Best Time to See Hammerhead Sharks in Hawaii
March, April and May is the best time to see hammerhead sharks in Hawaii. Based on 61 verified iNaturalist observations, here is exactly when hammerhead sharks are most active across the year in Hawaii.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.
61 verified observations of hammerhead sharks in Hawaii, recorded across 12 months of the year on iNaturalist.
When hammerhead sharks are recorded in Hawaii
Peak month
March
9 records (14.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 4.9% |
| February | 1 | 1.6% |
| Marchpeak | 9 | 14.8% |
| Aprilpeak | 7 | 11.5% |
| Maypeak | 7 | 11.5% |
| June | 7 | 11.5% |
| July | 7 | 11.5% |
| August | 4 | 6.6% |
| September | 4 | 6.6% |
| October | 3 | 4.9% |
| November | 4 | 6.6% |
| December | 5 | 8.2% |
Hammerhead Sharks you are most likely to see
| Species | Verified observations |
|---|---|
| Scalloped Hammerhead | 59 |
Sightings of hammerhead sharks in Hawaii peak in March, when 9 of the year's 61 verified observations are logged — about 14.8% of the annual total. Activity stays high through March, April and May.
The quietest stretch is February, when hammerhead sharks are hardest to find — February sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The hammerhead sharks you are most likely to encounter in Hawaii are Scalloped Hammerhead — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see hammerhead sharks in Hawaii
- Ala Kahakai National Historic Trail — National Historic Trail
- Hawaiʻi Volcanoes National Park — National Park
- Kaloko-Honokōhau National Historical Park — National Historical Park
- Puʻuhonua o Hōnaunau National Historical Park — National Historical Park
- Puʻukoholā Heiau National Historic Site — National Historic Site
- Haleakalā National Park — National Park
Plan your hammerhead shark trip in Hawaii
Start with live tours near Ala Kahakai National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Ala Kahakai National Historic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main hammerhead shark viewing area.
Booking.com
Stay nearbyStay near Ala Kahakai National Historic Trail
Compare hotels, cabins and lodges close to the best hammerhead shark viewing area in Hawaii.
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Broader backupBook a hammerhead shark tour in Hawaii
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
What is the best month to see hammerhead sharks in Hawaii?+
March is the single best month, and the broader peak window runs through March, April and May, based on 61 verified iNaturalist observations.
When are hammerhead sharks hardest to see in Hawaii?+
February is the quietest month for hammerhead sharks in Hawaii, with only 1 verified records.
Are hammerhead sharks active year-round in Hawaii?+
Hammerhead sharks are recorded in 12 of 12 months in Hawaii, so they can be seen year-round, with a clear peak in March.