Tuesday
✅ excellent conditions
Main blocker: Sea temperature
Malaysia · Updated Tue 04:15 (+08) · Source: Snapshot
The skinny
Go in the best window Report Tue 17:47Redang Island has a usable snorkeling window around Tue 18:00. The main thing to watch is sea temperature.
Score: 8.3/10
Best time: Tue 18:00
Main risk: Sea Temperature
No useful morning window is showing yet.
Best afternoon signal: Tue 19:00 (Excellent). Peak afternoon wind is about 3.2 m/s.
Good window is available today
Next safe window: Tue 10:00–11:00 (45% of next 72h are suitable)
Tuesday
✅ excellent conditions
Main blocker: Sea temperature
Wednesday
✅ excellent conditions
Main blocker: Sea temperature
Thursday
✅ excellent conditions
Main blocker: Sea temperature
Next safe window starts at Tue 10:00 until 11:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Tue 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.
Next early morning high tide: Tue 20:00
Tue 20:00, Wed 03:00, Thu 22:00
Viewing historical data
Wed 09:00 – Sat 09:00 (+08)
Best snorkel score is 0.62 around Thu 13:00; 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.
24/24 sampled hours stay at or below 0.36m (range 0.18m to 0.26m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.85 to 5.04m/s).
Tides range from -0.4m to 1.84m; 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 |
|---|---|---|---|---|
| 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 |
| Fri 15:00 | 0.24 · good | 3.86 · good | 31.10 · out of range | poor |
| Fri 16:00 | 0.24 · good | 3.31 · good | 31.10 · out of range | poor |
| Fri 17:00 | 0.22 · good | 3.19 · good | 31.00 · out of range | poor |
| Fri 18:00 | 0.22 · good | 2.06 · good | 31.00 · out of range | poor |
| Fri 19:00 | 0.22 · good | 3.07 · good | 31.00 · out of range | poor |
| Fri 20:00 | 0.20 · good | 3.12 · good | 31.00 · out of range | poor |
| Fri 21:00 | 0.20 · good | 4.01 · good | 30.90 · out of range | poor |
| Fri 22:00 | 0.20 · good | 4.02 · good | 30.90 · out of range | poor |
| Fri 23:00 | 0.18 · good | 3.66 · good | 30.90 · out of range | poor |
| Sat 00:00 | 0.18 · good | 3.76 · good | 30.90 · out of range | good |
| Sat 01:00 | 0.16 · good | 1.26 · good | 31.00 · out of range | good |
| Sat 02:00 | 0.16 · good | 1.59 · good | 31.10 · out of range | good |
| Sat 03:00 | 0.14 · good | 1.03 · good | 31.20 · out of range | good |
| Sat 04:00 | 0.14 · good | 0.67 · good | 31.40 · out of range | good |
| Sat 05:00 | 0.14 · good | 0.65 · good | 31.50 · out of range | good |
| Sat 06:00 | 0.14 · good | 2.47 · good | 31.50 · out of range | good |
| Sat 07:00 | 0.14 · good | 2.08 · good | 31.60 · out of range | excellent |
| Sat 08:00 | 0.14 · good | 2.04 · good | 31.60 · out of range | excellent |