Wednesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Wed 00:49Hanauma 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 06:00 (Fair).
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 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
Sun 10:00 – Wed 10:00 (HST)
Best snorkel score is 0.32 around Sun 13:00; 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 1.4m to 1.58m).
Wind is at or below 5.4m/s in 0/24 sampled hours (range 18.6 to 27.0m/s).
Tides range from 0.29m to 0.75m; 1 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 10:00 | 1.40 · high | 20.10 · high | 26.40 · good | poor |
| Sun 11:00 | 1.42 · high | 19.20 · high | 26.40 · good | poor |
| Sun 12:00 | 1.42 · high | 19.20 · high | 26.40 · good | poor |
| Sun 13:00 | 1.42 · high | 18.70 · high | 26.40 · good | poor |
| Sun 14:00 | 1.42 · high | 18.60 · high | 26.40 · good | poor |
| Sun 15:00 | 1.42 · high | 19.40 · high | 26.30 · good | poor |
| Sun 16:00 | 1.44 · high | 19.40 · high | 26.30 · good | poor |
| Sun 17:00 | 1.48 · high | 21.10 · high | 26.30 · good | poor |
| Sun 18:00 | 1.50 · high | 22.90 · high | 26.30 · good | poor |
| Sun 19:00 | 1.52 · high | 23.60 · high | 26.30 · good | poor |
| Sun 20:00 | 1.52 · high | 24.30 · high | 26.30 · good | poor |
| Sun 21:00 | 1.54 · high | 24.00 · high | 26.40 · good | poor |
| Sun 22:00 | 1.54 · high | 24.30 · high | 26.40 · good | poor |
| Sun 23:00 | 1.56 · high | 24.70 · high | 26.40 · good | poor |
| Mon 00:00 | 1.56 · high | 25.90 · high | 26.40 · good | poor |
| Mon 01:00 | 1.56 · high | 26.10 · high | 26.40 · good | poor |
| Mon 02:00 | 1.58 · high | 27.00 · high | 26.40 · good | poor |
| Mon 03:00 | 1.58 · high | 26.70 · high | 26.40 · good | poor |
| Mon 04:00 | 1.58 · high | 26.80 · high | 26.30 · good | poor |
| Mon 05:00 | 1.56 · high | 25.60 · high | 26.30 · good | poor |
| Mon 06:00 | 1.56 · high | 25.40 · high | 26.30 · good | poor |
| Mon 07:00 | 1.56 · high | 25.30 · high | 26.30 · good | poor |
| Mon 08:00 | 1.58 · high | 24.70 · high | 26.30 · good | poor |
| 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 |