Saturday
❌ Poor conditions
Main blocker: Waves
USA · Updated Sat 17:37 (HST) · Source: Snapshot
The skinny
Poor Data updated Sat 17:37 (HST)Tunnels Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Sat 17:00 (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
Mon 17:00 – Thu 17:00 (HST)
Best snorkel score is 0.43 around Tue 11:00; 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 2.64m to 3.16m).
Wind is at or below 5.4m/s in 16/24 sampled hours (range 0.38 to 6.37m/s).
Tides range from 0.35m to 0.97m; 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 |
|---|---|---|---|---|
| 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 |
| Tue 18:00 | 2.58 · high | 1.25 · good | 27.20 · good | Poor |
| Tue 19:00 | 2.54 · high | 0.43 · good | 27.20 · good | Poor |
| Tue 20:00 | 2.48 · high | 0.35 · good | 27.20 · good | Poor |
| Tue 21:00 | 2.42 · high | 0.97 · good | 27.20 · good | Poor |
| Tue 22:00 | 2.36 · high | 0.69 · good | 27.10 · good | Poor |
| Tue 23:00 | 2.30 · high | 0.63 · good | 27.10 · good | Poor |
| Wed 00:00 | 2.24 · high | 0.55 · good | 27.10 · good | Poor |
| Wed 01:00 | 2.42 · high | 0.41 · good | 27.30 · good | Poor |
| Wed 02:00 | 2.38 · high | 0.96 · good | 27.30 · good | Poor |
| Wed 03:00 | 2.34 · high | 0.85 · good | 27.30 · good | Poor |
| Wed 04:00 | 2.30 · high | 0.65 · good | 27.20 · good | Poor |
| Wed 05:00 | 2.26 · high | 0.61 · good | 27.20 · good | Poor |
| Wed 06:00 | 2.20 · high | 0.50 · good | 27.20 · good | Poor |
| Wed 07:00 | 2.14 · high | 0.49 · good | 27.20 · good | Fair |
| Wed 08:00 | 2.08 · high | 0.54 · good | 27.20 · good | Fair |
| Wed 09:00 | 2.02 · high | 0.97 · good | 27.30 · good | Fair |
| Wed 10:00 | 1.98 · high | 1.40 · good | 27.40 · good | Fair |
| Wed 11:00 | 1.96 · high | 2.16 · good | 27.50 · good | Fair |
| Wed 12:00 | 1.94 · high | 2.21 · good | 27.60 · good | Fair |
| Wed 13:00 | 1.90 · high | 1.99 · good | 27.70 · good | Fair |
| Wed 14:00 | 1.88 · high | 2.28 · good | 27.70 · good | Poor |
| Wed 15:00 | 1.86 · high | 2.28 · good | 27.70 · good | Poor |
| Wed 16:00 | 1.82 · high | 1.92 · good | 27.70 · good | Poor |
| Wed 17:00 | 1.80 · high | 1.77 · good | 27.60 · good | Poor |
| Wed 18:00 | 1.80 · high | 1.32 · good | 27.60 · good | Poor |
| Wed 19:00 | 1.78 · high | 0.52 · good | 27.50 · good | Poor |
| Wed 20:00 | 1.78 · high | 0.10 · good | 27.50 · good | Poor |
| Wed 21:00 | 1.76 · high | 0.10 · good | 27.40 · good | Poor |
| Wed 22:00 | 1.72 · high | 0.15 · good | 27.40 · good | Poor |
| Wed 23:00 | 1.70 · high | 0.27 · good | 27.30 · good | Poor |
| Thu 00:00 | 1.66 · high | 0.16 · good | 27.30 · good | Poor |
| Thu 01:00 | 1.60 · high | 0.11 · good | 26.90 · good | Poor |
| Thu 02:00 | 1.56 · high | 0.32 · good | 26.90 · good | Poor |
| Thu 03:00 | 1.54 · high | 0.16 · good | 26.90 · good | Poor |
| Thu 04:00 | 1.54 · high | 0.57 · good | 26.90 · good | Poor |
| Thu 05:00 | 1.52 · high | 0.85 · good | 26.90 · good | Poor |
| Thu 06:00 | 1.52 · high | 1.37 · good | 26.80 · good | Poor |
| Thu 07:00 | 1.50 · high | 1.43 · good | 26.80 · good | Fair |
| Thu 08:00 | 1.50 · high | 2.00 · good | 26.90 · good | Fair |
| Thu 09:00 | 1.50 · high | 1.95 · good | 26.90 · good | Fair |
| Thu 10:00 | 1.52 · high | 1.83 · good | 27.10 · good | Fair |
| Thu 11:00 | 1.52 · high | 2.21 · good | 27.20 · good | Fair |
| Thu 12:00 | 1.52 · high | 2.89 · good | 27.30 · good | Fair |
| Thu 13:00 | 1.54 · high | 2.60 · good | 27.40 · good | Fair |
| Thu 14:00 | 1.54 · high | 2.55 · good | 27.50 · good | Poor |
| Thu 15:00 | 1.54 · high | 2.92 · good | 27.50 · good | Poor |
| Thu 16:00 | 1.54 · high | 2.45 · good | 27.50 · good | Poor |