Current sea water temperature:
+53.2°F
| Minimum sea water temperature in May: | 56.7°F |
| Maximum sea water temperature in May: | 44.1°F |
| Average sea water temperature in May: | 50.4°F |
| more information | |
14 days
forecast
forecast
| Chatham |
monthly
weather
weather
| Chatham |
Sea water temperature for the last 10 days:
| May 25 | 53.2°F | May 20 | 53.6°F |
| May 24 | 53.1°F | May 19 | 52.5°F |
| May 23 | 53.1°F | May 18 | 51.3°F |
| May 22 | 52.7°F | May 17 | 50.7°F |
| May 21 | 52.7°F | May 16 | 51.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Chatham?
Based on the data about daily sea water temperature for the last three years the warmest sea in Chatham was noticed in August, July and September.
Monthly Sea Temperatures in Chatham, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.3°F and 65.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 62.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 63.9°F.
current
weather
weather
| Chatham |
weather in
May
May
| Chatham |
Best time for vacation in Chatham
Chatham on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Chatham
Local time: 21:56
May 26, tuesday
0000
61°F
E
9 mph
9 mph
0300
59°F
S
7 mph
7 mph
0600
57°F
S
6 mph
6 mph
0900
61°F
S
3 mph
3 mph
1200
63°F
NW
6 mph
6 mph
1500
64°F
N
11 mph
11 mph
1800
63°F
NE
11 mph
11 mph
2100
61°F
NE
11 mph
11 mph
