Current sea water temperature:
+41.4°F
| Minimum sea water temperature in March: | 44.6°F |
| Maximum sea water temperature in March: | 34.7°F |
| Average sea water temperature in March: | 40.0°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| March 18 | 41.4°F | March 13 | 38.5°F |
| March 17 | 39.0°F | March 12 | 39.6°F |
| March 16 | 39.4°F | March 11 | 39.7°F |
| March 15 | 39.9°F | March 10 | 37.9°F |
| March 14 | 39.2°F | March 9 | 36.9°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
March
March
| 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: 17:38
March 18, wednesday
1800
34°F
NW
11 mph
11 mph
2100
32°F
NW
9 mph
9 mph
March 19, thursday
0000
32°F
NW
8 mph
8 mph
0300
30°F
NW
6 mph
6 mph
0600
32°F
NW
7 mph
7 mph
0900
34°F
NW
9 mph
9 mph
1200
36°F
NW
9 mph
9 mph
1500
37°F
N
9 mph
9 mph
