Measurements:
°C
°F
Long Beach Island
96°F
E 11 mph
Feels like: 102°F
Precip: 1%
World Resorts USA Long Beach Island Weather

Long Beach Island Sea Water Temperature

Current Sea Water Temperature:
+78.6°F
Maximum Sea Water Temperature in July: 87.0°F
Minimum Sea Water Temperature in July: 72.8°F
Average water temperature in July: 80.0°F

Sea Water Temperature for the Last 10 Days:

July 15 78.6°F July 10 77.6°F
July 14 79.0°F July 09 77.4°F
July 13 77.8°F July 08 80.2°F
July 12 80.0°F July 07 79.2°F
July 11 78.4°F July 06 80.6°F

When is the Warmest Sea for Long Beach Island?

According to our data for the last three years for Long Beach Island 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 Long Beach Island was 79.0°F. The maximum and minimum values were 75.8°F and 83.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Long Beach Island was 78.6°F. The maximum and minimum values were 74.4°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 Long Beach Island was 73.8°F. The maximum and minimum values were 72.0°F and 76.0°F respectively.

Best Time to Visit Long Beach Island
The most sunny months:
November 17 days
September 15 days
June 15 days
The most warm months:
July 84.1 °F
August 82.1 °F
June 76.6 °F
Warmest sea temperature:
July 80.1 °F
August 79.2 °F
September 75.2 °F
The most cold months:
January 38.0 °F
February 39.8 °F
December 43.3 °F
The most rainy months:
April 3 days
July 3 days
September 2 days
The most windy months:
January 12 mph
March 11 mph
December 11 mph

Long Beach Island 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
Long Beach Island
Local time: 14:18
15 jul, wednesday
1500 96°F
E
11 mph
1800 96°F
E
13 mph
2100 90°F
NE
10 mph
16 jul, thursday
0000 80°F
S
7 mph
0300 78°F
S
4 mph
0600 78°F
SE
4 mph
0900 84°F
E
6 mph
1200 90°F
NE
9 mph