Sunday
❌ poor conditions
Main blocker: Waves
Vietnam · Updated Sat 05:03 (+07) · Source: Snapshot · Showing fallback/stale data
The skinny
Go in the best window Report Sun 21:44Nha Trang has a usable snorkeling window around Mon 07:00. The main thing to watch is waves.
Score: 7.8/10
Best time: Mon 07:00
Main risk: Waves
No useful morning window is showing yet.
No useful afternoon window is showing yet.
Good window is available today
Next safe window: Mon 00:00–11:00 (45% of next 72h are suitable)
Sunday
❌ poor conditions
Main blocker: Waves
Monday
✅ excellent conditions
Main blocker: Waves
Tuesday
✅ excellent conditions
Main blocker: Waves
Next safe window starts at Mon 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: Sun 20:00
Sun 20:00, Mon 06:00, Mon 20:00
Viewing historical data
Thu 14:00 – Sun 14:00 (+07)
Best snorkel score is 0.68 around Fri 09:00; 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.
6/24 sampled hours stay at or below 0.36m (range 0.34m to 0.52m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.43 to 4.84m/s).
Tides range from -0.19m to 1.37m; 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 |
|---|---|---|---|---|
| Thu 14:00 | 0.46 · high | 0.85 · good | 27.60 · good | poor |
| Thu 15:00 | 0.46 · high | 0.96 · good | 27.50 · good | poor |
| Thu 16:00 | 0.44 · high | 0.56 · good | 27.40 · good | poor |
| Thu 17:00 | 0.44 · high | 1.13 · good | 27.30 · good | poor |
| Thu 18:00 | 0.42 · high | 1.72 · good | 27.20 · good | poor |
| Thu 19:00 | 0.42 · high | 1.54 · good | 27.10 · good | poor |
| Thu 20:00 | 0.42 · high | 1.56 · good | 27.00 · good | poor |
| Thu 21:00 | 0.42 · high | 1.35 · good | 26.90 · good | poor |
| Thu 22:00 | 0.40 · high | 1.45 · good | 26.90 · good | poor |
| Thu 23:00 | 0.40 · high | 1.50 · good | 26.80 · good | poor |
| Fri 00:00 | 0.38 · high | 1.10 · good | 26.80 · good | good |
| Fri 01:00 | 0.36 · good | 0.43 · good | 26.90 · good | good |
| Fri 02:00 | 0.36 · good | 1.03 · good | 27.00 · good | good |
| Fri 03:00 | 0.34 · good | 1.93 · good | 27.20 · good | good |
| Fri 04:00 | 0.34 · good | 2.85 · good | 27.30 · good | good |
| Fri 05:00 | 0.36 · good | 3.53 · good | 27.40 · good | good |
| Fri 06:00 | 0.36 · good | 4.20 · good | 27.50 · good | good |
| Fri 07:00 | 0.40 · high | 4.84 · good | 27.50 · good | fair |
| Fri 08:00 | 0.42 · high | 4.30 · good | 27.50 · good | fair |
| Fri 09:00 | 0.46 · high | 3.68 · good | 27.50 · good | good |
| Fri 10:00 | 0.48 · high | 3.11 · good | 27.40 · good | good |
| Fri 11:00 | 0.50 · high | 2.45 · good | 27.40 · good | fair |
| Fri 12:00 | 0.52 · high | 1.27 · good | 27.30 · good | poor |
| Fri 13:00 | 0.50 · high | 0.81 · good | 27.30 · good | poor |
| Fri 14:00 | 0.50 · high | 0.74 · good | 27.20 · good | poor |
| Fri 15:00 | 0.48 · high | 0.15 · good | 27.10 · good | poor |
| Fri 16:00 | 0.46 · high | 0.91 · good | 27.10 · good | poor |
