What conditions make snorkeling ideal?

Ideal snorkeling conditions require wave height less than 0.36 meters, wind speed below 5.4 meters/second, sea surface temperature between 20.6°C and 30.4°C, and being within ±72 minutes of high tide with currents ≤ 0.36 m/s.

Snorkel Forecast – Santorini, Greece

All times are in EET

Forecast Summary

Over the next 66 hours (from Sun 22:00 to Wed 15:00), snorkeling conditions will vary across excellent, good, fair and poor periods. Overall, there are 0 excellent, 0 good, 0 fair, and 66 poor hours.

Daily outlook

Monday: 24× poor
Tuesday: 24× poor
Wednesday: 18× poor

Snorkel Score (next 24h)

Snorkel Score (next 72h)

Upcoming High Tides

Tue 20:00, Wed 12:00

Recent Average Conditions

Wave height: 0.7 m
Wind speed: 13.2 m/s
Sea temperature: 21.2 °C

Seasonal Snorkeling Trends

Best months for snorkeling: December, October, November

FAQs

When is the next safe snorkel window?

No safe snorkeling window is expected in the next 72 hours.

Condition Trends (next 24h)

Condition Trends (next 72h)

72-Hour Forecast Overview

Sun Sun 22:00 22:00 poor

Sun Sun 23:00 23:00 poor

Mon Mon 00:00 00:00 poor

Mon Mon 01:00 01:00 poor

Mon Mon 02:00 02:00 poor

Mon Mon 03:00 03:00 poor

Mon Mon 04:00 04:00 poor

Mon Mon 05:00 05:00 poor

Mon Mon 06:00 06:00 poor

Mon Mon 07:00 07:00 poor

Mon Mon 08:00 08:00 poor

Mon Mon 09:00 09:00 poor

Mon Mon 10:00 10:00 poor

Mon Mon 11:00 11:00 poor

Mon Mon 12:00 12:00 poor

Mon Mon 13:00 13:00 poor

Mon Mon 14:00 14:00 poor

Mon Mon 15:00 15:00 poor

Mon Mon 16:00 16:00 poor

Mon Mon 17:00 17:00 poor

Mon Mon 18:00 18:00 poor

Mon Mon 19:00 19:00 poor

Mon Mon 20:00 20:00 poor

Mon Mon 21:00 21:00 poor

Mon Mon 22:00 22:00 poor

Mon Mon 23:00 23:00 poor

Tue Tue 00:00 00:00 poor

Tue Tue 01:00 01:00 poor

Tue Tue 02:00 02:00 poor

Tue Tue 03:00 03:00 poor

Tue Tue 04:00 04:00 poor

Tue Tue 05:00 05:00 poor

Tue Tue 06:00 06:00 poor

Tue Tue 07:00 07:00 poor

Tue Tue 08:00 08:00 poor

Tue Tue 09:00 09:00 poor

Tue Tue 10:00 10:00 poor

Tue Tue 11:00 11:00 poor

Tue Tue 12:00 12:00 poor

Tue Tue 13:00 13:00 poor

Tue Tue 14:00 14:00 poor

Tue Tue 15:00 15:00 poor

Tue Tue 16:00 16:00 poor

Tue Tue 17:00 17:00 poor

Tue Tue 18:00 18:00 poor

Tue Tue 19:00 19:00 poor

Tue Tue 20:00 20:00 poor

Tue Tue 21:00 21:00 poor

Tue Tue 22:00 22:00 poor

Tue Tue 23:00 23:00 poor

Wed Wed 00:00 00:00 poor

Wed Wed 01:00 01:00 poor

Wed Wed 02:00 02:00 poor

Wed Wed 03:00 03:00 poor

Wed Wed 04:00 04:00 poor

Wed Wed 05:00 05:00 poor

Wed Wed 06:00 06:00 poor

Wed Wed 07:00 07:00 poor

Wed Wed 08:00 08:00 poor

Wed Wed 09:00 09:00 poor

Wed Wed 10:00 10:00 poor

Wed Wed 11:00 11:00 poor

Wed Wed 12:00 12:00 poor

Wed Wed 13:00 13:00 poor

Wed Wed 14:00 14:00 poor

Wed Wed 15:00 15:00 poor

How We Calculate Conditions

We consider snorkeling conditions to be ideal when all of the following criteria, fetched from the Open-Meteo API, are met during daylight hours (between sunrise and sunset):

Wave height is less than 0.36 meters.
Wind speed is below 5.4 meters/second.
Sea surface temperature is between 20.6°C and 30.4°C.
Within ±72 min of high tide and currents ≤ 0.36 m/s.

