Current sea water temperature:
+40.8°F
| Minimum sea water temperature in May: | 48.7°F |
| Maximum sea water temperature in May: | 34.0°F |
| Average sea water temperature in May: | 40.0°F |
| more information | |
14 days
forecast
forecast
| Marquette |
monthly
weather
weather
| Marquette |
Sea water temperature for the last 10 days:
| May 19 | 40.8°F | May 14 | 38.7°F |
| May 18 | 41.5°F | May 13 | 37.0°F |
| May 17 | 41.9°F | May 12 | 37.4°F |
| May 16 | 41.2°F | May 11 | 37.8°F |
| May 15 | 38.8°F | May 10 | 36.7°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
May
May
| Marquette |
Best time for vacation in Marquette
Marquette on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marquette
Local time: 08:30
May 19, tuesday
0900
61°F
E
9 mph
9 mph
1200
55°F
E
11 mph
11 mph
1500
50°F
E
15 mph
15 mph
1800
48°F
E
15 mph
15 mph
2100
43°F
E
14 mph
14 mph
May 20, wednesday
0000
41°F
SE
12 mph
12 mph
0300
37°F
SE
11 mph
11 mph
0600
36°F
SE
8 mph
8 mph
