Tanapag Lagoon sits within the protected waters off the Wing Beach area of Saipan, and every site in our database here is a Second World War wreck. The four sites span shallow to mid-range depths, making them accessible to beginners and intermediate divers alike, with both shore and boat entry available. Wrecks include a Japanese flying boat known as Emily, the Shoan Maru, a Sub Chaser, and a Landing Craft, each now colonised by marine life. Whitetip reef sharks, giant morays, day octopuses, and a strong variety of nudibranchs are regularly recorded across the sites. Water stays warm year-round, cooling slightly in the early months.
Monthly water temperature across Tanapag Lagoon's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperature holds steady and warm throughout the year, dipping only slightly in the cooler months. Visibility varies considerably depending on tidal movement and weather, so conditions at any given site can shift from one dive to the next. Currents, including rip currents at the Shoan Maru, mean conditions should be checked before entering.
12 operators
Water temperature around Tanapag Lagoon ranges from about 28°C in January to 30°C in June, based on satellite sea-temperature data for its dive sites.
With water around 28–30°C, a rash guard or 3mm shorty works in Tanapag Lagoon year-round.
Fin maps 4 sites in Tanapag Lagoon (4 scuba diving sites).
Across Tanapag Lagoon's dive sites, April, May, June, July, August and September are most often reported as the best months to visit.
1 more site to explore
