Thursday
✅ excellent conditions
Main blocker: Sea temperature
Malaysia · Updated Tue 04:15 (+08) · Source: Snapshot · Showing fallback/stale data
The skinny
Go in the best window Report Thu 03:33Redang Island has a usable snorkeling window around Thu 08:00. The main thing to watch is sea temperature.
Score: 8.0/10
Best time: Thu 08:00
Main risk: Sea Temperature
Best morning signal: Thu 10:00 (Excellent).
Best afternoon signal: Thu 12:00 (Excellent). Peak afternoon wind is about 3.2 m/s.
Good window is available today
Next safe window: Thu 00:00–11:00 (50% of next 72h are suitable)
Thursday
✅ excellent conditions
Main blocker: Sea temperature
Friday
✅ good conditions
Main blocker: Sea temperature
Next safe window starts at Thu 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: Thu 22:00
Thu 22:00
Viewing historical data
Mon 19:00 – Thu 19:00 (+08)
Best snorkel score is 0.43 around Tue 16:00; 1 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.
21/24 sampled hours stay at or below 0.36m (range 0.22m to 0.38m).
Wind is at or below 5.4m/s in 6/24 sampled hours (range 3.1 to 15.9m/s).
Tides range from -0.31m to 1.5m; 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 |
|---|---|---|---|---|
| Mon 19:00 | 0.22 · good | 4.80 · good | 31.00 · out of range | poor |
| Mon 20:00 | 0.22 · good | 3.10 · good | 30.90 · out of range | poor |
| Mon 21:00 | 0.22 · good | 7.40 · high | 30.90 · out of range | poor |
| Mon 22:00 | 0.22 · good | 4.40 · good | 30.90 · out of range | poor |
| Mon 23:00 | 0.24 · good | 13.60 · high | 30.90 · out of range | poor |
| Tue 00:00 | 0.24 · good | 6.20 · high | 30.90 · out of range | poor |
| Tue 01:00 | 0.24 · good | 13.40 · high | 31.00 · out of range | poor |
| Tue 02:00 | 0.26 · good | 10.30 · high | 31.00 · out of range | poor |
| Tue 03:00 | 0.26 · good | 15.10 · high | 31.10 · out of range | poor |
| Tue 04:00 | 0.28 · good | 12.50 · high | 31.20 · out of range | poor |
| Tue 05:00 | 0.32 · good | 10.10 · high | 31.20 · out of range | poor |
| Tue 06:00 | 0.34 · good | 8.70 · high | 31.30 · out of range | poor |
| Tue 07:00 | 0.36 · good | 5.20 · good | 31.30 · out of range | poor |
| Tue 08:00 | 0.36 · good | 3.70 · good | 31.30 · out of range | fair |
| Tue 09:00 | 0.38 · high | 4.90 · good | 31.30 · out of range | poor |
| Tue 10:00 | 0.38 · high | 8.50 · high | 31.30 · out of range | poor |
| Tue 11:00 | 0.38 · high | 15.90 · high | 31.30 · out of range | poor |
| Tue 12:00 | 0.32 · good | 11.50 · high | 31.40 · out of range | poor |
| Tue 13:00 | 0.32 · good | 8.50 · high | 31.30 · out of range | poor |
| Tue 14:00 | 0.32 · good | 10.20 · high | 31.30 · out of range | poor |
| Tue 15:00 | 0.32 · good | 11.00 · high | 31.30 · out of range | poor |
| Tue 16:00 | 0.32 · good | 12.70 · high | 31.20 · out of range | poor |
| Tue 17:00 | 0.30 · good | 13.00 · high | 31.20 · out of range | poor |
| Tue 18:00 | 0.30 · good | 10.60 · high | 31.10 · out of range | poor |
| Tue 19:00 | 0.30 · good | 7.60 · high | 31.10 · out of range | poor |
| Tue 20:00 | 0.28 · good | 9.60 · high | 31.00 · out of range | poor |
| Tue 21:00 | 0.28 · good | 10.00 · high | 31.00 · out of range | poor |
