Wednesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Wed 10:56Hanauma Bay looks marginal today. The least-bad daylight window is around Wed 12:00, but waves is limiting the forecast.
Score: 4.4/10
Best time: Wed 12:00
Main risk: Waves
Best morning signal: Wed 11:00 (Poor).
Best afternoon signal: Wed 12:00 (Fair). Peak afternoon wind is about 6.8 m/s.
Best nearby spots
No safe window in the next 72 hours
Use the best-available section for the least-bad times.
Wednesday
⚠️ fair conditions
Main blocker: Waves
Thursday
⚠️ fair conditions
Main blocker: Waves
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Wed 17:00.
warm water supports seasonal jellyfish activity; surface drift/current is noticeable; local shoreline exposure is not mapped yet.
Sightings override the model: if you see small purple jellyfish with long trailing tentacles, treat them as sting-capable and give them space.
Wed 22:00, Thu 22:00
Local operators found via Tripadvisor. Check conditions before you book.
Sponsored external links
Full-day Oahu sightseeing and snorkeling tour with broad island coverage.
Protected Oahu marine preserve with reservations and managed visitor access.
Guided Oahu circle-island tour with a snorkeling stop.
Waikiki turtle snorkeling option near Honolulu.
Compare nearby spots by score, forecast window and exposure before choosing a beach.
Viewing historical data
Sun 20:00 – Wed 20:00 (HST)
Best snorkel score is 0.31 around Sun 10:00; 0 of 24 hours are good, fair, or excellent.
Score trend, higher is better. Excellent ≥ 0.72, good 0.55–0.72, fair 0.35–0.55.
Tap a chart to load just that series.
0/24 sampled hours stay at or below 0.36m (range 1.28m to 1.46m).
Wind is at or below 5.4m/s in 0/24 sampled hours (range 15.7 to 23.5m/s).
Tides range from 0.13m to 0.91m; 2 of 24 hours are in or near peak slack windows.
We score each hour from 0 to 1 using daylight and these weighted components:
| Time | Wave (m) | Wind (m/s) | Sea temp (°C) | Status |
|---|---|---|---|---|
| Sun 20:00 | 1.46 · high | 22.60 · high | 26.30 · good | poor |
| Sun 21:00 | 1.46 · high | 22.60 · high | 26.30 · good | poor |
| Sun 22:00 | 1.46 · high | 20.50 · high | 26.30 · good | poor |
| Sun 23:00 | 1.46 · high | 19.90 · high | 26.30 · good | poor |
| Mon 00:00 | 1.46 · high | 20.50 · high | 26.30 · good | poor |
| Mon 01:00 | 1.44 · high | 20.20 · high | 26.30 · good | poor |
| Mon 02:00 | 1.44 · high | 18.20 · high | 26.30 · good | poor |
| Mon 03:00 | 1.42 · high | 18.20 · high | 26.30 · good | poor |
| Mon 04:00 | 1.42 · high | 19.70 · high | 26.30 · good | poor |
| Mon 05:00 | 1.42 · high | 19.20 · high | 26.30 · good | poor |
| Mon 06:00 | 1.42 · high | 18.20 · high | 26.30 · good | poor |
| Mon 07:00 | 1.40 · high | 19.40 · high | 26.30 · good | poor |
| Mon 08:00 | 1.40 · high | 19.70 · high | 26.30 · good | poor |
| Mon 09:00 | 1.38 · high | 16.80 · high | 26.30 · good | poor |
| Mon 10:00 | 1.36 · high | 15.70 · high | 26.30 · good | poor |
| Mon 11:00 | 1.32 · high | 16.70 · high | 26.30 · good | poor |
| Mon 12:00 | 1.30 · high | 17.10 · high | 26.30 · good | poor |
| Mon 13:00 | 1.30 · high | 16.40 · high | 26.30 · good | poor |
| Mon 14:00 | 1.28 · high | 17.10 · high | 26.30 · good | poor |
| Mon 15:00 | 1.28 · high | 17.90 · high | 26.20 · good | poor |
| Mon 16:00 | 1.30 · high | 18.60 · high | 26.20 · good | poor |
