Current sea water temperature:
+39.2°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: | 39.4°F |
| more information | |
14 days
forecast
forecast
| Marquette |
monthly
weather
weather
| Marquette |
Sea water temperature for the last 10 days:
| December 14 | 39.2°F | December 9 | 40.6°F |
| December 13 | 39.4°F | December 8 | 41.2°F |
| December 12 | 39.6°F | December 7 | 41.5°F |
| December 11 | 39.9°F | December 6 | 41.4°F |
| December 10 | 40.3°F | December 5 | 41.4°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
December
December
| Marquette |
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 21:23
December 15, monday
0000
16°F
NE
9 mph
9 mph
0300
14°F
NE
13 mph
13 mph
0600
14°F
NE
14 mph
14 mph
0900
14°F
NE
10 mph
10 mph
1200
18°F
E
11 mph
11 mph
1500
19°F
SE
11 mph
11 mph
1800
21°F
SE
8 mph
8 mph
2100
23°F
E
6 mph
6 mph
