Wednesday
⚠️ Fair conditions
Main blocker: Waves
USA · Updated Wed 17:01 (HST) · Source: Snapshot
The skinny
Marginal Report Wed 07:27Kauai 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, Sat 14:00
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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
Sun 17:00 – Wed 17:00 (HST)
Best snorkel score is 0.52 around Sun 13:00; 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 1.24m to 1.36m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.36 to 2.75m/s).
Tides range from 0.27m to 1.04m; 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 |
|---|---|---|---|---|
| Sun 17:00 | 1.24 · high | 1.07 · good | 27.10 · good | Fair |
| Sun 18:00 | 1.24 · high | 1.43 · good | 27.10 · good | Fair |
| Sun 19:00 | 1.24 · high | 2.14 · good | 27.10 · good | Fair |
| Sun 20:00 | 1.28 · high | 2.34 · good | 27.10 · good | Fair |
| Sun 21:00 | 1.28 · high | 2.71 · good | 27.20 · good | Fair |
| Sun 22:00 | 1.30 · high | 2.75 · good | 27.20 · good | Fair |
| Sun 23:00 | 1.30 · high | 2.58 · good | 27.30 · good | Fair |
| Mon 00:00 | 1.32 · high | 2.50 · good | 27.30 · good | Poor |
| Mon 01:00 | 1.34 · high | 2.53 · good | 27.30 · good | Poor |
| Mon 02:00 | 1.34 · high | 2.47 · good | 27.30 · good | Poor |
| Mon 03:00 | 1.36 · high | 2.39 · good | 27.30 · good | Poor |
| Mon 04:00 | 1.36 · high | 2.20 · good | 27.30 · good | Poor |
| Mon 05:00 | 1.34 · high | 1.42 · good | 27.20 · good | Poor |
| Mon 06:00 | 1.34 · high | 0.50 · good | 27.20 · good | Poor |
| Mon 07:00 | 1.34 · high | 0.56 · good | 27.20 · good | Poor |
| Mon 08:00 | 1.32 · high | 0.39 · good | 27.20 · good | Poor |
| Mon 09:00 | 1.32 · high | 0.43 · good | 27.20 · good | Poor |
| Mon 10:00 | 1.32 · high | 0.36 · good | 27.20 · good | Poor |
| Mon 11:00 | 1.30 · high | 0.47 · good | 27.00 · good | Poor |
| Mon 12:00 | 1.30 · high | 0.52 · good | 27.00 · good | Poor |
| Mon 13:00 | 1.30 · high | 0.76 · good | 27.00 · good | Poor |
| Mon 14:00 | 1.32 · high | 0.83 · good | 27.00 · good | Poor |
| Mon 15:00 | 1.32 · high | 0.65 · good | 27.00 · good | Poor |
| Mon 16:00 | 1.32 · high | 0.45 · good | 27.00 · good | Poor |
| Mon 17:00 | 1.34 · high | 0.51 · good | 27.00 · good | Fair |
| Mon 18:00 | 1.34 · high | 1.07 · good | 27.00 · good | Fair |
| Mon 19:00 | 1.34 · high | 1.30 · good | 27.00 · good | Fair |
| Mon 20:00 | 1.32 · high | 1.50 · good | 27.10 · good | Fair |
| Mon 21:00 | 1.32 · high | 1.76 · good | 27.10 · good | Fair |
| Mon 22:00 | 1.34 · high | 1.89 · good | 27.10 · good | Fair |
| Mon 23:00 | 1.34 · high | 1.68 · good | 27.20 · good | Fair |
| Tue 00:00 | 1.36 · high | 1.64 · good | 27.20 · good | Poor |
| Tue 01:00 | 1.38 · high | 1.57 · good | 27.20 · good | Poor |
| Tue 02:00 | 1.38 · high | 1.58 · good | 27.20 · good | Poor |
| Tue 03:00 | 1.40 · high | 1.55 · good | 27.20 · good | Poor |
| Tue 04:00 | 1.40 · high | 1.61 · good | 27.20 · good | Poor |
| Tue 05:00 | 1.40 · high | 1.26 · good | 27.20 · good | Poor |
| Tue 06:00 | 1.40 · high | 1.15 · good | 27.20 · good | Poor |
| Tue 07:00 | 1.40 · high | 1.08 · good | 27.20 · good | Poor |
| Tue 08:00 | 1.40 · high | 1.42 · good | 27.10 · good | Poor |
| Tue 09:00 | 1.40 · high | 1.30 · good | 27.10 · good | Poor |
| Tue 10:00 | 1.40 · high | 1.24 · good | 27.10 · good | Poor |
| Tue 11:00 | 1.38 · high | 0.62 · good | 27.00 · good | Poor |
| Tue 12:00 | 1.38 · high | 0.83 · good | 27.00 · good | Poor |
| Tue 13:00 | 1.38 · high | 1.01 · good | 27.00 · good | Poor |
| Tue 14:00 | 1.38 · high | 1.11 · good | 27.00 · good | Poor |
| Tue 15:00 | 1.38 · high | 1.07 · good | 27.00 · good | Poor |
| 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 |