Tuesday
❌ Poor conditions
Main blocker: Waves
MARINE REPORT / 72 HOURS
USA · Updated Tue 14:15 (HST) · Source: Snapshot
The skinny
Poor Data updated Tue 14:15 (HST)Anini Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Tue 17:00 (HST)
No fresh data for this period.
Fair · 4.4/10
Thu 09:00 (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.
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.
Next early morning high tide: Wed 04:00
Wed 04:00, Wed 13:00, Fri 05:00
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
Sat 17:00 – Tue 17:00 (HST)
Best snorkel score is 0.47 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 2.1m to 2.22m).
Wind is at or below 5.4m/s in 23/24 sampled hours (range 2.73 to 5.52m/s).
Tides range from 0.38m to 0.77m; 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 17:00 | 2.10 · high | 4.26 · good | 26.80 · good | Poor |
| Sat 18:00 | 2.12 · high | 3.92 · good | 26.80 · good | Poor |
| Sat 19:00 | 2.16 · high | 4.03 · good | 26.70 · good | Poor |
| Sat 20:00 | 2.18 · high | 4.27 · good | 26.70 · good | Poor |
| Sat 21:00 | 2.20 · high | 4.07 · good | 26.70 · good | Poor |
| Sat 22:00 | 2.20 · high | 3.65 · good | 26.70 · good | Poor |
| Sat 23:00 | 2.22 · high | 3.66 · good | 26.70 · good | Poor |
| Sun 00:00 | 2.16 · high | 4.40 · good | 26.60 · good | Poor |
| Sun 01:00 | 2.14 · high | 4.85 · good | 26.60 · good | Poor |
| Sun 02:00 | 2.12 · high | 3.80 · good | 26.60 · good | Poor |
| Sun 03:00 | 2.12 · high | 2.73 · good | 26.60 · good | Poor |
| Sun 04:00 | 2.10 · high | 4.44 · good | 26.60 · good | Poor |
| Sun 05:00 | 2.10 · high | 4.60 · good | 26.50 · good | Poor |
| Sun 06:00 | 2.10 · high | 3.21 · good | 26.50 · good | Poor |
| Sun 07:00 | 2.10 · high | 4.32 · good | 26.50 · good | Fair |
| Sun 08:00 | 2.10 · high | 3.99 · good | 26.50 · good | Fair |
| Sun 09:00 | 2.12 · high | 4.76 · good | 26.50 · good | Fair |
| Sun 10:00 | 2.12 · high | 4.92 · good | 26.50 · good | Fair |
| Sun 11:00 | 2.14 · high | 5.20 · good | 26.60 · good | Fair |
| Sun 12:00 | 2.14 · high | 5.30 · good | 26.60 · good | Fair |
| Sun 13:00 | 2.18 · high | 5.52 · high | 26.60 · good | Fair |
| Sun 14:00 | 2.16 · high | 5.35 · good | 26.60 · good | Poor |
| Sun 15:00 | 2.16 · high | 5.14 · good | 26.60 · good | Poor |
| Sun 16:00 | 2.16 · high | 5.16 · good | 26.60 · good | Poor |
| Sun 17:00 | 2.16 · high | 4.35 · good | 26.60 · good | Poor |
| Sun 18:00 | 2.20 · high | 4.49 · good | 26.50 · good | Poor |
| Sun 19:00 | 2.22 · high | 5.20 · good | 26.50 · good | Poor |
| Sun 20:00 | 2.26 · high | 4.81 · good | 26.50 · good | Poor |
| Sun 21:00 | 2.28 · high | 4.66 · good | 26.50 · good | Poor |
| Sun 22:00 | 2.28 · high | 4.71 · good | 26.50 · good | Poor |
