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

Current Water Temperature

58.8°F

Measurement Time: Sunday, December 21, 2025, 3:30 PM CST

Today's Tides

Low: December 21, 10:03 AM, -0.75 ft
 High: December 21, 11:54 PM, 1.61 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

79.2°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 70%
Feels Like: 86.6°F
Wind: SE 5.6 mph
Wind Gusts: 9.6 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.8

Five Day Weather Forecast

Mist
Sun
H: 66°F
L: 58°F
Mist
Mon
H: 65°F
L: 61°F
Partly Cloudy
Tue
H: 66°F
L: 60°F
Sunny
Wed
H: 66°F
L: 58°F
Mist
Thu
H: 66°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 15.25 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 8.35 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 11:55 AM
Sunset: 5:01 PM
Daylight: 10 hrs 11 mins
Moonrise: 8:20 AM
Moon Transit: 1:21 PM
Moonset: 6:27 PM
Moon Phase: New
Moon Illumination: 1.5%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
12:51 AM - 3:21 PM

Minor Periods

5:57 PM - 7:27 PM
7:50 AM - 9:20 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued December 21 at 9:39AM CST until December 22 at 10:00AM CST by NWS New Orleans LA

Effective: Sun December 21, 2025, 9:39 AM
Expires: Mon December 22, 2025, 12:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From midnight tonight to 10 AM CST Monday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued December 21 at 9:39AM CST until December 22 at 10:00AM CST by NWS New Orleans LA

Effective: Sun December 21, 2025, 9:39 AM
Expires: Mon December 22, 2025, 12:00 AM

* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...A portion of southeast Louisiana. * WHEN...From midnight tonight to 10 AM CST Monday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Sunday, December 21, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 59.9°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 7.97 μg/m3
PM10: 10.31 μg/m3
Carbon Monoxide: 157.21 μg/m3
Nitrogen Dioxide: 5.48 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 69.76 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 11:55 AM
Sunset: 5:01 PM
Daylight: 10 hrs 11 mins
Moonrise: 8:20 AM
Moon Transit: 1:21 PM
Moonset: 6:27 PM
Moon Phase: New
Moon Illumination: 1.5%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
12:51 AM - 3:21 PM

Minor Periods

5:57 PM - 7:27 PM
7:50 AM - 9:20 AM

Action Rating: 3 out of 5

Monday, December 22, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 62.4°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 11.22 μg/m3
Carbon Monoxide: 165.25 μg/m3
Nitrogen Dioxide: 5.41 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 74.4 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 11:56 AM
Sunset: 5:02 PM
Daylight: 10 hrs 11 mins
Moonrise: 9:01 AM
Moon Transit: 2:11 PM
Moonset: 7:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.5%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
1:41 PM - 4:11 PM

Minor Periods

6:57 PM - 8:27 PM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Tuesday, December 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 62.3°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 10.26 μg/m3
PM10: 13.06 μg/m3
Carbon Monoxide: 174.21 μg/m3
Nitrogen Dioxide: 5.49 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 77.72 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 11:56 AM
Sunset: 5:02 PM
Daylight: 10 hrs 11 mins
Moonrise: 9:38 AM
Moon Transit: 3:00 PM
Moonset: 8:28 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
2:30 PM - 5:00 PM

Minor Periods

7:58 PM - 9:28 PM
9:08 AM - 10:38 AM

Action Rating: 3 out of 5

Wednesday, December 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.3°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 11.97 μg/m3
PM10: 15.28 μg/m3
Carbon Monoxide: 181.58 μg/m3
Nitrogen Dioxide: 6.98 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 60.48 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 11:57 AM
Sunset: 5:03 PM
Daylight: 10 hrs 11 mins
Moonrise: 10:11 AM
Moon Transit: 3:45 PM
Moonset: 9:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

2:58 AM - 5:28 AM
3:15 PM - 5:45 PM

Minor Periods

8:57 PM - 10:27 PM
9:41 AM - 11:11 AM

Action Rating: 2 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 60.8°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.57 μg/m3
PM10: 14.78 μg/m3
Carbon Monoxide: 180.9 μg/m3
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 60.85 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 11:57 AM
Sunset: 5:03 PM
Daylight: 10 hrs 12 mins
Moonrise: 10:41 AM
Moon Transit: 4:30 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
4:00 PM - 6:30 PM

Minor Periods

9:57 PM - 11:27 PM
10:11 AM - 11:41 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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