Wednesday
⚠️ Fair conditions
Main blocker: Waves
USA · Updated Wed 13:31 (HST) · Source: Snapshot
The skinny
Marginal Report Wed 03:51Tunnels Beach looks marginal today. The least-bad daylight window is around Wed 11:00, but waves is limiting the forecast.
Score: 4.5/10
Best time: Wed 11:00
Main risk: Waves
Best morning signal: Wed 11:00 (Fair).
Best afternoon signal: Wed 12:00 (Fair). Peak afternoon wind is about 5.3 m/s.
Best nearby spots
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.
Wednesday
⚠️ Fair conditions
Main blocker: Waves
Thursday
⚠️ Fair conditions
Main blocker: Waves
Friday
⚠️ 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: Fri 13:00
Thu 01:00, Fri 13:00, Sat 02:00
Compare nearby spots by score, forecast window and exposure 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 current forecast
Wed 13:00 – Sat 13:00 (HST)
Best snorkel score is 0.45 around Wed 11:00; 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 1.14m to 1.4m).
Wind is at or below 5.4m/s in 22/24 sampled hours (range 3.18 to 5.53m/s).
Tides range from 0.27m to 1.0m; 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 |
|---|---|---|---|---|
| Wed 14:00 | 1.14 · high | 3.43 · good | 26.90 · good | Poor |
| Wed 15:00 | 1.14 · high | 3.50 · good | 26.90 · good | Poor |
| Wed 16:00 | 1.16 · high | 3.21 · good | 26.90 · good | Poor |
| Wed 17:00 | 1.16 · high | 3.18 · good | 26.90 · good | Fair |
| Wed 18:00 | 1.18 · high | 3.33 · good | 26.90 · good | Fair |
| Wed 19:00 | 1.22 · high | 4.00 · good | 26.90 · good | Fair |
| Wed 20:00 | 1.24 · high | 4.42 · good | 26.90 · good | Poor |
| Wed 21:00 | 1.28 · high | 4.83 · good | 27.00 · good | Fair |
| Wed 22:00 | 1.28 · high | 5.14 · good | 27.00 · good | Fair |
| Wed 23:00 | 1.28 · high | 5.30 · good | 27.10 · good | Fair |
| Thu 00:00 | 1.28 · high | 5.44 · high | 27.10 · good | Poor |
| Thu 01:00 | 1.28 · high | 5.53 · high | 27.10 · good | Poor |
| Thu 02:00 | 1.28 · high | 5.25 · good | 27.10 · good | Poor |
| Thu 03:00 | 1.28 · high | 5.16 · good | 27.00 · good | Poor |
| Thu 04:00 | 1.30 · high | 4.77 · good | 27.00 · good | Poor |
| Thu 05:00 | 1.30 · high | 4.63 · good | 27.00 · good | Poor |
| Thu 06:00 | 1.32 · high | 4.46 · good | 27.00 · good | Poor |
| Thu 07:00 | 1.34 · high | 4.44 · good | 26.90 · good | Poor |
| Thu 08:00 | 1.38 · high | 4.60 · good | 26.90 · good | Poor |
| Thu 09:00 | 1.40 · high | 4.35 · good | 26.90 · good | Poor |
| Thu 10:00 | 1.40 · high | 4.45 · good | 26.80 · good | Poor |
| Thu 11:00 | 1.40 · high | 4.26 · good | 26.80 · good | Poor |
| Thu 12:00 | 1.40 · high | 3.86 · good | 26.80 · good | Poor |
| Thu 13:00 | 1.38 · high | 3.70 · good | 26.80 · good | Poor |
| Thu 14:00 | 1.36 · high | 3.95 · good | 26.70 · good | Poor |
| Thu 15:00 | 1.34 · high | 4.26 · good | 26.70 · good | Poor |
