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
Thu 14:00 – Sun 14:00 (HST)
Best snorkel score is 0.4 around Fri 12:00; 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 2.64m to 2.92m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 2.2 to 5.17m/s).
Tides range from 0.31m to 0.84m; 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 |
|---|---|---|---|---|
| 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 |
| Fri 14:00 | 2.62 · high | 4.20 · good | 26.00 · good | Poor |
| Fri 15:00 | 2.58 · high | 4.30 · good | 26.00 · good | Poor |
| Fri 16:00 | 2.56 · high | 4.05 · good | 26.00 · good | Poor |
| Fri 17:00 | 2.52 · high | 3.99 · good | 26.00 · good | Poor |
| Fri 18:00 | 2.52 · high | 3.94 · good | 26.00 · good | Poor |
| Fri 19:00 | 2.50 · high | 4.99 · good | 26.00 · good | Poor |
| Fri 20:00 | 2.50 · high | 4.32 · good | 26.00 · good | Poor |
| Fri 21:00 | 2.50 · high | 3.96 · good | 26.00 · good | Poor |
| Fri 22:00 | 2.52 · high | 3.76 · good | 26.00 · good | Poor |
| Fri 23:00 | 2.52 · high | 3.73 · good | 26.00 · good | Poor |
| Sat 00:00 | 2.54 · high | 3.89 · good | 26.00 · good | Poor |
| Sat 01:00 | 2.60 · high | 4.09 · good | 25.90 · good | Poor |
| Sat 02:00 | 2.58 · high | 4.03 · good | 25.90 · good | Poor |
| Sat 03:00 | 2.58 · high | 3.87 · good | 25.90 · good | Poor |
| Sat 04:00 | 2.58 · high | 4.02 · good | 25.90 · good | Poor |
| Sat 05:00 | 2.58 · high | 4.24 · good | 25.90 · good | Poor |
| Sat 06:00 | 2.58 · high | 4.26 · good | 25.90 · good | Poor |
| Sat 07:00 | 2.58 · high | 3.98 · good | 25.90 · good | Fair |
| Sat 08:00 | 2.58 · high | 4.11 · good | 25.90 · good | Fair |
| Sat 09:00 | 2.60 · high | 4.51 · good | 25.90 · good | Poor |
| Sat 10:00 | 2.64 · high | 5.00 · good | 25.90 · good | Poor |
| Sat 11:00 | 2.66 · high | 3.92 · good | 25.90 · good | Poor |
| Sat 12:00 | 2.68 · high | 4.61 · good | 25.90 · good | Poor |
| Sat 13:00 | 2.68 · high | 5.10 · good | 25.90 · good | Fair |
| Sat 14:00 | 2.70 · high | 4.88 · good | 25.90 · good | Poor |
| Sat 15:00 | 2.72 · high | 4.39 · good | 25.90 · good | Poor |
| Sat 16:00 | 2.74 · high | 4.16 · good | 25.90 · good | Poor |
| Sat 17:00 | 2.76 · high | 3.69 · good | 25.90 · good | Poor |
| Sat 18:00 | 2.78 · high | 2.88 · good | 25.90 · good | Poor |
| Sat 19:00 | 2.82 · high | 2.78 · good | 25.90 · good | Poor |
| Sat 20:00 | 2.84 · high | 3.26 · good | 25.90 · good | Poor |
| Sat 21:00 | 2.84 · high | 2.75 · good | 25.90 · good | Poor |
| Sat 22:00 | 2.86 · high | 2.40 · good | 25.80 · good | Poor |
| Sat 23:00 | 2.66 · high | 3.26 · good | 25.90 · good | Poor |
| Sun 00:00 | 2.66 · high | 3.44 · good | 25.90 · good | Poor |
| Sun 01:00 | 2.66 · high | 3.62 · good | 25.80 · good | Poor |
| Sun 02:00 | 2.66 · high | 3.67 · good | 25.80 · good | Poor |
| Sun 03:00 | 2.66 · high | 3.54 · good | 25.80 · good | Poor |
| Sun 04:00 | 2.66 · high | 3.37 · good | 25.80 · good | Poor |
| Sun 05:00 | 2.66 · high | 3.69 · good | 25.80 · good | Poor |
| Sun 06:00 | 2.64 · high | 4.21 · good | 25.80 · good | Poor |
| Sun 07:00 | 2.64 · high | 4.31 · good | 25.80 · good | Fair |
| Sun 08:00 | 2.62 · high | 4.51 · good | 25.80 · good | Fair |
| Sun 09:00 | 2.62 · high | 4.74 · good | 25.80 · good | Fair |
| Sun 10:00 | 2.62 · high | 4.58 · good | 25.80 · good | Fair |
| Sun 11:00 | 2.62 · high | 5.46 · high | 25.80 · good | Fair |
| Sun 12:00 | 2.64 · high | 5.53 · high | 25.80 · good | Poor |
| Sun 13:00 | 2.60 · high | 5.08 · good | 25.80 · good | Fair |