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

Current Water Temperature

79.3°F

Measurement Time: Sunday, May 17, 2026, 1:30 PM CDT

Today's Tides

 High: May 17, 12:00 PM, 2.5 ft
Low: May 17, 10:46 PM, -0.4 ft

Temperature Locations

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Local Points of Interest

Pass Christian, MS; Mississippi Sound; Gulf of Mexico

Bay of St. Louis

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

Elevation Above Sea Level: 0 feet

Sensor Depth: -1 feet

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 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 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

80.6°F
Partly cloudy
Partly cloudy
87°F
89.9°F
70%
SE 11.9 mph
13.6 mph
81.9°F
76.6°F
0 in
75%
9 mi
1018 mbar
10.2

Five Day Weather Forecast

Sunny
Sun
H: 83°F
L: 76°F
Patchy rain nearby
Mon
H: 82°F
L: 75°F
Patchy rain nearby
Tue
H: 82°F
L: 75°F
Sunny
Wed
H: 82°F
L: 74°F
Sunny
Thu
H: 82°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 11.05 μg/m3
PM10: 16.15 μg/m3
Carbon Monoxide: 132.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:53 AM
Sunset: 7:46 PM
Daylight: 13 hrs 44 mins
Moonrise: 6:22 AM
Moon Transit: 1:47 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
1:17 PM - 3:47 PM

Minor Periods

8:47 PM - 10:17 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Flood Warning issued May 16 at 8:08PM CDT until May 17 at 5:00PM CDT by NWS New Orleans LA

Effective: Sat May 16, 2026, 8:08 PM
Expires: Sun May 17, 2026, 12:15 PM

...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until tomorrow afternoon. * IMPACTS...At 14.0 feet, Secondary roads to the river and throughout Honey Island Swamp are inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. * ADDITIONAL DETAILS... - At 7:00 PM CDT Saturday the stage was 14.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 10.2 feet Tuesday, May 26. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued Sunday afternoon at 1215 PM CDT.
Sunday, May 17, 2026

Weather Forecast

Sunny
82.6°F
75.6°F
78°F
80%
0 in
0%
0%
11.9 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 9.07 μg/m3
PM10: 12.9 μg/m3
Carbon Monoxide: 132.65 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 93.36 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:53 AM
Sunset: 7:46 PM
Daylight: 13 hrs 44 mins
Moonrise: 6:22 AM
Moon Transit: 1:47 PM
Moonset: 9:17 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
1:17 PM - 3:47 PM

Minor Periods

8:47 PM - 10:17 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
81.5°F
74.7°F
77.8°F
83%
0.05 in
89%
0%
14.1 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 6.99 μg/m3
PM10: 9.77 μg/m3
Carbon Monoxide: 128.49 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 77.96 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:53 AM
Sunset: 7:46 PM
Daylight: 13 hrs 45 mins
Moonrise: 7:22 AM
Moon Transit: 2:54 PM
Moonset: 10:26 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
2:24 PM - 4:54 PM

Minor Periods

9:56 PM - 11:26 PM
6:52 AM - 8:22 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
81.9°F
74.9°F
77.9°F
82%
0.01 in
83%
0%
13.2 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 124.41 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 69.96 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:53 AM
Sunset: 7:47 PM
Daylight: 13 hrs 46 mins
Moonrise: 8:31 AM
Moon Transit: 4:00 PM
Moonset: 11:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
3:30 PM - 6:00 PM

Minor Periods

12:00 AM - 12:00 AM
8:01 AM - 9:31 AM

Action Rating: 3 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
82.1°F
73.6°F
77.5°F
78%
0 in
0%
0%
9.2 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 6.5 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 113.95 μg/m3
Nitrogen Dioxide: 2.23 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 60.6 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:53 AM
Sunset: 7:48 PM
Daylight: 13 hrs 47 mins
Moonrise: 9:42 AM
Moon Transit: 5:02 PM
Moonset: 12:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
4:32 PM - 7:02 PM

Minor Periods

9:12 AM - 10:42 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
81.6°F
72.7°F
77.5°F
80%
0 in
0%
0%
10.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 119.66 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 44.08 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:53 AM
Sunset: 7:48 PM
Daylight: 13 hrs 48 mins
Moonrise: 10:53 AM
Moon Transit: 5:58 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
5:28 PM - 7:58 PM

Minor Periods

10:23 AM - 11:53 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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