Saturday
❌ poor conditions
Main blocker: Waves
USA · Updated Sat 05:02 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Sat 20:03Hanauma Bay looks marginal today. The least-bad daylight window is around Mon 10:00, but waves is limiting the forecast.
Score: 3.8/10
Best time: Mon 10:00
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.
Saturday
❌ poor conditions
Main blocker: Waves
Sunday
⚠️ fair conditions
Main blocker: Waves
Monday
⚠️ 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 Sun 02:00.
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.
Next early morning high tide: Sun 17:00
Sun 17:00, Mon 04:00
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 06:00 – Mon 06:00 (HST)
Best snorkel score is 0.44 around Fri 11:00; 4 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 1.36m to 1.42m).
Wind is at or below 5.4m/s in 1/24 sampled hours (range 5.06 to 6.56m/s).
Tides range from 0.27m to 0.88m; 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 06:00 | 1.42 · high | 5.98 · high | 26.20 · good | poor |
| Fri 07:00 | 1.42 · high | 6.22 · high | 26.20 · good | poor |
| Fri 08:00 | 1.42 · high | 6.13 · high | 26.20 · good | poor |
| Fri 09:00 | 1.42 · high | 6.17 · high | 26.20 · good | poor |
| Fri 10:00 | 1.40 · high | 6.24 · high | 26.10 · good | poor |
| Fri 11:00 | 1.40 · high | 5.92 · high | 26.10 · good | poor |
| Fri 12:00 | 1.38 · high | 5.97 · high | 26.10 · good | poor |
| Fri 13:00 | 1.38 · high | 6.13 · high | 26.10 · good | poor |
| Fri 14:00 | 1.36 · high | 5.82 · high | 26.00 · good | poor |
| Fri 15:00 | 1.36 · high | 5.06 · good | 26.00 · good | poor |
| Fri 16:00 | 1.36 · high | 5.57 · high | 26.00 · good | poor |
| Fri 17:00 | 1.36 · high | 5.67 · high | 26.00 · good | poor |
| Fri 18:00 | 1.36 · high | 6.11 · high | 26.00 · good | poor |
| Fri 19:00 | 1.38 · high | 6.56 · high | 26.00 · good | poor |
| Fri 20:00 | 1.38 · high | 6.50 · high | 26.00 · good | fair |
| Fri 21:00 | 1.40 · high | 6.18 · high | 26.00 · good | fair |
| Fri 22:00 | 1.40 · high | 6.24 · high | 26.10 · good | fair |
| Fri 23:00 | 1.40 · high | 5.87 · high | 26.10 · good | fair |
| Sat 00:00 | 1.40 · high | 5.94 · high | 26.10 · good | poor |
| Sat 01:00 | 1.40 · high | 5.84 · high | 26.10 · good | poor |
| Sat 02:00 | 1.40 · high | 5.99 · high | 26.10 · good | poor |
| Sat 03:00 | 1.40 · high | 6.01 · high | 26.10 · good | poor |
| Sat 04:00 | 1.40 · high | 5.86 · high | 26.10 · good | poor |
| Sat 05:00 | 1.38 · high | 5.87 · high | 26.10 · good | poor |
| Sat 06:00 | 1.46 · high | 6.24 · high | 26.10 · good | poor |
| Sat 07:00 | 1.46 · high | 6.31 · high | 26.10 · good | poor |
| Sat 08:00 | 1.48 · high | 6.26 · high | 26.10 · good | poor |
| Sat 09:00 | 1.48 · high | 6.40 · high | 26.00 · good | poor |
