The 2.6 m marking within the 3 m curve should be 1.3 m
9312 -2014 BSB, Navionics, and Eniro charts. Older 9312, such as 2001, 2002, 2007, and 2009 indicated 1.2 m at the same position. 1.2 m matches reality and my echo sounder.
Weather
Wind
14 km/h
NW(312.7°)
Swell
Height
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