Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Tuesday, May 12, 2026, 8:24 PM CDT
Today's Tides
Low: May 12, 4:11 AM, 0.8 ft
High: May 12, 12:06 PM, 1.3 ft
Low: May 12, 7:00 PM, 0.9 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: 82°F
L: 69°F

Wed
H: 81°F
L: 65°F

Thu
H: 82°F
L: 65°F

Fri
H: 79°F
L: 69°F

Sat
H: 79°F
L: 70°F
Air Quality
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 69 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:42 PM
Daylight: 13 hrs 37 mins
Moon Transit: 8:41 PM
Moonset: 3:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%
Best Times for Fishing or Hunting
Major Periods
8:11 PM - 10:41 PM8:11 PM - 10:41 PM
Minor Periods
2:55 PM - 4:25 PM2:38 AM - 4:08 AM
Action Rating: 4 out of 5
Flood Warning issued May 12 at 6:15AM CDT until May 20 at 7:00PM CDT by NWS New Orleans LA
Effective: Tue May 12, 2026, 6:15 AM
Expires: Tue May 12, 2026, 10:15 PM
...The Flood Warning is extended for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River, Hancock and St. Tammany Counties. 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 Wednesday, May 20. * IMPACTS...At 17.0 feet, When the river is falling, water on low lying property and over the lower portions of streets in River Gardens Subdivision will slowly begin to drain. * ADDITIONAL DETAILS... - At 5:00 AM CDT Tuesday the stage was 16.8 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet this afternoon. It will then fall below flood stage Wednesday, May 20. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 1015 PM CDT.
Flood Warning issued May 12 at 10:24AM CDT until May 19 at 1:00PM CDT by NWS New Orleans LA
Effective: Tue May 12, 2026, 10:24 AM
Expires: Wed May 13, 2026, 2:30 AM
...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Louisiana... Mississippi... Pearl River Near Pearl River affecting St. Tammany, Hancock and Pearl River Counties. For the Lower Pearl River...including Bogalusa, Pearl River... Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Tuesday, May 19. * IMPACTS...At 17.0 feet, Improved roads near the river will be covered with low water. Gum Bayou will back up flooding the lower portions of streets in River Garden Subdivision. Secondary roads to the river and throughout Honey Island Swamp will remain inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 16.9 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 17.2 feet late Tuesday night. - 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 late tonight at 230 AM CDT.
Flood Warning issued May 12 at 2:53PM CDT until May 13 at 11:01AM CDT by NWS New Orleans LA
Effective: Tue May 12, 2026, 2:53 PM
Expires: Wed May 13, 2026, 7:00 AM
...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. For the Biloxi River...including Wortham, Lyman...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Biloxi River near Lyman. * WHEN...From this afternoon to late tomorrow morning. * IMPACTS...At 12.0 feet, River Road near Three Rivers Road bridge will begin to flood. * ADDITIONAL DETAILS... - At 2:45 PM CDT Tuesday the stage was 12.0 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:45 PM CDT Tuesday was 12.0 feet. - Forecast...The river is expected to rise to a crest of 12.5 feet this evening. It will then fall below flood stage late tonight. - Flood stage is 12.0 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 Wednesday morning at 700 AM CDT.
Flood Warning issued May 12 at 6:15AM CDT until May 13 at 9:34PM CDT by NWS New Orleans LA
Effective: Tue May 12, 2026, 6:15 AM
Expires: Tue May 12, 2026, 10:15 PM
...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Mississippi... West Hobolochitto Creek Near McNeil affecting Pearl River County. For the West Hobolochitto Creek...including McNeil...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...West Hobolochitto Creek near McNeil. * WHEN...From this morning to late tomorrow evening. * IMPACTS...At 20.0 feet, North Beech Road and Palestine Road in Picayune will be impassable. Several homes will be flooded in vicinity of the stream. Flooding threatens structures along MS Highway 43 near the bridge and fills culverts and ditches along bridge approach. * ADDITIONAL DETAILS... - At 5:45 AM CDT Tuesday the stage was 18.3 feet. - Bankfull stage is 10.0 feet. - Forecast...The river is expected to rise to a crest of 19.0 feet this afternoon. It will then fall below flood stage tomorrow afternoon. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 1015 PM CDT.
Flood Warning issued May 12 at 10:24AM CDT until May 16 at 1:00AM CDT by NWS New Orleans LA
Effective: Tue May 12, 2026, 10:24 AM
Expires: Wed May 13, 2026, 2:30 AM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. For the Lower Pearl River...including Bogalusa, Pearl River... Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Bogalusa. * WHEN...Until early Saturday morning. * IMPACTS...At 20.0 feet, Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads. * ADDITIONAL DETAILS... - At 9:00 AM CDT Tuesday the stage was 19.5 feet. - Bankfull stage is 15.0 feet. - Forecast...The river is expected to fall below flood stage Friday evening. - Flood stage is 18.0 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 late tonight at 230 AM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 82.56 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:42 PM
Daylight: 13 hrs 37 mins
Moon Transit: 8:41 PM
Moonset: 3:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%
Best Times for Fishing or Hunting
Major Periods
8:11 PM - 10:41 PM8:11 PM - 10:41 PM
Minor Periods
2:55 PM - 4:25 PM2:38 AM - 4:08 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 79.84 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:43 PM
Daylight: 13 hrs 39 mins
Moon Transit: 12:00 AM
Moonset: 4:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
4:00 PM - 5:30 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.24 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 97.08 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:44 PM
Daylight: 13 hrs 40 mins
Moon Transit: 10:48 AM
Moonset: 5:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:18 AM - 12:48 AM
Minor Periods
5:07 PM - 6:37 PM3:40 AM - 5:10 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 120.36 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:44 PM
Daylight: 13 hrs 41 mins
Moon Transit: 11:43 AM
Moonset: 6:49 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:13 AM - 1:43 PM
Minor Periods
6:19 PM - 7:49 PM4:17 AM - 5:47 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 94.62 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:45 PM
Daylight: 13 hrs 42 mins
Moon Transit: 12:42 AM
Moonset: 8:03 PM
Moon Phase: New
Moon Illumination: 2.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:12 AM - 2:42 PM
Minor Periods
7:33 PM - 9:03 PM5:00 AM - 6:30 AM
Action Rating: 5 out of 5
