Measurements:
°C
°F
Long Beach
72°F
NW 10 mph
Feels like: 72°F
Precip: 8%
World Resorts USA Long Beach Weather

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+75.2°F
Maximum Sea Water Temperature in September: 76.8°F
Minimum Sea Water Temperature in September: 61.0°F
Average water temperature in September: 69.7°F

Sea Water Temperature for the Last 10 Days:

September 15 75.2°F September 10 72.6°F
September 14 74.6°F September 09 73.4°F
September 13 74.6°F September 08 73.4°F
September 12 72.6°F September 07 73.6°F
September 11 72.0°F September 06 74.0°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 September, August and July.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Long Beach was 73.7°F. The maximum and minimum values were 72.0°F and 75.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Long Beach was 72.0°F. The maximum and minimum values were 68.4°F and 77.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Long Beach was 70.4°F. The maximum and minimum values were 65.4°F and 74.6°F respectively.

Best Time to Visit Long Beach
The most sunny months:
August 21 days
July 21 days
January 20 days
The most warm months:
August 83.2 °F
September 82.2 °F
July 80.7 °F
Warmest sea temperature:
September 69.6 °F
August 69.2 °F
July 68.0 °F
The most cold months:
December 66.1 °F
January 66.5 °F
February 66.9 °F
The most rainy months:
February 2 days
March 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
June 7 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: 07:30
15 sep, tuesday
0900 74°F
NW
9 mph
1200 76°F
N
9 mph
1500 76°F
N
9 mph
1800 74°F
N
8 mph
2100 72°F
N
6 mph
16 sep, wednesday
0000 72°F
N
5 mph
0300 70°F
NW
6 mph
0600 70°F
NW
6 mph