Thursday
❌ poor conditions
Main blocker: Waves
USA · Updated Fri 03:23 (HST) · Source: Snapshot
The skinny
Marginal Report Thu 19:56Hanauma Bay looks marginal today. The least-bad daylight window is around Sat 07:00, but waves is limiting the forecast.
Score: 4.2/10
Best time: Sat 07:00
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.
Thursday
❌ poor conditions
Main blocker: Waves
Friday
⚠️ fair conditions
Main blocker: Waves
Saturday
⚠️ 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.
Fri 23:00, Mon 00:00
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
Wed 05:00 – Sat 05:00 (HST)
Best snorkel score is 0.0 around Tue 19:00; 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 1.32m to 1.56m).
Wind is at or below 5.4m/s in 0/24 sampled hours (range 20.4 to 28.2m/s).
Tides range from 0.24m to 0.78m; 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 |
|---|---|---|---|---|
| Wed 05:00 | 1.32 · high | 20.90 · high | 26.80 · good | poor |
| Wed 06:00 | 1.34 · high | 21.00 · high | 26.80 · good | poor |
| Wed 07:00 | 1.34 · high | 20.40 · high | 26.80 · good | poor |
| Wed 08:00 | 1.36 · high | 22.30 · high | 26.70 · good | poor |
| Wed 09:00 | 1.36 · high | 23.30 · high | 26.70 · good | poor |
| Wed 10:00 | 1.36 · high | 23.40 · high | 26.70 · good | poor |
| Wed 11:00 | 1.36 · high | 22.60 · high | 26.70 · good | poor |
| Wed 12:00 | 1.36 · high | 23.20 · high | 26.70 · good | poor |
| Wed 13:00 | 1.36 · high | 24.10 · high | 26.70 · good | poor |
| Wed 14:00 | 1.38 · high | 22.20 · high | 26.70 · good | poor |
| Wed 15:00 | 1.40 · high | 23.40 · high | 26.70 · good | poor |
| Wed 16:00 | 1.42 · high | 23.00 · high | 26.60 · good | poor |
| Wed 17:00 | 1.42 · high | 23.10 · high | 26.60 · good | poor |
| Wed 18:00 | 1.44 · high | 24.20 · high | 26.60 · good | poor |
| Wed 19:00 | 1.46 · high | 24.20 · high | 26.60 · good | poor |
| Wed 20:00 | 1.46 · high | 25.30 · high | 26.70 · good | poor |
| Wed 21:00 | 1.48 · high | 26.40 · high | 26.70 · good | poor |
| Wed 22:00 | 1.50 · high | 26.90 · high | 26.70 · good | poor |
| Wed 23:00 | 1.52 · high | 25.90 · high | 26.80 · good | poor |
| Thu 00:00 | 1.54 · high | 26.60 · high | 26.80 · good | poor |
| Thu 01:00 | 1.54 · high | 28.10 · high | 26.80 · good | poor |
| Thu 02:00 | 1.56 · high | 28.20 · high | 26.80 · good | poor |
| Thu 03:00 | 1.56 · high | 27.50 · high | 26.80 · good | poor |
| Thu 04:00 | 1.56 · high | 27.00 · high | 26.80 · good | poor |
| Thu 05:00 | 1.56 · high | 25.60 · high | 26.70 · good | poor |
| Thu 06:00 | 1.56 · high | 25.70 · high | 26.70 · good | poor |
| Thu 07:00 | 1.56 · high | 25.40 · high | 26.70 · good | poor |
| Thu 08:00 | 1.58 · high | 25.60 · high | 26.70 · good | poor |
| Thu 09:00 | 1.58 · high | 25.60 · high | 26.70 · good | poor |
