When To Go · Destination Guide
Warm Pacific, iconic Molokini, and whale season magic
Updated Oct 30, 2025 • 21 sources
When to go
Maui is diveable yearround.
Best overall window
More glassy mornings, warmer water near 27°C.
Outside that window
Winter north swell and stronger trades at times.
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Overall - Jan: Tradeoffs | Overall - Feb: Tradeoffs | Overall - Mar: Tradeoffs | Overall - Apr: Good | Overall - May: Best | Overall - Jun: Best | Overall - Jul: Best | Overall - Aug: Best | Overall - Sep: Best | Overall - Oct: Best | Overall - Nov: Good | Overall - Dec: Tradeoffs |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Humpback Whales
Best for Snorkel, Scuba, Freedive, Topside
Nov to Apr
Maui Nui is a core breeding ground.
Hawksbill Turtle Nesting
Best for Snorkel, Topside
May to Dec
Rare on Maui but protected.
Box Jellyfish Pulses
Best for Snorkel
Check current season
Expect pulses about 810 days after the full moon, mainly on leeward shores.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.