Measurements:
°C
°F
Atlantic City
70°F
SW 9 mph
Feels like: 70°F
Precip: 4%
World Resorts USA Atlantic City Weather

Atlantic City Sea Water Temperature

Current Sea Water Temperature:
+78.4°F
Maximum Sea Water Temperature in September: 83.4°F
Minimum Sea Water Temperature in September: 68.6°F
Average water temperature in September: 75.3°F

Sea Water Temperature for the Last 10 Days:

September 15 78.4°F September 10 80.4°F
September 14 79.8°F September 09 79.4°F
September 13 79.2°F September 08 79.8°F
September 12 78.0°F September 07 80.0°F
September 11 80.2°F September 06 79.4°F

When is the Warmest Sea for Atlantic City?

According to our data for the last three years for Atlantic City 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Atlantic City was 79.9°F. The maximum and minimum values were 77.4°F and 81.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Atlantic City was 78.2°F. The maximum and minimum values were 74.2°F and 81.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Atlantic City was 79.4°F. The maximum and minimum values were 78.0°F and 80.4°F respectively.

Best Time to Visit Atlantic City
The most sunny months:
July 16 days
August 16 days
June 16 days
The most warm months:
July 84.5 °F
August 83.1 °F
June 77.0 °F
Warmest sea temperature:
August 78.3 °F
July 78.0 °F
September 75.2 °F
The most cold months:
January 37.7 °F
February 40.0 °F
December 45.1 °F
The most rainy months:
May 4 days
February 4 days
April 4 days
The most windy months:
January 13 mph
March 13 mph
February 12 mph

Atlantic City on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Atlantic City
Local time: 10:32
15 sep, tuesday
1200 76°F
W
9 mph
1500 74°F
W
8 mph
1800 70°F
W
6 mph
2100 64°F
NW
6 mph
16 sep, wednesday
0000 62°F
NW
4 mph
0300 62°F
NW
1 mph
0600 60°F
W
1 mph
0900 70°F
NW
2 mph