Wednesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Tue 23:09Hanauma 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
No useful morning window is showing yet.
No useful afternoon window is showing yet.
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 06:00.
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
Mon 09:00 – Thu 09:00 (HST)
Best snorkel score is 0.39 around Mon 09:00; 2 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 1.58m to 1.78m).
Wind is at or below 5.4m/s in 0/24 sampled hours (range 6.51 to 24.7m/s).
Tides range from 0.28m to 0.71m; 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 |
|---|---|---|---|---|
| Mon 09:00 | 1.58 · high | 24.70 · high | 26.30 · good | poor |
| Mon 10:00 | 1.62 · high | 7.42 · high | 26.30 · good | poor |
| Mon 11:00 | 1.62 · high | 7.00 · high | 26.30 · good | poor |
| Mon 12:00 | 1.62 · high | 6.96 · high | 26.30 · good | poor |
| Mon 13:00 | 1.64 · high | 7.08 · high | 26.30 · good | poor |
| Mon 14:00 | 1.64 · high | 6.58 · high | 26.20 · good | poor |
| Mon 15:00 | 1.66 · high | 6.51 · high | 26.20 · good | poor |
| Mon 16:00 | 1.68 · high | 6.75 · high | 26.20 · good | fair |
| Mon 17:00 | 1.72 · high | 7.11 · high | 26.20 · good | poor |
| Mon 18:00 | 1.74 · high | 7.41 · high | 26.20 · good | poor |
| Mon 19:00 | 1.76 · high | 7.81 · high | 26.20 · good | fair |
| Mon 20:00 | 1.76 · high | 8.30 · high | 26.30 · good | poor |
| Mon 21:00 | 1.78 · high | 8.12 · high | 26.30 · good | poor |
| Mon 22:00 | 1.78 · high | 8.19 · high | 26.30 · good | poor |
| Mon 23:00 | 1.78 · high | 8.37 · high | 26.30 · good | poor |
| Tue 00:00 | 1.78 · high | 8.54 · high | 26.30 · good | poor |
| Tue 01:00 | 1.78 · high | 8.39 · high | 26.30 · good | poor |
| Tue 02:00 | 1.76 · high | 8.30 · high | 26.30 · good | poor |
| Tue 03:00 | 1.76 · high | 8.24 · high | 26.30 · good | poor |
| Tue 04:00 | 1.76 · high | 8.06 · high | 26.30 · good | poor |
| Tue 05:00 | 1.78 · high | 8.04 · high | 26.30 · good | poor |
| Tue 06:00 | 1.78 · high | 7.93 · high | 26.30 · good | poor |
| Tue 07:00 | 1.78 · high | 7.81 · high | 26.30 · good | poor |
| Tue 08:00 | 1.78 · high | 7.81 · high | 26.20 · good | poor |
| Tue 09:00 | 1.78 · high | 7.88 · high | 26.20 · good | poor |
| Tue 10:00 | 1.74 · high | 7.65 · high | 26.20 · good | poor |
| Tue 11:00 | 1.72 · high | 7.33 · high | 26.20 · good | poor |
| Tue 12:00 | 1.68 · high | 7.25 · high | 26.20 · good | poor |
| Tue 13:00 | 1.66 · high | 7.24 · high | 26.20 · good | poor |
| Tue 14:00 | 1.66 · high | 7.42 · high | 26.20 · good | poor |
| Tue 15:00 | 1.64 · high | 7.40 · high | 26.10 · good | poor |
| Tue 16:00 | 1.64 · high | 7.38 · high | 26.10 · good | poor |
| Tue 17:00 | 1.66 · high | 7.56 · high | 26.10 · good | poor |
| Tue 18:00 | 1.66 · high | 7.81 · high | 26.10 · good | poor |
| Tue 19:00 | 1.68 · high | 7.92 · high | 26.10 · good | poor |
| Tue 20:00 | 1.68 · high | 7.76 · high | 26.10 · good | poor |
| Tue 21:00 | 1.70 · high | 7.87 · high | 26.20 · good | fair |
| Tue 22:00 | 1.70 · high | 7.94 · high | 26.20 · good | poor |
| Tue 23:00 | 1.72 · high | 8.02 · high | 26.20 · good | fair |
| Wed 00:00 | 1.72 · high | 8.04 · high | 26.20 · good | poor |
| Wed 01:00 | 1.72 · high | 7.74 · high | 26.20 · good | poor |
| Wed 02:00 | 1.70 · high | 7.75 · high | 26.20 · good | poor |
| Wed 03:00 | 1.70 · high | 7.70 · high | 26.20 · good | poor |
| Wed 04:00 | 1.68 · high | 7.55 · high | 26.10 · good | poor |
| Wed 05:00 | 1.66 · high | 7.32 · high | 26.10 · good | poor |
| Wed 06:00 | 1.64 · high | 7.19 · high | 26.10 · good | poor |
| Wed 07:00 | 1.62 · high | 7.16 · high | 26.10 · good | poor |
| Wed 08:00 | 1.60 · high | 7.13 · high | 26.10 · good | poor |
| Wed 09:00 | 1.58 · high | 6.80 · high | 26.10 · good | poor |
| Wed 10:00 | 1.56 · high | 7.09 · high | 26.10 · good | poor |
| Wed 11:00 | 1.52 · high | 6.69 · high | 26.10 · good | poor |
| Wed 12:00 | 1.50 · high | 6.10 · high | 26.10 · good | poor |
| Wed 13:00 | 1.46 · high | 5.82 · high | 26.10 · good | poor |
| Wed 14:00 | 1.44 · high | 5.82 · high | 26.10 · good | poor |
| Wed 15:00 | 1.40 · high | 5.83 · high | 26.10 · good | poor |
| Wed 16:00 | 1.42 · high | 6.10 · high | 26.10 · good | fair |
| Wed 17:00 | 1.42 · high | 6.51 · high | 26.10 · good | fair |
| Wed 18:00 | 1.44 · high | 6.97 · high | 26.10 · good | fair |
| Wed 19:00 | 1.46 · high | 6.89 · high | 26.10 · good | fair |
| Wed 20:00 | 1.48 · high | 7.04 · high | 26.10 · good | fair |
| Wed 21:00 | 1.50 · high | 7.15 · high | 26.10 · good | fair |
| Wed 22:00 | 1.52 · high | 6.98 · high | 26.20 · good | fair |
| Wed 23:00 | 1.54 · high | 6.71 · high | 26.20 · good | fair |
| Thu 00:00 | 1.56 · high | 6.58 · high | 26.20 · good | poor |
| Thu 01:00 | 1.56 · high | 6.66 · high | 26.20 · good | poor |
| Thu 02:00 | 1.54 · high | 6.91 · high | 26.30 · good | poor |
| Thu 03:00 | 1.54 · high | 6.91 · high | 26.30 · good | poor |
| Thu 04:00 | 1.54 · high | 6.99 · high | 26.30 · good | poor |
| Thu 05:00 | 1.54 · high | 6.76 · high | 26.30 · good | poor |
| Thu 06:00 | 1.54 · high | 6.69 · high | 26.30 · good | poor |
| Thu 07:00 | 1.54 · high | 6.90 · high | 26.30 · good | poor |
| Thu 08:00 | 1.52 · high | 6.85 · high | 26.30 · good | poor |