Wednesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Wed 04:02Hanauma 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
Fri 14:00 – Mon 14:00 (HST)
Best snorkel score is 0.31 around Fri 08:00; 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 15.3 to 24.3m/s).
Tides range from 0.22m to 0.86m; 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 |
|---|---|---|---|---|
| Fri 14:00 | 1.32 · high | 17.70 · high | 26.40 · good | poor |
| Fri 15:00 | 1.30 · high | 16.40 · high | 26.40 · good | poor |
| Fri 16:00 | 1.30 · high | 15.30 · high | 26.40 · good | poor |
| Fri 17:00 | 1.28 · high | 15.30 · high | 26.40 · good | poor |
| Fri 18:00 | 1.28 · high | 17.40 · high | 26.40 · good | poor |
| Fri 19:00 | 1.28 · high | 19.00 · high | 26.40 · good | poor |
| Fri 20:00 | 1.30 · high | 19.60 · high | 26.50 · good | poor |
| Fri 21:00 | 1.30 · high | 21.20 · high | 26.50 · good | poor |
| Fri 22:00 | 1.32 · high | 22.30 · high | 26.60 · good | poor |
| Fri 23:00 | 1.32 · high | 22.80 · high | 26.60 · good | poor |
| Sat 00:00 | 1.34 · high | 23.10 · high | 26.60 · good | poor |
| Sat 01:00 | 1.36 · high | 23.10 · high | 26.60 · good | poor |
| Sat 02:00 | 1.36 · high | 23.90 · high | 26.60 · good | poor |
| Sat 03:00 | 1.38 · high | 24.20 · high | 26.60 · good | poor |
| Sat 04:00 | 1.40 · high | 24.30 · high | 26.60 · good | poor |
| Sat 05:00 | 1.44 · high | 23.50 · high | 26.50 · good | poor |
| Sat 06:00 | 1.46 · high | 23.00 · high | 26.50 · good | poor |
| Sat 07:00 | 1.46 · high | 22.40 · high | 26.50 · good | poor |
| Sat 08:00 | 1.46 · high | 22.60 · high | 26.50 · good | poor |
| Sat 09:00 | 1.46 · high | 22.20 · high | 26.50 · good | poor |
| Sat 10:00 | 1.44 · high | 21.80 · high | 26.50 · good | poor |
| Sat 11:00 | 1.44 · high | 21.70 · high | 26.40 · good | poor |
| Sat 12:00 | 1.42 · high | 21.40 · high | 26.40 · good | poor |
| Sat 13:00 | 1.42 · high | 21.40 · high | 26.40 · good | poor |
| Sat 14:00 | 1.40 · high | 21.60 · high | 26.40 · good | poor |
| Sat 15:00 | 1.40 · high | 21.70 · high | 26.40 · good | poor |
| Sat 16:00 | 1.40 · high | 22.10 · high | 26.40 · good | poor |
| Sat 17:00 | 1.40 · high | 22.50 · high | 26.40 · good | poor |
| Sat 18:00 | 1.40 · high | 24.00 · high | 26.40 · good | poor |
| Sat 19:00 | 1.40 · high | 24.50 · high | 26.40 · good | poor |
| Sat 20:00 | 1.42 · high | 25.50 · high | 26.40 · good | poor |
| Sat 21:00 | 1.42 · high | 25.10 · high | 26.50 · good | poor |
| Sat 22:00 | 1.42 · high | 24.90 · high | 26.50 · good | poor |
| Sat 23:00 | 1.42 · high | 24.30 · high | 26.50 · good | poor |
| Sun 00:00 | 1.42 · high | 24.00 · high | 26.50 · good | poor |
| Sun 01:00 | 1.42 · high | 23.70 · high | 26.50 · good | poor |
| Sun 02:00 | 1.42 · high | 23.90 · high | 26.50 · good | poor |
| Sun 03:00 | 1.42 · high | 23.50 · high | 26.50 · good | poor |
| Sun 04:00 | 1.42 · high | 23.00 · high | 26.50 · good | poor |
| Sun 05:00 | 1.42 · high | 21.50 · high | 26.40 · good | poor |
| Sun 06:00 | 1.42 · high | 21.50 · high | 26.40 · good | poor |
| Sun 07:00 | 1.42 · high | 22.00 · high | 26.40 · good | poor |
| Sun 08:00 | 1.40 · high | 21.60 · high | 26.40 · good | poor |
| Sun 09:00 | 1.40 · high | 21.00 · high | 26.40 · good | poor |
| 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 |