| Mon 17:00 | 1.32 · high | 20.70 · high | 26.20 · good | poor |
| Mon 18:00 | 1.34 · high | 22.90 · high | 26.20 · good | poor |
| Mon 19:00 | 1.36 · high | 23.50 · high | 26.20 · good | poor |
| Mon 20:00 | 1.36 · high | 24.00 · high | 26.30 · good | poor |
| Mon 21:00 | 1.38 · high | 25.00 · high | 26.30 · good | poor |
| Mon 22:00 | 1.40 · high | 25.50 · high | 26.30 · good | poor |
| Mon 23:00 | 1.42 · high | 27.40 · high | 26.40 · good | poor |
| Tue 00:00 | 1.44 · high | 24.60 · high | 26.40 · good | poor |
| Tue 01:00 | 1.44 · high | 26.00 · high | 26.40 · good | poor |
| Tue 02:00 | 1.46 · high | 24.50 · high | 26.40 · good | poor |
| Tue 03:00 | 1.46 · high | 24.10 · high | 26.40 · good | poor |
| Tue 04:00 | 1.46 · high | 21.30 · high | 26.30 · good | poor |
| Tue 05:00 | 1.48 · high | 22.40 · high | 26.30 · good | poor |
| Tue 06:00 | 1.48 · high | 22.70 · high | 26.30 · good | poor |
| Tue 07:00 | 1.48 · high | 23.00 · high | 26.30 · good | poor |
| Tue 08:00 | 1.46 · high | 22.10 · high | 26.30 · good | poor |
| Tue 09:00 | 1.46 · high | 21.90 · high | 26.30 · good | poor |
| Tue 10:00 | 1.44 · high | 21.90 · high | 26.30 · good | poor |
| Tue 11:00 | 1.44 · high | 21.70 · high | 26.30 · good | poor |
| Tue 12:00 | 1.42 · high | 18.20 · high | 26.30 · good | poor |
| Tue 13:00 | 1.40 · high | 18.10 · high | 26.30 · good | poor |
| Tue 14:00 | 1.38 · high | 17.40 · high | 26.30 · good | poor |
| Tue 15:00 | 1.36 · high | 19.40 · high | 26.20 · good | poor |
| Tue 16:00 | 1.36 · high | 19.70 · high | 26.20 · good | poor |
| Tue 17:00 | 1.36 · high | 20.90 · high | 26.20 · good | poor |
| Tue 18:00 | 1.36 · high | 21.30 · high | 26.20 · good | poor |
| Tue 19:00 | 1.34 · high | 21.50 · high | 26.20 · good | poor |
| Tue 20:00 | 1.34 · high | 21.40 · high | 26.30 · good | poor |
| Tue 21:00 | 1.32 · high | 22.30 · high | 26.30 · good | poor |
| Tue 22:00 | 1.30 · high | 21.80 · high | 26.30 · good | poor |
| Tue 23:00 | 1.30 · high | 21.10 · high | 26.40 · good | poor |
| Wed 00:00 | 1.28 · high | 21.40 · high | 26.40 · good | poor |
| Wed 01:00 | 1.26 · high | 21.40 · high | 26.40 · good | poor |
| Wed 02:00 | 1.26 · high | 21.10 · high | 26.40 · good | poor |
| Wed 03:00 | 1.24 · high | 20.50 · high | 26.40 · good | poor |
| Wed 04:00 | 1.24 · high | 17.70 · high | 26.40 · good | poor |
| Wed 05:00 | 1.22 · high | 18.30 · high | 26.40 · good | poor |
| Wed 06:00 | 1.22 · high | 17.40 · high | 26.40 · good | poor |
| Wed 07:00 | 1.24 · high | 17.00 · high | 26.40 · good | poor |
| Wed 08:00 | 1.24 · high | 19.20 · high | 26.40 · good | poor |
| Wed 09:00 | 1.26 · high | 21.40 · high | 26.40 · good | poor |
| Wed 10:00 | 1.28 · high | 21.60 · high | 26.40 · good | poor |
| Wed 11:00 | 1.28 · high | 21.50 · high | 26.40 · good | poor |
| Wed 12:00 | 1.30 · high | 21.10 · high | 26.40 · good | poor |
| Wed 13:00 | 1.32 · high | 21.80 · high | 26.40 · good | poor |
| Wed 14:00 | 1.32 · high | 23.10 · high | 26.40 · good | poor |
| Wed 15:00 | 1.34 · high | 24.70 · high | 26.40 · good | poor |
| Wed 16:00 | 1.36 · high | 24.70 · high | 26.40 · good | poor |
| Wed 17:00 | 1.40 · high | 26.10 · high | 26.40 · good | poor |
| Wed 18:00 | 1.42 · high | 24.70 · high | 26.40 · good | poor |
| Wed 19:00 | 1.44 · high | 22.00 · high | 26.40 · good | poor |