Current Sea Water Temperature:
+65.6°F
| Maximum Sea Water Temperature in July: | 77.8°F |
| Minimum Sea Water Temperature in July: | 61.0°F |
| Average water temperature in July: | 67.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 09 | 65.6°F | July 04 | 68.8°F |
| July 08 | 65.6°F | July 03 | 72.8°F |
| July 07 | 66.4°F | July 02 | 73.0°F |
| July 06 | 66.4°F | July 01 | 73.2°F |
| July 05 | 67.8°F | June 30 | 74.2°F |
When is the Warmest Sea for Gdynia?
According to our data for the last three years for Gdynia 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 Gdynia was 68.6°F. The maximum and minimum values were 65.6°F and 71.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Gdynia was 66.3°F. The maximum and minimum values were 61.0°F and 70.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Gdynia was 65.8°F. The maximum and minimum values were 62.0°F and 68.8°F respectively.
Poland Resorts:
NAME
F°
| Gdansk |  |
+60 |
| Gdynia | |
+60 |
| Krakow |  |
+56 |
| Krynica Morska | |
+58 |
| Leba | |
+64 |
| Miedzyzdroje |  |
+66 |
| Poznan | |
+56 |
| Sopot | |
+60 |
| Szczecin | |
+58 |
| Ustka | |
+60 |
| Vladyslawowo | |
+58 |
| Warsaw | |
+56 |
| Wisla | |
+54 |
| Wroclaw | |
+58 |
| Zakopane |  |
+42 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Gdynia
Local time: 00:40
10 jul, friday
| 0300 |  |
60°F | SE 14 mph |
| 0600 | |
62°F | SE 16 mph |
| 0900 |  |
64°F | S 17 mph |
| 1200 | |
66°F | S 15 mph |
| 1500 |  |
64°F | S 14 mph |
| 1800 | |
64°F | S 14 mph |
| 2100 | |
60°F | S 11 mph |
11 jul, saturday
| 0000 | |
58°F | SE 9 mph |