Sunday
⚠️ Fair conditions
Main blocker: Waves
USA · Updated Sat 23:33 (HST) · Source: Snapshot
The skinny
No forecast for later today Data updated Sat 23:33 (HST)No remaining forecast hours are available for today in Kahaluu Beach Park. Check the three-day outlook.
Poor · 0.0/10
Sat 23:00 (HST)
No fresh data for this period.
Fair · 5.3/10
Sun 07:00 (HST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: No score
Best time: -
Main risk: Changing Conditions
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.
AreaKailua-Kona
DifficultyEasy
Best timeMorning
ExposureProtected Kona reef
ShoreSandy/rocky entry with shallow reef
No good model window in the next 72 hours
Use the best-available section for the least-bad times.
Sunday
⚠️ Fair conditions
Main blocker: Waves
Monday
⚠️ Fair conditions
Main blocker: Waves
Tuesday
⚠️ 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 04:00
Sun 04:00, Sun 16:00, Mon 16:00, Tue 05:00, Tue 17:00
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
Thu 23:00 – Sun 23:00 (HST)
Best snorkel score is 0.58 around Fri 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 0.86m to 1.04m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.1 to 2.41m/s).
Tides range from 0.32m to 1.04m; 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 |
|---|---|---|---|---|
| Thu 23:00 | 1.02 · high | 0.36 · good | 28.50 · good | Poor |
| Fri 00:00 | 1.02 · high | 0.32 · good | 28.40 · good | Poor |
| Fri 01:00 | 1.04 · high | 0.25 · good | 28.50 · good | Poor |
| Fri 02:00 | 1.04 · high | 0.10 · good | 28.40 · good | Poor |
| Fri 03:00 | 1.04 · high | 0.43 · good | 28.40 · good | Poor |
| Fri 04:00 | 1.02 · high | 0.45 · good | 28.30 · good | Poor |
| Fri 05:00 | 1.02 · high | 0.10 · good | 28.30 · good | Poor |
| Fri 06:00 | 1.00 · high | 0.32 · good | 28.30 · good | Poor |
| Fri 07:00 | 1.00 · high | 0.61 · good | 28.30 · good | Good |
| Fri 08:00 | 0.98 · high | 0.25 · good | 28.30 · good | Good |
| Fri 09:00 | 0.98 · high | 1.12 · good | 28.40 · good | Good |
| Fri 10:00 | 0.96 · high | 1.83 · good | 28.50 · good | Fair |
| Fri 11:00 | 0.96 · high | 1.99 · good | 28.70 · good | Fair |
| Fri 12:00 | 0.96 · high | 2.17 · good | 28.80 · good | Fair |
| Fri 13:00 | 0.94 · high | 2.14 · good | 28.90 · good | Fair |
| Fri 14:00 | 0.94 · high | 2.40 · good | 29.00 · good | Poor |
| Fri 15:00 | 0.92 · high | 2.41 · good | 29.00 · good | Poor |
| Fri 16:00 | 0.92 · high | 1.92 · good | 28.90 · good | Poor |
| Fri 17:00 | 0.90 · high | 1.59 · good | 28.90 · good | Poor |
| Fri 18:00 | 0.90 · high | 1.25 · good | 28.80 · good | Poor |
| Fri 19:00 | 0.88 · high | 0.93 · good | 28.70 · good | Poor |
| Fri 20:00 | 0.88 · high | 0.43 · good | 28.60 · good | Poor |
| Fri 21:00 | 0.88 · high | 0.40 · good | 28.60 · good | Poor |
| Fri 22:00 | 0.86 · high | 0.43 · good | 28.50 · good | Poor |
| Fri 23:00 | 0.86 · high | 0.67 · good | 28.50 · good | Poor |
| Sat 00:00 | 0.86 · high | 0.85 · good | 28.40 · good | Poor |
