Current Sea Water Temperature:
+78.0°F
| Maximum Sea Water Temperature in July: | 87.6°F |
| Minimum Sea Water Temperature in July: | 69.2°F |
| Average water temperature in July: | 79.3°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 22 | 78.0°F | July 17 | 77.8°F |
| July 21 | 78.4°F | July 16 | 77.4°F |
| July 20 | 78.2°F | July 15 | 76.4°F |
| July 19 | 78.6°F | July 14 | 75.8°F |
| July 18 | 78.4°F | July 13 | 76.0°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 78.5°F. The maximum and minimum values were 75.8°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 |  |
+68 |
| Brasov | |
+58 |
| Bucharest | |
+68 |
| Cluj Napoca | |
+74 |
| Covasna | |
+66 |
| Eforie Nord | |
+80 |
| Galati |  |
+68 |
| Konstanta | |
+80 |
| Lasi | |
+76 |
| Mamaia | |
+80 |
| Mangalia | |
+82 |
| Poiana Brasov | |
+58 |
| Sinaia | |
+58 |
| Slanic Moldova |  |
+74 |
| Sovata | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Mamaia
Local time: 13:41
22 jul, wednesday
| 1500 |  |
80°F | NW 10 mph |
| 1800 |  |
70°F | SW 6 mph |
| 2100 |  |
70°F | S 5 mph |
23 jul, thursday
| 0000 | |
68°F | S 14 mph |
| 0300 | |
66°F | SE 18 mph |
| 0600 |  |
64°F | SE 19 mph |
| 0900 |  |
68°F | S 21 mph |
| 1200 |  |
76°F | S 17 mph |