Can you snorkel in Koh Kradan today?

Yes. The next good snorkeling window in Koh Kradan starts Mon 00:00 and lasts until 03:00. Around 35% of the next 72 hours are suitable.

What is the best time of day to snorkel in Koh Kradan?

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 Koh Kradan 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.

Koh Kradan Snorkel Report Today

Thailand · Updated Sat 05:03 (+07) · Source: Snapshot · Showing fallback/stale data

The skinny

Go in the best window Report Sun 13:40

Koh Kradan has a usable snorkeling window around Mon 07:00. The main thing to watch is sea temperature.

Score: 6.2/10

Best time: Mon 07:00

Main risk: Sea Temperature

No useful morning window is showing yet.

Best afternoon signal: Sun 14:00 (Fair). Peak afternoon wind is about 6.3 m/s.

Email me when it is good

Sunrise

06:14

Sunset

18:44

Water

31.4°C

Max air

29.8°C

Sky

Cloudy

98% cloud

Good window is available today

Next safe window: Mon 00:00–03:00 (35% of next 72h are suitable)

3-day planner Best available Show data

3-day planner

Sunday

⚠️ fair conditions

Main blocker: Waves

Monday

✅ good conditions

Main blocker: Sea temperature

Tuesday

✅ good conditions

Main blocker: Sea temperature

Best available hours

Next safe window starts at Mon 00:00 until 03:00.

Why this verdict

Main blockers across the next 72 hours:

Sea temperature (46 hours)
Tide/current (33 hours)
Darkness (24 hours)

Jellyfish drift risk

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

Low · 34/100

Low peak drift risk around Sun 22:00.

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

Next early morning high tide: Sun 19:00

Sun 19:00, Mon 07:00

Nearby alternatives in Thailand

Koh Phi Phi

74 km away

✅ Good

Koh Lipe

87 km away

✅ Good

Railay

94 km away

✅ Good

Similan Islands

234 km away

⚠️ Fair

Advanced forecast data

Viewing live forecast

Sun 06:00 – Wed 06:00 (+07)

Previous day Yesterday

Snorkel Score (next 24h)

Best snorkel score is 0.62 around Mon 08:00; 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.

9/24 sampled hours stay at or below 0.36m (range 0.3m to 0.44m).

Wind is at or below 5.4m/s in 18/24 sampled hours (range 2.73 to 6.3m/s).

Tides range from -0.41m to 1.6m; 1 of 24 hours are in or near peak slack windows.

