Tuesday
❌ poor conditions
Main blocker: Waves
USA · Updated Tue 05:16 (HST) · Source: Snapshot
The skinny
Marginal Report Tue 17:31Two 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
No useful morning window is showing yet.
No useful afternoon window is showing yet.
Best nearby spots
No safe window in the next 72 hours
Use the best-available section for the least-bad times.
Tuesday
❌ poor conditions
Main blocker: Waves
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 06:00, 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
Thu 03:00 – Sun 03:00 (HST)
Best snorkel score is 0.58 around Thu 11:00; 8 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 0.78m to 0.84m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.05 to 1.8m/s).
Tides range from 0.33m to 0.99m; 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 |
|---|---|---|---|---|
| Thu 03:00 | 0.82 · high | 0.97 · good | 28.60 · good | poor |
| Thu 04:00 | 0.82 · high | 1.30 · good | 28.60 · good | poor |
| Thu 05:00 | 0.82 · high | 1.26 · good | 28.50 · good | poor |
| Thu 06:00 | 0.82 · high | 1.56 · good | 28.40 · good | poor |
| Thu 07:00 | 0.82 · high | 1.05 · good | 28.40 · good | poor |
| Thu 08:00 | 0.82 · high | 0.21 · good | 28.30 · good | poor |
| Thu 09:00 | 0.84 · high | 0.90 · good | 28.20 · good | poor |
| Thu 10:00 | 0.84 · high | 0.67 · good | 28.10 · good | poor |
| Thu 11:00 | 0.84 · high | 0.38 · good | 28.10 · good | poor |
| Thu 12:00 | 0.84 · high | 0.25 · good | 28.00 · good | poor |
| Thu 13:00 | 0.84 · high | 0.36 · good | 28.00 · good | poor |
| Thu 14:00 | 0.84 · high | 0.45 · good | 27.90 · good | poor |
| Thu 15:00 | 0.84 · high | 0.05 · good | 27.90 · good | poor |
| Thu 16:00 | 0.84 · high | 0.18 · good | 27.90 · good | good |
| Thu 17:00 | 0.82 · high | 0.64 · good | 27.90 · good | good |
| Thu 18:00 | 0.82 · high | 0.72 · good | 27.90 · good | fair |
| Thu 19:00 | 0.82 · high | 0.79 · good | 28.00 · good | fair |
| Thu 20:00 | 0.80 · high | 0.91 · good | 28.10 · good | fair |
| Thu 21:00 | 0.80 · high | 1.36 · good | 28.30 · good | good |
| Thu 22:00 | 0.80 · high | 1.76 · good | 28.50 · good | good |
| Thu 23:00 | 0.80 · high | 1.80 · good | 28.60 · good | fair |
| Fri 00:00 | 0.80 · high | 1.78 · good | 28.70 · good | poor |
| Fri 01:00 | 0.80 · high | 1.60 · good | 28.70 · good | poor |
| Fri 02:00 | 0.78 · high | 1.48 · good | 28.70 · good | poor |
| Fri 03:00 | 0.78 · high | 0.65 · good | 28.60 · good | poor |
| Fri 04:00 | 0.78 · high | 0.46 · good | 28.50 · good | poor |
| Fri 05:00 | 0.78 · high | 0.11 · good | 28.50 · good | poor |
| Fri 06:00 | 0.78 · high | 0.89 · good | 28.40 · good | poor |
| Fri 07:00 | 0.78 · high | 0.98 · good | 28.40 · good | poor |
| Fri 08:00 | 0.78 · high | 1.76 · good | 28.30 · good | poor |
| Fri 09:00 | 0.78 · high | 2.10 · good | 28.30 · good | poor |
| Fri 10:00 | 0.78 · high | 1.64 · good | 28.20 · good | poor |
| Fri 11:00 | 0.78 · high | 1.05 · good | 28.20 · good | poor |
| Fri 12:00 | 0.78 · high | 0.51 · good | 28.10 · good | poor |
| Fri 13:00 | 0.78 · high | 0.40 · good | 28.10 · good | poor |
| Fri 14:00 | 0.76 · high | 0.38 · good | 28.00 · good | poor |
| Fri 15:00 | 0.76 · high | 0.36 · good | 28.00 · good | poor |
| Fri 16:00 | 0.76 · high | 0.45 · good | 28.00 · good | good |
| Fri 17:00 | 0.74 · high | 0.55 · good | 28.00 · good | good |
| Fri 18:00 | 0.74 · high | 0.36 · good | 28.00 · good | good |
| Fri 19:00 | 0.74 · high | 0.40 · good | 28.10 · good | good |
| Fri 20:00 | 0.72 · high | 0.60 · good | 28.20 · good | fair |
| Fri 21:00 | 0.72 · high | 0.85 · good | 28.40 · good | fair |
| Fri 22:00 | 0.72 · high | 1.11 · good | 28.50 · good | fair |
| Fri 23:00 | 0.72 · high | 1.75 · good | 28.70 · good | fair |
| Sat 00:00 | 0.72 · high | 1.90 · good | 28.70 · good | poor |
| Sat 01:00 | 0.72 · high | 1.31 · good | 28.70 · good | poor |
| Sat 02:00 | 0.74 · high | 0.89 · good | 28.70 · good | poor |
| Sat 03:00 | 0.74 · high | 0.56 · good | 28.70 · good | poor |
| Sat 04:00 | 0.74 · high | 1.36 · good | 28.60 · good | poor |
| Sat 05:00 | 0.76 · high | 1.45 · good | 28.50 · good | poor |
| Sat 06:00 | 0.76 · high | 1.46 · good | 28.50 · good | poor |
| Sat 07:00 | 0.76 · high | 1.25 · good | 28.40 · good | poor |
| Sat 08:00 | 0.76 · high | 0.91 · good | 28.40 · good | poor |
| Sat 09:00 | 0.76 · high | 0.52 · good | 28.30 · good | poor |
| Sat 10:00 | 0.76 · high | 0.81 · good | 28.30 · good | poor |
| Sat 11:00 | 0.74 · high | 0.35 · good | 28.20 · good | poor |
| Sat 12:00 | 0.74 · high | 0.61 · good | 28.20 · good | poor |
| Sat 13:00 | 0.74 · high | 0.60 · good | 28.10 · good | poor |
| Sat 14:00 | 0.74 · high | 0.78 · good | 28.10 · good | poor |
| Sat 15:00 | 0.74 · high | 0.93 · good | 28.00 · good | poor |
| Sat 16:00 | 0.74 · high | 1.27 · good | 28.00 · good | fair |
| Sat 17:00 | 0.72 · high | 1.30 · good | 28.00 · good | fair |
| Sat 18:00 | 0.72 · high | 1.21 · good | 28.00 · good | fair |
| Sat 19:00 | 0.72 · high | 1.25 · good | 28.10 · good | good |
| Sat 20:00 | 0.72 · high | 1.20 · good | 28.20 · good | fair |
| Sat 21:00 | 0.72 · high | 0.86 · good | 28.40 · good | fair |
| Sat 22:00 | 0.72 · high | 1.08 · good | 28.50 · good | fair |
| Sat 23:00 | 0.72 · high | 1.60 · good | 28.70 · good | fair |
| Sun 00:00 | 0.72 · high | 1.15 · good | 28.70 · good | poor |
| Sun 01:00 | 0.72 · high | 1.06 · good | 28.70 · good | poor |
| Sun 02:00 | 0.74 · high | 0.85 · good | 28.70 · good | poor |