Can you snorkel in Big Island today?

Conditions look marginal right now — no clearly safe snorkeling window is forecast in Big Island over the next 72 hours. Check the hourly table for the calmest period.

What is the best time of day to snorkel in Big Island?

Snorkel during daylight, ideally in the morning before the wind picks up, and around high slack tide when water is clearest and currents are weakest. SnorkelForecast scores every daylight hour in Big Island so you can pick the calmest window.

What is the best tide for snorkeling?

High slack tide — within about an hour of the high-tide peak when currents are weakest — is the safest, clearest window. Strong low tides, strong tidal flow near channels or headlands, and large tidal-range days reduce score.

Where are the best snorkeling conditions near Big Island today?

The best nearby spots right now are Kahaluu Beach Park, Kealakekua Bay, Two Step Honaunau. Check each spot page for hourly wind, wave, tide and water temperature detail.

Big Island Snorkel Report Today

USA · Updated Wed 10:05 (HST) · Source: Snapshot · Showing fallback/stale data

The skinny

Marginal Report Thu 06:25

Big Island looks marginal today. The least-bad daylight window is around Fri 13:00, but waves is limiting the forecast.

Score: 0.0/10

Best time: Fri 13:00

Main risk: Waves

Best morning signal: Thu 07:00 (Poor).

Best afternoon signal: Thu 12:00 (Poor). Peak afternoon wind is about 19.7 m/s.

Email me when it is good Compare nearby spots

Best nearby spots

Kahaluu Beach Park 4.9/10 Fair · Thu 17:00 Kealakekua Bay 4.3/10 Fair · Thu 20:00 Two Step Honaunau 4.3/10 Fair · Thu 20:00

Local beach intelligence

AreaHawaii Island

DifficultyVaries by beach

Best timeMorning

ExposureKona coast is often calmer; east side is windier

ShoreIsland hub

Sunrise

05:48

Sunset

19:05

Water

Max air

14.4°C

Sky

Clear

9% cloud

No safe window in the next 72 hours

Use the best-available section for the least-bad times.

3-day planner Best available Show data

3-day planner

Thursday

❌ poor conditions

Main blocker: Waves

Friday

❌ poor conditions

Main blocker: Waves

Best available hours

Fri 23:00 — Poor (0.00) · still limited by waves, wind
Fri 22:00 — Poor (0.00) · still limited by waves, wind
Fri 21:00 — Poor (0.00) · still limited by waves, wind

Why this verdict

Main blockers across the next 72 hours:

Waves (41 hours)
Sea temperature (41 hours)
Wind (35 hours)

Nearby snorkel spot map

Compare nearby spots by score, forecast window and exposure before choosing a beach.

Kahaluu Beach Park Fair · Thu 17:00 4.9/10 Kealakekua Bay Fair · Thu 20:00 4.3/10 Two Step Honaunau Fair · Thu 20:00 4.3/10 Anaehoomalu Bay Fair · Thu 17:00 4.1/10

Nearby alternatives in USA

Ahihi Kinau

❌ Poor

Anaehoomalu Bay

⚠️ Fair

Anini Beach

❌ Poor

Bahia Honda

✅ Good

Advanced forecast data

Viewing historical data

Sat 16:00 – Tue 16:00 (HST)

Previous day Yesterday Next day Live

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Snorkel Score (selected 24h)

No score data is available for the next 24 hours yet.

Score trend, higher is better. Excellent ≥ 0.72, good 0.55–0.72, fair 0.35–0.55.

Conditions (24h trends)

Tap a chart to load just that series.

No wave-height trend data is available for the next 24 hours yet.

No wind-speed trend data is available for the next 24 hours yet.

No tide trend data is available for the next 24 hours yet.

72-hour historical overview

No hourly data is available for this 72-hour window.

Scoring methodology (for technical users)

We score each hour from 0 to 1 using daylight and these weighted components:

Wave height (35%): best below 0.36m, then decreases as it rises.
Wind speed (25%): best below 5.4m/s, lower is better.
Sea surface temperature (15%): best within 20.6°C to 30.4°C.
Tide and currents (15%): best around slack/high-tide windows.
Daylight (10%): visibility and safety gate (outside daylight scores lower).

Detailed hourly data table

Time	Wave (m)	Wind (m/s)	Sea temp (°C)	Status
No hourly data is available for this window.