Current sea water temperature:
+72.0°F
| Minimum sea water temperature in July: | 77.7°F |
| Maximum sea water temperature in July: | 65.7°F |
| Average sea water temperature in July: | 71.9°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| July 21 | 72.0°F | July 16 | 73.4°F |
| July 20 | 72.1°F | July 15 | 72.5°F |
| July 19 | 71.6°F | July 14 | 71.6°F |
| July 18 | 72.9°F | July 13 | 72.0°F |
| July 17 | 72.9°F | July 12 | 71.4°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 72.0°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.3°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: 09:25
July 21, tuesday
1200
79°F
NW
16 mph
16 mph
1500
81°F
NW
19 mph
19 mph
1800
73°F
NW
18 mph
18 mph
2100
72°F
N
19 mph
19 mph
July 22, wednesday
0000
72°F
NE
30 mph
30 mph
0300
72°F
NE
22 mph
22 mph
0600
72°F
NE
19 mph
19 mph
0900
73°F
NE
18 mph
18 mph
