http://www.panbo.com/archives/2011/02/noaa_shoreline_doubts_or_how_ne_pt_became_an_island.html#more
Read the explanation of the government technicians ;^) Look at the "google" photo and pictures. Then make your own conclusions.
For those of you that say the "old" raster charts were better, well .... I'm not sure that in places with 9' plus tidal ranges and a lot of hard rocks will produce charts that one can reasonalby deduce that what you see is what you should have expected :^)