Advice on Diving in Northern Mariana Islands

...rrangements to get there by boat.  Tinian is a 45-minute boat ride from Saipan, so some operators on Saipan may dive the sites on Tinian.  Otherwise the best way to dive all three islands is to go to each island and dive with a shop on that specific island.  There are no commercial operators who dive the more northern islands, although it’s likely to be great diving if private arrangements can be made to take a boat there. The CNMI has a tropical marine climate that is hot and humid year round with northeastern trade winds creating a comfortable sea breeze.  There is little temperature fluct...