Can you snorkel in Santorini today?

Conditions look marginal right now — no clearly safe snorkeling window is forecast in Santorini over the next 72 hours. Check the hourly table for the calmest period.

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

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 Santorini 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.

Santorini Snorkel Report Today

Greece · Updated Wed 06:20 (EEST) · Source: Snapshot · Showing fallback/stale data

The skinny

Marginal Report Fri 06:52

Santorini looks marginal today. The least-bad daylight window is around Sat 07:00, but waves is limiting the forecast.

Score: 4.6/10

Best time: Sat 07:00

Main risk: Waves

Best morning signal: Fri 07:00 (Fair).

Best afternoon signal: Fri 20:00 (Fair). Peak afternoon wind is about 8.6 m/s.

Email me when it is good

Sunrise

06:13

Sunset

20:35

Water

24.3°C

Max air

30.6°C

Sky

Clear

0% cloud

No safe window in the next 72 hours

Use the best-available section for the least-bad times.

3-day planner Best available Show data

3-day planner

Friday

⚠️ fair conditions

Main blocker: Waves

Saturday

⚠️ fair conditions

Main blocker: Waves

Best available hours

Sat 04:00 — Fair (0.49) · still limited by waves, tide/current
Sat 05:00 — Fair (0.48) · still limited by waves, tide/current
Fri 04:00 — Fair (0.46) · still limited by waves, wind

Why this verdict

Main blockers across the next 72 hours:

Waves (26 hours)
Tide/current (21 hours)
Wind (16 hours)

Jellyfish drift risk

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

Low · 31/100

Low peak drift risk around Fri 08:00.

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 Greece

Naxos

80 km away

⚠️ Fair

Paros

82 km away

⚠️ Fair

Milos

101 km away

⚠️ Fair

Crete

141 km away

✅ Good

Advanced forecast data

Viewing historical data

Fri 03:00 – Mon 03:00 (EEST)

Previous day Yesterday Next day Live

Snorkel Score (selected 24h)

Best snorkel score is 0.71 around Fri 10:00; 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.

Conditions (24h trends)

Tap a chart to load just that series.

6/24 sampled hours stay at or below 0.36m (range 0.36m to 0.42m).

Wind is at or below 5.4m/s in 24/24 sampled hours (range 1.17 to 3.86m/s).

Tides range from -0.48m to -0.39m; 0 of 24 hours are in or near peak slack windows.

