Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Friday, March 27, 2026, 7:30 PM CDT
Today's Tides
Low: March 27, 6:39 AM, -0.4 ft
High: March 27, 6:55 PM, 1.8 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

Fri
H: 77°F
L: 67°F

Sat
H: 72°F
L: 61°F

Sun
H: 66°F
L: 61°F

Mon
H: 73°F
L: 66°F

Tue
H: 76°F
L: 69°F
Air Quality
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 67 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:13 PM
Daylight: 12 hrs 20 mins
Moon Transit: 9:15 PM
Moonset: 3:36 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
8:23 AM - 10:53 AM8:45 PM - 11:15 PM
Minor Periods
1:34 PM - 3:04 PM3:06 AM - 4:36 AM
Action Rating: 2 out of 5
Fire Weather Watch issued March 27 at 1:24AM CDT until March 28 at 7:00PM CDT by NWS New Orleans LA
Effective: Fri March 27, 2026, 1:24 AM
Expires: Fri March 27, 2026, 3:30 PM
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE SATURDAY... * AFFECTED AREA...Pointe Coupee, West Feliciana, East Feliciana, St. Helena, Washington, Iberville, West Baton Rouge, East Baton Rouge, Wilkinson, Amite, Pike, Northern Tangipahoa, Walthall, Southeast St. Tammany, Pearl River, Northern St. Tammany, Southwestern St. Tammany, Hancock, Central Tangipahoa, Harrison, Lower Tangipahoa, Jackson, Northern Livingston, Southern Livingston, Western Ascension and Eastern Ascension. * WINDS...Northeast 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Red Flag Warning issued March 27 at 11:07AM CDT until March 28 at 7:00PM CDT by NWS New Orleans LA
Effective: Fri March 27, 2026, 11:07 AM
Expires: Sat March 28, 2026, 1:15 AM
...CRITICAL FIRE WEATHER CONDITIONS SATURDAY... The National Weather Service in New Orleans has issued a Red Flag Warning for crtical fire conditions due to a combination of strong northerly winds and low humidity, which is in effect from 11 AM to 7 PM CDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Pointe Coupee, West Feliciana, East Feliciana, St. Helena, Washington, Iberville, West Baton Rouge, East Baton Rouge, Wilkinson, Amite, Pike, Northern Tangipahoa, Walthall, Southeast St. Tammany, Pearl River, Northern St. Tammany, Southwestern St. Tammany, Hancock, Central Tangipahoa, Harrison, Lower Tangipahoa, Jackson, Northern Livingston, Southern Livingston, Western Ascension and Eastern Ascension. * WINDS...Northeast 15 to 20 mph with gusts up to 30 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.
Fire Weather Watch issued March 27 at 1:18AM CDT until March 28 at 7:00PM CDT by NWS Mobile AL
Effective: Fri March 27, 2026, 1:18 AM
Expires: Fri March 27, 2026, 3:30 PM
...ENHANCED FIRE DANGER EXPECTED ON SATURDAY... The National Weather Service in Mobile has issued a Fire Weather Watch, which is in effect from Saturday morning through Saturday evening. * AFFECTED AREA...Fire Weather Zones 051, 052, 053, 054, 055, 056, 057, 058, 059, 060, 067, 075, 076, 078, 079, 201, 202, 203, 204, 205, 206, 261, 262, 263, 264, 265 and 266. * WINDS...Northeast 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Red Flag Warning issued March 27 at 11:30AM CDT until March 28 at 7:00PM CDT by NWS Mobile AL
Effective: Fri March 27, 2026, 11:30 AM
Expires: Sat March 28, 2026, 2:00 AM
...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE SATURDAY... The National Weather Service in Mobile has issued a Red Flag Warning, which is in effect from 11 AM to 7 PM CDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 051, 052, 053, 054, 055, 056, 057, 058, 059, 060, 067, 075, 076, 078, 079, 201, 202, 203, 204, 205, 206, 261, 262, 263, 264, 265 and 266. * WINDS...Northeast 10 to 15 mph with gusts up to 30 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.06 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 91.52 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:13 PM
Daylight: 12 hrs 20 mins
Moon Transit: 9:15 PM
Moonset: 3:36 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
8:23 AM - 10:53 AM8:45 PM - 11:15 PM
Minor Periods
1:34 PM - 3:04 PM3:06 AM - 4:36 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 2.97 μg/m3
Ozone: 91 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:14 PM
Daylight: 12 hrs 22 mins
Moon Transit: 10:06 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%
Best Times for Fishing or Hunting
Major Periods
9:16 AM - 11:46 AM12:00 AM - 12:00 AM
Minor Periods
2:40 PM - 4:10 PM3:48 AM - 5:18 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.73 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 107.28 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:14 PM
Daylight: 12 hrs 24 mins
Moon Transit: 10:53 PM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%
Best Times for Fishing or Hunting
Major Periods
10:05 AM - 12:35 AM12:00 AM - 12:00 AM
Minor Periods
3:44 PM - 5:14 PM4:24 AM - 5:54 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 110.28 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:15 PM
Daylight: 12 hrs 26 mins
Moon Transit: 11:37 PM
Moonset: 5:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%
Best Times for Fishing or Hunting
Major Periods
10:51 AM - 1:21 PM12:00 AM - 12:00 AM
Minor Periods
4:44 PM - 6:14 PM4:55 AM - 6:25 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 94.77 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:15 PM
Daylight: 12 hrs 28 mins
Moon Transit: 12:00 AM
Moonset: 5:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:34 AM - 2:04 PM
Minor Periods
5:43 PM - 7:13 PM5:24 AM - 6:54 AM
Action Rating: 4 out of 5
