Saturday
✅ Good conditions
Main blocker: Waves
MARINE REPORT / 72 HOURS
USA · Updated Sat 00:08 (HST) · Source: Snapshot
The skinny
Go in the best window Data updated Sat 00:08 (HST)Two Step Honaunau has a usable snorkeling window around Sat 07:00. The main thing to watch is waves.
Poor · 0.0/10
Sat 00:00 (HST)
Good · 5.9/10
Sat 09:00 (HST)
Good · 6.0/10
Mon 07:00 (HST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: 5.9/10
Best time: Sat 07:00
Main risk: Waves
Best morning signal: Sat 09:00 (Good).
Best afternoon signal: Sat 12:00 (Good). Peak afternoon wind is about 1.0 m/s.
Best nearby spots later today
Read the Hawaii snorkeling guide for coast, access and best-month guidance.
Good model window in the next 72 hours
Next good model window: Sat 07:00–12:00 (13% of the next 72h meets the model threshold)
Saturday
✅ Good conditions
Main blocker: Waves
Sunday
⚠️ Fair conditions
Main blocker: Waves
Monday
✅ Good conditions
Main blocker: Waves
The next good model window starts at Sat 07:00 and lasts until 12:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Sat 04:00.
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: Sat 08:00
Sat 08:00, Mon 00:00, Mon 11:00
Compare nearby spot forecasts for later today before choosing a beach.
Use the map to see where the compared spots sit. Open a card for the hourly forecast.
This is a location diagram, not a marine chart. Check the shore and local signs in person.
Viewing historical data
Wed 00:00 – Sat 00:00 (HST)
Best snorkel score is 0.59 around Wed 08:00; 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 0.98m to 1.14m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.1 to 1.43m/s).
Tides range from 0.34m to 0.98m; 0 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 00:00 | 0.98 · high | 0.39 · good | 28.00 · good | Poor |
| Wed 01:00 | 0.98 · high | 0.50 · good | 27.90 · good | Poor |
| Wed 02:00 | 0.98 · high | 0.52 · good | 27.90 · good | Poor |
| Wed 03:00 | 0.98 · high | 0.55 · good | 27.90 · good | Poor |
| Wed 04:00 | 1.00 · high | 0.56 · good | 27.90 · good | Poor |
| Wed 05:00 | 1.00 · high | 0.11 · good | 27.90 · good | Poor |
| Wed 06:00 | 1.04 · high | 0.10 · good | 27.80 · good | Poor |
| Wed 07:00 | 1.06 · high | 0.16 · good | 27.80 · good | Good |
| Wed 08:00 | 1.06 · high | 0.63 · good | 27.90 · good | Good |
| Wed 09:00 | 1.06 · high | 0.87 · good | 27.90 · good | Good |
| Wed 10:00 | 1.06 · high | 1.14 · good | 28.00 · good | Good |
| Wed 11:00 | 1.06 · high | 1.22 · good | 28.20 · good | Fair |
| Wed 12:00 | 1.08 · high | 1.43 · good | 28.30 · good | Fair |
| Wed 13:00 | 1.08 · high | 1.10 · good | 28.40 · good | Fair |
| Wed 14:00 | 1.10 · high | 1.28 · good | 28.40 · good | Poor |
| Wed 15:00 | 1.10 · high | 1.07 · good | 28.40 · good | Poor |
| Wed 16:00 | 1.12 · high | 0.55 · good | 28.40 · good | Poor |
| Wed 17:00 | 1.12 · high | 0.25 · good | 28.40 · good | Poor |
| Wed 18:00 | 1.12 · high | 0.25 · good | 28.30 · good | Poor |
| Wed 19:00 | 1.14 · high | 0.55 · good | 28.30 · good | Poor |
| Wed 20:00 | 1.14 · high | 0.96 · good | 28.20 · good | Poor |
| Wed 21:00 | 1.14 · high | 0.73 · good | 28.20 · good | Poor |
