Measurements:
°C
°F
Atlantic City
44°F
E 4 mph
Feels like: 42°F
Precip: 0%
World Resorts USA Atlantic City Weather

Atlantic City Sea Water Temperature

Current Sea Water Temperature:
+38.0°F
Maximum Sea Water Temperature in January: 50.6°F
Minimum Sea Water Temperature in January: 31.6°F
Average water temperature in January: 40.6°F

Sea Water Temperature for the Last 10 Days:

January 08 38.0°F January 03 38.6°F
January 07 37.4°F January 02 39.2°F
January 06 37.0°F January 01 39.2°F
January 05 36.8°F December 31 39.0°F
January 04 38.4°F December 30 39.0°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 45.1 °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 +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Atlantic City
Local time: 15:30
08 jan, thursday
1800 44°F
E
1 mph
2100 34°F
S
2 mph
09 jan, friday
0000 32°F
NW
3 mph
0300 32°F
N
8 mph
0600 34°F
N
8 mph
0900 38°F
N
11 mph
1200 42°F
N
12 mph
1500 44°F
N
15 mph