Measurements:
°C
°F
Marquette
88°F
S 9 mph
Feels like: 86°F
Precip: 1%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in July: 70.2°F
Minimum Sea Water Temperature in July: 47.6°F
Average water temperature in July: 61.9°F

Sea Water Temperature for the Last 10 Days:

July 15 64.2°F July 10 67.0°F
July 14 61.2°F July 09 64.4°F
July 13 65.6°F July 08 60.6°F
July 12 66.0°F July 07 60.8°F
July 11 65.0°F July 06 60.4°F

When is the Warmest Sea for Marquette?

According to our data for the last three years for Marquette the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marquette was 67.7°F. The maximum and minimum values were 64.0°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marquette was 63.0°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Marquette was 61.7°F. The maximum and minimum values were 56.2°F and 67.0°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 14 days
May 13 days
August 13 days
The most warm months:
August 72.8 °F
July 72.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.8 °F
September 63.6 °F
July 61.9 °F
The most cold months:
January 18.8 °F
February 20.3 °F
December 25.3 °F
The most rainy months:
August 3 days
June 2 days
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Marquette
Local time: 16:00
15 jul, wednesday
1800 82°F
S
7 mph
2100 74°F
E
4 mph
16 jul, thursday
0000 70°F
E
5 mph
0300 72°F
E
6 mph
0600 70°F
E
6 mph
0900 72°F
SE
4 mph
1200 78°F
S
5 mph
1500 80°F
SW
7 mph