| Wed 22:00 | 1.14 · high | 0.51 · good | 28.10 · good | Poor |
| Wed 23:00 | 1.14 · high | 0.60 · good | 28.10 · good | Poor |
| Thu 00:00 | 1.14 · high | 0.50 · good | 28.00 · good | Poor |
| Thu 01:00 | 1.14 · high | 0.75 · good | 28.00 · good | Poor |
| Thu 02:00 | 1.14 · high | 0.27 · good | 27.90 · good | Poor |
| Thu 03:00 | 1.14 · high | 1.28 · good | 27.90 · good | Poor |
| Thu 04:00 | 1.14 · high | 1.27 · good | 27.90 · good | Poor |
| Thu 05:00 | 1.20 · high | 1.62 · good | 27.80 · good | Poor |
| Thu 06:00 | 1.20 · high | 1.46 · good | 27.80 · good | Poor |
| Thu 07:00 | 1.20 · high | 1.47 · good | 27.80 · good | Fair |
| Thu 08:00 | 1.20 · high | 1.29 · good | 27.90 · good | Good |
| Thu 09:00 | 1.20 · high | 0.74 · good | 28.00 · good | Fair |
| Thu 10:00 | 1.22 · high | 0.82 · good | 28.10 · good | Fair |
| Thu 11:00 | 1.22 · high | 1.48 · good | 28.30 · good | Fair |
| Thu 12:00 | 1.24 · high | 1.75 · good | 28.40 · good | Fair |
| Thu 13:00 | 1.26 · high | 1.52 · good | 28.50 · good | Fair |
| Thu 14:00 | 1.28 · high | 1.20 · good | 28.60 · good | Poor |
| Thu 15:00 | 1.28 · high | 0.96 · good | 28.60 · good | Poor |
| Thu 16:00 | 1.28 · high | 0.15 · good | 28.60 · good | Poor |
| Thu 17:00 | 1.28 · high | 1.17 · good | 28.60 · good | Poor |
| Thu 18:00 | 1.26 · high | 1.82 · good | 28.50 · good | Poor |
| Thu 19:00 | 1.26 · high | 1.33 · good | 28.40 · good | Poor |
| Thu 20:00 | 1.24 · high | 0.65 · good | 28.40 · good | Poor |
| Thu 21:00 | 1.22 · high | 0.69 · good | 28.30 · good | Poor |
| Thu 22:00 | 1.20 · high | 1.11 · good | 28.30 · good | Poor |
| Thu 23:00 | 1.18 · high | 0.97 · good | 28.20 · good | Poor |
| Fri 00:00 | 1.18 · high | 1.79 · good | 28.20 · good | Poor |
| Fri 01:00 | 1.26 · high | 1.96 · good | 28.10 · good | Poor |
| Fri 02:00 | 1.24 · high | 1.86 · good | 28.00 · good | Poor |
| Fri 03:00 | 1.22 · high | 1.12 · good | 28.00 · good | Poor |
| Fri 04:00 | 1.22 · high | 0.67 · good | 28.00 · good | Poor |
| Fri 05:00 | 1.20 · high | 0.67 · good | 27.90 · good | Poor |
| Fri 06:00 | 1.20 · high | 0.47 · good | 27.90 · good | Poor |
| Fri 07:00 | 1.22 · high | 0.27 · good | 27.90 · good | Good |
| Fri 08:00 | 1.20 · high | 0.53 · good | 28.00 · good | Good |
| Fri 09:00 | 1.20 · high | 0.83 · good | 28.10 · good | Fair |
| Fri 10:00 | 1.18 · high | 1.08 · good | 28.20 · good | Good |
| Fri 11:00 | 1.18 · high | 1.39 · good | 28.40 · good | Fair |
| Fri 12:00 | 1.18 · high | 1.26 · good | 28.50 · good | Fair |
| Fri 13:00 | 1.18 · high | 1.23 · good | 28.70 · good | Fair |
| Fri 14:00 | 1.18 · high | 1.14 · good | 28.70 · good | Poor |
| Fri 15:00 | 1.18 · high | 0.45 · good | 28.70 · good | Poor |
| Fri 16:00 | 1.18 · high | 0.85 · good | 28.70 · good | Poor |
| Fri 17:00 | 1.18 · high | 0.57 · good | 28.60 · good | Poor |
| Fri 18:00 | 1.18 · high | 0.98 · good | 28.50 · good | Poor |
| Fri 19:00 | 1.16 · high | 1.03 · good | 28.40 · good | Poor |
| Fri 20:00 | 1.16 · high | 0.92 · good | 28.40 · good | Poor |
| Fri 21:00 | 1.16 · high | 1.20 · good | 28.30 · good | Poor |
| Fri 22:00 | 1.16 · high | 1.28 · good | 28.30 · good | Poor |
| Fri 23:00 | 1.16 · high | 0.78 · good | 28.20 · good | Poor |