Atlantic Spain and Portugal 7th Edition including corrections in Supplement 2, February 2017
Page 230 Entrance to Alvor
Reported by Arnulf Dorner Yacht Ariel
It has been confirmed that shifting sands, silting, and buoy positions are a problem at Alvor. At 22/10/2017 the Green buoy No 1 was reported out of position at 37°07,589´N 008°37,250´W.
Also the depth of the anchorage in the basin in front of the village at Alvor has been reduced by silting from 2,5 m to 1,5 m.