Saturday
❌ Poor conditions
Main blocker: Waves
USA · Updated Sat 18:48 (HST) · Source: Snapshot
The skinny
Poor Data updated Sat 18:48 (HST)Tunnels Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Sat 18:00 (HST)
No fresh data for this period.
Fair · 3.6/10
Tue 12:00 (HST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: 0.0/10
Best time: -
Main risk: Waves
No useful morning window is showing yet.
No useful afternoon window is showing yet.
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
❌ Poor 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 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.
Next early morning high tide: Sun 03:00
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
Sat 18:00 – Tue 18:00 (HST)
Best snorkel score is 0.38 around Sun 12:00; 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 1.92m to 2.08m).
Wind is at or below 5.4m/s in 23/24 sampled hours (range 2.61 to 5.57m/s).
Tides range from 0.33m to 0.93m; 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 |
|---|---|---|---|---|
| Sat 18:00 | 2.08 · high | 5.10 · good | 26.60 · good | Poor |
| Sat 19:00 | 2.06 · high | 4.05 · good | 26.60 · good | Poor |
| Sat 20:00 | 2.06 · high | 4.38 · good | 26.60 · good | Poor |
| Sat 21:00 | 2.04 · high | 4.05 · good | 26.60 · good | Poor |
| Sat 22:00 | 2.04 · high | 4.07 · good | 26.60 · good | Poor |
| Sat 23:00 | 2.02 · high | 4.20 · good | 26.60 · good | Poor |
| Sun 00:00 | 2.00 · high | 4.20 · good | 26.60 · good | Poor |
| Sun 01:00 | 1.92 · high | 3.83 · good | 26.90 · good | Poor |
| Sun 02:00 | 1.92 · high | 3.73 · good | 26.90 · good | Poor |
| Sun 03:00 | 1.92 · high | 3.17 · good | 26.90 · good | Poor |
| Sun 04:00 | 1.92 · high | 3.16 · good | 26.90 · good | Poor |
| Sun 05:00 | 1.92 · high | 3.31 · good | 26.90 · good | Poor |
| Sun 06:00 | 1.94 · high | 3.75 · good | 26.90 · good | Poor |
| Sun 07:00 | 1.98 · high | 2.61 · good | 26.90 · good | Fair |
| Sun 08:00 | 2.00 · high | 5.10 · good | 26.90 · good | Poor |
| Sun 09:00 | 2.00 · high | 5.20 · good | 26.90 · good | Fair |
| Sun 10:00 | 2.00 · high | 5.26 · good | 27.00 · good | Fair |
| Sun 11:00 | 2.00 · high | 5.57 · high | 27.00 · good | Fair |
| Sun 12:00 | 2.00 · high | 4.62 · good | 27.00 · good | Fair |
| Sun 13:00 | 1.98 · high | 4.75 · good | 27.10 · good | Fair |
| Sun 14:00 | 1.98 · high | 5.04 · good | 27.10 · good | Poor |
| Sun 15:00 | 1.96 · high | 4.90 · good | 27.10 · good | Poor |
| Sun 16:00 | 1.94 · high | 4.61 · good | 27.10 · good | Poor |
| Sun 17:00 | 1.92 · high | 4.63 · good | 27.10 · good | Poor |
| Sun 18:00 | 1.92 · high | 4.32 · good | 27.00 · good | Poor |
| Sun 19:00 | 1.92 · high | 4.06 · good | 27.00 · good | Poor |
| Sun 20:00 | 1.92 · high | 4.89 · good | 27.00 · good | Poor |
| Sun 21:00 | 1.94 · high | 4.03 · good | 27.00 · good | Poor |
