Coast and Sea

High seas forecast and storm warnings


The general synopsis for UK

At 230000UTC, low 66 north 32 west 988 expected 63 north 34 west 1001 by 240000UTC. New lows expected 58 north 21 west 1002 and 70 north 11 west 1006 by same time. Low 40 north 16 west 1002 expected 41 north 13 west 1004 by that time. at 230000UTC, high 53 north 13 west 1028 expected 54 north 01 east 1025 by 240000UTC

Issued at: .

For the period to .

High seas forecast and storm warnings map


Sole

Wind
Easterly or northeasterly 5 or 6, occasionally 4 later.
Sea state
Moderate.
Weather
Showers.
Visibility
Good.

Shannon

Wind
East or southeast 2 to 4, occasionally 5 later.
Sea state
Slight or moderate.
Weather
Fair.
Visibility
Good.

Rockall

Wind
Southwesterly, backing southerly, 3 to 5, increasing 6 in northwest.
Sea state
Slight at first in southeast, otherwise moderate or rough.
Weather
Fair.
Visibility
Good.

Bailey

Wind
Southwest, backing south, 5 to 7.
Sea state
Rough or very rough, occasionally moderate at first in southeast.
Weather
Occasional rain.
Visibility
Good occasionally poor.

Faeroes

Wind
Southwesterly 4 or 5, occasionally 6 in west.
Sea state
Moderate or rough.
Weather
Mainly fair.
Visibility
Good occasionally poor.

Southeast Iceland

Wind
Southwesterly 5 to 7, occasionally 4 in west.
Sea state
Rough occasionally moderate.
Weather
Occasional rain.
Visibility
Moderate or good, occasionally poor.

East Northern Section

Wind
Southerly or southwesterly, becoming cyclonic in west, 5 to 7, occasionally gale 8 in east.
Sea state
Rough or very rough, occasionally moderate in west.
Weather
Occasional rain or showers, fog patches for a time.
Visibility
Moderate or good, occasionally very poor.

West Northern Section

Wind
Cyclonic 5 to 7, occasionally gale 8 in far northwest.
Sea state
Moderate or rough in south, otherwise rough or very rough, occasionally high in north.
Weather
Occasional rain or squally showers.
Visibility
Moderate or good, occasionally poor.

East Central Section

Wind
Cyclonic 5 to 7, occasionally gale 8 in north.
Sea state
Moderate or rough, occasionally very rough in far north.
Weather
Fair for a time in southeast, otherwise occasional rain or showers.
Visibility
Moderate or good, occasionally poor.

West Central Section

In southeast

Wind
Southerly or southwesterly, veering westerly or northwesterly, 4 to 6, occasionally 7 at first.
Sea state
Moderate occasionally rough.
Weather
Occasional rain and drizzle, fog patches at first, showers later.
Visibility
Moderate or poor, occasionally very poor at first becoming good later.

In northwest

Wind
Westerly, veering northwesterly, 4 to 6.
Sea state
Moderate, occasionally rough later.
Weather
Showers, occasional rain at first.
Visibility
Moderate becoming good, occasionally poor at first.

Denmark Strait

In far southeast

Wind
Cyclonic, becoming north or northeast, 4 to 6.
Sea state
Moderate or rough, occasionally very rough.
Weather
Occasional rain then showers.
Visibility
Moderate or good, occasionally poor at first.

In rest of area

Wind
Northeasterly 6 to gale 8, occasionally severe gale 9 south of 68 north.
Sea state
Moderate north of 70 north, otherwise rough or very rough, occasionally high at first.
Weather
Rain, mainly fair later.
Visibility
Moderate or poor, occasionally good later.

North Iceland

In area north of 72 north

Wind
Variable 2 to 4, becoming northeasterly 3 to 5 except in far northwest.
Sea state
Slight or moderate, occasionally rough later.
Weather
Fair then occasional sleet.
Visibility
Good occasionally poor.

In rest of area

Wind
Cyclonic 4 to 6.
Sea state
Occasionally 7 in northwest.
Weather
Moderate or rough, occasionally slight at first.
Visibility
Rain or drizzle at times, fog banks developing except in southwest. Moderate or good, occasionally very poor except in southwest.

Norwegian Basin

In northwest

Wind
Westerly, backing southwesterly, 3 to 5.
Sea state
Moderate or rough, occasionally slight at first.
Weather
Fair.
Visibility
Good occasionally moderate.

In southeast

Wind
Westerly or southwesterly, becoming variable later, 2 to 4, occasionally 5 at first.
Sea state
Slight or moderate.
Weather
Mainly fair.
Visibility
Moderate or good, occasionally poor at first.

Outlook for the following 24 hours

Gales expected in East Northern Section, West Northern Section, Denmark Strait and 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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