Wednesday
❌ Poor conditions
Main blocker: Waves
USA · Updated Wed 17:07 (HST) · Source: Snapshot
The skinny
Poor Data updated Wed 17:07 (HST)Anini Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Wed 17:00 (HST)
No fresh data for this period.
Fair · 4.9/10
Thu 13:00 (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.
AreaNorth Shore
DifficultyEasy
Best timeMorning
ExposureReef-protected north shore; avoid high surf
ShoreLong sandy beach behind barrier reef
No good model window in the next 72 hours
Use the best-available section for the least-bad times.
Wednesday
❌ Poor 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: Thu 01:00
Thu 01:00, Thu 13:00, Fri 13:00, Sat 02:00, Sat 14:00
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
Tue 17:00 – Fri 17:00 (HST)
Best snorkel score is 0.51 around Wed 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 1.8m to 2.6m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.47 to 3.21m/s).
Tides range from 0.25m to 0.83m; 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 |
|---|---|---|---|---|
| Tue 17:00 | 2.60 · high | 3.21 · good | 27.60 · good | Poor |
| Tue 18:00 | 2.54 · high | 2.73 · good | 27.60 · good | Poor |
| Tue 19:00 | 2.48 · high | 2.64 · good | 27.60 · good | Poor |
| Tue 20:00 | 2.42 · high | 2.02 · good | 27.50 · good | Poor |
| Tue 21:00 | 2.36 · high | 1.87 · good | 27.50 · good | Poor |
| Tue 22:00 | 2.32 · high | 2.09 · good | 27.40 · good | Poor |
| Tue 23:00 | 2.26 · high | 2.61 · good | 27.30 · good | Poor |
| Wed 00:00 | 2.20 · high | 2.77 · good | 27.20 · good | Poor |
| Wed 01:00 | 2.36 · high | 2.39 · good | 27.30 · good | Poor |
| Wed 02:00 | 2.32 · high | 1.79 · good | 27.30 · good | Poor |
| Wed 03:00 | 2.28 · high | 1.60 · good | 27.20 · good | Poor |
| Wed 04:00 | 2.24 · high | 1.53 · good | 27.20 · good | Poor |
| Wed 05:00 | 2.20 · high | 1.41 · good | 27.10 · good | Poor |
| Wed 06:00 | 2.16 · high | 1.38 · good | 27.10 · good | Poor |
| Wed 07:00 | 2.10 · high | 1.28 · good | 27.10 · good | Fair |
| Wed 08:00 | 2.06 · high | 0.70 · good | 27.10 · good | Fair |
| Wed 09:00 | 1.98 · high | 1.42 · good | 27.20 · good | Fair |
| Wed 10:00 | 1.94 · high | 2.45 · good | 27.30 · good | Fair |
| Wed 11:00 | 1.92 · high | 3.05 · good | 27.40 · good | Fair |
| Wed 12:00 | 1.90 · high | 2.94 · good | 27.50 · good | Fair |
| Wed 13:00 | 1.86 · high | 2.24 · good | 27.60 · good | Fair |
| Wed 14:00 | 1.84 · high | 0.80 · good | 27.60 · good | Poor |
| Wed 15:00 | 1.82 · high | 0.81 · good | 27.60 · good | Poor |
| Wed 16:00 | 1.80 · high | 0.47 · good | 27.60 · good | Poor |
| Wed 17:00 | 1.78 · high | 0.53 · good | 27.60 · good | Poor |
| Wed 18:00 | 1.76 · high | 0.80 · good | 27.60 · good | Poor |
| Wed 19:00 | 1.76 · high | 0.82 · good | 27.60 · good | Poor |
| Wed 20:00 | 1.74 · high | 0.96 · good | 27.50 · good | Poor |
