Wednesday
⚠️ fair conditions
Main blocker: Waves
USA · Updated Tue 05:16 (HST) · Source: Snapshot · Showing fallback/stale data
The skinny
Marginal Report Wed 01:55Two Step Honaunau looks marginal today. The least-bad daylight window is around Wed 09:00, but waves is limiting the forecast.
Score: 5.0/10
Best time: Wed 09:00
Main risk: Waves
Best morning signal: Wed 09:00 (Fair).
Best afternoon signal: Wed 12:00 (Fair). Peak afternoon wind is about 1.8 m/s.
Best nearby spots
No safe 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
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.
Wed 21:00, Thu 22:00
Local operators found via Tripadvisor. Check conditions before you book.
Sponsored external links
Kona coast snorkel boat tours, including Kealakekua-area trips.
Small-group Kona ocean tours and snorkeling adventures.
Kona snorkel tours for Big Island reef and coast trips.
Compare nearby spots by score, forecast window and exposure before choosing a beach.
Viewing historical data
Sat 11:00 – Tue 11:00 (HST)
Best snorkel score is 0.46 around Sat 10:00; 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 0.92m to 1.02m).
Wind is at or below 5.4m/s in 18/24 sampled hours (range 0.9 to 9.0m/s).
Tides range from 0.32m to 0.94m; 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 |
|---|---|---|---|---|
| Sat 11:00 | 0.96 · high | 1.50 · good | 28.00 · good | poor |
| Sat 12:00 | 0.96 · high | 2.20 · good | 28.00 · good | poor |
| Sat 13:00 | 0.96 · high | 1.50 · good | 27.90 · good | poor |
| Sat 14:00 | 0.94 · high | 2.20 · good | 27.90 · good | poor |
| Sat 15:00 | 0.94 · high | 2.80 · good | 27.80 · good | poor |
| Sat 16:00 | 0.94 · high | 3.10 · good | 27.80 · good | fair |
| Sat 17:00 | 0.92 · high | 5.50 · high | 27.80 · good | poor |
| Sat 18:00 | 0.92 · high | 4.00 · good | 27.80 · good | poor |
| Sat 19:00 | 0.92 · high | 2.60 · good | 27.90 · good | fair |
| Sat 20:00 | 0.92 · high | 3.20 · good | 28.00 · good | fair |
| Sat 21:00 | 0.92 · high | 3.70 · good | 28.20 · good | fair |
| Sat 22:00 | 0.92 · high | 4.50 · good | 28.30 · good | fair |
| Sat 23:00 | 0.92 · high | 6.10 · high | 28.50 · good | fair |
| Sun 00:00 | 0.92 · high | 5.80 · high | 28.50 · good | poor |
| Sun 01:00 | 0.92 · high | 4.30 · good | 28.50 · good | poor |
| Sun 02:00 | 0.94 · high | 4.20 · good | 28.50 · good | poor |
| Sun 03:00 | 0.94 · high | 0.90 · good | 28.50 · good | poor |
| Sun 04:00 | 0.96 · high | 3.60 · good | 28.40 · good | poor |
| Sun 05:00 | 0.96 · high | 6.30 · high | 28.30 · good | poor |
| Sun 06:00 | 0.98 · high | 9.00 · high | 28.30 · good | poor |
| Sun 07:00 | 1.00 · high | 8.10 · high | 28.20 · good | poor |
| Sun 08:00 | 1.00 · high | 4.90 · good | 28.20 · good | poor |
| Sun 09:00 | 1.02 · high | 4.00 · good | 28.10 · good | poor |
| Sun 10:00 | 1.02 · high | 2.00 · good | 28.10 · good | poor |
| Sun 11:00 | 1.04 · high | 1.30 · good | 28.00 · good | poor |
| Sun 12:00 | 1.04 · high | 1.90 · good | 28.00 · good | poor |
