Current Sea Water Temperature:
+88.2°F
| Maximum Sea Water Temperature in July: | 94.6°F |
| Minimum Sea Water Temperature in July: | 86.8°F |
| Average water temperature in July: | 90.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 15 | 88.2°F | July 10 | 91.6°F |
| July 14 | 90.0°F | July 09 | 91.6°F |
| July 13 | 91.2°F | July 08 | 91.6°F |
| July 12 | 91.0°F | July 07 | 91.2°F |
| July 11 | 91.6°F | July 06 | 91.6°F |
When is the Warmest Sea for Bay Saint Louis?
According to our data for the last three years for Bay Saint Louis the highest average sea water temperature was in August, July and June.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Bay Saint Louis was 90.7°F. The maximum and minimum values were 88.6°F and 92.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Bay Saint Louis was 91.2°F. The maximum and minimum values were 88.2°F and 92.2°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Bay Saint Louis was 87.5°F. The maximum and minimum values were 83.8°F and 90.8°F respectively.
USA Resorts:
NAME
F°
| Boston |  |
+92 |
| Chicago | |
+86 |
| Hawaii |  |
+80 |
| Houston |  |
+80 |
| Las Vegas | |
+120 |
| Los Angeles | |
+106 |
| Maui |  |
+76 |
| Miami | |
+96 |
| Myrtle Beach | |
+96 |
| New York | |
+110 |
| San Diego | |
+96 |
| San Francisco | |
+76 |
| Santa Monica | |
+84 |
| Sarasota | |
+102 |
| Tampa | |
+100 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Bay Saint Louis
Local time: 14:12
15 jul, wednesday
| 1500 |  |
96°F | NE 7 mph |
| 1800 | |
94°F | E 7 mph |
| 2100 |  |
88°F | NE 9 mph |
16 jul, thursday
| 0000 | |
86°F | SE 4 mph |
| 0300 |  |
80°F | E 2 mph |
| 0600 | |
78°F | S 4 mph |
| 0900 |  |
84°F | SE 5 mph |
| 1200 | |
92°F | NE 3 mph |