Best Time to Go
Hawaii
Hawaii dives well all year, with summer bringing the calmest seas and the best visibility. Winter is rougher on north shores but is humpback-whale season, when their song fills many dives.
- Month-by-month conditions
- Free
- No signup
Month by month
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When to go & why
- June–September: calmest water and best visibility
- December–April: humpback whale season
- Year-round warm water and accessible shore dives
Notable months
- February
- Humpback whale season, song on the reef
- June
- Calmest seas, best visibility
Plan your Hawaii trip with a local operator
Browse dive operators who know the seasons and can book your dates.
Common questions
- When is the best time to dive in Hawaii?
- Summer, roughly June through September, brings the calmest seas and the best visibility. Hawaii dives well all year, but the warmer months are the most reliable for clear, settled conditions.
- When can you hear humpback whales while diving in Hawaii?
- Humpback whale season runs through the winter months, roughly December into April, when their song fills many dives. Note that north shores can be rougher during this stretch.
- Can you dive Hawaii year-round?
- Yes. The water stays warm all year and shore dives are accessible throughout. Summer offers the calmest conditions, while winter is rougher on north shores but brings whale song to the reef.