72-hour historical overview

Fri 03:00 poor ❌ Limited

Fri 04:00 good 🌟 Good

Fri 05:00 good 🌟 Good

Fri 06:00 good 🌟 Good

Fri 07:00 good 🌟 Good

Fri 08:00 good 🌟 Good

Fri 09:00 good 🌟 Good

Fri 10:00 good 🌟 Good

Fri 11:00 good 🌟 Good

Fri 12:00 good 🌟 Good

Fri 13:00 good 🌟 Good

Fri 14:00 good 🌟 Good

Fri 15:00 good 🌟 Good

Fri 16:00 good 🌟 Good

Fri 17:00 good 🌟 Good

Fri 18:00 poor ❌ Limited

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 excellent ✅ Excellent

Sat 05:00 excellent ✅ Excellent

Sat 06:00 good 🌟 Good

Sat 07:00 good 🌟 Good

Sat 08:00 good 🌟 Good

Sat 09:00 good 🌟 Good

Sat 10:00 good 🌟 Good

Sat 11:00 good 🌟 Good

Sat 12:00 fair ⚠️ Fair

Sat 13:00 fair ⚠️ Fair

Sat 14:00 fair ⚠️ Fair

Sat 15:00 fair ⚠️ Fair

Sat 16:00 fair ⚠️ Fair

Sat 17:00 good 🌟 Good

Sat 18:00 poor ❌ Limited

Sat 19:00 poor ❌ Limited

Sat 20:00 poor ❌ Limited

Sat 21:00 poor ❌ Limited

Sat 22:00 poor ❌ Limited

Sat 23:00 poor ❌ Limited

Sun 00:00 poor ❌ Limited

Sun 01:00 poor ❌ Limited

Sun 02:00 poor ❌ Limited

Sun 03:00 poor ❌ Limited

Sun 04:00 good 🌟 Good

Sun 05:00 good 🌟 Good

Sun 06:00 good 🌟 Good

Sun 07:00 fair ⚠️ Fair

Sun 08:00 fair ⚠️ Fair

Sun 09:00 fair ⚠️ Fair

Sun 10:00 fair ⚠️ Fair

Sun 11:00 fair ⚠️ Fair

Sun 12:00 fair ⚠️ Fair

Sun 13:00 fair ⚠️ Fair

Sun 14:00 fair ⚠️ Fair

Sun 15:00 fair ⚠️ Fair

Sun 16:00 fair ⚠️ Fair

Sun 17:00 fair ⚠️ Fair

Sun 18:00 poor ❌ Limited

Sun 19:00 poor ❌ Limited

Sun 20:00 poor ❌ Limited

Sun 21:00 poor ❌ Limited

Sun 22:00 poor ❌ Limited

Sun 23:00 poor ❌ Limited

Mon 00:00 poor ❌ Limited

Mon 01:00 poor ❌ Limited

Mon 02:00 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
Fri 03:00	0.38 · high	1.39 · good	24.50 · good	poor
Fri 04:00	0.38 · high	1.36 · good	24.40 · good	good
Fri 05:00	0.38 · high	1.61 · good	24.40 · good	good
Fri 06:00	0.38 · high	1.84 · good	24.40 · good	good
Fri 07:00	0.38 · high	2.19 · good	24.50 · good	good
Fri 08:00	0.40 · high	3.00 · good	24.60 · good	good
Fri 09:00	0.40 · high	3.62 · good	24.70 · good	good
Fri 10:00	0.40 · high	3.86 · good	24.80 · good	good
Fri 11:00	0.42 · high	3.38 · good	25.00 · good	good
Fri 12:00	0.42 · high	3.18 · good	25.00 · good	good
Fri 13:00	0.42 · high	3.01 · good	25.10 · good	good
Fri 14:00	0.40 · high	2.62 · good	25.10 · good	good
Fri 15:00	0.40 · high	2.35 · good	25.10 · good	good
Fri 16:00	0.40 · high	1.84 · good	25.00 · good	good
Fri 17:00	0.38 · high	1.46 · good	25.00 · good	good
Fri 18:00	0.38 · high	1.17 · good	25.00 · good	poor
Fri 19:00	0.38 · high	1.30 · good	24.90 · good	poor
Fri 20:00	0.36 · good	1.35 · good	24.90 · good	poor
Fri 21:00	0.36 · good	1.58 · good	24.80 · good	poor
Fri 22:00	0.36 · good	1.80 · good	24.70 · good	poor
Fri 23:00	0.36 · good	2.01 · good	24.70 · good	poor
Sat 00:00	0.36 · good	2.06 · good	24.60 · good	poor
Sat 01:00	0.36 · good	2.15 · good	24.60 · good	poor
Sat 02:00	0.38 · high	2.19 · good	24.50 · good	poor
Sat 03:00	0.38 · high	1.79 · good	24.50 · good	poor
Sat 04:00	0.38 · high	1.51 · good	24.50 · good	excellent
Sat 05:00	0.40 · high	1.43 · good	24.50 · good	excellent
Sat 06:00	0.40 · high	1.94 · good	24.50 · good	good
Sat 07:00	0.40 · high	3.20 · good	24.50 · good	good
Sat 08:00	0.40 · high	4.00 · good	24.60 · good	good
Sat 09:00	0.40 · high	4.31 · good	24.60 · good	good
Sat 10:00	0.42 · high	4.57 · good	24.70 · good	good
Sat 11:00	0.42 · high	4.83 · good	24.80 · good	good
Sat 12:00	0.44 · high	5.37 · good	24.80 · good	fair
Sat 13:00	0.46 · high	5.50 · high	24.80 · good	fair
Sat 14:00	0.46 · high	5.50 · high	24.80 · good	fair
Sat 15:00	0.48 · high	5.19 · good	24.80 · good	fair
Sat 16:00	0.50 · high	4.53 · good	24.80 · good	fair
Sat 17:00	0.50 · high	3.11 · good	24.80 · good	good
Sat 18:00	0.52 · high	2.56 · good	24.70 · good	poor
Sat 19:00	0.54 · high	2.34 · good	24.70 · good	poor
Sat 20:00	0.56 · high	2.51 · good	24.60 · good	poor
Sat 21:00	0.58 · high	2.97 · good	24.60 · good	poor
Sat 22:00	0.60 · high	3.26 · good	24.60 · good	poor
Sat 23:00	0.64 · high	3.55 · good	24.50 · good	poor
Sun 00:00	0.66 · high	3.82 · good	24.50 · good	poor
Sun 01:00	0.66 · high	3.54 · good	24.40 · good	poor
Sun 02:00	0.66 · high	3.54 · good	24.40 · good	poor
Sun 03:00	0.66 · high	3.33 · good	24.40 · good	poor
Sun 04:00	0.66 · high	3.39 · good	24.30 · good	good
Sun 05:00	0.66 · high	3.39 · good	24.30 · good	good
Sun 06:00	0.66 · high	3.61 · good	24.30 · good	good
Sun 07:00	0.70 · high	4.39 · good	24.30 · good	fair
Sun 08:00	0.56 · high	6.51 · high	24.70 · good	fair
Sun 09:00	0.58 · high	6.98 · high	24.80 · good	fair
Sun 10:00	0.60 · high	7.50 · high	24.90 · good	fair
Sun 11:00	0.64 · high	7.70 · high	24.90 · good	fair
Sun 12:00	0.66 · high	7.49 · high	24.90 · good	fair
Sun 13:00	0.66 · high	7.41 · high	24.90 · good	fair
Sun 14:00	0.68 · high	7.26 · high	24.90 · good	fair
Sun 15:00	0.68 · high	6.98 · high	24.90 · good	fair
Sun 16:00	0.68 · high	6.26 · high	24.90 · good	fair
Sun 17:00	0.68 · high	4.72 · good	24.80 · good	fair
Sun 18:00	0.68 · high	3.36 · good	24.80 · good	poor
Sun 19:00	0.68 · high	2.98 · good	24.80 · good	poor
Sun 20:00	0.66 · high	3.35 · good	24.80 · good	poor
Sun 21:00	0.66 · high	3.72 · good	24.70 · good	poor
Sun 22:00	0.64 · high	3.69 · good	24.70 · good	poor
Sun 23:00	0.60 · high	3.80 · good	24.70 · good	poor
Mon 00:00	0.58 · high	3.91 · good	24.70 · good	poor
Mon 01:00	0.58 · high	3.68 · good	24.70 · good	poor
Mon 02:00	0.56 · high	3.82 · good	24.60 · good	poor