Measurements:
°C
°F
Long Beach Island
40°F
SE 4 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Long Beach Island Weather

Long Beach Island Sea Water Temperature

Current Sea Water Temperature:
+36.6°F
Maximum Sea Water Temperature in January: 46.8°F
Minimum Sea Water Temperature in January: 32.4°F
Average water temperature in January: 41.5°F

Sea Water Temperature for the Last 10 Days:

January 08 36.6°F January 03 37.0°F
January 07 36.8°F January 02 38.2°F
January 06 36.6°F January 01 38.4°F
January 05 36.8°F December 31 38.6°F
January 04 36.4°F December 30 38.8°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Long Beach Island was 80.7°F. The maximum and minimum values were 76.2°F and 85.0°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
October 15 days
The most warm months:
July 84.1 °F
August 82.1 °F
June 77.1 °F
Warmest sea temperature:
July 80.1 °F
August 79.2 °F
September 75.2 °F
The most cold months:
January 38.9 °F
February 41.0 °F
December 43.3 °F
The most rainy months:
March 3 days
April 3 days
July 3 days
The most windy months:
January 11 mph
March 11 mph
December 11 mph

Long Beach Island on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Long Beach Island
Local time: 15:32
08 jan, thursday
1800 42°F
SW
0 mph
2100 34°F
SW
1 mph
09 jan, friday
0000 32°F
NW
4 mph
0300 32°F
N
7 mph
0600 34°F
N
7 mph
0900 38°F
N
11 mph
1200 40°F
N
13 mph
1500 42°F
N
15 mph