Thursday
✅ excellent conditions
Main blocker: Tide/current
Italy · Updated Tue 04:14 (CEST) · Source: Snapshot · Showing fallback/stale data
The skinny
Go in the best window Report Thu 00:41Ustica has a usable snorkeling window around Thu 07:00. The main thing to watch is tide/current.
Score: 7.5/10
Best time: Thu 07:00
Main risk: Tide/Current
Best morning signal: Thu 10:00 (Excellent).
Best afternoon signal: Thu 20:00 (Excellent). Peak afternoon wind is about 2.4 m/s.
Good window is available today
Next safe window: Thu 05:00–18:00 (48% of next 72h are suitable)
Thursday
✅ excellent conditions
Main blocker: Tide/current
Friday
❌ poor conditions
Main blocker: Tide/current
Next safe window starts at Thu 05:00 until 18:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Thu 06:00.
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
Fri 22:00 – Mon 22:00 (CEST)
Best snorkel score is 0.62 around Sat 20:00; 14 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 0.02m to 0.04m).
Wind is at or below 5.4m/s in 14/24 sampled hours (range 2.5 to 11.1m/s).
Tides range from -0.65m to -0.39m; 0 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 |
|---|---|---|---|---|
| Fri 22:00 | 0.04 · good | 5.80 · high | 27.80 · good | poor |
| Fri 23:00 | 0.04 · good | 5.20 · good | 27.70 · good | poor |
| Sat 00:00 | 0.04 · good | 3.20 · good | 27.60 · good | poor |
| Sat 01:00 | 0.04 · good | 2.50 · good | 27.50 · good | poor |
| Sat 02:00 | 0.02 · good | 3.70 · good | 27.40 · good | poor |
| Sat 03:00 | 0.02 · good | 5.20 · good | 27.40 · good | poor |
| Sat 04:00 | 0.02 · good | 5.20 · good | 27.40 · good | fair |
| Sat 05:00 | 0.02 · good | 5.20 · good | 27.30 · good | fair |
| Sat 06:00 | 0.02 · good | 4.90 · good | 27.40 · good | fair |
| Sat 07:00 | 0.02 · good | 4.60 · good | 27.50 · good | fair |
| Sat 08:00 | 0.02 · good | 4.90 · good | 27.60 · good | fair |
| Sat 09:00 | 0.02 · good | 5.40 · good | 27.80 · good | fair |
| Sat 10:00 | 0.02 · good | 5.40 · good | 28.00 · good | fair |
| Sat 11:00 | 0.02 · good | 6.00 · high | 28.10 · good | fair |
| Sat 12:00 | 0.02 · good | 7.40 · high | 28.20 · good | poor |
| Sat 13:00 | 0.04 · good | 10.70 · high | 28.70 · good | fair |
| Sat 14:00 | 0.04 · good | 11.10 · high | 28.80 · good | fair |
| Sat 15:00 | 0.04 · good | 10.50 · high | 28.80 · good | fair |
| Sat 16:00 | 0.04 · good | 9.30 · high | 28.80 · good | fair |
| Sat 17:00 | 0.04 · good | 8.50 · high | 28.80 · good | fair |
| Sat 18:00 | 0.04 · good | 7.40 · high | 28.70 · good | good |
| Sat 19:00 | 0.04 · good | 6.10 · high | 28.70 · good | poor |
| Sat 20:00 | 0.04 · good | 5.40 · good | 28.60 · good | poor |
| Sat 21:00 | 0.04 · good | 5.20 · good | 28.50 · good | poor |
| Sat 22:00 | 0.04 · good | 5.30 · good | 28.40 · good | poor |
| Sat 23:00 | 0.04 · good | 6.40 · high | 28.30 · good | poor |
| Sun 00:00 | 0.04 · good | 6.60 · high | 28.20 · good | poor |
