USA · Updated Sat 18:48 (HST) · Source: Snapshot
The skinny
Poor Data updated Sat 18:48 (HST)Kauai has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Sat 18:00 (HST)
No fresh data for this period.
Fair · 3.9/10
Mon 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. Also: Maui vs Big Island, Maui vs Oahu
Saturday, September 26, 2026 · HST · Data updated Sat 18:48
Compare the coasts by forecast period. These are model estimates, not beach observations. Open each beach report and check official advisories before leaving.
Anini Beach has the best forecast in North Shore Kauai tomorrow morning.
Forecast for the hour starting Sat 18:00: 3.2 m waves and 6.2 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 2.0 m waves and 4.1 m/s wind.
Lydgate Beach has the best forecast in East Kauai tomorrow morning.
Forecast for the hour starting Sat 18:00: 3.7 m waves and 8.1 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 2.4 m waves and 2.7 m/s wind.
Poipu Beach has the best forecast in South Shore Kauai tomorrow morning.
Forecast for the hour starting Sat 18:00: 3.2 m waves and 10.0 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 2.4 m waves and 4.0 m/s wind.
No beach in this Kauai report reaches our good model threshold tomorrow morning. Check the hourly beach forecasts and official alerts before entering the water.
Tunnels Beach · 3.6/10
Its best forecast hour is Tue 12:00, with 1.8 m waves and 3.1 m/s wind.
A camera shows one stretch of coast. Check its time stamp and the official alerts too.
Kauai sea temperature · Compare Hawaii islands · Read the Hawaii snorkeling guide
The score uses the hourly wave, wind, water temperature, tide and current forecast. A beach can differ from the wider forecast grid. Check beach signs, lifeguards and official alerts before you enter.
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.
Saturday
❌ Poor conditions
Main blocker: Waves
Sunday
⚠️ Fair 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
Prices and availability from Viator. Check conditions before you book.
We may earn a commission at no extra cost to you.
Free cancellation available
Free cancellation available
Free cancellation available
Free cancellation available
Free cancellation available
Free cancellation available
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 18:00 – Tue 18:00 (HST)
Best snorkel score is 0.45 around Sun 09:00; 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 1.92m to 2.14m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.35 to 2.43m/s).
Tides range from 0.33m to 0.93m; 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 |
|---|---|---|---|---|
| Sat 18:00 | 1.92 · high | 1.80 · good | 26.60 · good | Poor |
| Sat 19:00 | 1.94 · high | 0.86 · good | 26.60 · good | Poor |
| Sat 20:00 | 1.94 · high | 1.65 · good | 26.60 · good | Poor |
| Sat 21:00 | 1.94 · high | 1.27 · good | 26.60 · good | Poor |
| Sat 22:00 | 1.94 · high | 1.20 · good | 26.60 · good | Poor |
| Sat 23:00 | 1.94 · high | 1.45 · good | 26.60 · good | Poor |
| Sun 00:00 | 1.96 · high | 1.32 · good | 26.60 · good | Poor |
| Sun 01:00 | 1.94 · high | 1.04 · good | 26.90 · good | Poor |
| Sun 02:00 | 1.96 · high | 0.81 · good | 26.90 · good | Poor |
| Sun 03:00 | 2.00 · high | 1.10 · good | 26.90 · good | Poor |
| Sun 04:00 | 2.04 · high | 1.07 · good | 26.90 · good | Poor |
| Sun 05:00 | 2.08 · high | 0.35 · good | 26.90 · good | Poor |
| Sun 06:00 | 2.10 · high | 1.49 · good | 26.90 · good | Poor |
| Sun 07:00 | 2.12 · high | 0.59 · good | 26.90 · good | Fair |
| Sun 08:00 | 2.14 · high | 2.15 · good | 26.90 · good | Fair |
