October is a popular month to ask about Constanța Modern because conditions can shift week to week along this coast. Expect the water near 17.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Black Sea.
Constanța Modern sea temperature in October — averages 17.0°C
The sea at Constanța Modern in Romania averages 17.0°C during October, based on long-run climatology for the Black Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · October
17.0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 17.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Constanța Modern
Can you swim at Constanța Modern in June? — 21.0°C water21.0°CCan you swim at Constanța Modern in July? — 24.0°C water24.0°CCan you swim at Constanța Modern in August? — 25.0°C water25.0°CCan you swim at Constanța Modern in September? — 22.0°C water22.0°CCan you swim at Constanța Modern in October? — 17.0°C water17.0°CCan you swim at Constanța Modern in November? — 12.0°C water12.0°C
Frequently asked questions
What is the average sea temperature at Constanța Modern in October?
Constanța Modern averages 17.0°C in October, based on long-run climatology for the Black Sea.
Is the sea warm enough to swim at Constanța Modern in October?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Constanța Modern in October?
A 2 mm shorty is comfortable for sessions over 30 minutes.