This data the coastal St. Constantine and Elena sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in St. Constantine and Elena today is 19.7°C. Based on our historical data over a period of ten years, the warmest water in this day in St. Constantine and Elena was recorded in 2023 and was 22.2°C, and the coldest was recorded in 2013 at 17.3°C. Sea water temperature in St. Constantine and Elena is expected to drop to 18.7°C in the next 10 days. October average water temperature in St. Constantine and Elena is 18.5°C, the minimum temperature is 14.1°C, and the maximum is 22.8°C.
The swimming season in St. Constantine and Elena lasts from June to October. During those months, St. Constantine and Elena water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in St. Constantine and Elena in winter reaches 7.8°C, in spring 11.1°C, in summer the average temperature rises to 24.1°C, and in autumn it is 18.6°C.
4 October 2025 |
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today temp |
19.7°C |
3 October 2025 |
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yesterday temp |
20.6°C |
The sea salinity in St. Constantine and Elena is 16.33‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for St. Constantine and Elena. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast St. Constantine and Elena. Data in table shown for 4 October 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
3' 0" | 2' 7" | 2' 4" | 2' 1" |
0.92 m | 0.79 m | 0.7 m | 0.63 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 10" | 1' 8" | 1' 6" | 1' 3" |
0.57 m | 0.52 m | 0.45 m | 0.39 m |
Data in a table show St. Constantine and Elena temperature today (4 October 2025). For more information and forecast for a few days, go to the weather forecast St. Constantine and Elena.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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8.4°C | 8.3°C | 7.9°C | 10.5°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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11.2°C | 10.5°C | 10.2°C | 9.3°C |
You may also be interested in other sections of our site for St. Constantine and Elena: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in St. Constantine and Elena. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in St. Constantine and Elena on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve