Zakynthos Sea Temperature
Greece · Updated hourly from satellite and marine data
Current Sea Temperature
25.6°C
Comfortable for snorkeling
Sea Surface Temperature Over the Year
Sea surface temperature in Zakynthos ranges from about 16.4°C in March to 25.8°C in September. The water is warmest in late summer and coolest in winter.
Over the past 30 days, the average sea temperature in Zakynthos has been 23.5°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| Sep | — | — | — |
| Oct | 25.0°C | 25.8°C | 26.9°C |
| Nov | 21.0°C | 22.3°C | 25.1°C |
| Dec | 19.9°C | 21.1°C | 22.1°C |
| Jan | 18.4°C | 19.0°C | 19.9°C |
| Feb | 16.6°C | 17.3°C | 18.4°C |
| Mar | 16.2°C | 16.5°C | 16.8°C |
| Apr | 16.0°C | 16.4°C | 17.0°C |
| May | 15.9°C | 17.1°C | 19.2°C |
| Jun | 18.0°C | 19.5°C | 22.8°C |
Based on recent forecast data collected for Zakynthos.
Zakynthos Water Temperature — Common Questions
What is the sea temperature in Zakynthos today?
The current sea surface temperature in Zakynthos is 25.6°C. Over the last 30 days, the average has been 23.5°C.
When is the water warmest in Zakynthos?
The warmest sea temperatures in Zakynthos occur in September, averaging around 25.8°C. Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.
When is the water coldest in Zakynthos?
The coldest sea temperatures are in March, averaging around 16.4°C. A wetsuit is recommended during this time.
Can you swim in Zakynthos today?
Yes — at 25.6°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Zakynthos.
View Snorkel Forecast →