Current sea water temperature:
+33.3°F
| Minimum sea water temperature in March: | 40.5°F |
| Maximum sea water temperature in March: | 32.2°F |
| Average sea water temperature in March: | 34.4°F |
| more information | |
14 days
forecast
forecast
| Green Bay |
monthly
weather
weather
| Green Bay |
Sea water temperature for the last 10 days:
| March 18 | 33.3°F | March 13 | 34.0°F |
| March 17 | 33.3°F | March 12 | 34.3°F |
| March 16 | 33.4°F | March 11 | 34.7°F |
| March 15 | 33.6°F | March 10 | 35.2°F |
| March 14 | 33.8°F | March 9 | 33.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Green Bay?
Based on the data about daily sea water temperature for the last three years the warmest sea in Green Bay was noticed in July, August and September.
Monthly Sea Temperatures in Green Bay, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 81.1°F and 73.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 76.8°F and 68.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 71.1°F and 61.9°F.
current
weather
weather
| Green Bay |
weather in
March
March
| Green Bay |
Best time for vacation in Green Bay
Green Bay on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Green Bay
Local time: 20:39
March 18, wednesday
2100
30°F
NE
10 mph
10 mph
March 19, thursday
0000
32°F
NE
7 mph
7 mph
0300
32°F
E
7 mph
7 mph
0600
34°F
NE
6 mph
6 mph
0900
34°F
S
3 mph
3 mph
1200
37°F
SW
2 mph
2 mph
1500
37°F
W
6 mph
6 mph
1800
37°F
NW
6 mph
6 mph
