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 15:00 (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
Wed 15:00 – Sat 15:00 (HST)
Best snorkel score is 0.41 around Thu 11:00; 5 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 1.68m to 1.82m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 1.95 to 4.42m/s).
Tides range from 0.21m to 0.95m; 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 |
|---|---|---|---|---|
| Wed 15:00 | 1.74 · high | 3.22 · good | 26.20 · good | Poor |
| Wed 16:00 | 1.76 · high | 2.91 · good | 26.20 · good | Poor |
| Wed 17:00 | 1.76 · high | 2.28 · good | 26.20 · good | Poor |
| Wed 18:00 | 1.76 · high | 2.03 · good | 26.10 · good | Poor |
| Wed 19:00 | 1.76 · high | 2.48 · good | 26.10 · good | Poor |
| Wed 20:00 | 1.76 · high | 2.27 · good | 26.10 · good | Poor |
| Wed 21:00 | 1.74 · high | 2.12 · good | 26.10 · good | Poor |
| Wed 22:00 | 1.72 · high | 1.97 · good | 26.10 · good | Poor |
| Wed 23:00 | 1.70 · high | 2.27 · good | 26.10 · good | Poor |
| Thu 00:00 | 1.68 · high | 2.35 · good | 26.10 · good | Poor |
| Thu 01:00 | 1.76 · high | 2.41 · good | 26.10 · good | Poor |
| Thu 02:00 | 1.76 · high | 2.74 · good | 26.10 · good | Poor |
| Thu 03:00 | 1.76 · high | 2.80 · good | 26.10 · good | Poor |
| Thu 04:00 | 1.76 · high | 2.75 · good | 26.10 · good | Poor |
| Thu 05:00 | 1.76 · high | 2.35 · good | 26.10 · good | Poor |
| Thu 06:00 | 1.76 · high | 2.10 · good | 26.10 · good | Poor |
| Thu 07:00 | 1.76 · high | 1.95 · good | 26.10 · good | Fair |
| Thu 08:00 | 1.76 · high | 2.30 · good | 26.10 · good | Fair |
| Thu 09:00 | 1.76 · high | 2.91 · good | 26.10 · good | Fair |
| Thu 10:00 | 1.78 · high | 2.50 · good | 26.10 · good | Fair |
| Thu 11:00 | 1.78 · high | 2.82 · good | 26.10 · good | Fair |
| Thu 12:00 | 1.78 · high | 3.55 · good | 26.10 · good | Poor |
| Thu 13:00 | 1.82 · high | 4.42 · good | 26.20 · good | Poor |
| Thu 14:00 | 1.82 · high | 3.89 · good | 26.20 · good | Poor |
| Thu 15:00 | 1.82 · high | 3.55 · good | 26.20 · good | Poor |
| Thu 16:00 | 1.82 · high | 3.15 · good | 26.20 · good | Poor |
| Thu 17:00 | 1.82 · high | 2.98 · good | 26.20 · good | Poor |
| Thu 18:00 | 1.82 · high | 2.64 · good | 26.10 · good | Poor |
| Thu 19:00 | 1.80 · high | 2.64 · good | 26.10 · good | Poor |
| Thu 20:00 | 1.80 · high | 1.97 · good | 26.10 · good | Poor |
| Thu 21:00 | 1.80 · high | 2.09 · good | 26.10 · good | Poor |
| Thu 22:00 | 1.78 · high | 1.77 · good | 26.10 · good | Poor |
| Thu 23:00 | 1.72 · high | 1.61 · good | 26.10 · good | Poor |
| Fri 00:00 | 1.72 · high | 1.78 · good | 26.10 · good | Poor |
| Fri 01:00 | 1.70 · high | 2.09 · good | 26.10 · good | Poor |
| Fri 02:00 | 1.70 · high | 2.62 · good | 26.10 · good | Poor |
| Fri 03:00 | 1.70 · high | 2.65 · good | 26.10 · good | Poor |
| Fri 04:00 | 1.70 · high | 2.48 · good | 26.10 · good | Poor |
| Fri 05:00 | 1.70 · high | 2.59 · good | 26.00 · good | Poor |
| Fri 06:00 | 1.70 · high | 2.80 · good | 26.00 · good | Poor |
| Fri 07:00 | 1.70 · high | 2.78 · good | 26.00 · good | Fair |
| Fri 08:00 | 1.70 · high | 3.03 · good | 26.00 · good | Poor |
| Fri 09:00 | 1.70 · high | 3.24 · good | 26.00 · good | Poor |
| Fri 10:00 | 1.70 · high | 3.65 · good | 26.10 · good | Poor |
| Fri 11:00 | 1.80 · high | 3.64 · good | 26.10 · good | Fair |
| Fri 12:00 | 1.80 · high | 3.98 · good | 26.10 · good | Fair |
| Fri 13:00 | 1.80 · high | 4.09 · good | 26.10 · good | Poor |
| Fri 14:00 | 1.80 · high | 4.03 · good | 26.10 · good | Poor |
| Fri 15:00 | 1.80 · high | 3.96 · good | 26.10 · good | Poor |
| Fri 16:00 | 1.78 · high | 3.64 · good | 26.10 · good | Poor |
| Fri 17:00 | 1.78 · high | 3.25 · good | 26.10 · good | Poor |
| Fri 18:00 | 1.78 · high | 2.85 · good | 26.10 · good | Poor |
| Fri 19:00 | 1.76 · high | 2.89 · good | 26.10 · good | Poor |
| Fri 20:00 | 1.76 · high | 2.80 · good | 26.10 · good | Poor |
| Fri 21:00 | 1.74 · high | 3.10 · good | 26.10 · good | Poor |
| Fri 22:00 | 1.72 · high | 2.86 · good | 26.10 · good | Poor |
| Fri 23:00 | 1.70 · high | 2.70 · good | 26.00 · good | Poor |
| Sat 00:00 | 1.74 · high | 2.51 · good | 26.00 · good | Poor |
| Sat 01:00 | 1.70 · high | 2.36 · good | 26.00 · good | Poor |
| Sat 02:00 | 1.68 · high | 2.44 · good | 26.00 · good | Poor |
| Sat 03:00 | 1.66 · high | 2.19 · good | 26.00 · good | Poor |
| Sat 04:00 | 1.64 · high | 2.11 · good | 26.00 · good | Poor |
| Sat 05:00 | 1.62 · high | 1.74 · good | 26.00 · good | Poor |
| Sat 06:00 | 1.60 · high | 1.15 · good | 26.00 · good | Poor |
| Sat 07:00 | 1.60 · high | 1.08 · good | 26.00 · good | Fair |
| Sat 08:00 | 1.58 · high | 1.55 · good | 26.00 · good | Fair |
| Sat 09:00 | 1.58 · high | 1.75 · good | 26.00 · good | Fair |
| Sat 10:00 | 1.56 · high | 2.01 · good | 26.10 · good | Fair |
| Sat 11:00 | 1.56 · high | 2.01 · good | 26.10 · good | Fair |
| Sat 12:00 | 1.56 · high | 2.43 · good | 26.10 · good | Fair |
| Sat 13:00 | 1.46 · high | 2.51 · good | 26.10 · good | Fair |
| Sat 14:00 | 1.46 · high | 2.29 · good | 26.10 · good | Poor |