World Resorts USA Bay Saint Louis Weather

Bay Saint Louis sea water temperature

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

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

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.

Best time for vacation in Bay Saint Louis

Sunniest months:
October 20 days
September 16 days
May 14 days
Warmest months:
July 88.5 °F
August 88.3 °F
June 86.7 °F
Warmest sea temp:
August 86.9 °F
July 86.5 °F
June 83.9 °F
Coldest months:
January 57.3 °F
February 61.0 °F
December 61.0 °F
Rainiest months:
August 5 days
July 4 days
May 4 days
Windiest months:
April 9.2 mph
March 9.1 mph
January 8.8 mph

Bay Saint Louis on a weather map

Bay Saint Louis
+88°F
NE 12 mph
Feels like: +99°F
Precip.: 6%
Places in USA:
Name
°F
+72°F
+81°F
+79°F
+90°F
+70°F
+79°F
+75°F
+79°F
+75°F
+72°F
+57°F
+68°F
+79°F
+82°F
+72°F
24 Hours Forecast
Bay Saint Louis
Local time: 21:53
August 13, thursday
0000
86°F
NE
10 mph
0300
82°F
NE
9 mph
0600
81°F
NE
9 mph
0900
86°F
E
11 mph
1200
91°F
NE
9 mph
1500
93°F
NE
11 mph
1800
90°F
N
10 mph
2100
86°F
NE
14 mph
Units of measurement: °C / °F