Ustica Snorkel Report Today

Italy · Updated Tue 04:14 (CEST) · Source: Snapshot · Showing fallback/stale data

The skinny

Go in the best window Report Wed 10:55

Ustica has a usable snorkeling window around Wed 11:00. The main thing to watch is tide/current.

Score: 7.2/10

Best time: Wed 11:00

Main risk: Tide/Current

Best morning signal: Wed 11:00 (Good).

Best afternoon signal: Wed 19:00 (Good). Peak afternoon wind is about 4.7 m/s.

Sunrise

06:00

Sunset

20:27

Water

29.6°C

Max air

29.8°C

Sky

Partly cloudy

51% cloud

Good window is available today

Next safe window: Wed 09:00–18:00 (56% of next 72h are suitable)

3-day planner

Wednesday

good conditions

Main blocker: Tide/current

Thursday

excellent conditions

Main blocker: Tide/current

Friday

poor conditions

Main blocker: Tide/current

Best available hours

Next safe window starts at Wed 09:00 until 18:00.

Why this verdict

Main blockers across the next 72 hours:

  • Tide/current (39 hours)
  • Waves (24 hours)
  • Darkness (19 hours)

Jellyfish drift risk

Drift estimate from wind, swell, current and warm water.

Low · 34/100

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.

Nearby alternatives in Italy

Advanced forecast data

Viewing historical data

Mon 08:00 – Thu 08:00 (CEST)

Snorkel Score (selected 24h)

Best snorkel score is 0.71 around Mon 13:00; 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.

Conditions (24h trends)

Tap a chart to load just that series.

6/24 sampled hours stay at or below 0.36m (range 0.3m to 0.64m).

Wind is at or below 5.4m/s in 22/24 sampled hours (range 2.47 to 12.1m/s).

Tides range from -0.6m to -0.37m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
fair ⚠️ Fair
fair ⚠️ Fair
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
fair ⚠️ Fair
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
good 🌟 Good
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
excellent ✅ Excellent
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
excellent ✅ Excellent
good 🌟 Good
good 🌟 Good
good 🌟 Good
Scoring methodology (for technical users)

We score each hour from 0 to 1 using daylight and these weighted components:

