Measurements:
°C
°F
Sea Isle City
36°F
E 12 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Sea Isle City Weather

Sea Isle City Sea Water Temperature

Current Sea Water Temperature:
+32.4°F
Maximum Sea Water Temperature in February: 45.2°F
Minimum Sea Water Temperature in February: 29.4°F
Average water temperature in February: 38.3°F

Sea Water Temperature for the Last 10 Days:

February 21 32.4°F February 16 29.6°F
February 20 32.0°F February 15 29.6°F
February 19 30.6°F February 14 29.4°F
February 18 30.2°F February 13 30.2°F
February 17 30.8°F February 12 30.2°F

When is the Warmest Sea for Sea Isle City?

According to our data for the last three years for Sea Isle City 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 Sea Isle City was 79.2°F. The maximum and minimum values were 75.0°F and 83.0°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sea Isle City was 78.8°F. The maximum and minimum values were 75.4°F and 83.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sea Isle City was 74.3°F. The maximum and minimum values were 72.6°F and 76.6°F respectively.

Best Time to Visit Sea Isle City
The most sunny months:
November 18 days
October 15 days
September 15 days
The most warm months:
July 84.5 °F
August 82.2 °F
June 77.8 °F
Warmest sea temperature:
July 77.5 °F
August 77.0 °F
September 75.4 °F
The most cold months:
January 38.5 °F
February 41.6 °F
December 44.0 °F
The most rainy months:
July 3 days
March 3 days
April 3 days
The most windy months:
January 11 mph
March 11 mph
December 11 mph

Sea Isle City on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Sea Isle City
Local time: 08:20
21 feb, saturday
0900 36°F
E
12 mph
1200 42°F
SE
12 mph
1500 42°F
SE
12 mph
1800 40°F
SE
6 mph
2100 38°F
SW
6 mph
22 feb, sunday
0000 36°F
SW
5 mph
0300 36°F
SW
6 mph
0600 36°F
SW
9 mph