Measurements:
°C
°F
Sandusky
14°F
N 7 mph
Feels like: 6°F
Precip: 0%
World Resorts USA Sandusky Weather

Sandusky Sea Water Temperature

Current Sea Water Temperature:
+40.0°F
Maximum Sea Water Temperature in December: 45.2°F
Minimum Sea Water Temperature in December: 30.4°F
Average water temperature in December: 38.2°F

Sea Water Temperature for the Last 10 Days:

December 04 40.0°F November 29 42.2°F
December 03 40.2°F November 28 42.8°F
December 02 40.8°F November 27 43.2°F
December 01 41.4°F November 26 43.4°F
November 30 41.6°F November 25 43.6°F

When is the Warmest Sea for Sandusky?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sandusky was 83.0°F. The maximum and minimum values were 79.6°F and 85.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sandusky was 79.8°F. The maximum and minimum values were 73.0°F and 84.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sandusky was 73.3°F. The maximum and minimum values were 70.0°F and 76.0°F respectively.

Best Time to Visit Sandusky
The most sunny months:
September 15 days
October 14 days
July 13 days
The most warm months:
July 80.8 °F
August 79.1 °F
June 75.9 °F
Warmest sea temperature:
July 80.1 °F
August 79.7 °F
September 74.3 °F
The most cold months:
January 29.0 °F
February 30.4 °F
December 36.7 °F
The most rainy months:
July 4 days
June 4 days
March 3 days
The most windy months:
November 14 mph
March 13 mph
December 12 mph

Sandusky on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +80
Honolulu +80
Houston +46
Las Vegas +44
Los Angeles +56
Maui +72
Miami +72
Miami Beach +80
New York +22
San Diego +58
San Francisco +48
Sarasota +64
Tampa +64
Washington +28
24 Hours Weather Forecast
Sandusky
Local time: 00:18
05 dec, friday
0300 12°F
N
9 mph
0600 12°F
N
9 mph
0900 16°F
N
9 mph
1200 24°F
NE
11 mph
1500 26°F
NE
11 mph
1800 30°F
NE
9 mph
2100 24°F
NE
12 mph
06 dec, saturday
0000 26°F
NE
15 mph