Tuesday
❌ Poor conditions
Main blocker: Waves
MARINE REPORT / 72 HOURS
USA · Updated Tue 11:07 (HST) · Source: Snapshot
The skinny
Poor Data updated Tue 11:07 (HST)Anini Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Fair · 4.0/10
Tue 13:00 (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 peak drift risk around Tue 15:00.
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
Sun 13:00 – Wed 13:00 (HST)
Best snorkel score is 0.46 around Sun 13:00; 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 2.38m to 2.6m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 3.81 to 5.26m/s).
Tides range from 0.23m to 0.91m; 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 |
|---|---|---|---|---|
| Sun 13:00 | 2.60 · high | 5.08 · good | 25.80 · good | Fair |
| Sun 14:00 | 2.58 · high | 5.01 · good | 25.80 · good | Poor |
| Sun 15:00 | 2.56 · high | 5.16 · good | 25.80 · good | Poor |
| Sun 16:00 | 2.52 · high | 4.84 · good | 25.80 · good | Poor |
| Sun 17:00 | 2.50 · high | 4.68 · good | 25.80 · good | Poor |
| Sun 18:00 | 2.50 · high | 4.81 · good | 25.80 · good | Poor |
| Sun 19:00 | 2.48 · high | 4.81 · good | 25.80 · good | Poor |
| Sun 20:00 | 2.48 · high | 4.78 · good | 25.80 · good | Poor |
| Sun 21:00 | 2.46 · high | 4.99 · good | 25.80 · good | Poor |
| Sun 22:00 | 2.46 · high | 5.09 · good | 25.80 · good | Poor |
| Sun 23:00 | 2.44 · high | 4.99 · good | 25.80 · good | Poor |
| Mon 00:00 | 2.56 · high | 3.91 · good | 25.80 · good | Poor |
| Mon 01:00 | 2.54 · high | 3.81 · good | 25.80 · good | Poor |
| Mon 02:00 | 2.50 · high | 4.00 · good | 25.80 · good | Poor |
| Mon 03:00 | 2.48 · high | 4.80 · good | 25.80 · good | Poor |
| Mon 04:00 | 2.44 · high | 4.70 · good | 25.70 · good | Poor |
| Mon 05:00 | 2.42 · high | 4.61 · good | 25.70 · good | Poor |
| Mon 06:00 | 2.40 · high | 4.65 · good | 25.70 · good | Poor |
| Mon 07:00 | 2.40 · high | 4.57 · good | 25.70 · good | Fair |
| Mon 08:00 | 2.38 · high | 4.72 · good | 25.70 · good | Fair |
| Mon 09:00 | 2.38 · high | 5.06 · good | 25.70 · good | Fair |
| Mon 10:00 | 2.38 · high | 5.08 · good | 25.70 · good | Fair |
| Mon 11:00 | 2.38 · high | 5.04 · good | 25.70 · good | Poor |
| Mon 12:00 | 2.38 · high | 5.26 · good | 25.70 · good | Fair |
| Mon 13:00 | 2.34 · high | 4.81 · good | 25.80 · good | Fair |
| Mon 14:00 | 2.34 · high | 5.17 · good | 25.80 · good | Poor |
| Mon 15:00 | 2.34 · high | 5.00 · good | 25.80 · good | Poor |
| Mon 16:00 | 2.32 · high | 4.85 · good | 25.80 · good | Poor |
| Mon 17:00 | 2.32 · high | 4.68 · good | 25.80 · good | Poor |
| Mon 18:00 | 2.30 · high | 4.41 · good | 25.70 · good | Poor |
| Mon 19:00 | 2.30 · high | 3.50 · good | 25.70 · good | Poor |
| Mon 20:00 | 2.28 · high | 3.70 · good | 25.70 · good | Poor |
| Mon 21:00 | 2.26 · high | 3.53 · good | 25.70 · good | Poor |
| Mon 22:00 | 2.24 · high | 2.71 · good | 25.70 · good | Poor |
| Mon 23:00 | 2.22 · high | 3.27 · good | 25.70 · good | Poor |
| Tue 00:00 | 2.20 · high | 3.11 · good | 25.70 · good | Poor |
| Tue 01:00 | 2.14 · high | 3.94 · good | 25.70 · good | Poor |
| Tue 02:00 | 2.14 · high | 3.15 · good | 25.70 · good | Poor |
| Tue 03:00 | 2.14 · high | 2.73 · good | 25.70 · good | Poor |
| Tue 04:00 | 2.12 · high | 3.31 · good | 25.70 · good | Poor |
| Tue 05:00 | 2.12 · high | 3.05 · good | 25.60 · good | Poor |
| Tue 06:00 | 2.12 · high | 3.09 · good | 25.60 · good | Poor |
| Tue 07:00 | 2.14 · high | 3.03 · good | 25.60 · good | Fair |
| Tue 08:00 | 2.14 · high | 3.29 · good | 25.60 · good | Fair |
| Tue 09:00 | 2.12 · high | 3.52 · good | 25.60 · good | Fair |
| Tue 10:00 | 2.10 · high | 3.79 · good | 25.70 · good | Fair |
| Tue 11:00 | 2.06 · high | 4.18 · good | 25.70 · good | Fair |
| Tue 12:00 | 2.04 · high | 4.64 · good | 25.70 · good | Poor |
| Tue 13:00 | 2.04 · high | 4.60 · good | 25.70 · good | Poor |
| Tue 14:00 | 2.02 · high | 4.79 · good | 25.70 · good | Poor |
| Tue 15:00 | 2.02 · high | 4.98 · good | 25.70 · good | Poor |
| Tue 16:00 | 2.00 · high | 4.96 · good | 25.70 · good | Poor |
| Tue 17:00 | 2.00 · high | 3.94 · good | 25.70 · good | Poor |
| Tue 18:00 | 2.02 · high | 3.89 · good | 25.70 · good | Poor |
| Tue 19:00 | 2.02 · high | 4.01 · good | 25.70 · good | Poor |
| Tue 20:00 | 2.04 · high | 4.42 · good | 25.70 · good | Poor |
| Tue 21:00 | 2.06 · high | 4.31 · good | 25.70 · good | Poor |
| Tue 22:00 | 2.06 · high | 4.07 · good | 25.70 · good | Poor |
| Tue 23:00 | 2.16 · high | 3.94 · good | 25.60 · good | Poor |
| Wed 00:00 | 2.20 · high | 4.93 · good | 25.60 · good | Poor |
| Wed 01:00 | 2.24 · high | 4.52 · good | 25.60 · good | Poor |
| Wed 02:00 | 2.28 · high | 4.94 · good | 25.60 · good | Poor |
| Wed 03:00 | 2.36 · high | 4.79 · good | 25.60 · good | Poor |
| Wed 04:00 | 2.42 · high | 4.62 · good | 25.60 · good | Poor |
| Wed 05:00 | 2.50 · high | 4.85 · good | 25.60 · good | Poor |
| Wed 06:00 | 2.62 · high | 4.57 · good | 25.60 · good | Poor |
| Wed 07:00 | 2.72 · high | 4.23 · good | 25.60 · good | Fair |
| Wed 08:00 | 2.84 · high | 4.68 · good | 25.60 · good | Fair |
| Wed 09:00 | 2.94 · high | 4.92 · good | 25.60 · good | Fair |
| Wed 10:00 | 3.06 · high | 5.22 · good | 25.60 · good | Fair |
| Wed 11:00 | 3.16 · high | 5.68 · high | 25.60 · good | Fair |
| Wed 12:00 | 3.26 · high | 5.36 · good | 25.60 · good | Poor |