Measurements:
°C
°F
Sea Isle City
70°F
NE 6 mph
Feels like: 70°F
Precip: 10%
World Resorts USA Sea Isle City Weather

Sea Isle City Sea Water Temperature

Current Sea Water Temperature:
+68.4°F
Maximum Sea Water Temperature in June: 78.4°F
Minimum Sea Water Temperature in June: 58.8°F
Average water temperature in June: 68.3°F

Sea Water Temperature for the Last 10 Days:

June 24 68.4°F June 19 70.0°F
June 23 71.0°F June 18 70.8°F
June 22 70.6°F June 17 68.6°F
June 21 67.2°F June 16 72.0°F
June 20 66.6°F June 15 73.4°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 40.5 °F
December 44.0 °F
The most rainy months:
July 3 days
October 2 days
November 2 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 +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +96
Los Angeles +66
Maui +74
Miami +80
Miami Beach +88
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Sea Isle City
Local time: 00:24
25 jun, thursday
0300 68°F
NE
4 mph
0600 68°F
E
4 mph
0900 74°F
NE
5 mph
1200 78°F
N
8 mph
1500 78°F
N
12 mph
1800 76°F
N
15 mph
2100 74°F
N
16 mph
26 jun, friday
0000 72°F
N
15 mph