Saturday
❌ Poor conditions
Main blocker: Waves
USA · Updated Sat 04:42 (HST) · Source: Snapshot
The skinny
Marginal Data updated Sat 04:42 (HST)Tunnels Beach looks marginal today. The least-bad daylight window is around Sat 11:00, but waves is limiting the forecast.
Poor · 2.7/10
Sat 10:00 (HST)
Poor · 3.5/10
Sat 11:00 (HST)
Fair · 3.8/10
Sun 12:00 (HST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: 3.5/10
Best time: Sat 11:00
Main risk: Waves
Best morning signal: Sat 11:00 (Poor).
Best afternoon signal: Sat 13:00 (Poor). Peak afternoon wind is about 6.7 m/s.
Best nearby spots later today
Weakest nearby later today
Read the Hawaii snorkeling guide for coast, access and best-month guidance.
AreaNorth Shore
DifficultyModerate
Best timeSummer mornings
ExposureNorth shore; avoid winter surf
ShoreOuter reef and sandy beach
No good model window in the next 72 hours
Use the best-available section for the least-bad times.
Saturday
❌ Poor conditions
Main blocker: Waves
Sunday
⚠️ Fair conditions
Main blocker: Waves
Monday
⚠️ Fair conditions
Main blocker: Waves
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Sat 12:00.
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: Sun 03:00
Sat 14:00, Sun 03:00, Mon 15:00
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
Sun 10:00 – Wed 10:00 (HST)
Best snorkel score is 0.39 around Mon 09:00; 6 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 1.54m to 1.66m).
Wind is at or below 5.4m/s in 21/24 sampled hours (range 3.93 to 5.73m/s).
Tides range from 0.39m to 0.84m; 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 |
|---|---|---|---|---|
| Sun 10:00 | 1.66 · high | 5.02 · good | 27.10 · good | Fair |
| Sun 11:00 | 1.66 · high | 5.22 · good | 27.20 · good | Poor |
| Sun 12:00 | 1.64 · high | 5.59 · high | 27.20 · good | Fair |
| Sun 13:00 | 1.64 · high | 5.69 · high | 27.30 · good | Fair |
| Sun 14:00 | 1.62 · high | 5.73 · high | 27.30 · good | Poor |
| Sun 15:00 | 1.60 · high | 5.35 · good | 27.30 · good | Poor |
| Sun 16:00 | 1.60 · high | 5.21 · good | 27.30 · good | Poor |
| Sun 17:00 | 1.58 · high | 4.89 · good | 27.20 · good | Poor |
| Sun 18:00 | 1.56 · high | 4.40 · good | 27.20 · good | Poor |
| Sun 19:00 | 1.56 · high | 4.17 · good | 27.20 · good | Poor |
| Sun 20:00 | 1.54 · high | 4.27 · good | 27.20 · good | Poor |
| Sun 21:00 | 1.54 · high | 4.12 · good | 27.20 · good | Poor |
| Sun 22:00 | 1.54 · high | 4.00 · good | 27.20 · good | Poor |
| Sun 23:00 | 1.54 · high | 3.93 · good | 27.10 · good | Poor |
| Mon 00:00 | 1.54 · high | 4.00 · good | 27.10 · good | Poor |
| Mon 01:00 | 1.56 · high | 4.15 · good | 27.10 · good | Poor |
| Mon 02:00 | 1.56 · high | 4.31 · good | 27.10 · good | Poor |
| Mon 03:00 | 1.56 · high | 4.30 · good | 27.10 · good | Poor |
| Mon 04:00 | 1.54 · high | 4.82 · good | 27.10 · good | Poor |
| Mon 05:00 | 1.62 · high | 4.90 · good | 27.10 · good | Poor |
| Mon 06:00 | 1.62 · high | 4.95 · good | 27.10 · good | Poor |
| Mon 07:00 | 1.62 · high | 4.80 · good | 27.10 · good | Fair |
| Mon 08:00 | 1.62 · high | 4.47 · good | 27.10 · good | Fair |
