USA · Updated Sat 22:22 (HST) · Source: Snapshot
The skinny
Poor Data updated Sat 22:22 (HST)Oahu has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Sat 22:00 (HST)
No fresh data for this period.
Fair · 4.5/10
Mon 12:00 (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 Oahu snorkeling guide for coast, access and best-month guidance. Also: Maui vs Big Island, Maui vs Oahu
Saturday, September 26, 2026 · HST · Data updated Sat 22:22
Compare the coasts by forecast period. These are model estimates, not beach observations. Open each beach report and check official advisories before leaving.
Hanauma Bay has the best forecast in Southeast Oahu tomorrow morning.
Forecast for the hour starting Sat 22:00: 3.2 m waves and 11.8 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 1.7 m waves and 1.0 m/s wind.
Lanikai Beach has the best forecast in Windward Oahu tomorrow morning.
Forecast for the hour starting Sat 22:00: 3.7 m waves and 11.8 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 1.8 m waves and 1.0 m/s wind.
Electric Beach has the best forecast in Leeward Oahu tomorrow morning.
Forecast for the hour starting Sat 22:00: 2.8 m waves and 10.1 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 2.0 m waves and 2.4 m/s wind.
Sharks Cove has the best forecast in North Shore Oahu tomorrow morning.
Forecast for the hour starting Sat 22:00: 3.6 m waves and 10.2 m/s wind.
No fresh data for this period.
Its best forecast hour is Tue 07:00, with 1.9 m waves and 2.6 m/s wind.
No beach in this Oahu report reaches our good model threshold tomorrow morning. Check the hourly beach forecasts and official alerts before entering the water.
Electric Beach · 3.9/10
Its best forecast hour is Tue 07:00, with 2.0 m waves and 2.4 m/s wind.
A camera shows one stretch of coast. Check its time stamp and the official alerts too.
Oahu sea temperature · Compare Hawaii islands · Read the Oahu snorkeling guide
The score uses the hourly wave, wind, water temperature, tide and current forecast. A beach can differ from the wider forecast grid. Check beach signs, lifeguards and official alerts before you enter.
AreaOahu
DifficultyVaries by beach
Best timeMorning
ExposureSouth, west, east and north shores vary by season
ShoreIsland hub
No good model window in the next 72 hours
Use the best-available section for the least-bad times.
Saturday
❌ Poor conditions
Main blocker: Waves
Sunday
❌ Poor conditions
Main blocker: Waves
Monday
⚠️ 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: Sun 04:00
Sun 04:00, Sun 15:00, Mon 04:00, Mon 16:00, Tue 05:00, Tue 16:00
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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 22:00 – Sun 22:00 (HST)
Best snorkel score is 0.41 around Fri 08:00; 7 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 1.18m to 1.38m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 2.26 to 5.27m/s).
Tides range from 0.34m to 0.72m; 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 |
|---|---|---|---|---|
| Thu 22:00 | 1.24 · high | 3.58 · good | 28.30 · good | Poor |
| Thu 23:00 | 1.24 · high | 3.61 · good | 28.20 · good | Poor |
| Fri 00:00 | 1.22 · high | 3.47 · good | 28.20 · good | Poor |
| Fri 01:00 | 1.24 · high | 3.71 · good | 28.20 · good | Poor |
| Fri 02:00 | 1.24 · high | 3.36 · good | 28.10 · good | Poor |
| Fri 03:00 | 1.24 · high | 3.43 · good | 28.10 · good | Poor |
| Fri 04:00 | 1.22 · high | 2.94 · good | 28.10 · good | Poor |
| Fri 05:00 | 1.20 · high | 2.95 · good | 28.00 · good | Poor |
| Fri 06:00 | 1.20 · high | 2.66 · good | 28.00 · good | Poor |
| Fri 07:00 | 1.18 · high | 2.78 · good | 28.00 · good | Fair |
| Fri 08:00 | 1.18 · high | 3.23 · good | 28.00 · good | Fair |
| Fri 09:00 | 1.20 · high | 3.86 · good | 28.00 · good | Fair |
