Current sea water temperature:
+77.9°F
| Minimum sea water temperature in August: | 81.9°F |
| Maximum sea water temperature in August: | 68.9°F |
| Average sea water temperature in August: | 77.2°F |
| more information | |
14 days
forecast
forecast
| Port Clinton |
monthly
weather
weather
| Port Clinton |
Sea water temperature for the last 10 days:
| August 12 | 77.9°F | August 7 | 77.4°F |
| August 11 | 78.3°F | August 6 | 77.4°F |
| August 10 | 78.6°F | August 5 | 77.4°F |
| August 9 | 78.1°F | August 4 | 76.6°F |
| August 8 | 78.1°F | August 3 | 76.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Port Clinton?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port Clinton was noticed in July, August and September.
Monthly Sea Temperatures in Port Clinton, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 82.6°F and 74.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 68.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 73.0°F and 67.8°F.
current
weather
weather
| Port Clinton |
weather in
August
August
| Port Clinton |
Best time for vacation in Port Clinton
Port Clinton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port Clinton
Local time: 14:59
August 12, wednesday
1500
73°F
NE
6 mph
6 mph
1800
72°F
E
5 mph
5 mph
2100
72°F
E
12 mph
12 mph
August 13, thursday
0000
70°F
E
9 mph
9 mph
0300
66°F
E
8 mph
8 mph
0600
70°F
S
5 mph
5 mph
0900
72°F
SW
2 mph
2 mph
1200
75°F
SW
4 mph
4 mph
