Samoa sits in the South Pacific Ocean, where volcanic origins shape the underwater terrain into reef slopes, gardens, and drop-offs. The water stays warm year-round, peaking in the mid-year warm months and easing slightly in August and September but never falling uncomfortably cool. Sites in the database range from very shallow reef tops to moderate depths, suiting beginners and intermediate divers alike, and all are reached by boat. The macro life is a particular draw, with nudibranchs, ornate pipefish, tiger reef eels, and octopus recorded across sites. The dry season, from May to October, brings the most reliable conditions and the clearest visibility.
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Monthly water temperature across Samoa's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperature stays warm across every month, peaking around March through May and cooling only slightly in August and September. The dry season from May to October offers the most consistent visibility and the lowest risk of rain-driven runoff affecting water clarity. The wet season from November to April brings higher rainfall and occasional storm risk, which can reduce visibility at shallower reef sites.
2 operators
Lotofaga, Samoa
Water temperature around Samoa ranges from about 28°C in August to 30°C in March, based on satellite sea-temperature data for its dive sites.
With water around 28–30°C, a rash guard or 3mm shorty works in Samoa year-round.
Fin maps 4 sites in Samoa (4 scuba diving sites).
