What's this then?

Tiger Balm on Tour
Gordon Millar & Colette Mullins
Wed 17 Dec 2008 09:35
1:12.5N 103:36.38E

Sailing along on GPS plotter and dead ahead is this breakwater type thing that is NOT on the chart!  Seems the whole construction north of hear is pretty new and is not yet charted.  Thank god it was daylight!!!