Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Tuesday, May 26, 2026, 12:18 PM CDT
Today's Tides
High: May 26, 10:12 AM, 1.5 ft
Low: May 26, 8:31 PM, 0.5 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

Tue
H: 86°F
L: 75°F

Wed
H: 83°F
L: 76°F

Thu
H: 82°F
L: 75°F

Fri
H: 79°F
L: 73°F

Sat
H: 83°F
L: 72°F
Air Quality
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 69 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:51 PM
Daylight: 13 hrs 54 mins
Moon Transit: 9:42 PM
Moonset: 2:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
8:56 AM - 11:26 AM9:12 PM - 11:42 PM
Minor Periods
3:25 PM - 4:55 PM2:25 AM - 3:55 AM
Action Rating: 2 out of 5
Flood Warning issued May 25 at 7:28PM CDT until May 29 at 7:00AM CDT by NWS New Orleans LA
Effective: Mon May 25, 2026, 7:28 PM
Expires: Tue May 26, 2026, 11:30 AM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River and Hancock Counties and St. Tammany Parish. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Friday morning. * 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 Monday the stage was 14.3 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 14.5 feet tomorrow morning. The river is expected to fall below flood stage early Friday morning. - 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 Tuesday morning at 1130 AM CDT.
Flood Watch issued May 25 at 6:52PM CDT until May 26 at 7:00PM CDT by NWS New Orleans LA
Effective: Mon May 25, 2026, 6:52 PM
Expires: Tue May 26, 2026, 9:00 AM
The Flash Flood Watch is cancelled for portions of southeast Louisiana, including the following parishes, Central Jefferson, Central Plaquemines, Central St. Charles, Coastal Jefferson, Eastern Orleans, Lower Plaquemines, Lower St. Bernard, Lower St. Charles, Northern St. Tammany, Southeast St. Tammany, Southwestern St. Tammany, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Washington and Western Orleans and southern Mississippi, including the following areas, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Southern Hancock, Southern Harrison and Southern Jackson. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures.
Flood Watch issued May 26 at 2:03AM CDT until May 26 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue May 26, 2026, 2:03 AM
Expires: Tue May 26, 2026, 7:00 PM
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Central Jefferson, Central Plaquemines, Central St. Charles, Coastal Jefferson, Eastern Orleans, Lower Plaquemines, Lower St. Bernard, Lower St. Charles, Northern St. Tammany, Southeast St. Tammany, Southwestern St. Tammany, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Washington and Western Orleans and southern Mississippi, including the following areas, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Southern Hancock, Southern Harrison and Southern Jackson. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Flood Warning issued May 26 at 4:19AM CDT until May 26 at 7:05PM CDT by NWS New Orleans LA
Effective: Tue May 26, 2026, 4:19 AM
Expires: Tue May 26, 2026, 7:15 PM
...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Mississippi... Jourdan River Near Kiln/Bay St. Louis affecting Hancock County. For the Jourdan River...including Kiln/Bay St. Louis...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Jourdan River near Kiln/Bay St. Louis. * WHEN...From early this morning to this evening. * IMPACTS...At 6.0 feet, Water will cover most of the Jourdan River Steamer restaurant property and residential property on the south bank. * ADDITIONAL DETAILS... - At 3:45 AM CDT Tuesday the stage was 6.7 feet. - Bankfull stage is 4.0 feet. - Forecast...The river is expected to rise to a crest of 6.8 feet this morning. It will then fall below flood stage this afternoon. - Flood stage is 6.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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 this evening at 715 PM CDT.
Flood Warning issued May 25 at 7:37PM CDT until May 27 at 8:00PM CDT by NWS New Orleans LA
Effective: Mon May 25, 2026, 7:37 PM
Expires: Tue May 26, 2026, 11:45 AM
...The Flood Warning continues for the following rivers in Mississippi... Tchoutacabouffa River Above D'Iberville affecting Harrison County. For the Tchoutacabouffa River...including D'Iberville...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Tchoutacabouffa River above D'Iberville. * WHEN...From late Tuesday night to Wednesday evening. * IMPACTS...At 8.0 feet, Roads along the river will be impassable. A few homes will be isolated. * ADDITIONAL DETAILS... - At 6:30 PM CDT Monday the stage was 3.1 feet. - Bankfull stage is 7.0 feet. - Forecast...The river is expected to rise above flood stage early Wednesday morning and continue rising to a crest of 8.5 feet Wednesday morning. The river is expected to fall below flood stage early Wednesday afternoon. - Flood stage is 8.0 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 Tuesday morning at 1145 AM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.36 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 58.64 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:51 PM
Daylight: 13 hrs 54 mins
Moon Transit: 9:42 PM
Moonset: 2:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
8:56 AM - 11:26 AM9:12 PM - 11:42 PM
Minor Periods
3:25 PM - 4:55 PM2:25 AM - 3:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 62.84 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:52 PM
Daylight: 13 hrs 55 mins
Moon Transit: 10:24 PM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
9:38 AM - 12:08 AM12:00 AM - 12:00 AM
Minor Periods
4:21 PM - 5:51 PM2:53 AM - 4:23 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 54.12 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:52 PM
Daylight: 13 hrs 55 mins
Moon Transit: 11:09 PM
Moonset: 3:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
10:22 AM - 12:52 AM12:00 AM - 12:00 AM
Minor Periods
5:18 PM - 6:48 PM3:23 AM - 4:53 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 54 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:53 PM
Daylight: 13 hrs 56 mins
Moon Transit: 11:56 PM
Moonset: 4:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
11:08 AM - 1:38 PM12:00 AM - 12:00 AM
Minor Periods
6:16 PM - 7:46 PM3:56 AM - 5:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 45.69 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:54 PM
Daylight: 13 hrs 57 mins
Moon Transit: 12:00 AM
Moonset: 5:03 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:56 AM - 2:26 PM
Minor Periods
7:13 PM - 8:43 PM4:33 AM - 6:03 AM
Action Rating: 4 out of 5
