Measurements:
°C
°F
Sea Isle City
46°F
N 26 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Sea Isle City Weather

Sea Isle City Sea Water Temperature

Current Sea Water Temperature:
+40.4°F
Maximum Sea Water Temperature in March: 47.6°F
Minimum Sea Water Temperature in March: 35.0°F
Average water temperature in March: 43.0°F

Sea Water Temperature for the Last 10 Days:

March 13 40.4°F March 08 39.6°F
March 12 41.8°F March 07 35.0°F
March 11 41.4°F March 06 36.4°F
March 10 40.8°F March 05 36.2°F
March 09 39.2°F March 04 35.6°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
September 15 days
October 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 40.5 °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 +44
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +96
Los Angeles +100
Maui +70
Miami +80
Miami Beach +82
New York +42
San Diego +94
San Francisco +74
Sarasota +76
Tampa +82
Washington +60
24 Hours Weather Forecast
Sea Isle City
Local time: 18:23
13 mar, friday
2100 42°F
N
24 mph
14 mar, saturday
0000 44°F
NE
22 mph
0300 42°F
NE
16 mph
0600 42°F
E
16 mph
0900 44°F
E
22 mph
1200 46°F
E
22 mph
1500 50°F
E
21 mph
1800 52°F
SE
14 mph