Active 16/24

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Mariners are advised that after a recent period of unfavourable weather the following AtoN light and most of its supporting pole established north of the pier head at Colonsay Ferry Terminal, Scalasaig Bay, Isle of Colonsay are missing.

Location description : Colonsay. Scalasaig Bay. North
Latitude : 56o 4.190’      North (WGS-84 datum)
Longitude : 006o 11.000’   West (WGS-84 datum)
Character of Light : Q G
Range : 2 nautical miles
Height of structure : 4 metres
Elevation : 2.0 metres above MHWS
Structure : Steel column


UPDATE – We have now established a temporary buoy in position 56° 04.166’N 006° 11.000’W whilst we are assessing a long-term solution for the North Perch. The buoy has the same light characteristics as the original perch light of Q.G.

Issue of this NTM supersedes NTM 06/24, hence that is now cancelled.


Unless otherwise promulgated, if this NTM is still marked as ‘Active’ it remains in force.

Further details can be obtained using the contact details below.


Issued on behalf of the Harbour Master

Caledonian Maritime Assets Limited


Categories: Notice to Mariners