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 15:47

Ustica has a usable snorkeling window around Wed 16:00. The main thing to watch is tide/current.

Score: 7.4/10

Best time: Wed 16:00

Main risk: Tide/Current

No useful morning window is showing yet.

Best afternoon signal: Wed 19:00 (Good). Peak afternoon wind is about 4.4 m/s.

Sunrise

06:00

Sunset

20:27

Water

29.8°C

Max air

29.2°C

Sky

Partly cloudy

55% cloud

Good window is available today

Next safe window: Wed 14:00–18:00 (50% of next 72h are suitable)

3-day planner

Wednesday

good conditions

Main blocker: Waves

Thursday

excellent conditions

Main blocker: Tide/current

Friday

poor conditions

Main blocker: Tide/current

Best available hours

Next safe window starts at Wed 14:00 until 18:00.

Why this verdict

Main blockers across the next 72 hours:

  • Tide/current (34 hours)
  • Waves (24 hours)
  • Darkness (19 hours)

Jellyfish drift risk

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

Low · 31/100

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.

Nearby alternatives in Italy

Advanced forecast data

Viewing historical data

Fri 13:00 – Mon 13:00 (CEST)

Snorkel Score (selected 24h)

Best snorkel score is 0.41 around Sat 13:00; 4 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.

0/24 sampled hours stay at or below 0.36m (range 0.62m to 0.88m).

Wind is at or below 5.4m/s in 0/24 sampled hours (range 7.8 to 17.4m/s).

Tides range from -0.66m to -0.38m; 2 of 24 hours are in or near peak slack windows.

72-hour historical overview
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
fair ⚠️ Fair
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
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
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
poor ❌ Limited
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
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
fair ⚠️ Fair
fair ⚠️ Fair
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
Fri 13:00 0.88 · high 8.40 · high 28.30 · good poor
Fri 14:00 0.86 · high 10.20 · high 28.30 · good poor
Fri 15:00 0.82 · high 10.40 · high 28.30 · good poor
Fri 16:00 0.78 · high 9.60 · high 28.20 · good poor
Fri 17:00 0.76 · high 8.70 · high 28.20 · good poor
Fri 18:00 0.72 · high 7.80 · high 28.10 · good fair
Fri 19:00 0.72 · high 9.00 · high 28.10 · good poor
Fri 20:00 0.70 · high 13.30 · high 28.00 · good poor
Fri 21:00 0.70 · high 13.00 · high 28.00 · good poor
Fri 22:00 0.68 · high 10.90 · high 27.90 · good poor
Fri 23:00 0.68 · high 13.80 · high 27.90 · good poor
Sat 00:00 0.66 · high 11.40 · high 27.80 · good poor
Sat 01:00 0.66 · high 8.00 · high 27.80 · good poor
Sat 02:00 0.66 · high 9.20 · high 27.70 · good poor
Sat 03:00 0.66 · high 11.40 · high 27.70 · good poor
Sat 04:00 0.66 · high 11.50 · high 27.60 · good poor
Sat 05:00 0.66 · high 12.10 · high 27.60 · good poor
Sat 06:00 0.66 · high 13.80 · high 27.60 · good poor
Sat 07:00 0.66 · high 15.10 · high 27.70 · good poor
Sat 08:00 0.64 · high 15.30 · high 27.80 · good poor
Sat 09:00 0.64 · high 15.90 · high 28.00 · good poor
Sat 10:00 0.64 · high 17.40 · high 28.10 · good fair
Sat 11:00 0.62 · high 17.30 · high 28.20 · good fair
Sat 12:00 0.62 · high 16.80 · high 28.30 · good fair
Sat 13:00 0.62 · high 15.60 · high 28.30 · good fair
Sat 14:00 0.62 · high 15.40 · high 28.30 · good fair
Sat 15:00 0.62 · high 15.20 · high 28.20 · good poor
Sat 16:00 0.62 · high 15.10 · high 28.10 · good poor
Sat 17:00 0.60 · high 13.30 · high 28.10 · good poor
Sat 18:00 0.60 · high 12.60 · high 28.00 · good poor
Sat 19:00 0.60 · high 11.90 · high 28.00 · good poor
Sat 20:00 0.62 · high 10.50 · high 27.90 · good poor
Sat 21:00 0.62 · high 10.90 · high 27.80 · good poor
Sat 22:00 0.66 · high 14.00 · high 27.80 · good poor
Sat 23:00 0.68 · high 14.00 · high 27.70 · good poor
Sun 00:00 0.72 · high 14.80 · high 27.70 · good poor
Sun 01:00 0.74 · high 16.70 · high 27.60 · good poor
Sun 02:00 0.76 · high 17.00 · high 27.60 · good poor
Sun 03:00 0.78 · high 17.80 · high 27.60 · good poor
Sun 04:00 0.76 · high 17.30 · high 27.50 · good poor
Sun 05:00 0.76 · high 16.60 · high 27.50 · good poor
Sun 06:00 0.74 · high 15.00 · high 27.50 · good fair
Sun 07:00 0.70 · high 12.60 · high 27.60 · good fair
Sun 08:00 0.68 · high 10.60 · high 27.60 · good fair
Sun 09:00 0.64 · high 10.50 · high 27.70 · good fair
Sun 10:00 0.62 · high 11.30 · high 27.70 · good fair
Sun 11:00 0.60 · high 11.30 · high 27.80 · good fair
Sun 12:00 0.58 · high 11.30 · high 27.80 · good fair
Sun 13:00 0.56 · high 10.80 · high 27.80 · good fair
Sun 14:00 0.54 · high 10.50 · high 27.80 · good fair
Sun 15:00 0.52 · high 10.20 · high 27.80 · good fair
Sun 16:00 0.50 · high 10.50 · high 27.80 · good fair
Sun 17:00 0.50 · high 12.40 · high 27.80 · good fair
Sun 18:00 0.48 · high 13.40 · high 27.80 · good fair
Sun 19:00 0.46 · high 14.00 · high 27.80 · good poor
Sun 20:00 0.46 · high 15.00 · high 27.70 · good poor
Sun 21:00 0.44 · high 14.50 · high 27.70 · good poor
Sun 22:00 0.42 · high 13.00 · high 27.70 · good poor
Sun 23:00 0.42 · high 11.60 · high 27.70 · good poor
Mon 00:00 0.40 · high 11.60 · high 27.60 · good poor
Mon 01:00 0.38 · high 11.20 · high 27.60 · good poor
Mon 02:00 0.36 · good 9.20 · high 27.50 · good poor
Mon 03:00 0.34 · good 7.30 · high 27.50 · good poor
Mon 04:00 0.32 · good 4.00 · good 27.50 · good good
Mon 05:00 0.32 · good 2.70 · good 27.50 · good good
Mon 06:00 0.30 · good 5.40 · good 27.50 · good good
Mon 07:00 0.30 · good 7.80 · high 27.50 · good good
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