Another vote for the Taft guide and for Eldredge. Tides and currents up this way are a bigger factor than on the Chessie. We used to be huge fans of the Cruising Guide to the New England
Coast and it is still useful. However, be aware that the content hasn't been updated in years so some of the harbor service
details are out of date. We used the Maptech
Cruising Guide last year which was rudimentary, but up to date.
The travel itineraries for offshore
and gunkholing are both sound. A lot depends on how much time you have. If you're going back south this year, you will be very likely doing day trips against the prevailing sou'westerlies unless you wait until September. Many of us who overnight to get up to Maine
in a hurry still see the sights on the way back.