Thursday
✅ Good conditions
Main blocker: Waves
USA · Updated Thu 06:07 (HST) · Source: Snapshot
The skinny
Go in the best window Data updated Thu 06:07 (HST)Hawaii has a usable snorkeling window around Thu 07:00. The main thing to watch is waves.
Poor · 0.0/10
Thu 06:00 (HST)
Good · 6.1/10
Thu 08:00 (HST)
Good · 6.2/10
Fri 08:00 (HST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: 6.1/10
Best time: Thu 07:00
Main risk: Waves
Best morning signal: Thu 08:00 (Good).
Best afternoon signal: Thu 13:00 (Fair). Peak afternoon wind is about 1.7 m/s.
Later today looks usable around Thu 07:00. Check boat availability.
Best nearby spots later today
Weakest nearby later today
Also: Maui vs Big Island, Maui vs Oahu
Maui has the better snorkel report this week (5.3/10). Big Island is the weakest model call right now.
Good model window in the next 72 hours
Next good model window: Thu 07:00–08:00 (9% of the next 72h meets the model threshold)
Thursday
✅ Good conditions
Main blocker: Waves
Friday
✅ Good conditions
Main blocker: Waves
Saturday
⚠️ Fair conditions
Main blocker: Waves
The next good model window starts at Thu 07:00 and lasts until 08:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Thu 13:00.
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: Thu 07:00
Thu 07:00, Fri 08:00
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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
Thu 06:00 – Sun 06:00 (HST)
Best snorkel score is 0.34 around Thu 10:00; 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 0.76m to 1.18m).
Wind is at or below 5.4m/s in 1/24 sampled hours (range 5.1 to 8.34m/s).
Tides range from 0.33m to 0.95m; 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 06:00 | 0.76 · high | 6.33 · high | 28.00 · good | Poor |
| Thu 07:00 | 0.76 · high | 6.44 · high | 28.00 · good | Poor |
| Thu 08:00 | 0.76 · high | 6.37 · high | 28.00 · good | Poor |
| Thu 09:00 | 0.78 · high | 6.51 · high | 28.00 · good | Poor |
| Thu 10:00 | 0.78 · high | 6.11 · high | 28.00 · good | Poor |
| Thu 11:00 | 0.80 · high | 6.34 · high | 28.00 · good | Poor |
| Thu 12:00 | 0.82 · high | 6.56 · high | 28.10 · good | Poor |
| Thu 13:00 | 0.82 · high | 7.17 · high | 28.10 · good | Poor |
| Thu 14:00 | 0.96 · high | 6.03 · high | 28.10 · good | Poor |
| Thu 15:00 | 0.96 · high | 5.67 · high | 28.10 · good | Poor |
| Thu 16:00 | 0.98 · high | 5.10 · good | 28.00 · good | Poor |
| Thu 17:00 | 0.98 · high | 5.49 · high | 28.00 · good | Poor |
| Thu 18:00 | 0.98 · high | 5.89 · high | 28.00 · good | Poor |
| Thu 19:00 | 1.00 · high | 6.05 · high | 27.90 · good | Poor |
| Thu 20:00 | 1.00 · high | 6.19 · high | 27.90 · good | Poor |
| Thu 21:00 | 1.02 · high | 6.31 · high | 27.90 · good | Poor |
| Thu 22:00 | 1.04 · high | 5.74 · high | 27.90 · good | Poor |
| Thu 23:00 | 1.06 · high | 6.28 · high | 27.90 · good | Poor |
| Fri 00:00 | 1.08 · high | 5.95 · high | 27.80 · good | Poor |
| Fri 01:00 | 0.86 · high | 6.47 · high | 27.80 · good | Poor |
| Fri 02:00 | 0.88 · high | 6.67 · high | 27.80 · good | Poor |
| Fri 03:00 | 0.90 · high | 6.91 · high | 27.80 · good | Poor |
| Fri 04:00 | 1.12 · high | 7.40 · high | 27.80 · good | Poor |
