Wednesday
✅ good conditions
Main blocker: Tide/current
Italy · Updated Tue 04:14 (CEST) · Source: Snapshot
The skinny
Go in the best window Report Tue 23:15Ustica has a usable snorkeling window around Wed 06:00. The main thing to watch is tide/current.
Score: 6.8/10
Best time: Wed 06:00
Main risk: Tide/Current
No useful morning window is showing yet.
No useful afternoon window is showing yet.
Good window is available today
Next safe window: Wed 04:00–18:00 (54% of next 72h are suitable)
Wednesday
✅ good conditions
Main blocker: Tide/current
Thursday
✅ excellent conditions
Main blocker: Tide/current
Friday
❌ poor conditions
Main blocker: Tide/current
Next safe window starts at Wed 04:00 until 18:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Wed 02:00.
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.
Viewing historical data
Sun 21:00 – Wed 21:00 (CEST)
Best snorkel score is 0.73 around Mon 12:00; 15 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 0.24m to 0.34m).
Wind is at or below 5.4m/s in 24/24 sampled hours (range 0.81 to 3.48m/s).
Tides range from -0.66m to -0.29m; 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 | 0.34 · good | 2.96 · good | 28.60 · good | poor |
| Sun 22:00 | 0.32 · good | 3.09 · good | 28.60 · good | poor |
| Sun 23:00 | 0.32 · good | 3.48 · good | 28.50 · good | poor |
| Mon 00:00 | 0.30 · good | 3.19 · good | 28.40 · good | poor |
| Mon 01:00 | 0.30 · good | 1.91 · good | 28.40 · good | poor |
| Mon 02:00 | 0.28 · good | 2.33 · good | 28.30 · good | poor |
| Mon 03:00 | 0.28 · good | 3.36 · good | 28.20 · good | poor |
| Mon 04:00 | 0.28 · good | 2.13 · good | 28.20 · good | good |
| Mon 05:00 | 0.26 · good | 1.86 · good | 28.10 · good | good |
| Mon 06:00 | 0.26 · good | 1.84 · good | 28.20 · good | good |
| Mon 07:00 | 0.26 · good | 1.48 · good | 28.30 · good | good |
| Mon 08:00 | 0.26 · good | 1.82 · good | 28.40 · good | good |
| Mon 09:00 | 0.26 · good | 2.04 · good | 28.60 · good | good |
| Mon 10:00 | 0.26 · good | 2.24 · good | 28.80 · good | excellent |
| Mon 11:00 | 0.28 · good | 2.42 · good | 29.00 · good | good |
| Mon 12:00 | 0.28 · good | 2.47 · good | 29.10 · good | good |
| Mon 13:00 | 0.28 · good | 2.67 · good | 29.20 · good | good |
| Mon 14:00 | 0.26 · good | 2.97 · good | 29.20 · good | good |
| Mon 15:00 | 0.26 · good | 3.11 · good | 29.10 · good | good |
| Mon 16:00 | 0.26 · good | 2.78 · good | 29.10 · good | good |
| Mon 17:00 | 0.26 · good | 1.98 · good | 29.00 · good | good |
| Mon 18:00 | 0.26 · good | 1.64 · good | 29.00 · good | excellent |
| Mon 19:00 | 0.24 · good | 1.08 · good | 28.90 · good | poor |
| Mon 20:00 | 0.24 · good | 0.81 · good | 28.80 · good | poor |
| Mon 21:00 | 0.22 · good | 0.71 · good | 28.80 · good | poor |
| Mon 22:00 | 0.20 · good | 1.20 · good | 28.70 · good | poor |
| Mon 23:00 | 0.20 · good | 1.56 · good | 28.60 · good | poor |
| Tue 00:00 | 0.18 · good | 1.77 · good | 28.50 · good | poor |
