Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 121200UTC, low 45 north 49 west 1006 expected 51 north 42 west 1006 by 131200UTC. Lows 65 north 38 west 1000, 43 north 12 west 1010 and 42 north 05 west 1008, all losing their identities by same time. New lows expected 61 north 40 west 1011, 41 north 15 west 1010 and 47 north 03 west 1010 by that time. at 121200UTC, high 60 north 05 west 1034 expected 61 north 04 west 1033 by 131200UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
East or northeast 5 to 7.
Sea state
Moderate or rough.
Weather
Thundery showers.
Visibility
Good occasionally moderate.

Shannon

Wind
Easterly or northeasterly 4 or 5, occasionally 6 in south.
Sea state
Slight or moderate, occasionally rough later in far southeast.
Weather
Fair.
Visibility
Good.

Rockall

Wind
Northeast veering east, 3 or 4, increasing 5 at times.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Bailey

Wind
Variable 2 to 4, but southwesterly 4 or 5 in far north.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Faeroes

Wind
In southeast, variable 2 to 4. in northwest, southwesterly 3 to 5.
Sea state
In southeast, slight. in northwest, slight or moderate.
Weather
In southeast, fair. in northwest, showers.
Visibility
Good.

Southeast Iceland

Wind
Southwesterly 3 to 5, but 6 or 7 in northwest.
Sea state
Slight or moderate, occasionally rough in far northwest.
Weather
Showers.
Visibility
Good.

East Northern Section

Wind
Northerly 4 or 5, occasionally 6 at first, backing easterly or northeasterly 2 to 4 in far southeast.
Sea state
Slight or moderate in southeast, elsewhere moderate or rough occasionally very rough at first.
Weather
Occasional rain in north and west, showers elsewhere, fog patches in south.
Visibility
Moderate or good, occasionally poor in north and west, and very poor in south.

West Northern Section

In far west

Wind
South or southwest 4 to 6, becoming variable 2 to 4 later.
Sea state
Rough, occasionally moderate.
Weather
Occasional rain, fog patches.
Visibility
Moderate or good, occasionally very poor.

In rest of area

Wind
Southerly 4 or 5, occasionally 6 at first.
Sea state
Moderate or rough.
Weather
Occasional rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor.

East Central Section

Wind
Easterly or northeasterly, but southeasterly in far northwest, 3 to 5, occasionally 6 in far southeast.
Sea state
Moderate.
Weather
Occasional rain or drizzle, fog patches developing.
Visibility
Moderate or good, occasionally very poor.

West Central Section

In far southeast and in far west at first

Wind
Variable 2 to 4, otherwise southerly or southeasterly 3 to 5, increasing 6 at times.
Sea state
Moderate, occasionally rough in northwest.
Weather
Mainly fair in far southeast, otherwise rain or drizzle, fog patches.
Visibility
Moderate or good, occasionally very poor except in far southeast.

Denmark Strait

In an area north of 70 north

Wind
Variable 3 or less, becoming south or southwest 2 to 4 later.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

In an area south of 70 north

Wind
Variable 2 to 4 near greenland coast, otherwise southerly or southwesterly 5 or 6, occasionally 7 at first near iceland and 4 later elsewhere.
Sea state
Rough or very rough, becoming slight or moderate later.
Weather
Rain, fog banks.
Visibility
Moderate to very poor, occasionally good later in far southwest.

North Iceland

In far northwest

Wind
Variable 2 to 4, becoming westerly or southwesterly 3 to 5.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Good.

In rest of area

Wind
Southwesterly 5 or 6, occasionally 7 at first, then decreasing 4 at times later.
Sea state
Moderate or rough.
Weather
Occasional rain, fog patches in north and west.
Visibility
Moderate or good, occasionally very poor in north and west.

Norwegian Basin

In far south

Wind
Northerly 4 or 5, occasionally 6 at first near coast.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

In rest of area

Wind
Westerly or southwesterly 3 to 5.
Sea state
Moderate, occasionally slight in south and east.
Weather
Showers.
Visibility
Good.

Outlook for the following 24 hours

No gales expected.

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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