Can you snorkel in Piran today?

Yes. The next good snorkeling window in Piran starts Thu 04:00 and lasts until 18:00. Around 48% of the next 72 hours are suitable.

What is the best time of day to snorkel in Piran?

Snorkel during daylight, ideally in the morning before the wind picks up, and around high slack tide when water is clearest and currents are weakest. SnorkelForecast scores every daylight hour in Piran so you can pick the calmest window.

What is the best tide for snorkeling?

High slack tide — within about an hour of the high-tide peak when currents are weakest — is the safest, clearest window. Strong low tides, strong tidal flow near channels or headlands, and large tidal-range days reduce score.

Piran Snorkel Report Today

Slovenia · Updated Tue 04:16 (CEST) · Source: Snapshot · Showing fallback/stale data

The skinny

Go in the best window Report Wed 22:11

Piran has a usable snorkeling window around Thu 06:00. The main thing to watch is tide/current.

Score: 8.6/10

Best time: Thu 06:00

Main risk: Tide/Current

No useful morning window is showing yet.

No useful afternoon window is showing yet.

Email me when it is good

Sunrise

05:38

Sunset

20:45

Water

25.7°C

Max air

23.3°C

Sky

Clear

0% cloud

Good window is available today

Next safe window: Thu 04:00–18:00 (48% of next 72h are suitable)

3-day planner Best available Show data

3-day planner

Wednesday

❌ poor 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 Thu 04:00 until 18:00.

Why this verdict

Main blockers across the next 72 hours:

Tide/current (24 hours)
Darkness (16 hours)

Jellyfish drift risk

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

Low · 34/100

Low peak drift risk around Thu 18:00.

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.

Upcoming high tides

Thu 14:00

Nearby alternatives in Slovenia

No nearby alternatives available.

Advanced forecast data

Viewing historical data

Wed 20:00 – Sat 20:00 (CEST)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.48 around Thu 11:00; 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.

24/24 sampled hours stay at or below 0.36m (range 0.16m to 0.28m).

Wind is at or below 5.4m/s in 0/24 sampled hours (range 12.2 to 25.0m/s).

Tides range from -1.08m to -0.08m; 1 of 24 hours are in or near peak slack windows.

