Measurements:
°C
°F
Atlantic City
28°F
S 11 mph
Feels like: 16°F
Precip: 0%
World Resorts USA Atlantic City Weather

Atlantic City Sea Water Temperature

Current Sea Water Temperature:
+44.6°F
Maximum Sea Water Temperature in December: 55.8°F
Minimum Sea Water Temperature in December: 36.8°F
Average water temperature in December: 47.1°F

Sea Water Temperature for the Last 10 Days:

December 05 44.6°F November 30 47.8°F
December 04 44.8°F November 29 49.2°F
December 03 46.6°F November 28 50.4°F
December 02 47.4°F November 27 49.6°F
December 01 48.2°F November 26 48.8°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Atlantic City was 78.7°F. The maximum and minimum values were 74.2°F and 83.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Atlantic City was 80.3°F. The maximum and minimum values were 77.4°F and 83.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Atlantic City was 74.0°F. The maximum and minimum values were 71.2°F and 76.6°F respectively.

Best Time to Visit Atlantic City
The most sunny months:
August 16 days
November 16 days
June 15 days
The most warm months:
July 84.5 °F
August 83.1 °F
September 77.0 °F
Warmest sea temperature:
August 78.2 °F
July 78.0 °F
September 75.2 °F
The most cold months:
January 37.9 °F
February 40.3 °F
December 45.4 °F
The most rainy months:
May 4 days
February 4 days
March 4 days
The most windy months:
January 13 mph
March 13 mph
April 12 mph

Atlantic City on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Atlantic City
Local time: 03:35
05 dec, friday
0600 28°F
SW
9 mph
0900 28°F
W
6 mph
1200 32°F
W
6 mph
1500 34°F
W
7 mph
1800 36°F
W
4 mph
2100 38°F
SW
4 mph
06 dec, saturday
0000 38°F
SW
5 mph
0300 38°F
S
6 mph