| Sat 10:00 | 1.50 · high | 6.22 · high | 26.00 · good | poor |
| Sat 11:00 | 1.50 · high | 6.30 · high | 26.00 · good | poor |
| Sat 12:00 | 1.52 · high | 6.11 · high | 26.00 · good | poor |
| Sat 13:00 | 1.52 · high | 6.36 · high | 26.00 · good | poor |
| Sat 14:00 | 1.54 · high | 6.50 · high | 26.00 · good | poor |
| Sat 15:00 | 1.54 · high | 6.72 · high | 26.00 · good | poor |
| Sat 16:00 | 1.54 · high | 6.79 · high | 26.00 · good | fair |
| Sat 17:00 | 1.56 · high | 7.24 · high | 26.00 · good | poor |
| Sat 18:00 | 1.56 · high | 6.94 · high | 26.00 · good | fair |
| Sat 19:00 | 1.58 · high | 7.18 · high | 26.00 · good | fair |
| Sat 20:00 | 1.62 · high | 8.03 · high | 26.00 · good | fair |
| Sat 21:00 | 1.64 · high | 8.02 · high | 26.00 · good | fair |
| Sat 22:00 | 1.68 · high | 7.04 · high | 26.10 · good | poor |
| Sat 23:00 | 1.70 · high | 6.78 · high | 26.10 · good | poor |
| Sun 00:00 | 1.74 · high | 6.48 · high | 26.10 · good | poor |
| Sun 01:00 | 1.74 · high | 6.79 · high | 26.10 · good | poor |
| Sun 02:00 | 1.72 · high | 6.94 · high | 26.10 · good | poor |
| Sun 03:00 | 1.72 · high | 6.87 · high | 26.10 · good | poor |
| Sun 04:00 | 1.70 · high | 6.80 · high | 26.10 · good | poor |
| Sun 05:00 | 1.70 · high | 6.60 · high | 26.10 · good | poor |
| Sun 06:00 | 1.68 · high | 6.40 · high | 26.10 · good | poor |
| Sun 07:00 | 1.66 · high | 6.35 · high | 26.10 · good | poor |
| Sun 08:00 | 1.66 · high | 6.33 · high | 26.10 · good | poor |
| Sun 09:00 | 1.64 · high | 6.17 · high | 26.10 · good | poor |
| Sun 10:00 | 1.62 · high | 6.28 · high | 26.10 · good | poor |
| Sun 11:00 | 1.58 · high | 6.47 · high | 26.10 · good | poor |
| Sun 12:00 | 1.56 · high | 6.30 · high | 26.10 · good | poor |
| Sun 13:00 | 1.54 · high | 5.95 · high | 26.10 · good | poor |
| Sun 14:00 | 1.52 · high | 5.67 · high | 26.10 · good | poor |
| Sun 15:00 | 1.50 · high | 5.47 · high | 26.10 · good | poor |
| Sun 16:00 | 1.50 · high | 5.21 · good | 26.10 · good | fair |
| Sun 17:00 | 1.50 · high | 5.55 · high | 26.10 · good | poor |
| Sun 18:00 | 1.50 · high | 5.66 · high | 26.10 · good | poor |
| Sun 19:00 | 1.52 · high | 6.11 · high | 26.10 · good | poor |
| Sun 20:00 | 1.52 · high | 6.21 · high | 26.10 · good | poor |
| Sun 21:00 | 1.54 · high | 6.10 · high | 26.20 · good | fair |
| Sun 22:00 | 1.56 · high | 5.85 · high | 26.20 · good | fair |
| Sun 23:00 | 1.56 · high | 6.01 · high | 26.30 · good | poor |
| Mon 00:00 | 1.58 · high | 6.27 · high | 26.30 · good | poor |
| Mon 01:00 | 1.58 · high | 6.44 · high | 26.30 · good | poor |
| Mon 02:00 | 1.58 · high | 6.55 · high | 26.30 · good | poor |
| Mon 03:00 | 1.58 · high | 6.38 · high | 26.30 · good | poor |
| Mon 04:00 | 1.56 · high | 6.30 · high | 26.30 · good | poor |
| Mon 05:00 | 1.56 · high | 6.14 · high | 26.20 · good | poor |