| Sat 01:00 | 0.88 · high | 0.16 · good | 28.40 · good | Poor |
| Sat 02:00 | 0.88 · high | 1.03 · good | 28.30 · good | Poor |
| Sat 03:00 | 0.86 · high | 1.31 · good | 28.30 · good | Poor |
| Sat 04:00 | 0.86 · high | 1.24 · good | 28.20 · good | Poor |
| Sat 05:00 | 0.84 · high | 0.96 · good | 28.20 · good | Poor |
| Sat 06:00 | 0.84 · high | 0.60 · good | 28.20 · good | Poor |
| Sat 07:00 | 0.82 · high | 0.25 · good | 28.20 · good | Fair |
| Sat 08:00 | 0.82 · high | 0.67 · good | 28.20 · good | Good |
| Sat 09:00 | 0.84 · high | 1.61 · good | 28.30 · good | Fair |
| Sat 10:00 | 0.82 · high | 2.11 · good | 28.50 · good | Fair |
| Sat 11:00 | 0.82 · high | 2.42 · good | 28.60 · good | Fair |
| Sat 12:00 | 0.82 · high | 2.47 · good | 28.80 · good | Fair |
| Sat 13:00 | 0.82 · high | 2.50 · good | 28.90 · good | Fair |
| Sat 14:00 | 0.82 · high | 2.47 · good | 29.00 · good | Poor |
| Sat 15:00 | 0.82 · high | 2.02 · good | 29.00 · good | Poor |
| Sat 16:00 | 0.82 · high | 1.69 · good | 29.00 · good | Poor |
| Sat 17:00 | 0.82 · high | 1.42 · good | 28.90 · good | Poor |
| Sat 18:00 | 0.82 · high | 1.20 · good | 28.80 · good | Poor |
| Sat 19:00 | 0.82 · high | 0.40 · good | 28.70 · good | Poor |
| Sat 20:00 | 0.82 · high | 0.14 · good | 28.70 · good | Poor |
| Sat 21:00 | 0.82 · high | 0.46 · good | 28.60 · good | Poor |
| Sat 22:00 | 0.82 · high | 0.46 · good | 28.60 · good | Poor |
| Sat 23:00 | 0.82 · high | 0.56 · good | 28.50 · good | Poor |
| Sun 00:00 | 0.82 · high | 0.58 · good | 28.40 · good | Poor |
| Sun 01:00 | 0.80 · high | 0.45 · good | 28.20 · good | Poor |
| Sun 02:00 | 0.80 · high | 0.11 · good | 28.10 · good | Poor |
| Sun 03:00 | 0.80 · high | 0.35 · good | 28.10 · good | Poor |
| Sun 04:00 | 0.80 · high | 0.64 · good | 28.00 · good | Poor |
| Sun 05:00 | 0.80 · high | 0.36 · good | 28.00 · good | Poor |
| Sun 06:00 | 0.80 · high | 0.43 · good | 28.00 · good | Poor |
| Sun 07:00 | 0.78 · high | 0.54 · good | 28.00 · good | Fair |
| Sun 08:00 | 0.78 · high | 0.25 · good | 28.00 · good | Good |
| Sun 09:00 | 0.78 · high | 1.50 · good | 28.10 · good | Good |
| Sun 10:00 | 0.78 · high | 2.02 · good | 28.30 · good | Fair |
| Sun 11:00 | 0.78 · high | 2.63 · good | 28.40 · good | Fair |
| Sun 12:00 | 0.78 · high | 2.57 · good | 28.60 · good | Fair |
| Sun 13:00 | 0.78 · high | 2.66 · good | 28.70 · good | Fair |
| Sun 14:00 | 0.78 · high | 2.09 · good | 28.80 · good | Poor |
| Sun 15:00 | 0.78 · high | 1.88 · good | 28.80 · good | Poor |
| Sun 16:00 | 0.78 · high | 1.59 · good | 28.80 · good | Poor |
| Sun 17:00 | 0.78 · high | 1.37 · good | 28.70 · good | Poor |
| Sun 18:00 | 0.78 · high | 1.17 · good | 28.60 · good | Poor |
| Sun 19:00 | 0.78 · high | 0.67 · good | 28.50 · good | Poor |
| Sun 20:00 | 0.78 · high | 1.08 · good | 28.50 · good | Poor |
| Sun 21:00 | 0.78 · high | 0.85 · good | 28.40 · good | Poor |
| Sun 22:00 | 0.78 · high | 0.55 · good | 28.40 · good | Poor |