Current sea water temperature:
+75.7°F
| Minimum sea water temperature in September: | 78.1°F |
| Maximum sea water temperature in September: | 62.8°F |
| Average sea water temperature in September: | 71.9°F |
| more information | |
14 days
forecast
forecast
| Port Clinton |
monthly
weather
weather
| Port Clinton |
Sea water temperature for the last 10 days:
| September 9 | 75.7°F | September 4 | 77.7°F |
| September 8 | 75.7°F | September 3 | 76.8°F |
| September 7 | 76.5°F | September 2 | 75.4°F |
| September 6 | 77.2°F | September 1 | 74.5°F |
| September 5 | 77.7°F | August 31 | 75.0°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.2°F. The highest and lowest sea temperatures during the month were 79.0°F and 74.5°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
September
September
| 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: 18:36
September 09, wednesday
2100
75°F
E
6 mph
6 mph
September 10, thursday
0000
73°F
E
7 mph
7 mph
0300
70°F
E
7 mph
7 mph
0600
70°F
E
5 mph
5 mph
0900
70°F
SE
4 mph
4 mph
1200
73°F
S
5 mph
5 mph
1500
73°F
SW
7 mph
7 mph
1800
72°F
W
6 mph
6 mph