| Tue 22:00 | 0.28 · good | 6.50 · high | 31.00 · out of range | poor |
| Tue 23:00 | 0.28 · good | 6.80 · high | 30.90 · out of range | poor |
| Wed 00:00 | 0.28 · good | 4.20 · good | 31.00 · out of range | good |
| Wed 01:00 | 0.28 · good | 6.50 · high | 31.10 · out of range | fair |
| Wed 02:00 | 0.28 · good | 6.60 · high | 31.20 · out of range | fair |
| Wed 03:00 | 0.28 · good | 6.10 · high | 31.30 · out of range | fair |
| Wed 04:00 | 0.28 · good | 9.00 · high | 31.50 · out of range | fair |
| Wed 05:00 | 0.30 · good | 8.70 · high | 31.60 · out of range | fair |
| Wed 06:00 | 0.30 · good | 9.70 · high | 31.70 · out of range | fair |
| Wed 07:00 | 0.30 · good | 12.10 · high | 31.80 · out of range | poor |
| Wed 08:00 | 0.28 · good | 9.00 · high | 31.80 · out of range | fair |
| Wed 09:00 | 0.28 · good | 9.30 · high | 31.80 · out of range | fair |
| Wed 10:00 | 0.28 · good | 1.30 · good | 31.80 · out of range | good |
| Wed 11:00 | 0.26 · good | 7.20 · high | 31.80 · out of range | fair |
| Wed 12:00 | 0.26 · good | 7.40 · high | 31.70 · out of range | poor |
| Wed 13:00 | 0.26 · good | 7.10 · high | 31.70 · out of range | poor |
| Wed 14:00 | 0.28 · good | 7.00 · high | 31.60 · out of range | poor |
| Wed 15:00 | 0.28 · good | 5.40 · good | 31.50 · out of range | poor |
| Wed 16:00 | 0.28 · good | 6.60 · high | 31.40 · out of range | poor |
| Wed 17:00 | 0.28 · good | 7.20 · high | 31.30 · out of range | poor |
| Wed 18:00 | 0.28 · good | 10.50 · high | 31.20 · out of range | poor |
| Wed 19:00 | 0.28 · good | 11.90 · high | 31.20 · out of range | poor |
| Wed 20:00 | 0.26 · good | 15.30 · high | 31.10 · out of range | poor |
| Wed 21:00 | 0.26 · good | 13.90 · high | 31.10 · out of range | poor |
| Wed 22:00 | 0.26 · good | 9.20 · high | 31.10 · out of range | poor |
| Wed 23:00 | 0.24 · good | 8.00 · high | 31.10 · out of range | poor |
| Thu 00:00 | 0.24 · good | 10.70 · high | 31.10 · out of range | fair |
| Thu 01:00 | 0.24 · good | 9.60 · high | 31.20 · out of range | fair |
| Thu 02:00 | 0.24 · good | 8.60 · high | 31.30 · out of range | fair |
| Thu 03:00 | 0.24 · good | 7.40 · high | 31.40 · out of range | fair |
| Thu 04:00 | 0.24 · good | 8.10 · high | 31.50 · out of range | fair |
| Thu 05:00 | 0.26 · good | 5.60 · high | 31.70 · out of range | fair |
| Thu 06:00 | 0.26 · good | 4.30 · good | 31.70 · out of range | fair |
| Thu 07:00 | 0.26 · good | 7.80 · high | 31.80 · out of range | fair |
| Thu 08:00 | 0.26 · good | 6.00 · high | 31.80 · out of range | fair |
| Thu 09:00 | 0.26 · good | 3.60 · good | 31.80 · out of range | fair |
| Thu 10:00 | 0.26 · good | 5.00 · good | 31.70 · out of range | fair |
| Thu 11:00 | 0.26 · good | 6.90 · high | 31.70 · out of range | fair |
| Thu 12:00 | 0.26 · good | 7.20 · high | 31.70 · out of range | poor |
| Thu 13:00 | 0.26 · good | 1.90 · good | 31.60 · out of range | poor |
| Thu 14:00 | 0.26 · good | 7.00 · high | 31.60 · out of range | poor |
| Thu 15:00 | 0.26 · good | 5.50 · high | 31.50 · out of range | poor |
| Thu 16:00 | 0.26 · good | 8.20 · high | 31.40 · out of range | poor |
| Thu 17:00 | 0.26 · good | 9.00 · high | 31.30 · out of range | poor |
| Thu 18:00 | 0.26 · good | 9.60 · high | 31.30 · out of range | poor |