| Sun 09:00 | 2.00 · high | 1.65 · good | 26.90 · good | Fair |
| Sun 10:00 | 2.00 · high | 2.41 · good | 27.00 · good | Fair |
| Sun 11:00 | 2.00 · high | 2.41 · good | 27.00 · good | Fair |
| Sun 12:00 | 2.02 · high | 1.71 · good | 27.00 · good | Fair |
| Sun 13:00 | 2.02 · high | 1.74 · good | 27.10 · good | Fair |
| Sun 14:00 | 2.04 · high | 2.43 · good | 27.10 · good | Poor |
| Sun 15:00 | 2.06 · high | 1.87 · good | 27.10 · good | Poor |
| Sun 16:00 | 2.06 · high | 1.73 · good | 27.10 · good | Poor |
| Sun 17:00 | 2.08 · high | 2.01 · good | 27.10 · good | Poor |
| Sun 18:00 | 2.12 · high | 1.90 · good | 27.00 · good | Poor |
| Sun 19:00 | 2.14 · high | 1.50 · good | 27.00 · good | Poor |
| Sun 20:00 | 2.18 · high | 1.60 · good | 27.00 · good | Poor |
| Sun 21:00 | 2.24 · high | 1.32 · good | 27.00 · good | Poor |
| Sun 22:00 | 2.30 · high | 1.63 · good | 27.00 · good | Poor |
| Sun 23:00 | 2.36 · high | 1.82 · good | 27.00 · good | Poor |
| Mon 00:00 | 2.42 · high | 1.27 · good | 27.00 · good | Poor |
| Mon 01:00 | 2.48 · high | 1.80 · good | 26.90 · good | Poor |
| Mon 02:00 | 2.54 · high | 1.53 · good | 26.90 · good | Poor |
| Mon 03:00 | 2.60 · high | 1.23 · good | 26.90 · good | Poor |
| Mon 04:00 | 2.64 · high | 1.56 · good | 26.90 · good | Poor |
| Mon 05:00 | 2.70 · high | 1.77 · good | 26.90 · good | Poor |
| Mon 06:00 | 2.78 · high | 2.07 · good | 26.90 · good | Poor |
| Mon 07:00 | 2.88 · high | 2.20 · good | 26.90 · good | Fair |
| Mon 08:00 | 2.96 · high | 2.69 · good | 26.90 · good | Fair |
| Mon 09:00 | 2.54 · high | 3.13 · good | 26.90 · good | Fair |
| Mon 10:00 | 2.60 · high | 3.29 · good | 26.90 · good | Fair |
| Mon 11:00 | 2.68 · high | 3.82 · good | 26.90 · good | Poor |
| Mon 12:00 | 2.76 · high | 3.77 · good | 26.90 · good | Poor |
| Mon 13:00 | 2.84 · high | 4.00 · good | 26.90 · good | Poor |
| Mon 14:00 | 2.92 · high | 3.27 · good | 26.90 · good | Poor |
| Mon 15:00 | 3.04 · high | 3.36 · good | 26.90 · good | Poor |
| Mon 16:00 | 3.18 · high | 3.82 · good | 26.90 · good | Poor |
| Mon 17:00 | 3.30 · high | 3.30 · good | 26.90 · good | Poor |
| Mon 18:00 | 3.52 · high | 3.75 · good | 26.90 · good | Poor |
| Mon 19:00 | 3.74 · high | 3.76 · good | 26.90 · good | Poor |
| Mon 20:00 | 3.96 · high | 3.51 · good | 26.90 · good | Poor |
| Mon 21:00 | 4.14 · high | 3.58 · good | 26.90 · good | Poor |
| Mon 22:00 | 4.30 · high | 4.08 · good | 26.90 · good | Poor |
| Mon 23:00 | 4.48 · high | 4.52 · good | 26.80 · good | Poor |
| Tue 00:00 | 4.58 · high | 4.32 · good | 26.80 · good | Poor |
| Tue 01:00 | 4.88 · high | 4.30 · good | 26.90 · good | Poor |
| Tue 02:00 | 4.98 · high | 4.16 · good | 26.90 · good | Poor |
| Tue 03:00 | 4.92 · high | 4.31 · good | 26.90 · good | Poor |
| Tue 04:00 | 4.84 · high | 4.21 · good | 26.90 · good | Poor |
| Tue 05:00 | 4.78 · high | 4.11 · good | 26.90 · good | Poor |
| Tue 06:00 | 4.58 · high | 3.55 · good | 26.90 · good | Poor |
| Tue 07:00 | 4.38 · high | 3.29 · good | 26.90 · good | Poor |
| Tue 08:00 | 4.18 · high | 3.43 · good | 26.90 · good | Poor |
| Tue 09:00 | 4.00 · high | 2.91 · good | 26.90 · good | Fair |
| Tue 10:00 | 3.52 · high | 3.11 · good | 27.00 · good | Poor |
| Tue 11:00 | 3.36 · high | 3.00 · good | 27.10 · good | Poor |
| Tue 12:00 | 3.24 · high | 1.86 · good | 27.10 · good | Fair |
| Tue 13:00 | 3.12 · high | 1.82 · good | 27.20 · good | Fair |
| Tue 14:00 | 3.00 · high | 2.00 · good | 27.20 · good | Poor |
| Tue 15:00 | 2.92 · high | 1.76 · good | 27.20 · good | Poor |
| Tue 16:00 | 2.84 · high | 1.30 · good | 27.20 · good | Poor |
| Tue 17:00 | 2.76 · high | 1.05 · good | 27.20 · good | Poor |