| Wed 21:00 | 1.72 · high | 1.03 · good | 27.50 · good | Poor |
| Wed 22:00 | 1.70 · high | 0.81 · good | 27.50 · good | Poor |
| Wed 23:00 | 1.68 · high | 1.27 · good | 27.40 · good | Poor |
| Thu 00:00 | 1.64 · high | 0.95 · good | 27.40 · good | Poor |
| Thu 01:00 | 1.58 · high | 1.57 · good | 27.20 · good | Poor |
| Thu 02:00 | 1.54 · high | 0.67 · good | 27.10 · good | Poor |
| Thu 03:00 | 1.54 · high | 0.97 · good | 27.00 · good | Poor |
| Thu 04:00 | 1.52 · high | 1.50 · good | 27.00 · good | Poor |
| Thu 05:00 | 1.52 · high | 1.70 · good | 26.90 · good | Poor |
| Thu 06:00 | 1.52 · high | 1.28 · good | 26.80 · good | Poor |
| Thu 07:00 | 1.50 · high | 1.13 · good | 26.80 · good | Fair |
| Thu 08:00 | 1.50 · high | 2.86 · good | 26.80 · good | Fair |
| Thu 09:00 | 1.54 · high | 3.33 · good | 26.80 · good | Fair |
| Thu 10:00 | 1.54 · high | 4.05 · good | 26.90 · good | Fair |
| Thu 11:00 | 1.56 · high | 4.21 · good | 27.00 · good | Poor |
| Thu 12:00 | 1.56 · high | 4.46 · good | 27.10 · good | Poor |
| Thu 13:00 | 1.58 · high | 3.62 · good | 27.20 · good | Fair |
| Thu 14:00 | 1.58 · high | 3.88 · good | 27.20 · good | Poor |
| Thu 15:00 | 1.58 · high | 3.54 · good | 27.20 · good | Poor |
| Thu 16:00 | 1.58 · high | 3.60 · good | 27.20 · good | Poor |
| Thu 17:00 | 1.58 · high | 3.86 · good | 27.20 · good | Poor |
| Thu 18:00 | 1.56 · high | 3.36 · good | 27.20 · good | Poor |
| Thu 19:00 | 1.56 · high | 2.93 · good | 27.10 · good | Poor |
| Thu 20:00 | 1.54 · high | 2.37 · good | 27.10 · good | Poor |
| Thu 21:00 | 1.54 · high | 2.61 · good | 27.00 · good | Poor |
| Thu 22:00 | 1.52 · high | 1.70 · good | 27.00 · good | Poor |
| Thu 23:00 | 1.52 · high | 1.63 · good | 26.90 · good | Poor |
| Fri 00:00 | 1.54 · high | 2.02 · good | 26.80 · good | Poor |
| Fri 01:00 | 1.64 · high | 3.11 · good | 26.40 · good | Poor |
| Fri 02:00 | 1.68 · high | 3.02 · good | 26.40 · good | Poor |
| Fri 03:00 | 1.68 · high | 2.85 · good | 26.40 · good | Poor |
| Fri 04:00 | 1.66 · high | 2.60 · good | 26.40 · good | Poor |
| Fri 05:00 | 1.66 · high | 2.52 · good | 26.50 · good | Poor |
| Fri 06:00 | 1.66 · high | 2.13 · good | 26.60 · good | Poor |
| Fri 07:00 | 1.66 · high | 2.42 · good | 26.60 · good | Fair |
| Fri 08:00 | 1.66 · high | 2.79 · good | 26.70 · good | Fair |
| Fri 09:00 | 1.66 · high | 3.09 · good | 26.70 · good | Poor |
| Fri 10:00 | 1.62 · high | 4.04 · good | 26.70 · good | Poor |
| Fri 11:00 | 1.60 · high | 3.83 · good | 26.80 · good | Poor |
| Fri 12:00 | 1.58 · high | 4.12 · good | 26.80 · good | Poor |
| Fri 13:00 | 1.54 · high | 4.09 · good | 26.80 · good | Fair |
| Fri 14:00 | 1.52 · high | 4.06 · good | 26.80 · good | Poor |
| Fri 15:00 | 1.52 · high | 3.22 · good | 26.80 · good | Poor |
| Fri 16:00 | 1.52 · high | 3.52 · good | 26.80 · good | Poor |