Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Monday, February 23, 2026, 2:54 AM CST
Today's Tides
Low: February 23, 2:35 AM, -0.3 ft
High: February 23, 3:15 PM, 1.6 ft
Temperature Locations
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Local Points of Interest
Pass Christian, MS; Mississippi Sound; Gulf of MexicoStation 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

Five Day Weather Forecast

Mon
H: 58°F
L: 41°F

Tue
H: 59°F
L: 36°F

Wed
H: 69°F
L: 53°F

Thu
H: 72°F
L: 57°F

Fri
H: 65°F
L: 47°F
Air Quality
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 74 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:52 PM
Daylight: 11 hrs 22 mins
Moon Transit: 5:20 PM
Moonset: 12:33 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
4:27 AM - 6:57 AM4:50 PM - 7:20 PM
Minor Periods
9:35 AM - 11:05 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Red Flag Warning issued February 22 at 11:43AM CST until February 23 at 6:00PM CST by NWS New Orleans LA
Effective: Sun February 22, 2026, 11:43 AM
Expires: Mon February 23, 2026, 1:45 AM
...CRITICAL FIRE WEATHER CONDITIONS TODAY AND AGAIN MONDAY... ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM CST MONDAY FOR CRITICAL FIRE CONDITIONS FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI... * AFFECTED AREA...Pointe Coupee, West Feliciana, East Feliciana, St. Helena, Washington, Iberville, West Baton Rouge, East Baton Rouge, Assumption, St. James, St. John The Baptist, Upper Lafourche, St. Charles, Upper St. Bernard, Upper Terrebonne, Lower Terrebonne, Lower Lafourche, Coastal Jefferson Parish, Wilkinson, Lower Plaquemines, Amite, Lower St. Bernard, Pike, Northern Tangipahoa, Walthall, Southeast St. Tammany, Western Orleans, Pearl River, Eastern Orleans, Northern St. Tammany, Southwestern St. Tammany, Hancock, Central Tangipahoa, Harrison, Lower Tangipahoa, Jackson, Northern Livingston, Southern Livingston, Western Ascension, Eastern Ascension, Upper Jefferson, Lower Jefferson, Upper Plaquemines and Central Plaquemines. * WINDS...North 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued February 22 at 11:21AM CST until February 23 at 6:00PM CST by NWS Mobile AL
Effective: Sun February 22, 2026, 11:21 AM
Expires: Mon February 23, 2026, 1:30 AM
...RED FLAG WARNING REMAINS IN EFFECT FOR TODAY FOR SOUTHEAST MISSISSIPPI DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY... ...RED FLAG WARNING NOW IN EFFECT FOR MONDAY FOR SOUTHEAST MISSISSIPPI DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY... The National Weather Service in Mobile has issued a Red Flag Warning, which is in effect from 9 AM to 6 PM CST Monday. * AFFECTED AREA...Fire Weather Zones 067, 075, 076, 078 and 079. * WINDS...Northwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 18 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Dense Smoke Advisory issued February 22 at 5:04PM CST until February 23 at 1:00AM CST by NWS New Orleans LA
Effective: Sun February 22, 2026, 5:04 PM
Expires: Mon February 23, 2026, 1:00 AM
* WHAT...Visibility of 1/4 mile or less in dense smoke at Interstate 12 near the Lacombe exit. * WHERE...Interstate 12 near the Lacombe exit * WHEN...Until 1 AM CST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Use Extreme Caution. Use alternate routes/detours as directed.
If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.53 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 84.52 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:52 PM
Daylight: 11 hrs 22 mins
Moon Transit: 5:20 PM
Moonset: 12:33 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%
Best Times for Fishing or Hunting
Major Periods
4:27 AM - 6:57 AM4:50 PM - 7:20 PM
Minor Periods
9:35 AM - 11:05 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.42 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 77.44 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:53 PM
Daylight: 11 hrs 24 mins
Moon Transit: 6:20 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%
Best Times for Fishing or Hunting
Major Periods
5:25 AM - 7:55 AM5:50 PM - 8:20 PM
Minor Periods
10:24 AM - 11:54 AM12:13 AM - 1:43 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.64 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 98.64 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:53 PM
Daylight: 11 hrs 25 mins
Moon Transit: 7:23 PM
Moonset: 1:51 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%
Best Times for Fishing or Hunting
Major Periods
6:27 AM - 8:57 AM6:53 PM - 9:23 PM
Minor Periods
11:21 AM - 12:51 AM1:21 AM - 2:51 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 97.48 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:54 PM
Daylight: 11 hrs 27 mins
Moon Transit: 8:25 PM
Moonset: 2:55 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%
Best Times for Fishing or Hunting
Major Periods
7:30 AM - 10:00 AM7:55 PM - 10:25 PM
Minor Periods
12:26 AM - 1:56 PM2:25 AM - 3:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 1.76 μg/m3
Ozone: 78.92 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 5:55 PM
Daylight: 11 hrs 29 mins
Moon Transit: 9:25 PM
Moonset: 3:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
8:31 AM - 11:01 AM8:55 PM - 11:25 PM
Minor Periods
1:35 PM - 3:05 PM3:21 AM - 4:51 AM
Action Rating: 2 out of 5
