Measurements:
°C
°F
Petoskey
74°F
NW 9 mph
Feels like: 72°F
Precip: 0%
World Resorts USA Petoskey Weather

Petoskey Sea Water Temperature

Current Sea Water Temperature:
+31.2°F
Maximum Sea Water Temperature in April: 39.8°F
Minimum Sea Water Temperature in April: 30.4°F
Average water temperature in April: 33.0°F

Sea Water Temperature for the Last 10 Days:

April 23 31.2°F April 18 32.0°F
April 22 32.0°F April 17 32.0°F
April 21 32.2°F April 16 32.0°F
April 20 32.2°F April 15 32.0°F
April 19 31.6°F April 14 32.0°F

When is the Warmest Sea for Petoskey?

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

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 Petoskey was 72.6°F. The maximum and minimum values were 69.0°F and 76.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Petoskey was 69.5°F. The maximum and minimum values were 61.4°F and 74.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Petoskey was 66.8°F. The maximum and minimum values were 65.2°F and 69.6°F respectively.

Best Time to Visit Petoskey
The most sunny months:
September 13 days
August 13 days
July 13 days
The most warm months:
August 76.5 °F
July 76.1 °F
September 70.0 °F
Warmest sea temperature:
August 73.0 °F
July 69.7 °F
September 68.8 °F
The most cold months:
January 22.1 °F
February 22.6 °F
December 29.7 °F
The most rainy months:
October 3 days
July 2 days
August 2 days
The most windy months:
November 11 mph
December 11 mph
February 10 mph

Petoskey on the Weather Map

USA Resorts:
NAME
Chicago +70
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +68
Los Angeles +64
Maui +70
Miami +82
Miami Beach +82
New York +76
San Diego +66
San Francisco +58
Sarasota +88
Tampa +86
Washington +82
24 Hours Weather Forecast
Petoskey
Local time: 12:12
23 apr, thursday
1500 78°F
N
9 mph
1800 76°F
E
5 mph
2100 64°F
W
5 mph
24 apr, friday
0000 54°F
W
14 mph
0300 50°F
W
15 mph
0600 46°F
W
15 mph
0900 48°F
W
14 mph
1200 60°F
NW
13 mph