Current sea water temperature:
+59.7°F
| Minimum sea water temperature in May: | 62.6°F |
| Maximum sea water temperature in May: | 45.0°F |
| Average sea water temperature in May: | 54.1°F |
| more information | |
14 days
forecast
forecast
| Dennis Port |
monthly
weather
weather
| Dennis Port |
Sea water temperature for the last 10 days:
| May 30 | 59.7°F | May 25 | 56.1°F |
| May 29 | 58.8°F | May 24 | 56.3°F |
| May 28 | 57.4°F | May 23 | 56.8°F |
| May 27 | 57.0°F | May 22 | 57.2°F |
| May 26 | 57.2°F | May 21 | 57.7°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
June
June
| 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: 01:29
May 31, sunday
0300
45°F
S
19 mph
19 mph
0600
48°F
S
16 mph
16 mph
0900
54°F
SE
9 mph
9 mph
1200
57°F
SE
2 mph
2 mph
1500
61°F
NE
2 mph
2 mph
1800
59°F
E
6 mph
6 mph
2100
55°F
SE
8 mph
8 mph
June 01, monday
0000
55°F
NE
11 mph
11 mph