| Tue 01:00 | 0.16 · good | 1.80 · good | 28.50 · good | poor |
| Tue 02:00 | 0.16 · good | 1.94 · good | 28.40 · good | poor |
| Tue 03:00 | 0.14 · good | 2.14 · good | 28.30 · good | poor |
| Tue 04:00 | 0.14 · good | 2.05 · good | 28.30 · good | excellent |
| Tue 05:00 | 0.14 · good | 1.70 · good | 28.30 · good | excellent |
| Tue 06:00 | 0.14 · good | 1.51 · good | 28.30 · good | excellent |
| Tue 07:00 | 0.14 · good | 2.11 · good | 28.40 · good | excellent |
| Tue 08:00 | 0.14 · good | 3.42 · good | 28.60 · good | excellent |
| Tue 09:00 | 0.14 · good | 3.71 · good | 28.80 · good | excellent |
| Tue 10:00 | 0.14 · good | 3.31 · good | 29.00 · good | excellent |
| Tue 11:00 | 0.12 · good | 3.20 · good | 29.20 · good | excellent |
| Tue 12:00 | 0.12 · good | 2.83 · good | 29.30 · good | excellent |
| Tue 13:00 | 0.12 · good | 1.84 · good | 29.40 · good | excellent |
| Tue 14:00 | 0.12 · good | 0.76 · good | 29.50 · good | excellent |
| Tue 15:00 | 0.12 · good | 0.58 · good | 29.50 · good | excellent |
| Tue 16:00 | 0.12 · good | 0.45 · good | 29.50 · good | excellent |
| Tue 17:00 | 0.10 · good | 2.42 · good | 29.50 · good | excellent |
| Tue 18:00 | 0.10 · good | 3.44 · good | 29.50 · good | excellent |
| Tue 19:00 | 0.10 · good | 4.19 · good | 29.40 · good | poor |
| Tue 20:00 | 0.10 · good | 3.67 · good | 29.20 · good | poor |
| Tue 21:00 | 0.10 · good | 4.03 · good | 29.00 · good | poor |
| Tue 22:00 | 0.12 · good | 2.92 · good | 28.80 · good | poor |
| Tue 23:00 | 0.14 · good | 1.94 · good | 28.60 · good | poor |
| Wed 00:00 | 0.16 · good | 2.10 · good | 28.50 · good | poor |
| Wed 01:00 | 0.14 · good | 3.42 · good | 28.50 · good | poor |
| Wed 02:00 | 0.14 · good | 2.24 · good | 28.40 · good | poor |
| Wed 03:00 | 0.12 · good | 0.32 · good | 28.40 · good | poor |
| Wed 04:00 | 0.12 · good | 2.45 · good | 28.40 · good | excellent |
| Wed 05:00 | 0.14 · good | 3.36 · good | 28.40 · good | good |
| Wed 06:00 | 0.14 · good | 4.03 · good | 28.40 · good | good |
| Wed 07:00 | 0.42 · high | 0.98 · good | 28.30 · good | good |
| Wed 08:00 | 0.46 · high | 0.73 · good | 28.50 · good | good |
| Wed 09:00 | 0.48 · high | 1.36 · good | 28.60 · good | good |
| Wed 10:00 | 0.46 · high | 2.30 · good | 28.80 · good | good |
| Wed 11:00 | 0.44 · high | 3.30 · good | 29.00 · good | good |
| Wed 12:00 | 0.42 · high | 3.00 · good | 29.10 · good | good |
| Wed 13:00 | 0.40 · high | 2.45 · good | 29.20 · good | good |
| Wed 14:00 | 0.38 · high | 1.92 · good | 29.30 · good | good |
| Wed 15:00 | 0.36 · good | 1.40 · good | 29.40 · good | good |
| Wed 16:00 | 0.34 · good | 1.12 · good | 29.40 · good | good |
| Wed 17:00 | 0.34 · good | 0.30 · good | 29.40 · good | good |
| Wed 18:00 | 0.32 · good | 0.20 · good | 29.40 · good | excellent |
| Wed 19:00 | 0.32 · good | 0.54 · good | 29.40 · good | poor |
| Wed 20:00 | 0.30 · good | 0.28 · good | 29.20 · good | poor |