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 16:00 (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 16:00 – Tue 16:00 (HST)
Best snorkel score is 0.47 around Sun 07:00; 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 1.54m to 2.06m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.87 to 3.88m/s).
Tides range from 0.27m to 0.91m; 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 |
|---|---|---|---|---|
| Sat 16:00 | 1.54 · high | 2.11 · good | 26.50 · good | Poor |
| Sat 17:00 | 1.58 · high | 2.29 · good | 26.50 · good | Poor |
| Sat 18:00 | 1.62 · high | 2.06 · good | 26.40 · good | Poor |
| Sat 19:00 | 1.66 · high | 2.45 · good | 26.40 · good | Poor |
| Sat 20:00 | 1.70 · high | 2.44 · good | 26.40 · good | Poor |
| Sat 21:00 | 1.74 · high | 2.71 · good | 26.40 · good | Poor |
| Sat 22:00 | 1.78 · high | 2.43 · good | 26.40 · good | Poor |
| Sat 23:00 | 1.82 · high | 1.48 · good | 26.40 · good | Poor |
| Sun 00:00 | 2.04 · high | 2.39 · good | 26.30 · good | Poor |
| Sun 01:00 | 2.04 · high | 2.14 · good | 26.30 · good | Poor |
| Sun 02:00 | 2.06 · high | 1.80 · good | 26.30 · good | Poor |
| Sun 03:00 | 2.04 · high | 1.86 · good | 26.30 · good | Poor |
| Sun 04:00 | 2.02 · high | 1.70 · good | 26.20 · good | Poor |
| Sun 05:00 | 2.00 · high | 1.52 · good | 26.20 · good | Poor |
| Sun 06:00 | 1.98 · high | 0.87 · good | 26.20 · good | Poor |
| Sun 07:00 | 1.94 · high | 0.92 · good | 26.20 · good | Fair |
| Sun 08:00 | 1.92 · high | 1.27 · good | 26.20 · good | Fair |
| Sun 09:00 | 1.88 · high | 2.44 · good | 26.20 · good | Fair |
| Sun 10:00 | 1.86 · high | 3.50 · good | 26.30 · good | Poor |
| Sun 11:00 | 1.82 · high | 3.88 · good | 26.30 · good | Fair |
| Sun 12:00 | 1.82 · high | 3.43 · good | 26.30 · good | Fair |
| Sun 13:00 | 1.80 · high | 3.65 · good | 26.40 · good | Fair |
| Sun 14:00 | 1.78 · high | 3.55 · good | 26.40 · good | Poor |
| Sun 15:00 | 1.76 · high | 3.64 · good | 26.40 · good | Poor |
| Sun 16:00 | 1.72 · high | 3.12 · good | 26.40 · good | Poor |
| Sun 17:00 | 1.70 · high | 2.17 · good | 26.30 · good | Poor |
| Sun 18:00 | 1.68 · high | 1.63 · good | 26.30 · good | Poor |
| Sun 19:00 | 1.66 · high | 1.68 · good | 26.30 · good | Poor |
| Sun 20:00 | 1.64 · high | 1.13 · good | 26.30 · good | Poor |
| Sun 21:00 | 1.64 · high | 1.03 · good | 26.30 · good | Poor |
| Sun 22:00 | 1.62 · high | 0.29 · good | 26.30 · good | Poor |
| Sun 23:00 | 1.62 · high | 0.07 · good | 26.20 · good | Poor |
| Mon 00:00 | 1.62 · high | 0.16 · good | 26.20 · good | Poor |
| Mon 01:00 | 1.68 · high | 0.79 · good | 26.20 · good | Poor |
| Mon 02:00 | 1.68 · high | 0.89 · good | 26.20 · good | Poor |
| Mon 03:00 | 1.68 · high | 0.63 · good | 26.20 · good | Poor |
| Mon 04:00 | 1.70 · high | 0.58 · good | 26.20 · good | Poor |
| Mon 05:00 | 1.70 · high | 0.67 · good | 26.20 · good | Poor |
| Mon 06:00 | 1.70 · high | 0.35 · good | 26.20 · good | Poor |
| Mon 07:00 | 1.70 · high | 0.65 · good | 26.20 · good | Fair |
| Mon 08:00 | 1.70 · high | 1.00 · good | 26.20 · good | Fair |
| Mon 09:00 | 1.72 · high | 1.66 · good | 26.20 · good | Fair |
| Mon 10:00 | 1.74 · high | 2.05 · good | 26.20 · good | Fair |
| Mon 11:00 | 1.76 · high | 1.99 · good | 26.30 · good | Fair |
| Mon 12:00 | 1.78 · high | 2.29 · good | 26.30 · good | Fair |
| Mon 13:00 | 1.80 · high | 2.06 · good | 26.30 · good | Fair |
| Mon 14:00 | 1.82 · high | 1.95 · good | 26.30 · good | Poor |
| Mon 15:00 | 1.84 · high | 1.40 · good | 26.30 · good | Poor |
| Mon 16:00 | 1.86 · high | 0.98 · good | 26.30 · good | Poor |
| Mon 17:00 | 1.88 · high | 0.99 · good | 26.30 · good | Poor |
| Mon 18:00 | 1.90 · high | 0.25 · good | 26.30 · good | Poor |
| Mon 19:00 | 1.92 · high | 0.54 · good | 26.30 · good | Poor |
| Mon 20:00 | 1.94 · high | 1.00 · good | 26.30 · good | Poor |
| Mon 21:00 | 1.94 · high | 0.96 · good | 26.30 · good | Poor |
| Mon 22:00 | 1.96 · high | 0.95 · good | 26.30 · good | Poor |
| Mon 23:00 | 1.96 · high | 1.25 · good | 26.10 · good | Poor |
| Tue 00:00 | 1.96 · high | 0.67 · good | 26.10 · good | Poor |
| Tue 01:00 | 1.94 · high | 0.78 · good | 26.10 · good | Poor |
| Tue 02:00 | 1.94 · high | 1.86 · good | 26.10 · good | Poor |
| Tue 03:00 | 1.94 · high | 1.61 · good | 26.10 · good | Poor |
| Tue 04:00 | 1.92 · high | 1.51 · good | 26.10 · good | Poor |
| Tue 05:00 | 1.92 · high | 1.42 · good | 26.10 · good | Poor |
| Tue 06:00 | 1.90 · high | 1.01 · good | 26.10 · good | Poor |
| Tue 07:00 | 1.90 · high | 1.32 · good | 26.10 · good | Fair |
| Tue 08:00 | 1.88 · high | 1.95 · good | 26.10 · good | Fair |
| Tue 09:00 | 1.86 · high | 2.38 · good | 26.10 · good | Fair |
| Tue 10:00 | 1.86 · high | 1.94 · good | 26.10 · good | Fair |
| Tue 11:00 | 1.84 · high | 2.27 · good | 26.10 · good | Fair |
| Tue 12:00 | 1.84 · high | 3.36 · good | 26.10 · good | Poor |
| Tue 13:00 | 1.84 · high | 2.94 · good | 26.10 · good | Poor |
| Tue 14:00 | 1.84 · high | 2.05 · good | 26.10 · good | Poor |
| Tue 15:00 | 1.82 · high | 1.91 · good | 26.10 · good | Poor |