  • Wave height (35%): best below 0.36m, then decreases as it rises.
  • Wind speed (25%): best below 5.4m/s, lower is better.
  • Sea surface temperature (15%): best within 20.6°C to 30.4°C.
  • Tide and currents (15%): best around slack/high-tide windows.
  • Daylight (10%): visibility and safety gate (outside daylight scores lower).
Detailed hourly data table
Time Wave (m) Wind (m/s) Sea temp (°C) Status
Mon 08:00 0.30 · good 10.10 · high 27.70 · good fair
Mon 09:00 0.30 · good 12.10 · high 27.80 · good fair
Mon 10:00 0.36 · good 3.40 · good 27.80 · good good
Mon 11:00 0.36 · good 3.51 · good 27.80 · good good
Mon 12:00 0.36 · good 3.93 · good 27.90 · good good
Mon 13:00 0.36 · good 4.20 · good 27.90 · good good
Mon 14:00 0.38 · high 4.08 · good 27.90 · good good
Mon 15:00 0.38 · high 3.85 · good 27.90 · good good
Mon 16:00 0.38 · high 3.67 · good 27.90 · good good
Mon 17:00 0.38 · high 3.30 · good 27.90 · good good
Mon 18:00 0.38 · high 2.94 · good 27.90 · good good
Mon 19:00 0.38 · high 2.64 · good 27.90 · good poor
Mon 20:00 0.40 · high 2.47 · good 27.80 · good poor
Mon 21:00 0.40 · high 2.62 · good 27.80 · good poor
Mon 22:00 0.40 · high 2.77 · good 27.70 · good poor
Mon 23:00 0.42 · high 3.00 · good 27.70 · good poor
Tue 00:00 0.42 · high 2.78 · good 27.70 · good poor
Tue 01:00 0.46 · high 2.62 · good 27.60 · good poor
Tue 02:00 0.48 · high 3.62 · good 27.60 · good poor
Tue 03:00 0.52 · high 4.85 · good 27.50 · good poor
Tue 04:00 0.56 · high 5.03 · good 27.50 · good fair
Tue 05:00 0.60 · high 5.14 · good 27.50 · good fair
Tue 06:00 0.64 · high 5.17 · good 27.50 · good fair
Tue 07:00 0.64 · high 5.07 · good 27.50 · good fair
Tue 08:00 0.66 · high 4.51 · good 27.60 · good fair
Tue 09:00 0.66 · high 4.03 · good 27.70 · good fair
Tue 10:00 0.66 · high 4.18 · good 27.80 · good fair
Tue 11:00 0.66 · high 4.44 · good 27.90 · good fair
Tue 12:00 0.66 · high 4.67 · good 28.00 · good fair
Tue 13:00 0.64 · high 4.80 · good 28.00 · good fair
Tue 14:00 0.64 · high 4.91 · good 28.00 · good fair
Tue 15:00 0.62 · high 4.84 · good 28.00 · good fair
Tue 16:00 0.60 · high 4.77 · good 28.00 · good fair
Tue 17:00 0.58 · high 4.57 · good 28.00 · good fair
Tue 18:00 0.56 · high 4.18 · good 28.00 · good fair
Tue 19:00 0.54 · high 3.69 · good 27.90 · good poor
Tue 20:00 0.50 · high 3.14 · good 27.90 · good poor
Tue 21:00 0.48 · high 2.72 · good 27.90 · good poor
Tue 22:00 0.46 · high 2.41 · good 27.80 · good poor
Tue 23:00 0.42 · high 3.00 · good 27.80 · good poor
Wed 00:00 0.40 · high 3.40 · good 27.70 · good poor
Wed 01:00 0.38 · high 3.80 · good 27.70 · good poor
Wed 02:00 0.38 · high 4.03 · good 27.60 · good poor
Wed 03:00 0.36 · good 4.00 · good 27.60 · good poor
Wed 04:00 0.34 · good 4.03 · good 27.60 · good good
Wed 05:00 0.34 · good 3.91 · good 27.60 · good good
Wed 06:00 0.32 · good 3.57 · good 27.60 · good good
Wed 07:00 0.32 · good 3.35 · good 27.70 · good good
Wed 08:00 0.30 · good 3.00 · good 27.90 · good good
Wed 09:00 0.30 · good 2.92 · good 28.00 · good good
Wed 10:00 0.28 · good 3.01 · good 28.20 · good good
Wed 11:00 0.26 · good 3.21 · good 28.40 · good good
Wed 12:00 0.24 · good 3.52 · good 28.50 · good good
Wed 13:00 0.22 · good 3.61 · good 28.60 · good good
Wed 14:00 0.22 · good 3.58 · good 28.60 · good excellent
Wed 15:00 0.20 · good 3.36 · good 28.70 · good excellent
Wed 16:00 0.20 · good 3.16 · good 28.70 · good excellent
Wed 17:00 0.18 · good 3.10 · good 28.70 · good excellent
Wed 18:00 0.18 · good 2.60 · good 28.70 · good excellent
Wed 19:00 0.18 · good 2.30 · good 28.60 · good poor
Wed 20:00 0.16 · good 2.25 · good 28.50 · good poor
Wed 21:00 0.16 · good 2.42 · good 28.40 · good poor
Wed 22:00 0.16 · good 2.33 · good 28.20 · good poor
Wed 23:00 0.18 · good 2.39 · good 28.10 · good poor
Thu 00:00 0.18 · good 2.37 · good 28.00 · good poor
Thu 01:00 0.18 · good 2.14 · good 27.90 · good poor
Thu 02:00 0.20 · good 2.13 · good 27.90 · good poor
Thu 03:00 0.20 · good 2.05 · good 27.80 · good poor
Thu 04:00 0.22 · good 2.19 · good 27.80 · good excellent
Thu 05:00 0.22 · good 2.19 · good 27.70 · good good
Thu 06:00 0.24 · good 2.19 · good 27.80 · good good
Thu 07:00 0.26 · good 2.08 · good 27.90 · good good