72-hour forecast overview

Sun 07:00 fair ⚠️ Fair

Sun 08:00 fair ⚠️ Fair

Sun 09:00 fair ⚠️ Fair

Sun 10:00 fair ⚠️ Fair

Sun 11:00 fair ⚠️ Fair

Sun 12:00 poor ❌ Limited

Sun 13:00 poor ❌ Limited

Sun 14:00 poor ❌ Limited

Sun 15:00 poor ❌ Limited

Sun 16:00 poor ❌ Limited

Sun 17:00 poor ❌ Limited

Sun 18:00 poor ❌ Limited

Sun 19:00 poor ❌ Limited

Sun 20:00 poor ❌ Limited

Sun 21:00 poor ❌ Limited

Sun 22:00 poor ❌ Limited

Sun 23:00 poor ❌ Limited

Mon 00:00 good 🌟 Good

Mon 01:00 good 🌟 Good

Mon 02:00 good 🌟 Good

Mon 03:00 good 🌟 Good

Mon 04:00 fair ⚠️ Fair

Mon 05:00 good 🌟 Good

Mon 06:00 good 🌟 Good

Mon 07:00 good 🌟 Good

Mon 08:00 good 🌟 Good

Mon 09:00 good 🌟 Good

Mon 10:00 good 🌟 Good

Mon 11:00 good 🌟 Good

Mon 12:00 poor ❌ Limited

Mon 13:00 poor ❌ Limited

Mon 14:00 poor ❌ Limited

Mon 15:00 poor ❌ Limited

Mon 16:00 poor ❌ Limited

Mon 17:00 poor ❌ Limited

Mon 18:00 poor ❌ Limited

Mon 19:00 poor ❌ Limited

Mon 20:00 poor ❌ Limited

Mon 21:00 poor ❌ Limited

Mon 22:00 poor ❌ Limited

Mon 23:00 poor ❌ Limited

Tue 00:00 good 🌟 Good

Tue 01:00 good 🌟 Good

Tue 02:00 good 🌟 Good

Tue 03:00 good 🌟 Good

Tue 04:00 good 🌟 Good

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
Sun 07:00	0.38 · high	4.84 · good	31.40 · out of range	fair
Sun 08:00	0.38 · high	5.10 · good	31.40 · out of range	fair
Sun 09:00	0.40 · high	5.52 · high	31.30 · out of range	fair
Sun 10:00	0.42 · high	5.64 · high	31.30 · out of range	fair
Sun 11:00	0.42 · high	6.30 · high	31.20 · out of range	fair
Sun 12:00	0.44 · high	6.07 · high	31.20 · out of range	poor
Sun 13:00	0.44 · high	6.16 · high	31.10 · out of range	poor
Sun 14:00	0.42 · high	5.70 · high	31.10 · out of range	poor
Sun 15:00	0.42 · high	5.16 · good	31.10 · out of range	poor
Sun 16:00	0.42 · high	5.02 · good	31.00 · out of range	poor
Sun 17:00	0.40 · high	5.05 · good	31.00 · out of range	poor
Sun 18:00	0.40 · high	4.78 · good	31.00 · out of range	poor
Sun 19:00	0.40 · high	4.35 · good	31.00 · out of range	poor
Sun 20:00	0.38 · high	3.81 · good	30.90 · out of range	poor
Sun 21:00	0.38 · high	3.97 · good	30.90 · out of range	poor
Sun 22:00	0.36 · good	3.69 · good	30.90 · out of range	poor
Sun 23:00	0.36 · good	3.52 · good	30.90 · out of range	poor
Mon 00:00	0.34 · good	3.44 · good	30.90 · out of range	good
Mon 01:00	0.34 · good	3.16 · good	31.00 · out of range	good
Mon 02:00	0.32 · good	2.73 · good	31.00 · out of range	good
Mon 03:00	0.32 · good	2.75 · good	31.10 · out of range	good
Mon 04:00	0.32 · good	3.02 · good	31.20 · out of range	fair
Mon 05:00	0.30 · good	3.13 · good	31.20 · out of range	good
Mon 06:00	0.30 · good	3.19 · good	31.30 · out of range	good
Mon 07:00	0.30 · good	3.09 · good	31.30 · out of range	good
Mon 08:00	0.30 · good	3.62 · good	31.30 · out of range	good
Mon 09:00	0.30 · good	4.00 · good	31.30 · out of range	good
Mon 10:00	0.30 · good	4.20 · good	31.20 · out of range	good
Mon 11:00	0.30 · good	4.14 · good	31.20 · out of range	good
Mon 12:00	0.30 · good	3.93 · good	31.20 · out of range	poor
Mon 13:00	0.30 · good	4.27 · good	31.20 · out of range	poor
Mon 14:00	0.32 · good	3.78 · good	31.10 · out of range	poor
Mon 15:00	0.32 · good	3.83 · good	31.10 · out of range	poor
Mon 16:00	0.32 · good	4.00 · good	31.10 · out of range	poor
Mon 17:00	0.32 · good	3.70 · good	31.00 · out of range	poor
Mon 18:00	0.32 · good	3.53 · good	31.00 · out of range	poor
Mon 19:00	0.34 · good	3.51 · good	31.00 · out of range	poor
Mon 20:00	0.34 · good	2.53 · good	31.00 · out of range	poor
Mon 21:00	0.36 · good	3.58 · good	31.00 · out of range	poor
Mon 22:00	0.36 · good	2.21 · good	31.00 · out of range	poor
Mon 23:00	0.36 · good	3.49 · good	31.00 · out of range	poor
Tue 00:00	0.36 · good	2.06 · good	31.00 · out of range	good
Tue 01:00	0.34 · good	2.56 · good	31.00 · out of range	good
Tue 02:00	0.34 · good	3.22 · good	31.10 · out of range	good
Tue 03:00	0.32 · good	3.18 · good	31.20 · out of range	good
Tue 04:00	0.32 · good	5.21 · good	31.30 · out of range	good