| Sun 23:00 | 2.30 · high | 4.37 · good | 26.50 · good | Poor |
| Mon 00:00 | 2.30 · high | 4.46 · good | 26.50 · good | Poor |
| Mon 01:00 | 2.26 · high | 4.79 · good | 26.50 · good | Poor |
| Mon 02:00 | 2.26 · high | 4.49 · good | 26.50 · good | Poor |
| Mon 03:00 | 2.26 · high | 4.20 · good | 26.50 · good | Poor |
| Mon 04:00 | 2.24 · high | 4.20 · good | 26.50 · good | Poor |
| Mon 05:00 | 2.24 · high | 4.31 · good | 26.40 · good | Poor |
| Mon 06:00 | 2.24 · high | 4.06 · good | 26.40 · good | Poor |
| Mon 07:00 | 2.22 · high | 4.08 · good | 26.40 · good | Fair |
| Mon 08:00 | 2.22 · high | 4.17 · good | 26.40 · good | Fair |
| Mon 09:00 | 2.22 · high | 3.86 · good | 26.40 · good | Fair |
| Mon 10:00 | 2.22 · high | 5.11 · good | 26.40 · good | Fair |
| Mon 11:00 | 2.24 · high | 5.00 · good | 26.50 · good | Fair |
| Mon 12:00 | 2.24 · high | 5.49 · high | 26.50 · good | Fair |
| Mon 13:00 | 2.26 · high | 5.53 · high | 26.50 · good | Fair |
| Mon 14:00 | 2.26 · high | 5.54 · high | 26.50 · good | Poor |
| Mon 15:00 | 2.24 · high | 5.50 · high | 26.50 · good | Poor |
| Mon 16:00 | 2.22 · high | 5.35 · good | 26.50 · good | Poor |
| Mon 17:00 | 2.20 · high | 5.02 · good | 26.50 · good | Poor |
| Mon 18:00 | 2.22 · high | 4.85 · good | 26.40 · good | Poor |
| Mon 19:00 | 2.22 · high | 4.76 · good | 26.40 · good | Poor |
| Mon 20:00 | 2.26 · high | 4.36 · good | 26.40 · good | Poor |
| Mon 21:00 | 2.24 · high | 4.46 · good | 26.40 · good | Poor |
| Mon 22:00 | 2.24 · high | 4.50 · good | 26.40 · good | Poor |
| Mon 23:00 | 2.22 · high | 4.85 · good | 26.40 · good | Poor |
| Tue 00:00 | 2.22 · high | 4.90 · good | 26.40 · good | Poor |
| Tue 01:00 | 2.22 · high | 4.50 · good | 26.40 · good | Poor |
| Tue 02:00 | 2.22 · high | 4.42 · good | 26.40 · good | Poor |
| Tue 03:00 | 2.20 · high | 4.80 · good | 26.40 · good | Poor |
| Tue 04:00 | 2.18 · high | 4.33 · good | 26.40 · good | Poor |
| Tue 05:00 | 2.16 · high | 4.09 · good | 26.40 · good | Poor |
| Tue 06:00 | 2.14 · high | 3.72 · good | 26.40 · good | Poor |
| Tue 07:00 | 2.14 · high | 4.17 · good | 26.40 · good | Fair |
| Tue 08:00 | 2.12 · high | 4.29 · good | 26.40 · good | Fair |
| Tue 09:00 | 2.12 · high | 4.76 · good | 26.40 · good | Fair |
| Tue 10:00 | 2.14 · high | 4.51 · good | 26.40 · good | Fair |
| Tue 11:00 | 2.14 · high | 5.21 · good | 26.40 · good | Fair |
| Tue 12:00 | 2.06 · high | 5.40 · good | 26.40 · good | Fair |
| Tue 13:00 | 2.04 · high | 5.30 · good | 26.40 · good | Fair |
| Tue 14:00 | 2.02 · high | 5.00 · good | 26.40 · good | Poor |
| Tue 15:00 | 2.00 · high | 5.05 · good | 26.40 · good | Poor |
| Tue 16:00 | 2.00 · high | 4.80 · good | 26.40 · good | Poor |