Borden Highway Bridge, Old River (missing): 37°53'12.00"N 121°29'6.00"W http://tbone.biol.sc.edu/tide/tideshow.cgi?site=Borden+Highway+Bridge%2C+Old+River&units=f
I have a similar setup in my google earth app too, but these points on my map were missing your point overlaps
Also, instead of table data returned you can get a graph by using a URL like this: