Wednesday
✅ excellent conditions
Main blocker: Sea temperature
Malaysia · Updated Tue 04:15 (+08) · Source: Snapshot
The skinny
Go in the best window Report Tue 23:02Redang Island has a usable snorkeling window around Wed 08:00. The main thing to watch is sea temperature.
Score: 8.3/10
Best time: Wed 08:00
Main risk: Sea Temperature
No useful morning window is showing yet.
No useful afternoon window is showing yet.
Good window is available today
Next safe window: Wed 00:00–11:00 (47% of next 72h are suitable)
Wednesday
✅ excellent conditions
Main blocker: Sea temperature
Thursday
✅ excellent conditions
Main blocker: Sea temperature
Friday
✅ good conditions
Main blocker: Sea temperature
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: Tue 20:00
Tue 20:00, Wed 03:00, Thu 22:00
Viewing historical data
Tue 15:00 – Fri 15:00 (+08)
Best snorkel score is 0.59 around Wed 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.
Tap a chart to load just that series.
23/24 sampled hours stay at or below 0.36m (range 0.22m to 0.38m).
Wind is at or below 5.4m/s in 22/24 sampled hours (range 1.08 to 5.98m/s).
Tides range from -0.45m to 1.81m; 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 |
|---|---|---|---|---|
| Tue 15:00 | 0.38 · high | 4.11 · good | 31.10 · out of range | poor |
| Tue 16:00 | 0.36 · good | 3.72 · good | 31.00 · out of range | poor |
| Tue 17:00 | 0.36 · good | 5.35 · good | 31.00 · out of range | poor |
| Tue 18:00 | 0.34 · good | 5.98 · high | 31.00 · out of range | poor |
| Tue 19:00 | 0.32 · good | 5.91 · high | 30.90 · out of range | poor |
| Tue 20:00 | 0.32 · good | 5.08 · good | 30.90 · out of range | poor |
| Tue 21:00 | 0.30 · good | 3.69 · good | 30.90 · out of range | poor |
| Tue 22:00 | 0.30 · good | 2.33 · good | 30.80 · out of range | poor |
| Tue 23:00 | 0.30 · good | 2.26 · good | 30.80 · out of range | poor |
| Wed 00:00 | 0.30 · good | 3.21 · good | 30.80 · out of range | fair |
| Wed 01:00 | 0.30 · good | 3.49 · good | 30.80 · out of range | fair |
| Wed 02:00 | 0.28 · good | 3.46 · good | 30.80 · out of range | fair |
| Wed 03:00 | 0.28 · good | 2.24 · good | 30.90 · out of range | good |
| Wed 04:00 | 0.28 · good | 2.11 · good | 30.90 · out of range | good |
| Wed 05:00 | 0.26 · good | 2.47 · good | 31.00 · out of range | fair |
| Wed 06:00 | 0.26 · good | 2.27 · good | 31.00 · out of range | fair |
| Wed 07:00 | 0.28 · good | 2.30 · good | 31.50 · out of range | fair |
| Wed 08:00 | 0.26 · good | 1.08 · good | 31.50 · out of range | good |
| Wed 09:00 | 0.26 · good | 1.81 · good | 31.40 · out of range | fair |
| Wed 10:00 | 0.24 · good | 3.75 · good | 31.40 · out of range | fair |
| Wed 11:00 | 0.24 · good | 2.91 · good | 31.40 · out of range | fair |
| Wed 12:00 | 0.22 · good | 2.44 · good | 31.30 · out of range | poor |
| Wed 13:00 | 0.22 · good | 1.48 · good | 31.30 · out of range | poor |
| Wed 14:00 | 0.22 · good | 1.31 · good | 31.20 · out of range | poor |
| Wed 15:00 | 0.22 · good | 0.85 · good | 31.20 · out of range | poor |
| Wed 16:00 | 0.22 · good | 1.20 · good | 31.10 · out of range | poor |
| Wed 17:00 | 0.20 · good | 2.13 · good | 31.10 · out of range | poor |
