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 14:00 (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
Tue 14:00 – Fri 14:00 (HST)
Best snorkel score is 0.42 around Wed 11:00; 4 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 2.32m to 2.66m).
Wind is at or below 5.4m/s in 20/24 sampled hours (range 4.16 to 5.92m/s).
Tides range from 0.39m to 0.75m; 1 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 14:00 | 2.66 · high | 5.33 · good | 26.00 · good | Poor |
| Tue 15:00 | 2.66 · high | 5.34 · good | 26.00 · good | Poor |
| Tue 16:00 | 2.66 · high | 5.56 · high | 26.00 · good | Poor |
| Tue 17:00 | 2.66 · high | 4.97 · good | 26.00 · good | Poor |
| Tue 18:00 | 2.66 · high | 4.57 · good | 26.00 · good | Poor |
| Tue 19:00 | 2.64 · high | 4.40 · good | 26.00 · good | Poor |
| Tue 20:00 | 2.64 · high | 4.46 · good | 26.00 · good | Poor |
| Tue 21:00 | 2.62 · high | 4.20 · good | 26.00 · good | Poor |
| Tue 22:00 | 2.62 · high | 4.16 · good | 26.00 · good | Poor |
| Tue 23:00 | 2.62 · high | 4.94 · good | 26.00 · good | Poor |
| Wed 00:00 | 2.62 · high | 4.33 · good | 25.90 · good | Poor |
| Wed 01:00 | 2.60 · high | 5.14 · good | 25.90 · good | Poor |
| Wed 02:00 | 2.60 · high | 4.38 · good | 25.90 · good | Poor |
| Wed 03:00 | 2.58 · high | 5.41 · high | 25.90 · good | Poor |
| Wed 04:00 | 2.54 · high | 4.88 · good | 25.90 · good | Poor |
| Wed 05:00 | 2.52 · high | 5.40 · good | 25.90 · good | Poor |
| Wed 06:00 | 2.48 · high | 5.07 · good | 25.90 · good | Poor |
| Wed 07:00 | 2.42 · high | 5.06 · good | 25.90 · good | Poor |
| Wed 08:00 | 2.38 · high | 4.81 · good | 25.90 · good | Fair |
| Wed 09:00 | 2.36 · high | 5.89 · high | 25.90 · good | Fair |
| Wed 10:00 | 2.32 · high | 5.22 · good | 25.90 · good | Fair |
| Wed 11:00 | 2.50 · high | 5.30 · good | 26.00 · good | Fair |
| Wed 12:00 | 2.50 · high | 5.27 · good | 26.00 · good | Poor |
| Wed 13:00 | 2.50 · high | 5.92 · high | 26.00 · good | Poor |
| Wed 14:00 | 2.50 · high | 6.14 · high | 26.00 · good | Poor |
| Wed 15:00 | 2.52 · high | 5.69 · high | 26.00 · good | Poor |
| Wed 16:00 | 2.54 · high | 4.94 · good | 26.00 · good | Poor |
| Wed 17:00 | 2.56 · high | 5.13 · good | 26.00 · good | Poor |
| Wed 18:00 | 2.58 · high | 5.02 · good | 26.00 · good | Poor |
| Wed 19:00 | 2.60 · high | 4.97 · good | 26.00 · good | Poor |
| Wed 20:00 | 2.62 · high | 4.63 · good | 26.00 · good | Poor |
| Wed 21:00 | 2.66 · high | 5.11 · good | 26.00 · good | Poor |
| Wed 22:00 | 2.68 · high | 5.01 · good | 26.00 · good | Poor |
| Wed 23:00 | 2.72 · high | 5.02 · good | 26.00 · good | Poor |
| Thu 00:00 | 2.86 · high | 4.10 · good | 25.90 · good | Poor |
| Thu 01:00 | 2.90 · high | 4.20 · good | 25.90 · good | Poor |
| Thu 02:00 | 2.92 · high | 3.60 · good | 25.90 · good | Poor |
| Thu 03:00 | 2.92 · high | 4.20 · good | 25.90 · good | Poor |
| Thu 04:00 | 2.94 · high | 4.17 · good | 25.90 · good | Poor |
| Thu 05:00 | 2.94 · high | 3.82 · good | 25.90 · good | Poor |
| Thu 06:00 | 2.94 · high | 3.46 · good | 25.90 · good | Poor |
| Thu 07:00 | 2.94 · high | 3.65 · good | 25.90 · good | Fair |
| Thu 08:00 | 2.94 · high | 3.87 · good | 25.90 · good | Fair |
| Thu 09:00 | 2.94 · high | 3.70 · good | 25.90 · good | Fair |
| Thu 10:00 | 2.92 · high | 3.51 · good | 25.90 · good | Fair |
| Thu 11:00 | 2.92 · high | 3.99 · good | 25.90 · good | Fair |
| Thu 12:00 | 2.94 · high | 5.01 · good | 26.00 · good | Poor |
| Thu 13:00 | 2.94 · high | 4.60 · good | 26.00 · good | Poor |
| Thu 14:00 | 2.92 · high | 4.61 · good | 26.00 · good | Poor |
| Thu 15:00 | 2.88 · high | 3.32 · good | 26.00 · good | Poor |
| Thu 16:00 | 2.86 · high | 3.20 · good | 26.00 · good | Poor |
| Thu 17:00 | 2.82 · high | 3.32 · good | 26.00 · good | Poor |
| Thu 18:00 | 2.78 · high | 2.45 · good | 26.00 · good | Poor |
| Thu 19:00 | 2.74 · high | 2.38 · good | 26.00 · good | Poor |
| Thu 20:00 | 2.70 · high | 2.80 · good | 26.00 · good | Poor |
| Thu 21:00 | 2.68 · high | 2.92 · good | 26.00 · good | Poor |
| Thu 22:00 | 2.66 · high | 2.20 · good | 26.00 · good | Poor |
| Thu 23:00 | 2.64 · high | 3.25 · good | 26.00 · good | Poor |
| Fri 00:00 | 2.74 · high | 3.35 · good | 26.00 · good | Poor |
| Fri 01:00 | 2.76 · high | 3.67 · good | 26.00 · good | Poor |
| Fri 02:00 | 2.76 · high | 3.80 · good | 26.00 · good | Poor |
| Fri 03:00 | 2.76 · high | 3.79 · good | 26.00 · good | Poor |
| Fri 04:00 | 2.78 · high | 4.52 · good | 26.00 · good | Poor |
| Fri 05:00 | 2.78 · high | 4.36 · good | 26.00 · good | Poor |
| Fri 06:00 | 2.80 · high | 3.86 · good | 26.00 · good | Poor |
| Fri 07:00 | 2.82 · high | 3.43 · good | 26.00 · good | Fair |
| Fri 08:00 | 2.84 · high | 4.43 · good | 26.00 · good | Fair |
| Fri 09:00 | 2.84 · high | 5.02 · good | 26.00 · good | Fair |
| Fri 10:00 | 2.82 · high | 4.69 · good | 26.00 · good | Poor |
| Fri 11:00 | 2.82 · high | 5.02 · good | 26.00 · good | Poor |
| Fri 12:00 | 2.78 · high | 5.17 · good | 26.00 · good | Fair |
| Fri 13:00 | 2.66 · high | 4.54 · good | 26.00 · good | Poor |