Tuesday
❌ poor conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot
The skinny
Marginal Report Tue 17:56Hanauma 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
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.
Tuesday
❌ poor conditions
Main blocker: Waves
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 drift risk now.
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
Thu 03:00 – Sun 03:00 (HST)
Best snorkel score is 0.46 around Thu 13:00; 7 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 1.52m to 1.68m).
Wind is at or below 5.4m/s in 0/24 sampled hours (range 5.75 to 7.49m/s).
Tides range from 0.22m to 0.83m; 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 |
|---|---|---|---|---|
| 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 |
| Thu 09:00 | 1.66 · high | 7.49 · high | 26.30 · good | poor |
| Thu 10:00 | 1.64 · high | 7.28 · high | 26.30 · good | poor |
| Thu 11:00 | 1.60 · high | 6.97 · high | 26.30 · good | poor |
| Thu 12:00 | 1.58 · high | 6.69 · high | 26.30 · good | poor |
| Thu 13:00 | 1.56 · high | 6.26 · high | 26.30 · good | poor |
| Thu 14:00 | 1.56 · high | 6.12 · high | 26.30 · good | poor |
| Thu 15:00 | 1.54 · high | 5.75 · high | 26.20 · good | poor |
| Thu 16:00 | 1.56 · high | 5.88 · high | 26.20 · good | fair |
| Thu 17:00 | 1.56 · high | 6.31 · high | 26.20 · good | fair |
| Thu 18:00 | 1.58 · high | 6.55 · high | 26.20 · good | poor |
| Thu 19:00 | 1.60 · high | 6.55 · high | 26.20 · good | fair |
| Thu 20:00 | 1.60 · high | 6.82 · high | 26.30 · good | fair |
| Thu 21:00 | 1.62 · high | 7.11 · high | 26.30 · good | fair |
| Thu 22:00 | 1.64 · high | 7.06 · high | 26.30 · good | fair |
| Thu 23:00 | 1.64 · high | 6.97 · high | 26.40 · good | fair |
| Fri 00:00 | 1.66 · high | 7.04 · high | 26.40 · good | poor |
| Fri 01:00 | 1.68 · high | 6.71 · high | 26.40 · good | poor |
| Fri 02:00 | 1.68 · high | 6.83 · high | 26.40 · good | poor |
| Fri 03:00 | 1.70 · high | 7.34 · high | 26.40 · good | poor |
| Fri 04:00 | 1.70 · high | 7.19 · high | 26.40 · good | poor |
| Fri 05:00 | 1.68 · high | 6.97 · high | 26.40 · good | poor |
| Fri 06:00 | 1.68 · high | 7.24 · high | 26.40 · good | poor |
| Fri 07:00 | 1.66 · high | 7.66 · high | 26.40 · good | poor |
| Fri 08:00 | 1.62 · high | 7.73 · high | 26.40 · good | poor |
| Fri 09:00 | 1.60 · high | 7.58 · high | 26.40 · good | poor |
| Fri 10:00 | 1.58 · high | 7.25 · high | 26.40 · good | poor |
| Fri 11:00 | 1.56 · high | 7.34 · high | 26.40 · good | poor |
| Fri 12:00 | 1.54 · high | 7.04 · high | 26.40 · good | poor |
| Fri 13:00 | 1.54 · high | 6.88 · high | 26.40 · good | poor |
| Fri 14:00 | 1.52 · high | 6.16 · high | 26.30 · good | poor |
| Fri 15:00 | 1.52 · high | 6.06 · high | 26.30 · good | poor |
| Fri 16:00 | 1.54 · high | 5.84 · high | 26.30 · good | fair |
| Fri 17:00 | 1.56 · high | 7.01 · high | 26.30 · good | poor |
| Fri 18:00 | 1.58 · high | 7.45 · high | 26.30 · good | poor |
| Fri 19:00 | 1.62 · high | 7.79 · high | 26.30 · good | poor |
| Fri 20:00 | 1.64 · high | 7.97 · high | 26.30 · good | poor |
| Fri 21:00 | 1.68 · high | 8.17 · high | 26.30 · good | poor |
| Fri 22:00 | 1.68 · high | 8.31 · high | 26.30 · good | poor |
| Fri 23:00 | 1.70 · high | 8.22 · high | 26.30 · good | poor |
| Sat 00:00 | 1.70 · high | 8.39 · high | 26.30 · good | poor |
| Sat 01:00 | 1.70 · high | 8.37 · high | 26.30 · good | poor |
| Sat 02:00 | 1.68 · high | 8.25 · high | 26.30 · good | poor |
| Sat 03:00 | 1.68 · high | 8.14 · high | 26.30 · good | poor |
| Sat 04:00 | 1.68 · high | 8.10 · high | 26.20 · good | poor |
| Sat 05:00 | 1.66 · high | 7.69 · high | 26.20 · good | poor |
| Sat 06:00 | 1.66 · high | 7.68 · high | 26.20 · good | poor |
| Sat 07:00 | 1.64 · high | 7.32 · high | 26.20 · good | poor |
| Sat 08:00 | 1.64 · high | 7.00 · high | 26.20 · good | poor |
| Sat 09:00 | 1.62 · high | 6.78 · high | 26.20 · good | poor |
| Sat 10:00 | 1.60 · high | 6.73 · high | 26.20 · good | poor |
| Sat 11:00 | 1.60 · high | 6.80 · high | 26.10 · good | poor |
| Sat 12:00 | 1.58 · high | 6.66 · high | 26.10 · good | poor |
| Sat 13:00 | 1.58 · high | 6.78 · high | 26.10 · good | poor |
| Sat 14:00 | 1.56 · high | 6.79 · high | 26.10 · good | poor |
| Sat 15:00 | 1.56 · high | 7.18 · high | 26.10 · good | poor |
| Sat 16:00 | 1.56 · high | 7.17 · high | 26.10 · good | fair |
| Sat 17:00 | 1.54 · high | 7.33 · high | 26.10 · good | fair |
| Sat 18:00 | 1.54 · high | 7.70 · high | 26.10 · good | poor |
| Sat 19:00 | 1.56 · high | 8.01 · high | 26.10 · good | poor |
| Sat 20:00 | 1.60 · high | 8.14 · high | 26.20 · good | poor |
| Sat 21:00 | 1.62 · high | 8.07 · high | 26.20 · good | poor |
| Sat 22:00 | 1.64 · high | 8.14 · high | 26.20 · good | poor |
| Sat 23:00 | 1.64 · high | 8.22 · high | 26.20 · good | poor |
| Sun 00:00 | 1.66 · high | 7.98 · high | 26.20 · good | poor |
| Sun 01:00 | 1.66 · high | 8.15 · high | 26.20 · good | poor |
| Sun 02:00 | 1.64 · high | 8.20 · high | 26.20 · good | poor |