Water Temperature of Bay of St. Louis in Bay St. Louis, MS

Current Water Temperature

87.4°F

Measurement Time: Friday, August 22, 2025, 4:18 PM CDT

Today's Tides

High: August 22, 11:35 AM, 2.23 ft
 Low: August 22, 9:35 PM, 0.42 ft

Temperature Locations

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Local Points of Interest

Pass Christian, MS; Mississippi Sound; Gulf of Mexico

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Bay of St. Louis

Station Name: Bay Waveland Yacht Club
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -0.5 feet / -0.2 meters

Nearest Address:
1 Yacht Club Drive
Bay St. Louis, MS 39520
Hancock County

GPS Coordinates: 30.325000, -89.325000

Nearby Water Temperatures

Mississippi Sound, Pass Christian, MS (7.7 mi)
Mississippi Sound, Waveland, MS (10.9 mi)
Mississippi Sound, Biloxi, MS (21.0 mi)
Biloxy Bay, Biloxi, MS (28.2 mi)
Lake Borgne, Shell Beach, LA (37.8 mi)
Mississippi Sound, Pascagoula, MS (44.2 mi)
Pascagoula River, Pascagoula, MS (45.5 mi)
Cypress Creek, Brooklyn, MS (51.7 mi)
Mississippi River, New Orleans, LA (55.5 mi)
Leaf River, New Augusta, MS (64.0 mi)
Gulf of Mexico, Dauphin Island, AL (74.8 mi)
Bayou Gauche, Bayou Gauche, LA (75.3 mi)
Mobile Bay, Mobile, AL (78.7 mi)
Mississippi River, Pilottown, LA (79.3 mi)
Mobile River, Mobile, AL (80.9 mi)

Weather for Bay St. Louis, Mississippi

Current Weather

90.1°F
Moderate or heavy rain with thunder
Conditions: Moderate or heavy rain with thunder
Humidity: 59%
Feels Like: 100.3°F
Wind: SSW 4.3 mph
Wind Gusts: 5.8 mph
Pressure: 29.9 in
Precipitation: 0.06 in
Cloud Cover: 75%
Visibility: 6 mi
UV Index: 2.8

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 95°F
L: 75°F
Moderate rain
Sat
H: 89°F
L: 80°F
Moderate rain
Sun
H: 89°F
L: 78°F
Patchy rain nearby
Mon
H: 95°F
L: 77°F
Moderate rain
Tue
H: 86°F
L: 75°F

Air Quality

AQI: 2 - Moderate
PM2.5: 30.71 μg/m3
PM10: 31.08 μg/m3
Carbon Monoxide: 419.95 μg/m3
Nitrogen Dioxide: 18.13 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:00 PM
Sunset: 7:31 PM
Daylight: 13 hrs 2 mins
Moonrise: 5:44 AM
Moon Transit: 12:38 AM
Moonset: 7:25 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

6:55 PM - 8:25 PM
5:14 AM - 6:44 AM

Action Rating: 4 out of 5

Special Weather Statement issued August 22 at 12:35PM CDT by NWS New Orleans LA

Effective: Fri August 22, 2025, 12:35 PM
Expires: Fri August 22, 2025, 2:00 PM

At 1234 PM CDT, Doppler radar was tracking a strong thunderstorm near Slidell. This thunderstorm was nearly stationary. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Slidell, Pearl River, Pearlington, Stennis Space Center, and Slidell Airport. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 261 and 273. Interstate 10 in Mississippi between mile markers 1 and 6. Interstate 12 between mile markers 81 and 84. Interstate 59 in Louisiana between mile markers 1 and 10.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Special Weather Statement issued August 22 at 1:25PM CDT by NWS New Orleans LA

Effective: Fri August 22, 2025, 1:25 PM
Expires: Fri August 22, 2025, 2:30 PM

At 125 PM CDT, Doppler radar was tracking a strong thunderstorm near Long Beach, moving east at 10 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Gulfport, Long Beach, Lyman, and Gulfport Airport. This includes Interstate 10 in Mississippi between mile markers 22 and 37.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Special Weather Statement issued August 22 at 12:37PM CDT by NWS New Orleans LA

Effective: Fri August 22, 2025, 12:37 PM
Expires: Fri August 22, 2025, 2:00 PM

At 1237 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms over Gretna, or over Harvey. These storms were nearly stationary. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... New Orleans, Chalmette, Marrero, Harvey, East New Orleans, Timberlane, Belle Chasse, Metairie, Jefferson, Gretna, Westwego, Woodmere, Violet, Terrytown, Meraux, Poydras, Estelle, Arabi, and Lakefront Airport. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 231 and 255. Interstate 510 between mile markers 1 and 3. Interstate 610 between mile markers 1 and 4.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


