Wednesday
⚠️ Fair conditions
Main blocker: Waves
USA · Updated Wed 15:51 (HST) · Source: Snapshot
The skinny
Marginal Report Wed 06:18Kauai looks marginal today. The least-bad daylight window is around Wed 11:00, but waves is limiting the forecast.
Score: 4.7/10
Best time: Wed 11:00
Main risk: Waves
Best morning signal: Wed 11:00 (Fair).
Best afternoon signal: Wed 13:00 (Fair). Peak afternoon wind is about 2.7 m/s.
Best nearby spots
AreaKauai
DifficultyVaries by beach
Best timeMorning
ExposureNorth and south shore seasons differ strongly
ShoreIsland hub
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
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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 historical data
Tue 16:00 – Fri 16:00 (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 1.36m to 1.46m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.35 to 2.55m/s).
Tides range from 0.25m to 1.02m; 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 |
|---|---|---|---|---|
| Tue 16:00 | 1.38 · high | 0.99 · good | 26.90 · good | Poor |
| Tue 17:00 | 1.36 · high | 0.92 · good | 26.90 · good | Fair |
| Tue 18:00 | 1.36 · high | 1.55 · good | 26.90 · good | Fair |
| Tue 19:00 | 1.38 · high | 1.80 · good | 26.90 · good | Fair |
| Tue 20:00 | 1.38 · high | 2.05 · good | 27.00 · good | Fair |
| Tue 21:00 | 1.38 · high | 2.55 · good | 27.00 · good | Fair |
| Tue 22:00 | 1.38 · high | 2.50 · good | 27.10 · good | Fair |
| Tue 23:00 | 1.40 · high | 2.55 · good | 27.10 · good | Fair |
| Wed 00:00 | 1.40 · high | 2.55 · good | 27.10 · good | Poor |
| Wed 01:00 | 1.40 · high | 2.51 · good | 27.10 · good | Poor |
| Wed 02:00 | 1.38 · high | 2.46 · good | 27.10 · good | Poor |
| Wed 03:00 | 1.38 · high | 2.21 · good | 27.10 · good | Poor |
| Wed 04:00 | 1.38 · high | 1.78 · good | 27.10 · good | Poor |
| Wed 05:00 | 1.40 · high | 1.23 · good | 27.00 · good | Poor |
| Wed 06:00 | 1.40 · high | 0.55 · good | 27.00 · good | Poor |
| Wed 07:00 | 1.40 · high | 0.54 · good | 27.00 · good | Poor |
| Wed 08:00 | 1.42 · high | 0.36 · good | 27.00 · good | Poor |
| Wed 09:00 | 1.42 · high | 0.68 · good | 27.00 · good | Poor |
| Wed 10:00 | 1.42 · high | 0.35 · good | 27.00 · good | Poor |
| Wed 11:00 | 1.44 · high | 0.45 · good | 26.90 · good | Poor |
| Wed 12:00 | 1.46 · high | 0.41 · good | 27.00 · good | Poor |
| Wed 13:00 | 1.46 · high | 0.54 · good | 27.00 · good | Poor |
| Wed 14:00 | 1.44 · high | 0.59 · good | 26.90 · good | Poor |
| Wed 15:00 | 1.44 · high | 0.57 · good | 26.90 · good | Poor |
| Wed 16:00 | 1.44 · high | 0.56 · good | 26.90 · good | Poor |
| Wed 17:00 | 1.44 · high | 0.91 · good | 26.90 · good | Fair |
| Wed 18:00 | 1.44 · high | 1.76 · good | 26.90 · good | Fair |
| Wed 19:00 | 1.44 · high | 1.90 · good | 26.90 · good | Fair |
