It may be more detailed, but it hasn't been updated for a few years. Google updated their map 1-2 years ago.
Near as I can tell, none of the rocks have moved significantly in the last couple of years...
"There is no royal road to this heavy surf-fishing. With all the appliances for comfort experience can suggest, there is a certain amount of hard work to be done and exposure to be bourne as a part of the price of success." From "Striped Bass," Scribner's Magazine, 1881.