Wednesday
✅ good conditions
Main blocker: Tide/current
Malaysia · Updated Tue 03:13 (+08) · Source: Snapshot
The skinny
Go in the best window Report Wed 05:23Tioman Island has a usable snorkeling window around Wed 08:00. The main thing to watch is tide/current.
Score: 7.1/10
Best time: Wed 08:00
Main risk: Tide/Current
Best morning signal: Wed 11:00 (Good).
Best afternoon signal: Wed 14:00 (Good). Peak afternoon wind is about 4.1 m/s.
Good window is available today
Next safe window: Wed 00:00–11:00 (47% of next 72h are suitable)
Wednesday
✅ good conditions
Main blocker: Tide/current
Thursday
✅ good conditions
Main blocker: Tide/current
Friday
✅ good conditions
Main blocker: Waves
Next safe window starts at Wed 00:00 until 11:00.
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 21:00
Wed 06:00, Wed 21:00, Thu 07:00, Thu 22:00
Viewing historical data
Sun 21:00 – Wed 21:00 (+08)
Best snorkel score is 0.37 around Mon 09:00; 2 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 0.8m to 0.98m).
Wind is at or below 5.4m/s in 9/24 sampled hours (range 4.01 to 6.4m/s).
Tides range from -1.03m to 1.94m; 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 |
|---|---|---|---|---|
| Sun 21:00 | 0.82 · high | 5.46 · high | 29.20 · good | poor |
| Sun 22:00 | 0.82 · high | 5.76 · high | 29.20 · good | poor |
| Sun 23:00 | 0.82 · high | 5.82 · high | 29.20 · good | poor |
| Mon 00:00 | 0.82 · high | 5.79 · high | 29.20 · good | poor |
| Mon 01:00 | 0.84 · high | 5.47 · high | 29.20 · good | fair |
| Mon 02:00 | 0.86 · high | 5.57 · high | 29.20 · good | fair |
| Mon 03:00 | 0.88 · high | 5.74 · high | 29.20 · good | poor |
| Mon 04:00 | 0.90 · high | 6.14 · high | 29.20 · good | poor |
| Mon 05:00 | 0.92 · high | 6.14 · high | 29.30 · good | poor |
| Mon 06:00 | 0.94 · high | 6.21 · high | 29.30 · good | poor |
| Mon 07:00 | 0.96 · high | 6.15 · high | 29.30 · good | poor |
| Mon 08:00 | 0.96 · high | 6.40 · high | 29.30 · good | poor |
| Mon 09:00 | 0.98 · high | 6.22 · high | 29.30 · good | poor |
| Mon 10:00 | 0.98 · high | 5.85 · high | 29.20 · good | poor |
| Mon 11:00 | 0.98 · high | 5.67 · high | 29.20 · good | poor |
| Mon 12:00 | 0.98 · high | 5.31 · good | 29.20 · good | poor |
| Mon 13:00 | 0.96 · high | 5.14 · good | 29.20 · good | poor |
| Mon 14:00 | 0.96 · high | 4.01 · good | 29.20 · good | poor |
| Mon 15:00 | 0.94 · high | 4.88 · good | 29.20 · good | poor |
| Mon 16:00 | 0.92 · high | 4.45 · good | 29.20 · good | poor |
| Mon 17:00 | 0.88 · high | 4.74 · good | 29.20 · good | poor |
| Mon 18:00 | 0.86 · high | 4.37 · good | 29.20 · good | poor |
| Mon 19:00 | 0.84 · high | 4.12 · good | 29.20 · good | poor |
| Mon 20:00 | 0.80 · high | 5.12 · good | 29.20 · good | poor |
| Mon 21:00 | 0.78 · high | 4.86 · good | 29.10 · good | poor |
| Mon 22:00 | 0.76 · high | 4.79 · good | 29.10 · good | poor |
| Mon 23:00 | 0.76 · high | 5.13 · good | 29.10 · good | poor |