| Fri 10:00 | 1.24 · high | 4.29 · good | 28.10 · good | Fair |
| Fri 11:00 | 1.26 · high | 4.96 · good | 28.10 · good | Fair |
| Fri 12:00 | 1.28 · high | 4.63 · good | 28.20 · good | Fair |
| Fri 13:00 | 1.28 · high | 4.45 · good | 28.30 · good | Fair |
| Fri 14:00 | 1.30 · high | 5.27 · good | 28.30 · good | Poor |
| Fri 15:00 | 1.32 · high | 5.09 · good | 28.30 · good | Poor |
| Fri 16:00 | 1.36 · high | 4.75 · good | 28.40 · good | Poor |
| Fri 17:00 | 1.38 · high | 4.53 · good | 28.40 · good | Poor |
| Fri 18:00 | 1.38 · high | 3.58 · good | 28.40 · good | Poor |
| Fri 19:00 | 1.38 · high | 3.59 · good | 28.30 · good | Poor |
| Fri 20:00 | 1.38 · high | 2.53 · good | 28.30 · good | Poor |
| Fri 21:00 | 1.38 · high | 2.26 · good | 28.30 · good | Poor |
| Fri 22:00 | 1.36 · high | 2.68 · good | 28.30 · good | Poor |
| Fri 23:00 | 1.36 · high | 2.90 · good | 28.20 · good | Poor |
| Sat 00:00 | 1.36 · high | 2.84 · good | 28.20 · good | Poor |
| Sat 01:00 | 1.38 · high | 2.80 · good | 28.20 · good | Poor |
| Sat 02:00 | 1.40 · high | 3.03 · good | 28.20 · good | Poor |
| Sat 03:00 | 1.40 · high | 3.55 · good | 28.10 · good | Poor |
| Sat 04:00 | 1.42 · high | 3.64 · good | 28.10 · good | Poor |
| Sat 05:00 | 1.42 · high | 3.43 · good | 28.00 · good | Poor |
| Sat 06:00 | 1.44 · high | 3.43 · good | 28.00 · good | Poor |
| Sat 07:00 | 1.44 · high | 3.54 · good | 28.00 · good | Fair |
| Sat 08:00 | 1.46 · high | 3.85 · good | 28.00 · good | Fair |
| Sat 09:00 | 1.46 · high | 5.19 · good | 28.00 · good | Fair |
| Sat 10:00 | 1.48 · high | 5.62 · high | 28.10 · good | Fair |
| Sat 11:00 | 1.52 · high | 5.28 · good | 28.10 · good | Fair |
| Sat 12:00 | 1.52 · high | 4.97 · good | 28.20 · good | Fair |
| Sat 13:00 | 1.54 · high | 5.22 · good | 28.20 · good | Fair |
| Sat 14:00 | 1.54 · high | 4.82 · good | 28.30 · good | Poor |
| Sat 15:00 | 1.52 · high | 4.84 · good | 28.30 · good | Poor |
| Sat 16:00 | 1.48 · high | 4.63 · good | 28.30 · good | Poor |
| Sat 17:00 | 1.46 · high | 4.54 · good | 28.30 · good | Poor |
| Sat 18:00 | 1.46 · high | 3.62 · good | 28.30 · good | Poor |
| Sat 19:00 | 1.46 · high | 2.95 · good | 28.20 · good | Poor |
| Sat 20:00 | 1.46 · high | 3.57 · good | 28.20 · good | Poor |
| Sat 21:00 | 1.46 · high | 3.62 · good | 28.20 · good | Poor |
| Sat 22:00 | 1.46 · high | 3.87 · good | 28.20 · good | Poor |
| Sat 23:00 | 1.46 · high | 3.89 · good | 28.10 · good | Poor |
| Sun 00:00 | 1.44 · high | 3.71 · good | 28.10 · good | Poor |
| Sun 01:00 | 1.46 · high | 2.97 · good | 28.10 · good | Poor |
| Sun 02:00 | 1.46 · high | 2.86 · good | 28.00 · good | Poor |
| Sun 03:00 | 1.46 · high | 2.87 · good | 28.00 · good | Poor |
| Sun 04:00 | 1.44 · high | 2.94 · good | 28.00 · good | Poor |
| Sun 05:00 | 1.46 · high | 3.11 · good | 27.90 · good | Poor |
| Sun 06:00 | 1.46 · high | 3.41 · good | 27.90 · good | Poor |
| Sun 07:00 | 1.44 · high | 3.59 · good | 27.90 · good | Fair |
| Sun 08:00 | 1.44 · high | 4.76 · good | 27.90 · good | Fair |
| Sun 09:00 | 1.44 · high | 5.43 · high | 27.90 · good | Fair |
| Sun 10:00 | 1.44 · high | 5.15 · good | 28.00 · good | Fair |
| Sun 11:00 | 1.44 · high | 5.27 · good | 28.00 · good | Fair |
| Sun 12:00 | 1.44 · high | 5.25 · good | 28.10 · good | Fair |
| Sun 13:00 | 1.44 · high | 5.40 · good | 28.10 · good | Fair |
| Sun 14:00 | 1.44 · high | 5.17 · good | 28.20 · good | Poor |
| Sun 15:00 | 1.44 · high | 5.19 · good | 28.20 · good | Poor |
| Sun 16:00 | 1.44 · high | 5.25 · good | 28.20 · good | Poor |
| Sun 17:00 | 1.44 · high | 4.74 · good | 28.20 · good | Poor |
| Sun 18:00 | 1.44 · high | 3.84 · good | 28.20 · good | Poor |
| Sun 19:00 | 1.44 · high | 2.88 · good | 28.20 · good | Poor |
| Sun 20:00 | 1.44 · high | 3.31 · good | 28.20 · good | Poor |
| Sun 21:00 | 1.44 · high | 3.37 · good | 28.20 · good | Poor |
