SnorkelForecast.com

Koh Tao Snorkel Report Today

Thailand · Updated Tue 11:08 (+07) · Source: Snapshot

The skinny

Go in the best window Data updated Tue 11:08 (+07)

Koh Tao has a usable snorkeling window around Tue 12:00. The main thing to watch is tide/current.

Right now (forecast)

Good · 6.3/10

Tue 11:00 (+07)

Later today

Excellent · 7.3/10

Tue 16:00 (+07)

Next three days

Excellent · 7.3/10

Tue 16:00 (+07)

Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.

Score: 7.3/10

Best time: Tue 12:00

Main risk: Tide/Current

No useful morning window is showing yet.

Best afternoon signal: Tue 16:00 (Excellent). Peak afternoon wind is about 6.6 m/s.

Email me when it is good

Sunrise

06:09

Sunset

18:16

Water

29.8°C

Max air

27.1°C

Sky

Cloudy

100% cloud

Good model window in the next 72 hours

Next good model window: Tue 12:00–16:00 (7% of the next 72h meets the model threshold)

3-day planner Best available Show data

3-day planner

Tuesday

✅ Excellent conditions

Main blocker: Tide/current

Wednesday

⚠️ Fair conditions

Main blocker: Waves

Thursday

⚠️ Fair conditions

Main blocker: Waves

Best available hours

The next good model window starts at Tue 12:00 and lasts until 16:00.

Why this verdict

Main blockers across the next 72 hours:

  • Wind (63 hours)
  • Waves (57 hours)
  • Tide/current (57 hours)

Jellyfish drift risk

Drift estimate from wind, swell, current and warm water.

Low · 34/100

Low peak drift risk around Tue 19:00.

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.

Upcoming high tides

Tue 18:00, Thu 21:00

Nearby alternatives in Thailand

Surin Islands

229 km away

⚠️ Fair

Railay

257 km away

✅ Good

Koh Phi Phi

287 km away

✅ Good

Similan Islands

290 km away

⚠️ Fair

Advanced forecast data

Viewing historical data

Mon 11:00 – Thu 11:00 (+07)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.63 around Mon 12:00; 12 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.

Conditions (24h trends)

Tap a chart to load just that series.

7/24 sampled hours stay at or below 0.36m (range 0.14m to 0.46m).

Wind is at or below 5.4m/s in 9/24 sampled hours (range 3.07 to 6.82m/s).

