Measurements:
°C
°F
Long Beach
86°F
S 6 mph
Feels like: 92°F
Precip: 8%
World Resorts USA Long Beach Weather

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+91.4°F
Maximum Sea Water Temperature in September: 92.2°F
Minimum Sea Water Temperature in September: 79.8°F
Average water temperature in September: 87.5°F

Sea Water Temperature for the Last 10 Days:

September 15 91.4°F September 10 91.2°F
September 14 90.8°F September 09 91.8°F
September 13 90.2°F September 08 91.8°F
September 12 90.6°F September 07 91.8°F
September 11 90.6°F September 06 92.2°F

When is the Warmest Sea for Long Beach?

According to our data for the last three years for Long Beach the highest average sea water temperature was in August, July and June.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Long Beach was 91.4°F. The maximum and minimum values were 87.8°F and 93.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Long Beach was 91.0°F. The maximum and minimum values were 88.6°F and 92.2°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Long Beach was 87.6°F. The maximum and minimum values were 83.2°F and 90.8°F respectively.

Best Time to Visit Long Beach
The most sunny months:
October 20 days
September 14 days
November 14 days
The most warm months:
August 93.1 °F
July 92.7 °F
June 90.6 °F
Warmest sea temperature:
August 91.0 °F
July 90.4 °F
June 87.6 °F
The most cold months:
January 58.0 °F
December 62.3 °F
February 62.8 °F
The most rainy months:
August 4 days
July 4 days
June 4 days
The most windy months:
January 9 mph
April 8 mph
March 8 mph

Long Beach on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Long Beach
Local time: 09:29
15 sep, tuesday
1200 90°F
NW
7 mph
1500 90°F
NW
11 mph
1800 90°F
NW
9 mph
2100 88°F
NW
8 mph
16 sep, wednesday
0000 88°F
NW
6 mph
0300 88°F
W
10 mph
0600 88°F
W
14 mph
0900 86°F
W
17 mph