| Sun 13:00 | 1.04 · high | 1.90 · good | 27.90 · good | poor |
| Sun 14:00 | 1.04 · high | 1.50 · good | 27.90 · good | poor |
| Sun 15:00 | 1.04 · high | 1.90 · good | 27.80 · good | poor |
| Sun 16:00 | 1.04 · high | 1.70 · good | 27.80 · good | fair |
| Sun 17:00 | 1.06 · high | 2.00 · good | 27.80 · good | fair |
| Sun 18:00 | 1.06 · high | 4.10 · good | 27.80 · good | fair |
| Sun 19:00 | 1.06 · high | 3.20 · good | 27.90 · good | fair |
| Sun 20:00 | 1.06 · high | 2.80 · good | 28.00 · good | fair |
| Sun 21:00 | 1.06 · high | 3.20 · good | 28.20 · good | fair |
| Sun 22:00 | 1.06 · high | 5.30 · good | 28.40 · good | fair |
| Sun 23:00 | 1.08 · high | 4.90 · good | 28.50 · good | fair |
| Mon 00:00 | 1.08 · high | 4.10 · good | 28.60 · good | poor |
| Mon 01:00 | 1.08 · high | 3.10 · good | 28.60 · good | poor |
| Mon 02:00 | 1.10 · high | 4.20 · good | 28.60 · good | poor |
| Mon 03:00 | 1.10 · high | 3.60 · good | 28.50 · good | poor |
| Mon 04:00 | 1.10 · high | 3.50 · good | 28.40 · good | poor |
| Mon 05:00 | 1.12 · high | 2.30 · good | 28.30 · good | poor |
| Mon 06:00 | 1.12 · high | 2.70 · good | 28.30 · good | poor |
| Mon 07:00 | 1.12 · high | 3.00 · good | 28.20 · good | poor |
| Mon 08:00 | 1.12 · high | 4.60 · good | 28.20 · good | poor |
| Mon 09:00 | 1.12 · high | 5.80 · high | 28.10 · good | poor |
| Mon 10:00 | 0.98 · high | 1.96 · good | 28.10 · good | poor |
| Mon 11:00 | 0.98 · high | 0.95 · good | 28.10 · good | poor |
| Mon 12:00 | 0.98 · high | 1.33 · good | 28.00 · good | poor |
| Mon 13:00 | 0.98 · high | 1.33 · good | 28.00 · good | poor |
| Mon 14:00 | 0.98 · high | 1.65 · good | 27.90 · good | poor |
| Mon 15:00 | 0.98 · high | 1.52 · good | 27.90 · good | poor |
| Mon 16:00 | 0.98 · high | 1.11 · good | 27.90 · good | fair |
| Mon 17:00 | 0.98 · high | 1.50 · good | 27.80 · good | fair |
| Mon 18:00 | 0.98 · high | 1.09 · good | 27.90 · good | fair |
| Mon 19:00 | 0.98 · high | 0.45 · good | 28.00 · good | fair |
| Mon 20:00 | 0.98 · high | 0.21 · good | 28.10 · good | fair |
| Mon 21:00 | 0.98 · high | 0.40 · good | 28.30 · good | fair |
| Mon 22:00 | 0.98 · high | 0.92 · good | 28.40 · good | fair |
| Mon 23:00 | 0.98 · high | 1.32 · good | 28.50 · good | fair |
| Tue 00:00 | 0.98 · high | 1.40 · good | 28.60 · good | poor |
| Tue 01:00 | 0.98 · high | 1.25 · good | 28.60 · good | poor |
| Tue 02:00 | 1.00 · high | 1.00 · good | 28.60 · good | poor |
| Tue 03:00 | 1.00 · high | 0.61 · good | 28.60 · good | poor |
| Tue 04:00 | 1.00 · high | 0.36 · good | 28.50 · good | poor |
| Tue 05:00 | 1.00 · high | 0.96 · good | 28.40 · good | poor |
| Tue 06:00 | 1.00 · high | 1.66 · good | 28.40 · good | poor |
| Tue 07:00 | 1.00 · high | 1.94 · good | 28.30 · good | poor |
| Tue 08:00 | 0.98 · high | 1.90 · good | 28.20 · good | poor |
| Tue 09:00 | 0.98 · high | 1.95 · good | 28.20 · good | poor |
| Tue 10:00 | 0.98 · high | 1.93 · good | 28.10 · good | poor |