern Section

In north

Wind
Variable 2 to 4.
Sea state
Slight or moderate.
Weather
Showers.
Visibility
Good occasionally moderate.

In south

Wind
Northeasterly 3 to 5, occasionally 6 in south, becoming variable 2 to 4 later in west.
Sea state
Slight or moderate, occasionally rough in south.
Weather
Rain or showers.
Visibility
Moderate or good, occasionally poor.

West Northern Section

Wind
Northerly or northeasterly 5 or 6 at first in southeast, otherwise cyclonic 3 to 5, occasionally 6 later.
Sea state
Moderate occasionally slight in north.
Weather
Occasional rain.
Visibility
Moderate or good.

East Central Section

In north

Wind
Cyclonic, becoming northwesterly later, 5 to 7, occasionally 4 at first in north and later in west.
Sea state
Moderate or rough, occasionally very rough later in southeast.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

In south

Wind
Westerly 5 to 7, veering northwesterly 4 to 6 later, occasionally 7 in northeast.
Sea state
Moderate or rough, occasionally very rough later in northeast.
Weather
Rain or thundery showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

Wind
Northwesterly 4 to 6, occasionally 7 at first in east, backing westerly or southwesterly 3 to 5 later.
Sea state
Rough or very rough.
Weather
Occasional rain.
Visibility
Moderate or good.

Denmark Strait

Wind
Variable 2 to 4, becoming cyclonic 4 or 5 later in far south.
Sea state
Slight occasionally moderate later.
Weather
Occasional rain, mainly in south, fog patches.
Visibility
Moderate or good, occasionally very poor.

North Iceland

In northeast

Wind
Cyclonic 3 to 5, occasionally 6 in southwest.
Sea state
Slight or moderate, becoming moderate or rough.
Weather
Rain or showers, fog banks in north, fog patches elsewhere.
Visibility
Moderate or good, occasionally very poor.

In southwest

Wind
Northwesterly 3 to 5, occasionally variable 2 in southwest.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Mainly good.

Norwegian Basin

Wind
Cyclonic 3 to 5 at first in east, otherwise northerly or northwesterly 4 to 6.
Sea state
Slight or moderate.
Weather
Rain or showers.
Visibility
Moderate or good.

Outlook for the following 24 hours

Gales expected in north Iceland.

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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