Current sea water temperature:
+87.8°F
| Minimum sea water temperature in August: | 90.3°F |
| Maximum sea water temperature in August: | 84.0°F |
| Average sea water temperature in August: | 86.9°F |
| more information | |
14 days
forecast
forecast
| Bay Saint Louis |
monthly
weather
weather
| Bay Saint Louis |
Sea water temperature for the last 10 days:
| August 12 | 87.8°F | August 7 | 86.9°F |
| August 11 | 87.4°F | August 6 | 86.9°F |
| August 10 | 87.6°F | August 5 | 86.4°F |
| August 9 | 87.4°F | August 4 | 86.2°F |
| August 8 | 87.8°F | August 3 | 87.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Bay Saint Louis?
Based on the data about daily sea water temperature for the last three years the warmest sea in Bay Saint Louis was noticed in August, July and June.
Monthly Sea Temperatures in Bay Saint Louis, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.5°F and 84.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.4°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 86.7°F and 80.4°F.
current
weather
weather
| Bay Saint Louis |
weather in
August
August
| Bay Saint Louis |
Best time for vacation in Bay Saint Louis
Bay Saint Louis on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bay Saint Louis
Local time: 21:18
August 13, thursday
0000

86°F
NE
10 mph
10 mph
0300

82°F
NE
9 mph
9 mph
0600

81°F
NE
9 mph
9 mph
0900

86°F
E
11 mph
11 mph
1200

91°F
NE
9 mph
9 mph
1500

93°F
NE
11 mph
11 mph
1800

90°F
N
10 mph
10 mph
2100

86°F
NE
14 mph
14 mph






























