Saturday
❌ Poor conditions
Main blocker: Waves
USA · Updated Sat 14:35 (HST) · Source: Snapshot
The skinny
Poor Data updated Sat 14:35 (HST)Tunnels Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Sat 14:00 (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 14:00 – Tue 14:00 (HST)
Best snorkel score is 0.46 around Sun 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 1.2m to 1.34m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 2.24 to 4.76m/s).
Tides range from 0.3m to 0.74m; 2 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 14:00 | 1.34 · high | 4.27 · good | 27.00 · good | Poor |
| Sat 15:00 | 1.34 · high | 4.37 · good | 27.00 · good | Poor |
| Sat 16:00 | 1.32 · high | 4.27 · good | 27.00 · good | Poor |
| Sat 17:00 | 1.32 · high | 4.30 · good | 27.00 · good | Poor |
| Sat 18:00 | 1.32 · high | 4.08 · good | 27.00 · good | Poor |
| Sat 19:00 | 1.32 · high | 3.72 · good | 26.90 · good | Poor |
| Sat 20:00 | 1.32 · high | 3.30 · good | 26.90 · good | Poor |
| Sat 21:00 | 1.32 · high | 3.29 · good | 26.90 · good | Poor |
| Sat 22:00 | 1.32 · high | 2.93 · good | 26.90 · good | Poor |
| Sat 23:00 | 1.32 · high | 2.75 · good | 26.80 · good | Poor |
| Sun 00:00 | 1.30 · high | 2.37 · good | 26.80 · good | Poor |
| Sun 01:00 | 1.28 · high | 2.59 · good | 26.80 · good | Poor |
| Sun 02:00 | 1.28 · high | 2.45 · good | 26.70 · good | Poor |
| Sun 03:00 | 1.28 · high | 2.32 · good | 26.60 · good | Poor |
| Sun 04:00 | 1.26 · high | 2.25 · good | 26.60 · good | Poor |
| Sun 05:00 | 1.26 · high | 2.40 · good | 26.60 · good | Poor |
| Sun 06:00 | 1.24 · high | 2.28 · good | 26.60 · good | Poor |
| Sun 07:00 | 1.24 · high | 2.24 · good | 26.60 · good | Fair |
| Sun 08:00 | 1.22 · high | 2.50 · good | 26.60 · good | Fair |
| Sun 09:00 | 1.20 · high | 2.91 · good | 26.60 · good | Fair |
| Sun 10:00 | 1.24 · high | 3.61 · good | 26.70 · good | Fair |
| Sun 11:00 | 1.24 · high | 4.27 · good | 26.80 · good | Fair |
| Sun 12:00 | 1.24 · high | 4.70 · good | 26.90 · good | Fair |
| Sun 13:00 | 1.24 · high | 4.76 · good | 26.90 · good | Fair |
| Sun 14:00 | 1.24 · high | 4.32 · good | 27.00 · good | Poor |
| Sun 15:00 | 1.22 · high | 4.35 · good | 27.00 · good | Poor |
| Sun 16:00 | 1.22 · high | 4.47 · good | 27.00 · good | Poor |
| Sun 17:00 | 1.20 · high | 4.12 · good | 27.00 · good | Poor |
| Sun 18:00 | 1.20 · high | 3.63 · good | 26.90 · good | Poor |
| Sun 19:00 | 1.20 · high | 3.34 · good | 26.90 · good | Poor |
| Sun 20:00 | 1.20 · high | 3.40 · good | 26.90 · good | Poor |
| Sun 21:00 | 1.20 · high | 3.41 · good | 26.80 · good | Poor |
| Sun 22:00 | 1.20 · high | 3.30 · good | 26.80 · good | Poor |
| Sun 23:00 | 1.20 · high | 3.36 · good | 26.80 · good | Poor |
| Mon 00:00 | 1.20 · high | 3.42 · good | 26.70 · good | Poor |
| Mon 01:00 | 1.18 · high | 3.35 · good | 26.50 · good | Poor |
| Mon 02:00 | 1.16 · high | 3.35 · good | 26.50 · good | Poor |
| Mon 03:00 | 1.14 · high | 3.20 · good | 26.50 · good | Poor |
| Mon 04:00 | 1.14 · high | 3.15 · good | 26.50 · good | Poor |
| Mon 05:00 | 1.12 · high | 3.12 · good | 26.50 · good | Poor |
| Mon 06:00 | 1.10 · high | 2.95 · good | 26.50 · good | Poor |
| Mon 07:00 | 1.08 · high | 2.91 · good | 26.50 · good | Fair |
| Mon 08:00 | 1.06 · high | 3.35 · good | 26.50 · good | Fair |
| Mon 09:00 | 1.14 · high | 2.43 · good | 26.50 · good | Fair |
| Mon 10:00 | 1.12 · high | 3.12 · good | 26.50 · good | Fair |
| Mon 11:00 | 1.12 · high | 3.65 · good | 26.50 · good | Fair |
| Mon 12:00 | 1.12 · high | 4.28 · good | 26.60 · good | Fair |
| Mon 13:00 | 1.12 · high | 4.66 · good | 26.60 · good | Fair |
| Mon 14:00 | 1.12 · high | 4.73 · good | 26.60 · good | Poor |
| Mon 15:00 | 1.10 · high | 4.57 · good | 26.60 · good | Poor |
| Mon 16:00 | 1.10 · high | 4.16 · good | 26.60 · good | Poor |
| Mon 17:00 | 1.08 · high | 3.94 · good | 26.60 · good | Poor |
| Mon 18:00 | 1.08 · high | 3.44 · good | 26.60 · good | Poor |
| Mon 19:00 | 1.06 · high | 2.70 · good | 26.60 · good | Poor |
| Mon 20:00 | 1.06 · high | 2.90 · good | 26.60 · good | Poor |
| Mon 21:00 | 1.06 · high | 2.81 · good | 26.60 · good | Poor |
| Mon 22:00 | 1.06 · high | 2.64 · good | 26.60 · good | Poor |
| Mon 23:00 | 1.06 · high | 2.79 · good | 26.60 · good | Poor |
| Tue 00:00 | 1.06 · high | 2.64 · good | 26.60 · good | Poor |
| Tue 01:00 | 0.98 · high | 2.40 · good | 26.70 · good | Poor |
| Tue 02:00 | 0.98 · high | 1.86 · good | 26.70 · good | Poor |
| Tue 03:00 | 0.98 · high | 1.60 · good | 26.70 · good | Poor |
| Tue 04:00 | 0.98 · high | 1.74 · good | 26.60 · good | Poor |
| Tue 05:00 | 0.98 · high | 1.80 · good | 26.60 · good | Poor |
| Tue 06:00 | 0.98 · high | 1.74 · good | 26.60 · good | Poor |
| Tue 07:00 | 0.98 · high | 2.08 · good | 26.60 · good | Fair |
| Tue 08:00 | 0.98 · high | 2.35 · good | 26.60 · good | Fair |
| Tue 09:00 | 1.00 · high | 2.76 · good | 26.70 · good | Fair |
| Tue 10:00 | 1.02 · high | 3.13 · good | 26.70 · good | Fair |
| Tue 11:00 | 1.04 · high | 4.16 · good | 26.80 · good | Fair |
| Tue 12:00 | 1.06 · high | 4.16 · good | 26.90 · good | Fair |
| Tue 13:00 | 1.06 · high | 4.32 · good | 26.90 · good | Fair |