Gosport Harbor, Isles of Shoals is a tidal station located in Gosport Harbor, Isles of Shoals, NH. Tides here are semidiurnal - two high tides and two low tides each day, with a mean tidal range of approximately 8.5 feet. The tidal movement through this area creates productive inshore fishing conditions, particularly during moving tides when bait is pushed through channels, creek mouths, and flats.
The best fishing at Gosport Harbor, Isles of Shoals is typically the 2 hours before and after each high or low tide, when currents are actively moving bait. Our fishing score combines tide phase, solunar periods, and weather to give you a daily fishing grade so you can plan the best time to be on the water.
Common species near Gosport Harbor, Isles of Shoals include Striped Bass, Bluefish, Tautog (Blackfish), Atlantic Cod, and Pollock. Check the species cards above for current regulations, best baits, and tide timing for each fish.