| Thu 10:00 | 1.58 · high | 24.90 · high | 26.70 · good | poor |
| Thu 11:00 | 1.56 · high | 24.30 · high | 26.60 · good | poor |
| Thu 12:00 | 1.56 · high | 23.10 · high | 26.60 · good | poor |
| Thu 13:00 | 1.54 · high | 22.30 · high | 26.60 · good | poor |
| Thu 14:00 | 1.54 · high | 22.50 · high | 26.60 · good | poor |
| Thu 15:00 | 1.52 · high | 22.20 · high | 26.60 · good | poor |
| Thu 16:00 | 1.52 · high | 21.60 · high | 26.60 · good | poor |
| Thu 17:00 | 1.50 · high | 22.70 · high | 26.60 · good | poor |
| Thu 18:00 | 1.50 · high | 23.40 · high | 26.60 · good | poor |
| Thu 19:00 | 1.50 · high | 22.80 · high | 26.60 · good | poor |
| Thu 20:00 | 1.50 · high | 23.90 · high | 26.60 · good | poor |
| Thu 21:00 | 1.50 · high | 24.00 · high | 26.60 · good | poor |
| Thu 22:00 | 1.52 · high | 23.30 · high | 26.60 · good | poor |
| Thu 23:00 | 1.54 · high | 23.10 · high | 26.70 · good | poor |
| Fri 00:00 | 1.56 · high | 23.30 · high | 26.70 · good | poor |
| Fri 01:00 | 1.58 · high | 23.60 · high | 26.70 · good | poor |
| Fri 02:00 | 1.60 · high | 24.10 · high | 26.70 · good | poor |
| Fri 03:00 | 1.62 · high | 22.20 · high | 26.70 · good | poor |
| Fri 04:00 | 1.60 · high | 22.50 · high | 26.70 · good | poor |
| Fri 05:00 | 1.60 · high | 22.40 · high | 26.60 · good | poor |
| Fri 06:00 | 1.58 · high | 22.80 · high | 26.60 · good | poor |
| Fri 07:00 | 1.58 · high | 26.50 · high | 26.60 · good | poor |
| Fri 08:00 | 1.56 · high | 27.70 · high | 26.60 · good | poor |
| Fri 09:00 | 1.56 · high | 26.60 · high | 26.60 · good | poor |
| Fri 10:00 | 1.52 · high | 24.30 · high | 26.60 · good | poor |
| Fri 11:00 | 1.50 · high | 22.20 · high | 26.50 · good | poor |
| Fri 12:00 | 1.46 · high | 19.50 · high | 26.50 · good | poor |
| Fri 13:00 | 1.44 · high | 18.80 · high | 26.50 · good | poor |
| Fri 14:00 | 1.42 · high | 19.00 · high | 26.50 · good | poor |
| Fri 15:00 | 1.40 · high | 20.20 · high | 26.50 · good | poor |
| Fri 16:00 | 1.42 · high | 20.50 · high | 26.50 · good | poor |
| Fri 17:00 | 1.44 · high | 23.70 · high | 26.50 · good | poor |
| Fri 18:00 | 1.46 · high | 24.90 · high | 26.50 · good | poor |
| Fri 19:00 | 1.48 · high | 25.50 · high | 26.50 · good | poor |
| Fri 20:00 | 1.52 · high | 25.10 · high | 26.50 · good | poor |
| Fri 21:00 | 1.54 · high | 25.10 · high | 26.50 · good | poor |
| Fri 22:00 | 1.56 · high | 24.30 · high | 26.50 · good | poor |
| Fri 23:00 | 1.56 · high | 22.80 · high | 26.50 · good | poor |
| Sat 00:00 | 1.58 · high | 22.60 · high | 26.50 · good | poor |
| Sat 01:00 | 1.58 · high | 23.60 · high | 26.50 · good | poor |
| Sat 02:00 | 1.56 · high | 23.90 · high | 26.50 · good | poor |
| Sat 03:00 | 1.56 · high | 23.30 · high | 26.50 · good | poor |
| Sat 04:00 | 1.56 · high | 22.70 · high | 26.50 · good | poor |