| Tue 00:00 | 0.74 · high | 5.35 · good | 29.10 · good | poor |
| Tue 01:00 | 0.76 · high | 5.87 · high | 29.10 · good | fair |
| Tue 02:00 | 0.76 · high | 6.59 · high | 29.20 · good | poor |
| Tue 03:00 | 0.78 · high | 6.33 · high | 29.20 · good | poor |
| Tue 04:00 | 0.78 · high | 6.20 · high | 29.20 · good | poor |
| Tue 05:00 | 0.80 · high | 5.98 · high | 29.20 · good | poor |
| Tue 06:00 | 0.80 · high | 5.75 · high | 29.20 · good | poor |
| Tue 07:00 | 0.80 · high | 5.98 · high | 29.20 · good | poor |
| Tue 08:00 | 0.82 · high | 5.57 · high | 29.20 · good | poor |
| Tue 09:00 | 0.82 · high | 5.81 · high | 29.20 · good | poor |
| Tue 10:00 | 0.82 · high | 5.69 · high | 29.20 · good | poor |
| Tue 11:00 | 0.84 · high | 4.15 · good | 29.20 · good | poor |
| Tue 12:00 | 0.84 · high | 3.64 · good | 29.20 · good | poor |
| Tue 13:00 | 0.82 · high | 3.75 · good | 29.20 · good | poor |
| Tue 14:00 | 0.80 · high | 3.65 · good | 29.20 · good | poor |
| Tue 15:00 | 0.78 · high | 3.81 · good | 29.20 · good | poor |
| Tue 16:00 | 0.74 · high | 3.74 · good | 29.10 · good | poor |
| Tue 17:00 | 0.70 · high | 3.89 · good | 29.10 · good | poor |
| Tue 18:00 | 0.66 · high | 3.34 · good | 29.10 · good | poor |
| Tue 19:00 | 0.64 · high | 3.21 · good | 29.10 · good | poor |
| Tue 20:00 | 0.60 · high | 3.30 · good | 29.10 · good | poor |
| Tue 21:00 | 0.58 · high | 3.56 · good | 29.10 · good | poor |
| Tue 22:00 | 0.56 · high | 3.79 · good | 29.10 · good | poor |
| Tue 23:00 | 0.54 · high | 4.27 · good | 29.10 · good | poor |
| Wed 00:00 | 0.52 · high | 3.99 · good | 29.10 · good | fair |
| Wed 01:00 | 0.56 · high | 3.85 · good | 29.10 · good | fair |
| Wed 02:00 | 0.58 · high | 3.76 · good | 29.10 · good | fair |
| Wed 03:00 | 0.62 · high | 4.75 · good | 29.10 · good | fair |
| Wed 04:00 | 0.64 · high | 5.12 · good | 29.20 · good | fair |
| Wed 05:00 | 0.64 · high | 4.85 · good | 29.20 · good | fair |
| Wed 06:00 | 0.56 · high | 4.12 · good | 29.30 · good | fair |
| Wed 07:00 | 0.54 · high | 3.82 · good | 29.30 · good | fair |
| Wed 08:00 | 0.54 · high | 3.78 · good | 29.30 · good | fair |
| Wed 09:00 | 0.52 · high | 2.71 · good | 29.30 · good | fair |
| Wed 10:00 | 0.52 · high | 2.51 · good | 29.20 · good | fair |
| Wed 11:00 | 0.50 · high | 3.07 · good | 29.20 · good | fair |
| Wed 12:00 | 0.50 · high | 4.00 · good | 29.20 · good | poor |
| Wed 13:00 | 0.50 · high | 3.61 · good | 29.20 · good | poor |
| Wed 14:00 | 0.48 · high | 3.51 · good | 29.10 · good | poor |
| Wed 15:00 | 0.48 · high | 4.22 · good | 29.10 · good | poor |
| Wed 16:00 | 0.46 · high | 4.21 · good | 29.10 · good | poor |
| Wed 17:00 | 0.44 · high | 3.85 · good | 29.10 · good | poor |
| Wed 18:00 | 0.42 · high | 3.11 · good | 29.10 · good | poor |
| Wed 19:00 | 0.40 · high | 2.81 · good | 29.10 · good | poor |
| Wed 20:00 | 0.40 · high | 3.25 · good | 29.10 · good | poor |