| Sun 22:00 | 1.98 · high | 2.97 · good | 27.00 · good | Poor |
| Sun 23:00 | 2.00 · high | 3.42 · good | 27.00 · good | Poor |
| Mon 00:00 | 2.04 · high | 3.55 · good | 27.00 · good | Poor |
| Mon 01:00 | 2.06 · high | 3.80 · good | 26.90 · good | Poor |
| Mon 02:00 | 2.10 · high | 3.29 · good | 26.90 · good | Poor |
| Mon 03:00 | 2.12 · high | 3.18 · good | 26.90 · good | Poor |
| Mon 04:00 | 2.16 · high | 3.44 · good | 26.90 · good | Poor |
| Mon 05:00 | 2.18 · high | 3.02 · good | 26.90 · good | Poor |
| Mon 06:00 | 2.26 · high | 3.36 · good | 26.90 · good | Poor |
| Mon 07:00 | 2.36 · high | 2.91 · good | 26.90 · good | Fair |
| Mon 08:00 | 2.44 · high | 4.63 · good | 26.90 · good | Poor |
| Mon 09:00 | 2.12 · high | 5.03 · good | 26.90 · good | Fair |
| Mon 10:00 | 2.20 · high | 5.28 · good | 26.90 · good | Fair |
| Mon 11:00 | 2.28 · high | 5.28 · good | 26.90 · good | Poor |
| Mon 12:00 | 2.34 · high | 5.14 · good | 26.90 · good | Poor |
| Mon 13:00 | 2.42 · high | 5.15 · good | 26.90 · good | Poor |
| Mon 14:00 | 2.48 · high | 5.34 · good | 26.90 · good | Poor |
| Mon 15:00 | 2.54 · high | 5.91 · high | 26.90 · good | Poor |
| Mon 16:00 | 2.60 · high | 5.99 · high | 26.90 · good | Poor |
| Mon 17:00 | 2.66 · high | 5.69 · high | 26.90 · good | Poor |
| Mon 18:00 | 2.76 · high | 5.94 · high | 26.90 · good | Poor |
| Mon 19:00 | 2.86 · high | 5.87 · high | 26.90 · good | Poor |
| Mon 20:00 | 2.96 · high | 5.99 · high | 26.90 · good | Poor |
| Mon 21:00 | 2.98 · high | 6.14 · high | 26.90 · good | Poor |
| Mon 22:00 | 2.98 · high | 5.64 · high | 26.90 · good | Poor |
| Mon 23:00 | 3.00 · high | 6.37 · high | 26.80 · good | Poor |
| Tue 00:00 | 2.98 · high | 5.55 · high | 26.80 · good | Poor |
| Tue 01:00 | 3.10 · high | 5.28 · good | 26.90 · good | Poor |
| Tue 02:00 | 3.16 · high | 4.50 · good | 26.90 · good | Poor |
| Tue 03:00 | 3.10 · high | 4.76 · good | 26.90 · good | Poor |
| Tue 04:00 | 3.06 · high | 3.93 · good | 26.90 · good | Poor |
| Tue 05:00 | 3.00 · high | 3.54 · good | 26.90 · good | Poor |
| Tue 06:00 | 2.98 · high | 2.52 · good | 26.90 · good | Poor |
| Tue 07:00 | 2.94 · high | 2.86 · good | 26.90 · good | Fair |
| Tue 08:00 | 2.92 · high | 1.10 · good | 26.90 · good | Fair |
| Tue 09:00 | 2.88 · high | 0.94 · good | 26.90 · good | Fair |
| Tue 10:00 | 2.82 · high | 1.46 · good | 27.00 · good | Fair |
| Tue 11:00 | 2.78 · high | 0.38 · good | 27.10 · good | Fair |
| Tue 12:00 | 2.74 · high | 0.52 · good | 27.10 · good | Fair |
| Tue 13:00 | 2.70 · high | 0.85 · good | 27.20 · good | Fair |
| Tue 14:00 | 2.66 · high | 1.37 · good | 27.20 · good | Poor |
| Tue 15:00 | 2.66 · high | 2.10 · good | 27.20 · good | Poor |
| Tue 16:00 | 2.64 · high | 2.12 · good | 27.20 · good | Poor |
| Tue 17:00 | 2.64 · high | 2.20 · good | 27.20 · good | Poor |