Current sea water temperature:
+36.1°F
| Minimum sea water temperature in December: | 45.3°F |
| Maximum sea water temperature in December: | 34.3°F |
| Average sea water temperature in December: | 39.3°F |
| more information | |
14 days
forecast
forecast
| Marquette |
monthly
weather
weather
| Marquette |
Sea water temperature for the last 10 days:
| December 30 | 36.1°F | December 25 | 37.2°F |
| December 29 | 36.0°F | December 24 | 37.6°F |
| December 28 | 35.8°F | December 23 | 37.9°F |
| December 27 | 36.1°F | December 22 | 38.3°F |
| December 26 | 36.7°F | December 21 | 38.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Marquette?
Based on the data about daily sea water temperature for the last three years the warmest sea in Marquette was noticed in August, September and July.
Monthly Sea Temperatures in Marquette, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 69.6°F and 62.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.7°F. The highest and lowest sea temperatures during the month were 64.2°F and 58.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 60.8°F. The highest and lowest sea temperatures during the month were 68.2°F and 51.1°F.
current
weather
weather
| Marquette |
weather in
January
January
| Marquette |
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 22:41
December 31, wednesday
0000
10°F
E
6 mph
6 mph
0300
12°F
E
6 mph
6 mph
0600
12°F
SE
9 mph
9 mph
0900
10°F
SE
11 mph
11 mph
1200
10°F
SE
14 mph
14 mph
1500
9°F
SE
16 mph
16 mph
1800
7°F
SE
16 mph
16 mph
2100
5°F
SE
15 mph
15 mph
