Current sea water temperature:
+63.7°F
| Minimum sea water temperature in July: | 68.2°F |
| Maximum sea water temperature in July: | 47.8°F |
| Average sea water temperature in July: | 60.8°F |
| more information | |
14 days
forecast
forecast
| Marquette |
monthly
weather
weather
| Marquette |
Sea water temperature for the last 10 days:
| July 21 | 63.7°F | July 16 | 66.2°F |
| July 20 | 62.6°F | July 15 | 62.8°F |
| July 19 | 64.8°F | July 14 | 60.1°F |
| July 18 | 65.7°F | July 13 | 64.0°F |
| July 17 | 65.8°F | July 12 | 64.4°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 61.7°F. The highest and lowest sea temperatures during the month were 66.2°F and 55.6°F.
current
weather
weather
| Marquette |
weather in
July
July
| Marquette |
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 09:30
July 21, tuesday
1200
61°F
SE
14 mph
14 mph
1500
55°F
S
14 mph
14 mph
1800
55°F
SE
16 mph
16 mph
2100
50°F
S
16 mph
16 mph
July 22, wednesday
0000
52°F
SE
14 mph
14 mph
0300
52°F
SE
12 mph
12 mph
0600
52°F
SE
11 mph
11 mph
0900
57°F
SE
11 mph
11 mph
