Current sea water temperature:
+68.2°F
| Minimum sea water temperature in June: | 71.2°F |
| Maximum sea water temperature in June: | 55.2°F |
| Average sea water temperature in June: | 63.8°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| June 26 | 68.2°F | June 21 | 66.7°F |
| June 25 | 69.1°F | June 20 | 67.1°F |
| June 24 | 65.7°F | June 19 | 65.7°F |
| June 23 | 66.6°F | June 18 | 65.7°F |
| June 22 | 66.9°F | June 17 | 66.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Dennis Port?
Based on the data about daily sea water temperature for the last three years the warmest sea in Dennis Port was noticed in August, July and September.
Monthly Sea Temperatures in Dennis Port, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 68.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 73.6°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 71.2°F and 66.6°F.
current
weather
weather
| Dennis Port |
weather in
July
July
| Dennis Port |
Best time for vacation in Dennis Port
Dennis Port on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dennis Port
Local time: 18:20
June 26, friday
2100

68°F
NE
9 mph
9 mph
June 27, saturday
0000

68°F
NE
9 mph
9 mph
0300

68°F
NE
8 mph
8 mph
0600

68°F
NE
9 mph
9 mph
0900

68°F
E
12 mph
12 mph
1200

72°F
E
9 mph
9 mph
1500

72°F
N
9 mph
9 mph
1800

72°F
N
13 mph
13 mph



