Detailed Conditions

Time	Sunrise	Sunset	Wave Height (m)	Wind Speed (m/s)	Sea Temp (°C)	Tide Height (m)	Current (m/s)	Score	Rating
Sun 22:00	05:10	15:03	1.14	13.70	20.20	-0.45	0.50	0.00	poor
Sun 23:00	05:10	15:03	1.12	14.80	20.20	-0.46	0.40	0.00	poor
Mon 00:00	05:11	15:03	1.10	15.10	20.20	-0.46	0.40	0.00	poor
Mon 01:00	05:11	15:03	1.12	17.00	20.20	-0.46	0.30	0.00	poor
Mon 02:00	05:11	15:03	1.12	16.30	20.20	-0.46	0.30	0.00	poor
Mon 03:00	05:11	15:03	1.14	15.20	20.20	-0.46	0.30	0.00	poor
Mon 04:00	05:11	15:03	1.12	13.20	20.20	-0.46	0.30	0.00	poor
Mon 05:00	05:11	15:03	1.10	11.80	20.20	-0.46	0.40	0.00	poor
Mon 06:00	05:11	15:03	1.08	10.10	20.20	-0.46	0.40	0.00	poor
Mon 07:00	05:11	15:03	1.04	10.00	20.20	-0.47	0.40	0.00	poor
Mon 08:00	05:11	15:03	0.98	9.80	20.20	-0.48	0.40	0.00	poor
Mon 09:00	05:11	15:03	0.94	9.70	20.30	-0.49	0.40	0.00	poor
Mon 10:00	05:11	15:03	0.90	9.40	20.30	-0.50	0.40	0.00	poor
Mon 11:00	05:11	15:03	0.84	9.70	20.30	-0.51	0.40	0.00	poor
Mon 12:00	05:11	15:03	0.80	9.70	20.30	-0.51	0.40	0.00	poor
Mon 13:00	05:11	15:03	0.76	9.20	20.30	-0.51	0.40	0.00	poor
Mon 14:00	05:11	15:03	0.70	8.20	20.30	-0.50	0.40	0.01	poor
Mon 15:00	05:11	15:03	0.66	6.60	20.30	-0.49	0.40	0.03	poor
Mon 16:00	05:11	15:03	0.62	4.80	20.20	-0.48	0.40	0.00	poor
Mon 17:00	05:11	15:03	0.60	3.60	20.20	-0.46	0.60	0.00	poor
Mon 18:00	05:11	15:03	0.56	3.10	20.20	-0.45	0.60	0.00	poor
Mon 19:00	05:11	15:03	0.54	3.10	20.20	-0.45	0.40	0.00	poor
Mon 20:00	05:11	15:03	0.50	3.20	20.20	-0.46	0.50	0.00	poor
Mon 21:00	05:11	15:03	0.48	2.90	20.30	-0.47	0.40	0.00	poor
Mon 22:00	05:11	15:03	0.46	3.10	20.30	-0.48	0.40	0.00	poor
Mon 23:00	05:11	15:03	0.44	3.10	20.30	-0.49	0.40	0.00	poor
Tue 00:00	05:12	15:03	0.42	3.10	20.30	-0.50	0.40	0.00	poor
Tue 01:00	05:12	15:03	0.40	3.10	20.30	-0.51	0.40	0.00	poor
Tue 02:00	05:12	15:03	0.40	3.10	20.30	-0.51	0.40	0.00	poor
Tue 03:00	05:12	15:03	0.38	3.30	20.20	-0.50	0.40	0.00	poor
Tue 04:00	05:12	15:03	0.36	3.10	20.20	-0.50	0.50	0.00	poor
Tue 05:00	05:12	15:03	0.36	3.30	20.20	-0.49	0.50	0.00	poor