| Wed 18:00 | 0.20 · good | 3.35 · good | 31.00 · out of range | poor |
| Wed 19:00 | 0.20 · good | 4.25 · good | 31.00 · out of range | poor |
| Wed 20:00 | 0.18 · good | 4.05 · good | 30.90 · out of range | poor |
| Wed 21:00 | 0.18 · good | 4.56 · good | 30.90 · out of range | poor |
| Wed 22:00 | 0.18 · good | 4.96 · good | 30.90 · out of range | poor |
| Wed 23:00 | 0.18 · good | 4.71 · good | 30.90 · out of range | poor |
| Thu 00:00 | 0.18 · good | 4.92 · good | 30.90 · out of range | fair |
| Thu 01:00 | 0.18 · good | 5.04 · good | 30.90 · out of range | fair |
| Thu 02:00 | 0.20 · good | 4.10 · good | 31.00 · out of range | good |
| Thu 03:00 | 0.20 · good | 3.23 · good | 31.20 · out of range | good |
| Thu 04:00 | 0.20 · good | 2.65 · good | 31.30 · out of range | good |
| Thu 05:00 | 0.20 · good | 2.17 · good | 31.40 · out of range | good |
| Thu 06:00 | 0.20 · good | 2.30 · good | 31.40 · out of range | good |
| Thu 07:00 | 0.22 · good | 2.98 · good | 31.40 · out of range | good |
| Thu 08:00 | 0.24 · good | 3.29 · good | 31.40 · out of range | good |
| Thu 09:00 | 0.26 · good | 4.72 · good | 31.30 · out of range | fair |
| Thu 10:00 | 0.28 · good | 5.79 · high | 31.30 · out of range | fair |
| Thu 11:00 | 0.28 · good | 4.15 · good | 31.20 · out of range | fair |
| Thu 12:00 | 0.30 · good | 3.18 · good | 31.20 · out of range | poor |
| Thu 13:00 | 0.28 · good | 2.37 · good | 31.10 · out of range | poor |
| Thu 14:00 | 0.28 · good | 1.99 · good | 31.10 · out of range | poor |
| Thu 15:00 | 0.26 · good | 2.45 · good | 31.10 · out of range | poor |
| Thu 16:00 | 0.26 · good | 2.31 · good | 31.00 · out of range | poor |
| Thu 17:00 | 0.26 · good | 2.55 · good | 31.00 · out of range | poor |
| Thu 18:00 | 0.26 · good | 1.76 · good | 31.00 · out of range | poor |
| Thu 19:00 | 0.26 · good | 1.44 · good | 31.00 · out of range | poor |
| Thu 20:00 | 0.24 · good | 2.14 · good | 30.90 · out of range | poor |
| Thu 21:00 | 0.24 · good | 2.11 · good | 30.90 · out of range | poor |
| Thu 22:00 | 0.24 · good | 2.76 · good | 30.90 · out of range | poor |
| Thu 23:00 | 0.22 · good | 3.03 · good | 30.90 · out of range | poor |
| Fri 00:00 | 0.22 · good | 3.11 · good | 30.90 · out of range | fair |
| Fri 01:00 | 0.22 · good | 2.60 · good | 31.00 · out of range | fair |
| Fri 02:00 | 0.20 · good | 2.17 · good | 31.00 · out of range | good |
| Fri 03:00 | 0.20 · good | 2.17 · good | 31.10 · out of range | good |
| Fri 04:00 | 0.20 · good | 1.61 · good | 31.20 · out of range | good |
| Fri 05:00 | 0.20 · good | 0.97 · good | 31.30 · out of range | good |
| Fri 06:00 | 0.20 · good | 1.48 · good | 31.30 · out of range | good |
| Fri 07:00 | 0.20 · good | 2.51 · good | 31.30 · out of range | good |
| Fri 08:00 | 0.20 · good | 3.25 · good | 31.30 · out of range | good |
| Fri 09:00 | 0.20 · good | 3.35 · good | 31.30 · out of range | fair |
| Fri 10:00 | 0.22 · good | 3.62 · good | 31.20 · out of range | fair |
| Fri 11:00 | 0.22 · good | 2.95 · good | 31.20 · out of range | good |
| Fri 12:00 | 0.24 · good | 3.75 · good | 31.20 · out of range | poor |
| Fri 13:00 | 0.24 · good | 2.31 · good | 31.10 · out of range | poor |
| Fri 14:00 | 0.24 · good | 2.77 · good | 31.10 · out of range | poor |