Flood Advisory issued August 22 at 12:32PM CDT until August 22 at 3:30PM CDT by NWS New Orleans LA

Effective: Fri August 22, 2025, 12:32 PM
Expires: Fri August 22, 2025, 3:30 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Jefferson, Orleans, Plaquemines and St. Bernard. * WHEN...Until 330 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 1229 PM CDT, trained weather spotters reported heavy rain causing urban and small stream flooding in Belle Chasse due to thunderstorms. Between 1 and 3 inches of rain have fallen. - Belle Chasse and the Westbank are the most likely places to experience minor flooding. Additional rainfall amounts up to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... New Orleans, Timberlane, Harvey, Chalmette, Belle Chasse, Marrero, Avondale, Gretna, Westwego, Terrytown, Arabi, Woodmere, Meraux, Estelle and Bridge City. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Special Weather Statement issued August 22 at 1:01PM CDT by NWS New Orleans LA

Effective: Fri August 22, 2025, 1:01 PM
Expires: Fri August 22, 2025, 2:30 PM

At 101 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms near Abita Springs, or 10 miles east of Covington. These storms were nearly stationary. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Slidell, Covington, Abita Springs, Lacombe, and Slidell Airport. This includes Interstate 12 between mile markers 62 and 80.

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. These storms may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.


Friday, August 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.4°F
Average Humidity: 75%
Chance of Rain: 62%
Wind: 5.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 26.64 μg/m3
PM10: 27.03 μg/m3
Carbon Monoxide: 454.06 μg/m3
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 104.92 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:00 PM
Sunset: 7:31 PM
Daylight: 13 hrs 2 mins
Moonrise: 5:44 AM
Moon Transit: 12:38 AM
Moonset: 7:25 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

6:55 PM - 8:25 PM
5:14 AM - 6:44 AM

Action Rating: 4 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 84.4°F
Average Humidity: 73%
Chance of Rain: 84%
Wind: 6.9 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 29.56 μg/m3
PM10: 30.01 μg/m3
Carbon Monoxide: 411.14 μg/m3
Nitrogen Dioxide: 12.57 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 96.08 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:00 PM
Sunset: 7:30 PM
Daylight: 13 hrs mins
Moonrise: 6:46 AM
Moon Transit: 1:24 PM
Moonset: 7:55 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 AM
12:54 AM - 3:24 PM

Minor Periods

7:25 PM - 8:55 PM
6:16 AM - 7:46 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 82.7°F
Average Humidity: 75%
Chance of Rain: 83%
Wind: 14.1 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 38.49 μg/m3
PM10: 39.3 μg/m3
Carbon Monoxide: 398.79 μg/m3
Nitrogen Dioxide: 10.23 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 102.24 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:00 PM
Sunset: 7:29 PM
Daylight: 12 hrs 59 mins
Moonrise: 7:45 AM
Moon Transit: 2:07 PM
Moonset: 8:23 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
1:37 PM - 4:07 PM

Minor Periods

7:53 PM - 9:23 PM
7:15 AM - 8:45 AM

Action Rating: 4 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 83.6°F
Average Humidity: 72%
Chance of Rain: 85%
Wind: 10.7 mph
UV Index: 2.4

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 42.42 μg/m3
PM10: 43.38 μg/m3
Carbon Monoxide: 421.36 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 4.76 μg/m3
Ozone: 126.96 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:00 PM
Sunset: 7:28 PM
Daylight: 12 hrs 57 mins
Moonrise: 8:41 AM
Moon Transit: 2:48 PM
Moonset: 8:49 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
2:18 PM - 4:48 PM

Minor Periods

8:19 PM - 9:49 PM
8:11 AM - 9:41 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.9°F
Average Humidity: 73%
Chance of Rain: 75%
Wind: 9.6 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 32.35 μg/m3
PM10: 33.03 μg/m3
Carbon Monoxide: 501.35 μg/m3
Nitrogen Dioxide: 10.49 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 104.23 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:00 PM
Sunset: 7:26 PM
Daylight: 12 hrs 55 mins
Moonrise: 9:36 AM
Moon Transit: 3:29 PM
Moonset: 9:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
2:59 PM - 5:29 PM

Minor Periods

8:45 PM - 10:15 PM
9:06 AM - 10:36 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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