Tides range from 0.52m to 1.22m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
Good 🌟 Good
Good 🌟 Good
Good 🌟 Good
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Good 🌟 Good
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Fair ⚠️ Fair
Fair ⚠️ Fair
Poor ❌ Limited
Fair ⚠️ Fair
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Poor ❌ Limited
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
Fair ⚠️ Fair
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 is better in daylight, so night hours score lower.
Detailed hourly data table
Time Wave (m) Wind (m/s) Sea temp (°C) Status
Mon 11:00 0.14 · good 3.29 · good 29.40 · good Good
Mon 12:00 0.14 · good 3.07 · good 29.40 · good Good
Mon 13:00 0.14 · good 5.47 · high 29.40 · good Good
Mon 14:00 0.22 · good 6.28 · high 29.40 · good Fair
Mon 15:00 0.28 · good 6.29 · high 29.40 · good Fair
Mon 16:00 0.36 · good 6.35 · high 29.40 · good Fair
Mon 17:00 0.36 · good 5.68 · high 29.40 · good Fair
Mon 18:00 0.46 · high 6.11 · high 29.60 · good Fair
Mon 19:00 0.46 · high 4.19 · good 29.60 · good Poor
Mon 20:00 0.46 · high 4.61 · good 29.60 · good Poor
Mon 21:00 0.46 · high 5.10 · good 29.60 · good Poor
Mon 22:00 0.46 · high 5.02 · good 29.60 · good Poor
Mon 23:00 0.46 · high 5.11 · good 29.60 · good Poor
Tue 00:00 0.44 · high 5.33 · good 29.50 · good Poor
Tue 01:00 0.44 · high 6.46 · high 29.50 · good Poor
Tue 02:00 0.46 · high 6.82 · high 29.50 · good Poor
Tue 03:00 0.40 · high 5.89 · high 29.50 · good Poor
Tue 04:00 0.42 · high 5.80 · high 29.50 · good Poor
Tue 05:00 0.44 · high 4.73 · good 29.50 · good Poor
Tue 06:00 0.44 · high 6.19 · high 29.50 · good Poor
Tue 07:00 0.46 · high 5.96 · high 29.50 · good Fair
Tue 08:00 0.44 · high 5.75 · high 29.50 · good Fair
Tue 09:00 0.40 · high 5.45 · high 29.60 · good Fair
Tue 10:00 0.38 · high 5.71 · high 29.60 · good Fair
Tue 11:00 0.38 · high 6.48 · high 29.60 · good Fair
Tue 12:00 0.36 · good 4.55 · good 29.60 · good Good
Tue 13:00 0.36 · good 5.65 · high 29.60 · good Fair
Tue 14:00 0.36 · good 5.98 · high 29.60 · good Fair
Tue 15:00 0.36 · good 6.13 · high 29.60 · good Fair
Tue 16:00 0.36 · good 6.45 · high 29.60 · good Fair
Tue 17:00 0.38 · high 6.62 · high 29.60 · good Fair
Tue 18:00 0.40 · high 5.52 · high 29.60 · good Fair
Tue 19:00 0.40 · high 5.21 · good 29.60 · good Poor
Tue 20:00 0.40 · high 5.84 · high 29.60 · good Poor
Tue 21:00 0.42 · high 5.92 · high 29.60 · good Poor
Tue 22:00 0.42 · high 7.16 · high 29.60 · good Poor
Tue 23:00 0.44 · high 6.74 · high 29.50 · good Poor
Wed 00:00 0.46 · high 6.70 · high 29.50 · good Poor
Wed 01:00 0.48 · high 7.25 · high 29.50 · good Poor
Wed 02:00 0.50 · high 5.70 · high 29.50 · good Poor
Wed 03:00 0.54 · high 7.03 · high 29.50 · good Poor
Wed 04:00 0.56 · high 5.73 · high 29.50 · good Poor
Wed 05:00 0.54 · high 5.22 · good 29.50 · good Poor
Wed 06:00 0.54 · high 6.16 · high 29.50 · good Poor
Wed 07:00 0.52 · high 6.58 · high 29.50 · good Fair
Wed 08:00 0.52 · high 7.01 · high 29.50 · good Fair
Wed 09:00 0.54 · high 6.69 · high 29.50 · good Fair
Wed 10:00 0.54 · high 6.61 · high 29.50 · good Fair
Wed 11:00 0.54 · high 6.54 · high 29.50 · good Fair
Wed 12:00 0.52 · high 5.08 · good 29.60 · good Fair
Wed 13:00 0.52 · high 6.50 · high 29.60 · good Fair
Wed 14:00 0.54 · high 7.70 · high 29.60 · good Poor
Wed 15:00 0.58 · high 6.91 · high 29.60 · good Fair
Wed 16:00 0.60 · high 6.19 · high 29.60 · good Fair
Wed 17:00 0.62 · high 7.33 · high 29.50 · good Poor
Wed 18:00 0.54 · high 6.65 · high 29.60 · good Fair
Wed 19:00 0.58 · high 7.01 · high 29.60 · good Poor
Wed 20:00 0.58 · high 7.15 · high 29.60 · good Poor
Wed 21:00 0.56 · high 6.60 · high 29.50 · good Poor
Wed 22:00 0.52 · high 7.39 · high 29.50 · good Poor
Wed 23:00 0.52 · high 7.80 · high 29.50 · good Poor
Thu 00:00 0.50 · high 7.58 · high 29.50 · good Poor
Thu 01:00 0.50 · high 6.91 · high 29.50 · good Poor
Thu 02:00 0.50 · high 6.81 · high 29.50 · good Poor
Thu 03:00 0.52 · high 6.25 · high 29.50 · good Poor
Thu 04:00 0.52 · high 6.59 · high 29.40 · good Poor
Thu 05:00 0.52 · high 6.92 · high 29.40 · good Poor
Thu 06:00 0.52 · high 6.77 · high 29.40 · good Poor
Thu 07:00 0.52 · high 6.38 · high 29.40 · good Fair
Thu 08:00 0.50 · high 7.67 · high 29.40 · good Fair
Thu 09:00 0.50 · high 7.83 · high 29.40 · good Fair
Thu 10:00 0.48 · high 7.78 · high 29.50 · good Fair