| Mon 09:00 | 1.60 · high | 4.96 · good | 27.20 · good | Fair |
| Mon 10:00 | 1.60 · high | 5.15 · good | 27.20 · good | Fair |
| Mon 11:00 | 1.58 · high | 5.40 · good | 27.20 · good | Fair |
| Mon 12:00 | 1.58 · high | 5.53 · high | 27.30 · good | Fair |
| Mon 13:00 | 1.58 · high | 5.52 · high | 27.30 · good | Fair |
| Mon 14:00 | 1.58 · high | 5.52 · high | 27.30 · good | Poor |
| Mon 15:00 | 1.56 · high | 5.34 · good | 27.30 · good | Poor |
| Mon 16:00 | 1.56 · high | 5.27 · good | 27.30 · good | Poor |
| Mon 17:00 | 1.54 · high | 4.84 · good | 27.30 · good | Poor |
| Mon 18:00 | 1.56 · high | 4.62 · good | 27.30 · good | Poor |
| Mon 19:00 | 1.56 · high | 4.31 · good | 27.20 · good | Poor |
| Mon 20:00 | 1.58 · high | 4.30 · good | 27.20 · good | Poor |
| Mon 21:00 | 1.60 · high | 4.30 · good | 27.20 · good | Poor |
| Mon 22:00 | 1.60 · high | 4.30 · good | 27.20 · good | Poor |
| Mon 23:00 | 1.62 · high | 4.20 · good | 27.20 · good | Poor |
| Tue 00:00 | 1.60 · high | 4.10 · good | 27.20 · good | Poor |
| Tue 01:00 | 1.56 · high | 3.91 · good | 27.10 · good | Poor |
| Tue 02:00 | 1.52 · high | 3.81 · good | 27.10 · good | Poor |
| Tue 03:00 | 1.52 · high | 4.10 · good | 27.10 · good | Poor |
| Tue 04:00 | 1.52 · high | 4.26 · good | 27.00 · good | Poor |
| Tue 05:00 | 1.52 · high | 4.31 · good | 27.00 · good | Poor |
| Tue 06:00 | 1.48 · high | 3.06 · good | 27.00 · good | Poor |
| Tue 07:00 | 1.48 · high | 3.56 · good | 27.00 · good | Fair |
| Tue 08:00 | 1.50 · high | 4.01 · good | 27.00 · good | Fair |
| Tue 09:00 | 1.50 · high | 4.42 · good | 27.00 · good | Fair |
| Tue 10:00 | 1.52 · high | 4.51 · good | 27.00 · good | Fair |
| Tue 11:00 | 1.52 · high | 4.79 · good | 27.10 · good | Fair |
| Tue 12:00 | 1.52 · high | 4.79 · good | 27.10 · good | Fair |
| Tue 13:00 | 1.50 · high | 4.70 · good | 27.10 · good | Fair |
| Tue 14:00 | 1.50 · high | 4.70 · good | 27.20 · good | Poor |
| Tue 15:00 | 1.48 · high | 4.61 · good | 27.20 · good | Poor |
| Tue 16:00 | 1.48 · high | 4.27 · good | 27.20 · good | Poor |
| Tue 17:00 | 1.46 · high | 3.93 · good | 27.20 · good | Poor |
| Tue 18:00 | 1.46 · high | 3.35 · good | 27.20 · good | Poor |
| Tue 19:00 | 1.44 · high | 2.71 · good | 27.20 · good | Poor |
| Tue 20:00 | 1.44 · high | 2.85 · good | 27.20 · good | Poor |
| Tue 21:00 | 1.42 · high | 2.92 · good | 27.20 · good | Poor |
| Tue 22:00 | 1.42 · high | 2.34 · good | 27.20 · good | Poor |
| Tue 23:00 | 1.40 · high | 2.40 · good | 27.20 · good | Poor |
| Wed 00:00 | 1.40 · high | 2.20 · good | 27.10 · good | Poor |
| Wed 01:00 | 1.40 · high | 2.67 · good | 27.10 · good | Poor |
| Wed 02:00 | 1.40 · high | 2.70 · good | 27.10 · good | Poor |
| Wed 03:00 | 1.42 · high | 2.58 · good | 27.10 · good | Poor |
| Wed 04:00 | 1.42 · high | 2.27 · good | 27.10 · good | Poor |
| Wed 05:00 | 1.44 · high | 2.27 · good | 27.10 · good | Poor |
| Wed 06:00 | 1.52 · high | 2.38 · good | 27.10 · good | Poor |
| Wed 07:00 | 1.54 · high | 3.10 · good | 27.10 · good | Poor |
| Wed 08:00 | 1.56 · high | 3.42 · good | 27.10 · good | Poor |
| Wed 09:00 | 1.58 · high | 3.50 · good | 27.10 · good | Poor |