Current Sea Water Temperature:
+80.6°F
| Maximum Sea Water Temperature in August: | 84.4°F |
| Minimum Sea Water Temperature in August: | 73.6°F |
| Average water temperature in August: | 80.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 13 | 80.6°F | August 08 | 82.4°F |
| August 12 | 80.6°F | August 07 | 81.6°F |
| August 11 | 80.6°F | August 06 | 80.8°F |
| August 10 | 81.0°F | August 05 | 79.8°F |
| August 09 | 82.2°F | August 04 | 78.8°F |
When is the Warmest Sea for Mamaia?
According to our data for the last three years for Mamaia the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Mamaia was 79.2°F. The maximum and minimum values were 73.6°F and 82.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Mamaia was 77.7°F. The maximum and minimum values were 74.6°F and 81.8°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Mamaia was 74.5°F. The maximum and minimum values were 70.6°F and 78.4°F respectively.
Romania Resorts:
NAME
F°
| Baile Tusnad | ![]() |
+58 |
| Brasov | ![]() |
+56 |
| Bucharest | ![]() |
+74 |
| Cluj Napoca | ![]() |
+64 |
| Covasna | ![]() |
+58 |
| Eforie Nord | ![]() |
+72 |
| Galati | ![]() |
+64 |
| Konstanta | ![]() |
+72 |
| Lasi | ![]() |
+62 |
| Mamaia | ![]() |
+72 |
| Mangalia | ![]() |
+70 |
| Poiana Brasov | ![]() |
+56 |
| Sinaia | ![]() |
+58 |
| Slanic Moldova | ![]() |
+58 |
| Sovata | ![]() |
+64 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Mamaia
Local time: 00:02
14 aug, friday
| 0300 | ![]() |
70°F | S 9 mph |
| 0600 | ![]() |
68°F | S 12 mph |
| 0900 | ![]() |
74°F | SW 14 mph |
| 1200 | ![]() |
80°F | SW 14 mph |
| 1500 | ![]() |
80°F | W 16 mph |
| 1800 | ![]() |
78°F | W 14 mph |
| 2100 | ![]() |
74°F | W 8 mph |
15 aug, saturday
| 0000 | ![]() |
72°F | SW 9 mph |






