72-hour historical overview

Wed 20:00 poor ❌ Limited

Wed 21:00 poor ❌ Limited

Wed 22:00 poor ❌ Limited

Wed 23:00 poor ❌ Limited

Thu 00:00 poor ❌ Limited

Thu 01:00 poor ❌ Limited

Thu 02:00 poor ❌ Limited

Thu 03:00 poor ❌ Limited

Thu 04:00 fair ⚠️ Fair

Thu 05:00 fair ⚠️ Fair

Thu 06:00 fair ⚠️ Fair

Thu 07:00 fair ⚠️ Fair

Thu 08:00 fair ⚠️ Fair

Thu 09:00 fair ⚠️ Fair

Thu 10:00 fair ⚠️ Fair

Thu 11:00 fair ⚠️ Fair

Thu 12:00 fair ⚠️ Fair

Thu 13:00 fair ⚠️ Fair

Thu 14:00 fair ⚠️ Fair

Thu 15:00 fair ⚠️ Fair

Thu 16:00 fair ⚠️ Fair

Thu 17:00 fair ⚠️ Fair

Thu 18:00 fair ⚠️ Fair

Thu 19:00 poor ❌ Limited

Thu 20:00 poor ❌ Limited

Thu 21:00 poor ❌ Limited

Thu 22:00 poor ❌ Limited

Thu 23:00 poor ❌ Limited

Fri 00:00 poor ❌ Limited

Fri 01:00 poor ❌ Limited

Fri 02:00 poor ❌ Limited

Fri 03:00 poor ❌ Limited

Fri 04:00 good 🌟 Good

Fri 05:00 good 🌟 Good

Fri 06:00 excellent ✅ Excellent

Fri 07:00 good 🌟 Good

Fri 08:00 good 🌟 Good

Fri 09:00 good 🌟 Good

Fri 10:00 fair ⚠️ Fair

Fri 11:00 good 🌟 Good

Fri 12:00 good 🌟 Good

Fri 13:00 fair ⚠️ Fair

Fri 14:00 fair ⚠️ Fair

Fri 15:00 fair ⚠️ Fair

Fri 16:00 good 🌟 Good

Fri 17:00 good 🌟 Good

Fri 18:00 good 🌟 Good

Fri 19:00 poor ❌ Limited

Fri 20:00 poor ❌ Limited

Fri 21:00 poor ❌ Limited

Fri 22:00 poor ❌ Limited

Fri 23:00 poor ❌ Limited

Sat 00:00 poor ❌ Limited

Sat 01:00 poor ❌ Limited

Sat 02:00 poor ❌ Limited

Sat 03:00 poor ❌ Limited

Sat 04:00 good 🌟 Good

Sat 05:00 good 🌟 Good

Sat 06:00 good 🌟 Good

Sat 07:00 good 🌟 Good

Sat 08:00 good 🌟 Good

Sat 09:00 good 🌟 Good

Sat 10:00 excellent ✅ Excellent

Sat 11:00 good 🌟 Good

Sat 12:00 good 🌟 Good

Sat 13:00 good 🌟 Good

Sat 14:00 good 🌟 Good

Sat 15:00 good 🌟 Good

Sat 16:00 good 🌟 Good

Sat 17:00 fair ⚠️ Fair

Sat 18:00 good 🌟 Good

Sat 19:00 poor ❌ Limited

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
Wed 20:00	0.20 · good	17.20 · high	28.50 · good	poor
Wed 21:00	0.22 · good	16.20 · high	28.30 · good	poor
Wed 22:00	0.22 · good	22.50 · high	28.10 · good	poor
Wed 23:00	0.22 · good	22.30 · high	27.80 · good	poor
Thu 00:00	0.22 · good	21.50 · high	27.60 · good	poor
Thu 01:00	0.22 · good	20.90 · high	27.40 · good	poor
Thu 02:00	0.22 · good	25.00 · high	27.30 · good	poor
Thu 03:00	0.22 · good	21.70 · high	27.10 · good	poor
Thu 04:00	0.22 · good	17.30 · high	26.90 · good	fair
Thu 05:00	0.22 · good	15.90 · high	26.80 · good	fair
Thu 06:00	0.22 · good	14.80 · high	26.70 · good	fair
Thu 07:00	0.22 · good	17.00 · high	26.60 · good	fair
Thu 08:00	0.24 · good	19.00 · high	26.50 · good	fair
Thu 09:00	0.24 · good	18.30 · high	26.40 · good	fair
Thu 10:00	0.26 · good	14.00 · high	26.30 · good	fair
Thu 11:00	0.26 · good	13.70 · high	26.30 · good	fair
Thu 12:00	0.28 · good	13.40 · high	26.30 · good	fair
Thu 13:00	0.26 · good	12.50 · high	26.30 · good	fair
Thu 14:00	0.24 · good	13.20 · high	26.40 · good	fair
Thu 15:00	0.22 · good	13.40 · high	26.50 · good	fair
Thu 16:00	0.20 · good	14.20 · high	26.60 · good	fair
Thu 17:00	0.18 · good	12.50 · high	26.70 · good	fair
Thu 18:00	0.16 · good	12.20 · high	26.70 · good	fair
Thu 19:00	0.16 · good	12.40 · high	26.60 · good	poor
Thu 20:00	0.14 · good	11.00 · high	26.50 · good	poor
Thu 21:00	0.14 · good	9.10 · high	26.30 · good	poor
Thu 22:00	0.16 · good	8.60 · high	26.10 · good	poor
Thu 23:00	0.20 · good	8.50 · high	26.00 · good	poor
Fri 00:00	0.22 · good	8.80 · high	25.80 · good	poor
Fri 01:00	0.20 · good	7.60 · high	25.70 · good	poor
Fri 02:00	0.16 · good	6.90 · high	25.70 · good	poor
Fri 03:00	0.14 · good	6.50 · high	25.60 · good	poor
Fri 04:00	0.12 · good	6.40 · high	25.60 · good	good
Fri 05:00	0.10 · good	6.10 · high	25.60 · good	good
Fri 06:00	0.08 · good	6.90 · high	25.60 · good	excellent
Fri 07:00	0.06 · good	10.00 · high	25.70 · good	good
Fri 08:00	0.06 · good	12.20 · high	25.80 · good	good
Fri 09:00	0.04 · good	12.50 · high	25.90 · good	good
Fri 10:00	0.04 · good	11.80 · high	26.10 · good	fair
Fri 11:00	0.06 · good	15.20 · high	26.70 · good	good
Fri 12:00	0.08 · good	16.50 · high	26.80 · good	good
Fri 13:00	0.14 · good	16.90 · high	26.80 · good	fair
Fri 14:00	0.18 · good	16.40 · high	26.90 · good	fair
Fri 15:00	0.24 · good	14.00 · high	27.00 · good	fair
Fri 16:00	0.22 · good	8.00 · high	27.00 · good	good
Fri 17:00	0.22 · good	5.80 · high	27.00 · good	good
Fri 18:00	0.20 · good	5.90 · high	27.00 · good	good
Fri 19:00	0.18 · good	6.60 · high	26.90 · good	poor
Fri 20:00	0.16 · good	9.60 · high	26.80 · good	poor
Fri 21:00	0.14 · good	8.60 · high	26.70 · good	poor
Fri 22:00	0.12 · good	4.20 · good	26.60 · good	poor
Fri 23:00	0.12 · good	3.60 · good	26.40 · good	poor
Sat 00:00	0.10 · good	5.40 · good	26.30 · good	poor
Sat 01:00	0.10 · good	3.30 · good	26.20 · good	poor
Sat 02:00	0.12 · good	4.00 · good	26.00 · good	poor
Sat 03:00	0.12 · good	2.90 · good	25.90 · good	poor
Sat 04:00	0.10 · good	4.50 · good	25.80 · good	good
Sat 05:00	0.10 · good	5.50 · high	25.60 · good	good
Sat 06:00	0.08 · good	7.00 · high	25.60 · good	good
Sat 07:00	0.08 · good	6.00 · high	25.60 · good	good
Sat 08:00	0.08 · good	6.10 · high	25.60 · good	good
Sat 09:00	0.08 · good	5.60 · high	25.70 · good	good
Sat 10:00	0.08 · good	6.60 · high	25.80 · good	excellent
Sat 11:00	0.06 · good	8.20 · high	25.80 · good	good
Sat 12:00	0.06 · good	9.40 · high	25.90 · good	good
Sat 13:00	0.08 · good	14.10 · high	25.90 · good	good
Sat 14:00	0.08 · good	16.20 · high	25.90 · good	good
Sat 15:00	0.10 · good	15.10 · high	26.00 · good	good
Sat 16:00	0.14 · good	14.40 · high	26.00 · good	good
Sat 17:00	0.18 · good	11.50 · high	26.00 · good	fair
Sat 18:00	0.22 · good	7.90 · high	26.00 · good	good
Sat 19:00	0.20 · good	3.60 · good	26.00 · good	poor