| Thu 16:00 | 1.36 · high | 4.43 · good | 26.70 · good | Poor |
| Thu 17:00 | 1.36 · high | 4.79 · good | 26.70 · good | Fair |
| Thu 18:00 | 1.38 · high | 4.94 · good | 26.70 · good | Fair |
| Thu 19:00 | 1.42 · high | 5.06 · good | 26.70 · good | Fair |
| Thu 20:00 | 1.44 · high | 5.03 · good | 26.80 · good | Fair |
| Thu 21:00 | 1.48 · high | 5.24 · good | 26.80 · good | Fair |
| Thu 22:00 | 1.50 · high | 5.59 · high | 26.80 · good | Fair |
| Thu 23:00 | 1.54 · high | 5.71 · high | 26.90 · good | Poor |
| Fri 00:00 | 1.56 · high | 5.29 · good | 26.90 · good | Poor |
| Fri 01:00 | 1.56 · high | 5.22 · good | 26.90 · good | Poor |
| Fri 02:00 | 1.54 · high | 5.32 · good | 26.90 · good | Poor |
| Fri 03:00 | 1.54 · high | 5.25 · good | 26.90 · good | Poor |
| Fri 04:00 | 1.54 · high | 5.11 · good | 26.90 · good | Poor |
| Fri 05:00 | 1.54 · high | 5.15 · good | 26.80 · good | Poor |
| Fri 06:00 | 1.54 · high | 4.86 · good | 26.80 · good | Poor |
| Fri 07:00 | 1.58 · high | 4.95 · good | 26.80 · good | Poor |
| Fri 08:00 | 1.62 · high | 5.05 · good | 26.80 · good | Poor |
| Fri 09:00 | 1.66 · high | 5.06 · good | 26.80 · good | Poor |
| Fri 10:00 | 1.66 · high | 5.04 · good | 26.80 · good | Poor |
| Fri 11:00 | 1.66 · high | 4.82 · good | 26.70 · good | Poor |
| Fri 12:00 | 1.66 · high | 4.89 · good | 26.70 · good | Poor |
| Fri 13:00 | 1.66 · high | 5.17 · good | 26.70 · good | Poor |
| Fri 14:00 | 1.68 · high | 5.03 · good | 26.70 · good | Poor |
| Fri 15:00 | 1.68 · high | 5.06 · good | 26.70 · good | Poor |
| Fri 16:00 | 1.72 · high | 5.25 · good | 26.60 · good | Poor |
| Fri 17:00 | 1.74 · high | 5.30 · good | 26.60 · good | Fair |
| Fri 18:00 | 1.78 · high | 5.15 · good | 26.60 · good | Poor |
| Fri 19:00 | 1.80 · high | 5.35 · good | 26.60 · good | Fair |
| Fri 20:00 | 1.82 · high | 5.76 · high | 26.70 · good | Poor |
| Fri 21:00 | 1.84 · high | 5.87 · high | 26.70 · good | Poor |
| Fri 22:00 | 1.84 · high | 5.77 · high | 26.70 · good | Poor |
| Fri 23:00 | 1.84 · high | 5.76 · high | 26.80 · good | Poor |
| Sat 00:00 | 1.84 · high | 5.46 · high | 26.80 · good | Poor |
| Sat 01:00 | 1.86 · high | 5.51 · high | 26.80 · good | Poor |
| Sat 02:00 | 1.86 · high | 5.63 · high | 26.80 · good | Poor |
| Sat 03:00 | 1.88 · high | 5.49 · high | 26.80 · good | Poor |
| Sat 04:00 | 1.90 · high | 5.15 · good | 26.80 · good | Poor |
| Sat 05:00 | 1.94 · high | 4.92 · good | 26.70 · good | Poor |
| Sat 06:00 | 1.96 · high | 4.75 · good | 26.70 · good | Poor |
| Sat 07:00 | 1.98 · high | 4.95 · good | 26.70 · good | Poor |
| Sat 08:00 | 2.00 · high | 4.96 · good | 26.70 · good | Poor |
| Sat 09:00 | 2.02 · high | 4.56 · good | 26.70 · good | Poor |
| Sat 10:00 | 2.06 · high | 4.42 · good | 26.70 · good | Poor |
| Sat 11:00 | 2.08 · high | 5.09 · good | 26.60 · good | Poor |
| Sat 12:00 | 2.12 · high | 5.22 · good | 26.60 · good | Poor |