Current sea water temperature:
+63.1°F
| Minimum sea water temperature in September: | 67.8°F |
| Maximum sea water temperature in September: | 56.8°F |
| Average sea water temperature in September: | 62.4°F |
| more information | |
14 days
forecast
forecast
| Marquette |
monthly
weather
weather
| Marquette |
Sea water temperature for the last 10 days:
| September 19 | 63.1°F | September 14 | 63.0°F |
| September 18 | 62.6°F | September 13 | 61.7°F |
| September 17 | 62.6°F | September 12 | 61.9°F |
| September 16 | 63.0°F | September 11 | 60.6°F |
| September 15 | 63.0°F | September 10 | 63.9°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 65.9°F. The highest and lowest sea temperatures during the month were 67.3°F and 64.0°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.5°F. The highest and lowest sea temperatures during the month were 67.8°F and 60.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 62.3°F. The highest and lowest sea temperatures during the month were 66.9°F and 55.6°F.
current
weather
weather
| Marquette |
weather in
September
September
| Marquette |
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 06:50
September 19, saturday
0900

50°F
NW
4 mph
4 mph
1200

59°F
NW
7 mph
7 mph
1500

59°F
N
6 mph
6 mph
1800

54°F
N
6 mph
6 mph
2100

52°F
N
3 mph
3 mph
September 20, sunday
0000

54°F
NE
2 mph
2 mph
0300

54°F
SE
3 mph
3 mph
0600

54°F
S
5 mph
5 mph




























