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

Long Beach Sea Water Temperature

Current Sea Water Temperature:
+60.2°F
Maximum Sea Water Temperature in February: 64.0°F
Minimum Sea Water Temperature in February: 53.0°F
Average water temperature in February: 59.6°F

Sea Water Temperature for the Last 10 Days:

February 21 60.2°F February 16 64.0°F
February 20 61.0°F February 15 63.8°F
February 19 62.4°F February 14 63.8°F
February 18 63.0°F February 13 63.8°F
February 17 63.6°F February 12 63.8°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: 2025 2024 2023

The average sea surface temperature in September 2025 for Long Beach was 69.4°F. The maximum and minimum values were 64.4°F and 72.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Long Beach was 71.2°F. The maximum and minimum values were 64.4°F and 74.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Long Beach was 65.3°F. The maximum and minimum values were 59.6°F and 70.0°F respectively.

Best Time to Visit Long Beach
The most sunny months:
July 22 days
August 21 days
January 20 days
The most warm months:
August 82.8 °F
September 82.2 °F
July 80.5 °F
Warmest sea temperature:
September 69.6 °F
August 69.0 °F
July 67.8 °F
The most cold months:
December 66.1 °F
January 66.5 °F
February 66.6 °F
The most rainy months:
February 2 days
March 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph

Long Beach on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +70
Honolulu +70
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Long Beach
Local time: 06:45
21 feb, saturday
0900 50°F
S
4 mph
1200 68°F
SW
4 mph
1500 68°F
NE
8 mph
1800 64°F
E
7 mph
2100 58°F
E
6 mph
22 feb, sunday
0000 56°F
E
2 mph
0300 56°F
SE
7 mph
0600 54°F
S
4 mph