| Wed 20:00 | 1.50 · high | 2.05 · good | 27.00 · good | Fair |
| Wed 21:00 | 1.52 · high | 2.66 · good | 27.00 · good | Fair |
| Wed 22:00 | 1.54 · high | 2.75 · good | 27.00 · good | Fair |
| Wed 23:00 | 1.54 · high | 2.67 · good | 27.10 · good | Fair |
| Thu 00:00 | 1.56 · high | 2.17 · good | 27.10 · good | Poor |
| Thu 01:00 | 1.58 · high | 2.09 · good | 27.10 · good | Poor |
| Thu 02:00 | 1.58 · high | 2.52 · good | 27.00 · good | Poor |
| Thu 03:00 | 1.60 · high | 2.41 · good | 27.00 · good | Poor |
| Thu 04:00 | 1.60 · high | 2.10 · good | 27.00 · good | Poor |
| Thu 05:00 | 1.62 · high | 1.35 · good | 26.90 · good | Poor |
| Thu 06:00 | 1.62 · high | 0.57 · good | 26.90 · good | Poor |
| Thu 07:00 | 1.62 · high | 0.52 · good | 26.80 · good | Poor |
| Thu 08:00 | 1.62 · high | 0.96 · good | 26.80 · good | Poor |
| Thu 09:00 | 1.62 · high | 0.81 · good | 26.80 · good | Poor |
| Thu 10:00 | 1.60 · high | 1.35 · good | 26.70 · good | Poor |
| Thu 11:00 | 1.58 · high | 1.29 · good | 26.80 · good | Poor |
| Thu 12:00 | 1.58 · high | 0.50 · good | 26.70 · good | Poor |
| Thu 13:00 | 1.58 · high | 0.45 · good | 26.70 · good | Poor |
| Thu 14:00 | 1.56 · high | 0.46 · good | 26.70 · good | Poor |
| Thu 15:00 | 1.56 · high | 0.72 · good | 26.70 · good | Poor |
| Thu 16:00 | 1.56 · high | 0.52 · good | 26.70 · good | Poor |
| Thu 17:00 | 1.54 · high | 0.92 · good | 26.70 · good | Fair |
| Thu 18:00 | 1.54 · high | 1.77 · good | 26.70 · good | Fair |
| Thu 19:00 | 1.54 · high | 2.21 · good | 26.70 · good | Fair |
| Thu 20:00 | 1.56 · high | 2.72 · good | 26.70 · good | Fair |
| Thu 21:00 | 1.56 · high | 2.97 · good | 26.80 · good | Fair |
| Thu 22:00 | 1.56 · high | 2.93 · good | 26.80 · good | Fair |
| Thu 23:00 | 1.58 · high | 2.40 · good | 26.80 · good | Fair |
| Fri 00:00 | 1.58 · high | 2.51 · good | 26.80 · good | Poor |
| Fri 01:00 | 1.58 · high | 2.39 · good | 26.80 · good | Poor |
| Fri 02:00 | 1.60 · high | 2.84 · good | 26.80 · good | Poor |
| Fri 03:00 | 1.60 · high | 2.48 · good | 26.80 · good | Poor |
| Fri 04:00 | 1.60 · high | 1.91 · good | 26.80 · good | Poor |
| Fri 05:00 | 1.58 · high | 1.51 · good | 26.80 · good | Poor |
| Fri 06:00 | 1.58 · high | 1.00 · good | 26.70 · good | Poor |
| Fri 07:00 | 1.58 · high | 0.87 · good | 26.70 · good | Poor |
| Fri 08:00 | 1.56 · high | 0.91 · good | 26.70 · good | Poor |
| Fri 09:00 | 1.56 · high | 1.07 · good | 26.60 · good | Poor |
| Fri 10:00 | 1.56 · high | 1.52 · good | 26.60 · good | Poor |
| Fri 11:00 | 1.56 · high | 1.41 · good | 26.70 · good | Poor |
| Fri 12:00 | 1.56 · high | 1.52 · good | 26.70 · good | Poor |
| Fri 13:00 | 1.54 · high | 1.60 · good | 26.70 · good | Poor |
| Fri 14:00 | 1.54 · high | 1.32 · good | 26.70 · good | Poor |
| Fri 15:00 | 1.52 · high | 1.19 · good | 26.70 · good | Poor |