Humpback Whale Season in Maui — Tom’s Honest Take on the Best Months
Every winter, thousands of humpbacks swim down from Alaska to breed in the warm, shallow channel between Maui, Lānaʻi, and Molokaʻi — one of the densest humpback gatherings on Earth. If you’re timing a Maui trip around the whales, here’s my honest month-by-month read on your odds.
Peak month: February
🐋 Humpback whales · February
Humpbacks are everywhere — you’ll likely see them from shore, no boat required.
Roughly a 95% chance of spotting humpbacks on a typical outing this month.
Your odds, month by month
Estimated chance of seeing humpbacks on a typical Maui outing. Season runs roughly December–April; January, February, March are the surest bets.
You watch from a boat — so how’s February on the water?
Whale-watch and Molokini cruises leave from Māʻalaea. Here’s the real boat-tour weather call for peak whale month, from 5 years of data.
⛵ Boat Tour · February · Māʻalaea Bay
Go for it — the odds are strongly in your favor.
91% of days hit the bar — 129 of 141 days across 5 years.
- Avg high
- 79°F
- Avg daily rain
- 0.04 in
- Avg max wind
- 9 mph
My bar for a boat tour: ≤0.20 in rain · ≤19 mph wind
February 20–26
In 5 of the last 5 years, 5+ of those 7 days hit the bar — the most reliable week of the month. Averaged 7/7 good days.
How I got these numbers
These are my estimates of seeing humpbacks at all — a spout, fluke, or breach — on a typical Maui outing, not official counts or a guarantee. Humpbacks migrate from Alaska each winter to breed in the warm Maui channel: numbers build through December, peak January–March, and taper off by late April.
Backed by real shore counts
The peak months aren’t just my guess — they track the Great Whale Count (Pacific Whale Foundation), where volunteers tally humpbacks from Maui’s shores on the last Saturday of January, February, and March (2023–2025):
| January | 821 · 702 |
|---|---|
| February | 596 · 948 · 802 |
| March | 313 · 367 · 307 |
These are cumulative sighting tallies, not individual-whale headcounts — the same whale is counted in every 15-minute interval it surfaces and across nearby shore sites, so the totals run into the hundreds. Read them as a relative index of how active each month is, not a whale population. (January 2023 was rained out and is omitted; no coordinated counts run outside January–March.)
Sources: Maui Now (2024) · Maui News (2025) · OceanCount results
Monthly odds are my season estimates, anchored to real peak-season shore counts (Great Whale Count / Pacific Whale Foundation, 2023–2025) and NOAA's published season window (humpbacks present Nov–Apr, peak Jan–Mar). Boat-tour weather is computed from Open-Meteo ERA5 reanalysis (Māʻalaea Bay (leeward boat / snorkel-cruise harbor)). How it works →
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