Measurements:
°C
°F
Marquette
66°F
N 5 mph
Feels like: 66°F
Precip: 86%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+67.4°F
Maximum Sea Water Temperature in August: 73.6°F
Minimum Sea Water Temperature in August: 61.8°F
Average water temperature in August: 67.7°F

Sea Water Temperature for the Last 10 Days:

August 25 67.4°F August 20 68.6°F
August 24 68.0°F August 19 68.8°F
August 23 68.6°F August 18 68.2°F
August 22 68.4°F August 17 69.2°F
August 21 68.6°F August 16 69.2°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Marquette was 67.7°F. The maximum and minimum values were 65.6°F and 69.2°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 63.6°F. The maximum and minimum values were 56.2°F and 68.8°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 16 days
May 13 days
August 13 days
The most warm months:
July 73.3 °F
August 72.8 °F
September 67.2 °F
Warmest sea temperature:
August 67.7 °F
September 63.6 °F
July 62.2 °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 +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Marquette
Local time: 17:43
25 aug, tuesday
1800 66°F
N
5 mph
2100 64°F
N
7 mph
26 aug, wednesday
0000 66°F
N
8 mph
0300 64°F
N
12 mph
0600 62°F
NE
13 mph
0900 62°F
NE
9 mph
1200 72°F
E
7 mph
1500 70°F
E
9 mph