Measurements:
°C
°F
Sea Isle City
102°F
E 12 mph
Feels like: 110°F
Precip: 1%
World Resorts USA Sea Isle City Weather

Sea Isle City Sea Water Temperature

Current Sea Water Temperature:
+77.8°F
Maximum Sea Water Temperature in July: 83.6°F
Minimum Sea Water Temperature in July: 68.4°F
Average water temperature in July: 77.5°F

Sea Water Temperature for the Last 10 Days:

July 15 77.8°F July 10 78.0°F
July 14 77.4°F July 09 77.2°F
July 13 78.4°F July 08 80.6°F
July 12 77.2°F July 07 80.6°F
July 11 77.4°F July 06 80.0°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Sea Isle City was 77.9°F. The maximum and minimum values were 72.6°F and 81.0°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
June 15 days
The most warm months:
July 84.5 °F
August 82.2 °F
June 78.0 °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
April 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
Boston +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Sea Isle City
Local time: 14:18
15 jul, wednesday
1500 102°F
E
12 mph
1800 96°F
E
9 mph
2100 90°F
E
7 mph
16 jul, thursday
0000 84°F
E
9 mph
0300 80°F
S
6 mph
0600 78°F
SW
4 mph
0900 86°F
W
1 mph
1200 90°F
NE
7 mph