| Fri 05:00 | 1.18 · high | 8.34 · high | 27.70 · good | Poor |
| Fri 06:00 | 1.20 · high | 8.15 · high | 27.70 · good | Poor |
| Fri 07:00 | 1.22 · high | 8.29 · high | 27.70 · good | Poor |
| Fri 08:00 | 1.24 · high | 8.47 · high | 27.70 · good | Poor |
| Fri 09:00 | 1.24 · high | 8.32 · high | 27.70 · good | Poor |
| Fri 10:00 | 1.26 · high | 8.24 · high | 27.80 · good | Poor |
| Fri 11:00 | 1.26 · high | 8.25 · high | 27.80 · good | Poor |
| Fri 12:00 | 1.26 · high | 8.39 · high | 27.80 · good | Poor |
| Fri 13:00 | 1.28 · high | 8.09 · high | 27.80 · good | Poor |
| Fri 14:00 | 1.28 · high | 8.86 · high | 27.80 · good | Poor |
| Fri 15:00 | 1.28 · high | 9.66 · high | 27.80 · good | Poor |
| Fri 16:00 | 1.26 · high | 9.33 · high | 27.80 · good | Poor |
| Fri 17:00 | 1.26 · high | 9.83 · high | 27.80 · good | Poor |
| Fri 18:00 | 1.26 · high | 10.00 · high | 27.80 · good | Poor |
| Fri 19:00 | 1.26 · high | 10.66 · high | 27.80 · good | Poor |
| Fri 20:00 | 1.26 · high | 8.83 · high | 27.80 · good | Poor |
| Fri 21:00 | 1.28 · high | 9.88 · high | 27.80 · good | Poor |
| Fri 22:00 | 1.28 · high | 10.56 · high | 27.80 · good | Poor |
| Fri 23:00 | 1.30 · high | 10.58 · high | 27.70 · good | Poor |
| Sat 00:00 | 1.36 · high | 10.54 · high | 27.70 · good | Poor |
| Sat 01:00 | 1.40 · high | 10.41 · high | 27.70 · good | Poor |
| Sat 02:00 | 1.42 · high | 12.92 · high | 27.70 · good | Poor |
| Sat 03:00 | 1.60 · high | 11.53 · high | 27.70 · good | Poor |
| Sat 04:00 | 1.64 · high | 12.12 · high | 27.70 · good | Poor |
| Sat 05:00 | 1.70 · high | 11.93 · high | 27.70 · good | Poor |
| Sat 06:00 | 1.70 · high | 11.93 · high | 27.70 · good | Poor |
| Sat 07:00 | 1.70 · high | 11.82 · high | 27.70 · good | Poor |
| Sat 08:00 | 1.70 · high | 11.48 · high | 27.70 · good | Poor |
| Sat 09:00 | 1.70 · high | 11.07 · high | 27.70 · good | Poor |
| Sat 10:00 | 1.70 · high | 10.46 · high | 27.70 · good | Poor |
| Sat 11:00 | 1.70 · high | 11.05 · high | 27.70 · good | Poor |
| Sat 12:00 | 1.70 · high | 9.85 · high | 27.70 · good | Poor |
| Sat 13:00 | 1.68 · high | 9.21 · high | 27.70 · good | Poor |
| Sat 14:00 | 1.68 · high | 10.77 · high | 27.70 · good | Poor |
| Sat 15:00 | 1.68 · high | 9.95 · high | 27.70 · good | Poor |
| Sat 16:00 | 1.68 · high | 9.91 · high | 27.70 · good | Poor |
| Sat 17:00 | 1.68 · high | 9.12 · high | 27.70 · good | Poor |
| Sat 18:00 | 1.66 · high | 9.01 · high | 27.70 · good | Poor |
| Sat 19:00 | 1.64 · high | 8.68 · high | 27.70 · good | Poor |
| Sat 20:00 | 1.62 · high | 8.68 · high | 27.70 · good | Poor |
| Sat 21:00 | 1.60 · high | 7.75 · high | 27.70 · good | Poor |
| Sat 22:00 | 1.60 · high | 7.84 · high | 27.70 · good | Poor |
| Sat 23:00 | 1.58 · high | 7.72 · high | 27.70 · good | Poor |
| Sun 00:00 | 1.54 · high | 7.71 · high | 27.60 · good | Poor |
| Sun 01:00 | 1.70 · high | 6.35 · high | 27.60 · good | Poor |
| Sun 02:00 | 1.46 · high | 6.57 · high | 27.60 · good | Poor |
| Sun 03:00 | 1.46 · high | 6.22 · high | 27.60 · good | Poor |
| Sun 04:00 | 1.48 · high | 6.06 · high | 27.60 · good | Poor |
| Sun 05:00 | 1.48 · high | 5.82 · high | 27.60 · good | Poor |