Tuesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 04:13 (HST) · Source: Snapshot
The skinny
Marginal Report Tue 04:19Hanauma Bay looks marginal today. The least-bad daylight window is around Tue 10:00, but waves is limiting the forecast.
Score: 4.9/10
Best time: Tue 10:00
Main risk: Waves
Best morning signal: Tue 10:00 (Fair).
Best afternoon signal: Tue 12:00 (Fair). Peak afternoon wind is about 5.2 m/s.
Best nearby spots
No safe window in the next 72 hours
Use the best-available section for the least-bad times.
Tuesday
⚠️ fair 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.
Tue 20:00, 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
Tue 14:00 – Fri 14:00 (HST)
Best snorkel score is 0.47 around Tue 06:00; 8 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 1.04m to 1.2m).
Wind is at or below 5.4m/s in 18/24 sampled hours (range 2.47 to 5.99m/s).
Tides range from 0.09m to 1.06m; 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 |
|---|---|---|---|---|
| Tue 14:00 | 1.16 · high | 3.99 · good | 26.00 · good | poor |
| Tue 15:00 | 1.14 · high | 3.93 · good | 26.00 · good | poor |
| Tue 16:00 | 1.14 · high | 4.29 · good | 26.00 · good | fair |
| Tue 17:00 | 1.14 · high | 4.81 · good | 26.00 · good | fair |
| Tue 18:00 | 1.14 · high | 4.90 · good | 26.00 · good | fair |
| Tue 19:00 | 1.16 · high | 5.11 · good | 26.00 · good | fair |
| Tue 20:00 | 1.16 · high | 5.35 · good | 26.10 · good | fair |
| Tue 21:00 | 1.18 · high | 5.53 · high | 26.10 · good | fair |
| Tue 22:00 | 1.18 · high | 5.39 · good | 26.20 · good | fair |
| Tue 23:00 | 1.20 · high | 5.70 · high | 26.20 · good | fair |
| Wed 00:00 | 1.20 · high | 5.97 · high | 26.30 · good | poor |
| Wed 01:00 | 1.20 · high | 5.99 · high | 26.30 · good | poor |
| Wed 02:00 | 1.20 · high | 5.85 · high | 26.30 · good | poor |
| Wed 03:00 | 1.20 · high | 5.66 · high | 26.30 · good | poor |
| Wed 04:00 | 1.20 · high | 5.30 · good | 26.30 · good | poor |
| Wed 05:00 | 1.20 · high | 4.87 · good | 26.20 · good | poor |
| Wed 06:00 | 1.20 · high | 4.66 · good | 26.20 · good | poor |
| Wed 07:00 | 1.12 · high | 4.41 · good | 26.20 · good | poor |
| Wed 08:00 | 1.10 · high | 4.32 · good | 26.20 · good | poor |
| Wed 09:00 | 1.10 · high | 4.28 · good | 26.20 · good | poor |
| Wed 10:00 | 1.08 · high | 4.22 · good | 26.20 · good | poor |
| Wed 11:00 | 1.06 · high | 4.11 · good | 26.10 · good | poor |
| Wed 12:00 | 1.04 · high | 3.45 · good | 26.10 · good | poor |
| Wed 13:00 | 1.04 · high | 2.47 · good | 26.10 · good | poor |
| Wed 14:00 | 1.04 · high | 1.87 · good | 26.10 · good | poor |
| Wed 15:00 | 1.04 · high | 1.55 · good | 26.10 · good | poor |
| Wed 16:00 | 1.04 · high | 1.50 · good | 26.10 · good | good |
| Wed 17:00 | 1.02 · high | 2.45 · good | 26.10 · good | fair |
| Wed 18:00 | 1.02 · high | 3.21 · good | 26.10 · good | fair |
| Wed 19:00 | 1.02 · high | 3.26 · good | 26.10 · good | fair |
| Wed 20:00 | 1.02 · high | 3.26 · good | 26.20 · good | fair |
| Wed 21:00 | 1.02 · high | 3.56 · good | 26.30 · good | fair |
| Wed 22:00 | 1.04 · high | 3.95 · good | 26.30 · good | fair |
| Wed 23:00 | 1.06 · high | 4.85 · good | 26.40 · good | fair |
| Thu 00:00 | 1.08 · high | 4.95 · good | 26.40 · good | poor |
| Thu 01:00 | 1.08 · high | 4.68 · good | 26.40 · good | poor |
| Thu 02:00 | 1.10 · high | 4.91 · good | 26.40 · good | poor |
| Thu 03:00 | 1.10 · high | 5.20 · good | 26.40 · good | poor |
| Thu 04:00 | 1.12 · high | 5.59 · high | 26.40 · good | poor |
| Thu 05:00 | 1.12 · high | 5.30 · good | 26.40 · good | poor |
| Thu 06:00 | 1.14 · high | 5.03 · good | 26.40 · good | poor |
| Thu 07:00 | 1.16 · high | 5.43 · high | 26.30 · good | poor |
| Thu 08:00 | 1.18 · high | 5.71 · high | 26.30 · good | poor |
| Thu 09:00 | 1.20 · high | 6.00 · high | 26.30 · good | poor |
| Thu 10:00 | 1.18 · high | 5.93 · high | 26.20 · good | poor |
| Thu 11:00 | 1.18 · high | 5.66 · high | 26.20 · good | poor |
| Thu 12:00 | 1.16 · high | 5.26 · good | 26.20 · good | poor |
| Thu 13:00 | 1.16 · high | 5.41 · high | 26.10 · good | poor |
| Thu 14:00 | 1.16 · high | 5.43 · high | 26.10 · good | poor |
| Thu 15:00 | 1.16 · high | 5.03 · good | 26.10 · good | poor |
| Thu 16:00 | 1.16 · high | 4.94 · good | 26.10 · good | poor |
| Thu 17:00 | 1.16 · high | 5.20 · good | 26.10 · good | fair |
| Thu 18:00 | 1.16 · high | 5.66 · high | 26.10 · good | poor |
| Thu 19:00 | 1.18 · high | 6.45 · high | 26.10 · good | poor |
| Thu 20:00 | 1.20 · high | 6.73 · high | 26.10 · good | fair |
| Thu 21:00 | 1.22 · high | 6.56 · high | 26.20 · good | fair |
| Thu 22:00 | 1.28 · high | 6.93 · high | 26.20 · good | fair |
| Thu 23:00 | 1.34 · high | 7.09 · high | 26.30 · good | poor |
| Fri 00:00 | 1.40 · high | 7.00 · high | 26.30 · good | poor |
| Fri 01:00 | 1.42 · high | 6.89 · high | 26.30 · good | poor |
| Fri 02:00 | 1.42 · high | 6.75 · high | 26.30 · good | poor |
| Fri 03:00 | 1.44 · high | 6.69 · high | 26.30 · good | poor |
| Fri 04:00 | 1.44 · high | 6.31 · high | 26.30 · good | poor |
| Fri 05:00 | 1.42 · high | 5.78 · high | 26.20 · good | poor |
| 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 |