Tue 06:00	05:12	15:03	0.34	2.60	20.20	-0.49	0.60	0.37	poor
Tue 07:00	05:12	15:03	0.32	2.80	20.20	-0.49	0.60	0.38	poor
Tue 08:00	05:12	15:03	0.32	3.40	20.30	-0.50	0.60	0.36	poor
Tue 09:00	05:12	15:03	0.30	4.00	20.40	-0.50	0.60	0.35	poor
Tue 10:00	05:12	15:03	0.28	4.50	20.40	-0.51	0.60	0.34	poor
Tue 11:00	05:12	15:03	0.28	4.30	20.40	-0.51	0.50	0.35	poor
Tue 12:00	05:12	15:03	0.26	5.50	20.40	-0.52	0.50	0.30	poor
Tue 13:00	05:12	15:03	0.26	5.10	20.40	-0.52	0.50	0.32	poor
Tue 14:00	05:12	15:03	0.24	6.50	20.40	-0.51	0.40	0.25	poor
Tue 15:00	05:12	15:03	0.24	5.40	20.40	-0.50	0.30	0.32	poor
Tue 16:00	05:12	15:03	0.24	6.00	20.40	-0.48	0.30	0.00	poor
Tue 17:00	05:12	15:03	0.22	6.20	20.40	-0.46	0.40	0.00	poor
Tue 18:00	05:12	15:03	0.22	7.40	20.40	-0.45	0.40	0.00	poor
Tue 19:00	05:12	15:03	0.22	5.60	20.40	-0.45	0.40	0.00	poor
Tue 20:00	05:12	15:03	0.20	5.70	20.40	-0.44	0.40	0.00	poor
Tue 21:00	05:12	15:03	0.20	6.10	20.40	-0.45	0.40	0.00	poor
Tue 22:00	05:12	15:03	0.20	6.20	20.40	-0.46	0.40	0.00	poor
Tue 23:00	05:12	15:03	0.18	6.60	20.40	-0.48	0.40	0.00	poor
Wed 00:00	05:13	15:03	0.18	7.30	20.40	-0.49	0.40	0.00	poor
Wed 01:00	05:13	15:03	0.18	8.40	20.40	-0.50	0.40	0.00	poor
Wed 02:00	05:13	15:03	0.16	9.60	20.40	-0.50	0.40	0.00	poor
Wed 03:00	05:13	15:03	0.16	12.10	20.40	-0.50	0.50	0.00	poor
Wed 04:00	05:13	15:03	0.16	13.40	20.40	-0.49	0.50	0.00	poor
Wed 05:00	05:13	15:03	0.14	14.20	20.40	-0.48	0.60	0.00	poor
Wed 06:00	05:13	15:03	0.14	18.00	20.40	-0.47	0.60	0.00	poor
Wed 07:00	05:13	15:03	0.20	17.70	20.40	-0.47	0.80	0.00	poor
Wed 08:00	05:13	15:03	0.24	21.10	20.40	-0.47	0.80	0.00	poor
Wed 09:00	05:13	15:03	0.30	22.20	20.40	-0.47	0.90	0.00	poor
Wed 10:00	05:13	15:03	0.34	22.70	20.40	-0.47	0.90	0.00	poor
Wed 11:00	05:13	15:03	0.38	22.40	20.40	-0.48	0.90	0.00	poor
Wed 12:00	05:13	15:03	0.42	22.70	20.40	-0.47	0.80	0.00	poor
Wed 13:00	05:13	15:03	0.48	24.00	20.40	-0.48	0.80	0.00	poor
Wed 14:00	05:13	15:03	0.52	24.90	20.40	-0.47	0.80	0.00	poor
Wed 15:00	05:13	15:03	0.58	26.00	20.40	-0.46	0.80	0.00	poor