| Fri 17:00 | 0.44 · high | 1.00 · good | 27.00 · good | poor |
| Fri 18:00 | 0.42 · high | 1.38 · good | 26.90 · good | poor |
| Fri 19:00 | 0.40 · high | 1.18 · good | 26.90 · good | poor |
| Fri 20:00 | 0.40 · high | 1.29 · good | 26.80 · good | poor |
| Fri 21:00 | 0.38 · high | 1.36 · good | 26.70 · good | poor |
| Fri 22:00 | 0.38 · high | 1.43 · good | 26.60 · good | poor |
| Fri 23:00 | 0.36 · good | 1.49 · good | 26.60 · good | poor |
| Sat 00:00 | 0.36 · good | 0.81 · good | 26.60 · good | excellent |
| Sat 01:00 | 0.36 · good | 0.64 · good | 26.70 · good | good |
| Sat 02:00 | 0.34 · good | 0.75 · good | 26.80 · good | good |
| Sat 03:00 | 0.34 · good | 2.39 · good | 27.00 · good | good |
| Sat 04:00 | 0.36 · good | 3.69 · good | 27.10 · good | good |
| Sat 05:00 | 0.40 · high | 4.09 · good | 27.30 · good | good |
| Sat 06:00 | 0.44 · high | 3.19 · good | 27.70 · good | good |
| Sat 07:00 | 0.48 · high | 1.72 · good | 27.80 · good | good |
| Sat 08:00 | 0.54 · high | 1.25 · good | 27.80 · good | good |
| Sat 09:00 | 0.58 · high | 0.49 · good | 27.70 · good | good |
| Sat 10:00 | 0.60 · high | 2.12 · good | 27.70 · good | fair |
| Sat 11:00 | 0.60 · high | 3.11 · good | 27.70 · good | fair |
| Sat 12:00 | 0.62 · high | 2.76 · good | 27.60 · good | poor |
| Sat 13:00 | 0.56 · high | 1.38 · good | 27.60 · good | poor |
| Sat 14:00 | 0.52 · high | 1.84 · good | 27.50 · good | poor |
| Sat 15:00 | 0.46 · high | 1.27 · good | 27.50 · good | poor |
| Sat 16:00 | 0.44 · high | 1.20 · good | 27.40 · good | poor |
| Sat 17:00 | 0.44 · high | 1.12 · good | 27.40 · good | poor |
| Sat 18:00 | 0.42 · high | 1.52 · good | 27.30 · good | poor |
| Sat 19:00 | 0.42 · high | 1.61 · good | 27.30 · good | poor |
| Sat 20:00 | 0.40 · high | 1.65 · good | 27.20 · good | poor |
| Sat 21:00 | 0.40 · high | 1.53 · good | 27.10 · good | poor |
| Sat 22:00 | 0.38 · high | 1.68 · good | 27.10 · good | poor |
| Sat 23:00 | 0.38 · high | 1.83 · good | 27.10 · good | poor |
| Sun 00:00 | 0.36 · good | 1.83 · good | 27.10 · good | good |
| Sun 01:00 | 0.36 · good | 1.37 · good | 27.10 · good | good |
| Sun 02:00 | 0.36 · good | 0.60 · good | 27.20 · good | good |
| Sun 03:00 | 0.36 · good | 1.10 · good | 27.40 · good | good |
| Sun 04:00 | 0.40 · high | 3.31 · good | 27.50 · good | good |
| Sun 05:00 | 0.42 · high | 4.96 · good | 27.60 · good | good |
| Sun 06:00 | 0.46 · high | 4.61 · good | 27.70 · good | good |
| Sun 07:00 | 0.48 · high | 4.54 · good | 27.70 · good | good |
| Sun 08:00 | 0.52 · high | 2.21 · good | 27.70 · good | good |
| Sun 09:00 | 0.54 · high | 1.69 · good | 27.70 · good | good |
| Sun 10:00 | 0.54 · high | 2.30 · good | 27.70 · good | good |
| Sun 11:00 | 0.52 · high | 1.92 · good | 27.70 · good | good |
| Sun 12:00 | 0.52 · high | 1.81 · good | 27.70 · good | poor |
| Sun 13:00 | 0.50 · high | 1.25 · good | 27.60 · good | poor |