Current sea water temperature:
+65.1°F
| Minimum sea water temperature in May: | 66.6°F |
| Maximum sea water temperature in May: | 56.3°F |
| Average sea water temperature in May: | 61.6°F |
| more information | |
14 days
forecast
forecast
| Long Beach |
monthly
weather
weather
| Long Beach |
Sea water temperature for the last 10 days:
| May 21 | 65.1°F | May 16 | 61.9°F |
| May 20 | 64.4°F | May 15 | 61.9°F |
| May 19 | 63.5°F | May 14 | 61.7°F |
| May 18 | 62.8°F | May 13 | 61.3°F |
| May 17 | 62.4°F | May 12 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Long Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Long Beach was noticed in September, August and July.
Monthly Sea Temperatures in Long Beach, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 70.2°F and 63.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.1°F. The highest and lowest sea temperatures during the month were 72.1°F and 63.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 68.0°F and 58.6°F.
current
weather
weather
| Long Beach |
weather in
May
May
| Long Beach |
Best time for vacation in Long Beach
Long Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Long Beach
Local time: 12:46
May 21, thursday
1500
72°F
NE
12 mph
12 mph
1800
70°F
E
10 mph
10 mph
2100
66°F
NE
7 mph
7 mph
May 22, friday
0000
64°F
NE
4 mph
4 mph
0300
64°F
N
5 mph
5 mph
0600
63°F
NE
4 mph
4 mph
0900
66°F
NE
6 mph
6 mph
1200
70°F
NE
9 mph
9 mph