| Sun 01:00 | 0.04 · good | 6.70 · high | 28.20 · good | poor |
| Sun 02:00 | 0.04 · good | 5.60 · high | 28.10 · good | poor |
| Sun 03:00 | 0.04 · good | 4.70 · good | 28.00 · good | poor |
| Sun 04:00 | 0.04 · good | 4.50 · good | 28.00 · good | good |
| Sun 05:00 | 0.06 · good | 4.10 · good | 27.90 · good | excellent |
| Sun 06:00 | 0.06 · good | 2.60 · good | 28.00 · good | excellent |
| Sun 07:00 | 0.06 · good | 3.10 · good | 28.10 · good | excellent |
| Sun 08:00 | 0.06 · good | 4.20 · good | 28.30 · good | good |
| Sun 09:00 | 0.06 · good | 5.40 · good | 28.50 · good | good |
| Sun 10:00 | 0.06 · good | 7.60 · high | 28.70 · good | fair |
| Sun 11:00 | 0.08 · good | 9.40 · high | 28.90 · good | fair |
| Sun 12:00 | 0.08 · good | 11.50 · high | 29.00 · good | fair |
| Sun 13:00 | 0.08 · good | 12.20 · high | 29.10 · good | fair |
| Sun 14:00 | 0.10 · good | 11.90 · high | 29.10 · good | fair |
| Sun 15:00 | 0.10 · good | 11.50 · high | 29.10 · good | fair |
| Sun 16:00 | 0.10 · good | 12.80 · high | 29.10 · good | fair |
| Sun 17:00 | 0.12 · good | 9.40 · high | 29.00 · good | good |
| Sun 18:00 | 0.12 · good | 7.30 · high | 29.00 · good | good |
| Sun 19:00 | 0.14 · good | 5.70 · high | 28.90 · good | poor |
| Sun 20:00 | 0.16 · good | 4.20 · good | 28.80 · good | poor |
| Sun 21:00 | 0.18 · good | 3.30 · good | 28.80 · good | poor |
| Sun 22:00 | 0.20 · good | 4.50 · good | 28.70 · good | poor |
| Sun 23:00 | 0.20 · good | 3.60 · good | 28.60 · good | poor |
| Mon 00:00 | 0.22 · good | 3.80 · good | 28.50 · good | poor |
| Mon 01:00 | 0.22 · good | 5.70 · high | 28.50 · good | poor |
| Mon 02:00 | 0.22 · good | 7.70 · high | 28.40 · good | poor |
| Mon 03:00 | 0.22 · good | 9.30 · high | 28.30 · good | poor |
| Mon 04:00 | 0.22 · good | 10.90 · high | 28.20 · good | fair |
| Mon 05:00 | 0.22 · good | 10.60 · high | 28.20 · good | fair |
| Mon 06:00 | 0.22 · good | 8.20 · high | 28.20 · good | fair |
| Mon 07:00 | 0.22 · good | 6.00 · high | 28.30 · good | fair |
| Mon 08:00 | 0.22 · good | 5.60 · high | 28.50 · good | fair |
| Mon 09:00 | 0.22 · good | 7.00 · high | 28.60 · good | fair |
| Mon 10:00 | 0.22 · good | 9.80 · high | 28.80 · good | poor |
| Mon 11:00 | 0.22 · good | 11.90 · high | 29.00 · good | poor |
| Mon 12:00 | 0.22 · good | 13.20 · high | 29.10 · good | poor |
| Mon 13:00 | 0.24 · good | 12.60 · high | 29.10 · good | poor |
| Mon 14:00 | 0.24 · good | 12.80 · high | 29.20 · good | poor |
| Mon 15:00 | 0.26 · good | 13.70 · high | 29.20 · good | poor |
| Mon 16:00 | 0.26 · good | 13.70 · high | 29.20 · good | poor |
| Mon 17:00 | 0.26 · good | 11.20 · high | 29.20 · good | poor |
| Mon 18:00 | 0.26 · good | 8.70 · high | 29.10 · good | fair |
| Mon 19:00 | 0.26 · good | 5.80 · high | 29.10 · good | poor |
| Mon 20:00 | 0.26 · good | 5.10 · good | 29.00 · good | poor |
| Mon 21:00 | 0.26 · good | 4.40 · good | 28.90 · good | poor |