Wednesday
❌ Poor conditions
Main blocker: Waves
USA · Updated Wed 20:40 (HST) · Source: Snapshot
The skinny
Poor Data updated Wed 20:40 (HST)Anini Beach has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Wed 20:00 (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
Thu 20:00 – Sun 20:00 (HST)
Best snorkel score is 0.46 around Fri 08:00; 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 1.9m to 2.08m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 3.34 to 5.27m/s).
Tides range from 0.29m to 0.8m; 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 |
|---|---|---|---|---|
| Thu 20:00 | 2.06 · high | 3.91 · good | 26.30 · good | Poor |
| Thu 21:00 | 2.06 · high | 3.85 · good | 26.30 · good | Poor |
| Thu 22:00 | 2.08 · high | 4.12 · good | 26.30 · good | Poor |
| Thu 23:00 | 2.08 · high | 4.05 · good | 26.30 · good | Poor |
| Fri 00:00 | 2.08 · high | 4.25 · good | 26.20 · good | Poor |
| Fri 01:00 | 1.94 · high | 3.85 · good | 26.10 · good | Poor |
| Fri 02:00 | 1.94 · high | 3.72 · good | 26.10 · good | Poor |
| Fri 03:00 | 1.96 · high | 3.55 · good | 26.10 · good | Poor |
| Fri 04:00 | 1.96 · high | 3.36 · good | 26.00 · good | Poor |
| Fri 05:00 | 1.98 · high | 3.34 · good | 26.00 · good | Poor |
| Fri 06:00 | 1.98 · high | 4.17 · good | 26.00 · good | Poor |
| Fri 07:00 | 1.98 · high | 4.15 · good | 26.00 · good | Poor |
| Fri 08:00 | 1.98 · high | 4.30 · good | 26.00 · good | Fair |
| Fri 09:00 | 1.92 · high | 4.56 · good | 26.00 · good | Fair |
| Fri 10:00 | 1.90 · high | 5.12 · good | 26.10 · good | Fair |
| Fri 11:00 | 1.90 · high | 5.23 · good | 26.10 · good | Fair |
| Fri 12:00 | 1.90 · high | 5.27 · good | 26.10 · good | Fair |
| Fri 13:00 | 1.92 · high | 5.15 · good | 26.20 · good | Fair |
| Fri 14:00 | 1.92 · high | 5.13 · good | 26.20 · good | Poor |
| Fri 15:00 | 1.92 · high | 4.91 · good | 26.20 · good | Poor |
| Fri 16:00 | 1.94 · high | 4.18 · good | 26.20 · good | Poor |
| Fri 17:00 | 1.94 · high | 4.13 · good | 26.10 · good | Poor |
| Fri 18:00 | 1.96 · high | 3.55 · good | 26.10 · good | Poor |
| Fri 19:00 | 1.96 · high | 3.47 · good | 26.10 · good | Poor |
| Fri 20:00 | 1.98 · high | 4.46 · good | 26.10 · good | Poor |
| Fri 21:00 | 1.98 · high | 4.40 · good | 26.10 · good | Poor |
| Fri 22:00 | 2.00 · high | 4.45 · good | 26.00 · good | Poor |
| Fri 23:00 | 2.00 · high | 4.09 · good | 26.00 · good | Poor |
| Sat 00:00 | 2.00 · high | 3.37 · good | 26.00 · good | Poor |
| Sat 01:00 | 2.02 · high | 3.68 · good | 26.00 · good | Poor |
| Sat 02:00 | 2.02 · high | 3.81 · good | 26.00 · good | Poor |
| Sat 03:00 | 2.00 · high | 3.30 · good | 26.00 · good | Poor |
| Sat 04:00 | 1.98 · high | 3.03 · good | 25.90 · good | Poor |
| Sat 05:00 | 1.96 · high | 2.60 · good | 25.90 · good | Poor |
| Sat 06:00 | 1.96 · high | 2.63 · good | 25.90 · good | Poor |
| Sat 07:00 | 1.96 · high | 3.29 · good | 25.90 · good | Fair |
| Sat 08:00 | 1.96 · high | 4.02 · good | 25.90 · good | Fair |
| Sat 09:00 | 1.96 · high | 4.65 · good | 25.90 · good | Fair |
| Sat 10:00 | 2.08 · high | 4.73 · good | 25.90 · good | Fair |
| Sat 11:00 | 2.10 · high | 4.98 · good | 26.00 · good | Fair |
| Sat 12:00 | 2.12 · high | 4.60 · good | 26.00 · good | Fair |
| Sat 13:00 | 2.12 · high | 5.19 · good | 26.10 · good | Fair |
| Sat 14:00 | 2.14 · high | 5.59 · high | 26.10 · good | Poor |
| Sat 15:00 | 2.14 · high | 4.68 · good | 26.10 · good | Poor |
| Sat 16:00 | 2.12 · high | 4.72 · good | 26.10 · good | Poor |
| Sat 17:00 | 2.12 · high | 4.47 · good | 26.00 · good | Poor |
| Sat 18:00 | 2.12 · high | 3.73 · good | 26.00 · good | Poor |
| Sat 19:00 | 2.12 · high | 3.63 · good | 26.00 · good | Poor |
| Sat 20:00 | 2.12 · high | 3.45 · good | 26.00 · good | Poor |
| Sat 21:00 | 2.10 · high | 3.27 · good | 26.00 · good | Poor |
| Sat 22:00 | 2.10 · high | 3.37 · good | 25.90 · good | Poor |
| Sat 23:00 | 2.08 · high | 3.45 · good | 25.90 · good | Poor |
| Sun 00:00 | 2.06 · high | 3.80 · good | 25.90 · good | Poor |
| Sun 01:00 | 1.98 · high | 3.34 · good | 26.00 · good | Poor |
| Sun 02:00 | 1.96 · high | 1.64 · good | 26.00 · good | Poor |
| Sun 03:00 | 1.96 · high | 2.74 · good | 26.00 · good | Poor |
| Sun 04:00 | 1.96 · high | 2.28 · good | 26.00 · good | Poor |
| Sun 05:00 | 1.96 · high | 2.86 · good | 26.00 · good | Poor |
| Sun 06:00 | 1.98 · high | 1.79 · good | 26.00 · good | Poor |
| Sun 07:00 | 2.02 · high | 2.74 · good | 26.00 · good | Fair |
| Sun 08:00 | 2.04 · high | 3.81 · good | 26.00 · good | Poor |
| Sun 09:00 | 2.04 · high | 3.97 · good | 26.10 · good | Fair |
| Sun 10:00 | 2.04 · high | 4.92 · good | 26.10 · good | Fair |
| Sun 11:00 | 2.04 · high | 4.75 · good | 26.10 · good | Fair |
| Sun 12:00 | 2.04 · high | 3.85 · good | 26.20 · good | Fair |
| Sun 13:00 | 2.02 · high | 4.00 · good | 26.20 · good | Poor |
| Sun 14:00 | 2.02 · high | 5.30 · good | 26.20 · good | Poor |
| Sun 15:00 | 2.00 · high | 5.04 · good | 26.20 · good | Poor |
| Sun 16:00 | 1.96 · high | 4.90 · good | 26.20 · good | Poor |
| Sun 17:00 | 1.94 · high | 4.87 · good | 26.20 · good | Poor |
| Sun 18:00 | 1.94 · high | 4.48 · good | 26.20 · good | Poor |
| Sun 19:00 | 1.94 · high | 4.09 · good | 26.20 · good | Poor |