Bonito do the same and arrive in Nantucket sound around the same time period. For some great fun on the right tide, try flatsfishing. There is not much more fun than watching the striped bass or bluefish chase down your fly and smash it. Bonito, Bluefish, false albicore and even Jacks can be great surface fish for flyfishing. Choosing the correct flies is important too.
Flies come in all shapes and sizes.
Make sure you have a large assortment of flies. Saltwater Flies are tied on stainless hooks. Early season flies include sandeels and squid. Clousers and Crabs are also important flies to have in your box. Flyfishing on monomoy in the rips can be great fun using using imitations of large pelagic naturals.