Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Sunday, May 31, 2026, 7:12 PM CDT
Today's Tides
High: May 31, 11:47 AM, 2.2 ft
Low: May 31, 10:19 PM, -0.1 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

Sun
H: 88°F
L: 78°F

Mon
H: 89°F
L: 74°F

Tue
H: 91°F
L: 75°F

Wed
H: 83°F
L: 68°F

Thu
H: 80°F
L: 74°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 61 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:54 PM
Daylight: 13 hrs 58 mins
Moon Transit: 12:45 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:15 AM - 2:45 AM12:46 AM - 3:16 PM
Minor Periods
8:09 PM - 9:39 PM5:16 AM - 6:46 AM
Action Rating: 4 out of 5
Flood Warning issued May 31 at 8:14AM CDT until June 1 at 4:00PM CDT by NWS New Orleans LA
Effective: Sun May 31, 2026, 8:14 AM
Expires: Mon June 1, 2026, 12:15 AM
...The Flood Warning continues for the following rivers in Mississippi...Louisiana... 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 tomorrow afternoon. * 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 AM CDT Sunday the stage was 14.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 10.2 feet Wednesday, June 10. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Be especially cautious at night when it is harder to recognize the dangers of flooding. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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 late tonight at 1215 AM CDT.
Flood Warning issued May 31 at 10:42AM CDT until May 31 at 7:00PM CDT by NWS Mobile AL
Effective: Sun May 31, 2026, 10:42 AM
Expires: Sun May 31, 2026, 7:00 PM
...The Flood Warning continues for the following river in Mississippi... Pascagoula At Merrill affecting Jackson, George and Greene Counties. For the Pascagoula River...including Merrill...Minor flooding is forecast. Additional information is available at www.weather.gov/mob. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates occur. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pascagoula at Merrill. * WHEN...Until this evening. * IMPACTS...At 22.0 feet, Flood Stage. Water approaches homes in west Merrill. * ADDITIONAL DETAILS... - At 10:15 AM CDT Sunday the stage was 22.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Sunday was 22.7 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 13.8 feet Friday morning. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Flood Warning issued May 31 at 8:30AM CDT until June 3 at 7:00AM CDT by NWS New Orleans LA
Effective: Sun May 31, 2026, 8:30 AM
Expires: Mon June 1, 2026, 12:30 AM
...The Flood Warning is extended for the following rivers in Mississippi... Pascagoula River At Graham Ferry affecting Jackson County. For the Pascagoula River...including Graham Ferry...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pascagoula River at Graham Ferry. * WHEN...Until Wednesday morning. * IMPACTS...At 16.0 feet, River property at Cumbest Bluff will be cut off by high water and some river roads will be impassable. * ADDITIONAL DETAILS... - At 7:45 AM CDT Sunday the stage was 16.4 feet. - Bankfull stage is 15.0 feet. - Forecast...The river is expected to fall below flood stage early Wednesday morning and continue falling to 15.0 feet Friday morning. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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 late tonight at 1230 AM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 52.33 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:54 PM
Daylight: 13 hrs 58 mins
Moon Transit: 12:45 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:15 AM - 2:45 AM12:46 AM - 3:16 PM
Minor Periods
8:09 PM - 9:39 PM5:16 AM - 6:46 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 55.83 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:55 PM
Daylight: 13 hrs 59 mins
Moon Transit: 1:36 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
1:06 AM - 3:36 AM1:37 PM - 4:07 PM
Minor Periods
9:00 PM - 10:30 PM6:04 AM - 7:34 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 66.88 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:55 PM
Daylight: 14 hrs mins
Moon Transit: 2:27 AM
Moonset: 7:26 AM
Moon Phase: Full
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
1:57 AM - 4:27 AM2:30 PM - 5:00 PM
Minor Periods
9:48 PM - 11:18 PM6:56 AM - 8:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 93.33 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:56 PM
Daylight: 14 hrs mins
Moon Transit: 3:18 AM
Moonset: 8:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%
Best Times for Fishing or Hunting
Major Periods
2:48 AM - 5:18 AM3:18 PM - 5:48 PM
Minor Periods
10:29 PM - 11:59 PM7:53 AM - 9:23 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.26 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 12:55 AM
Sunset: 7:56 PM
Daylight: 14 hrs 1 mins
Moon Transit: 4:07 AM
Moonset: 9:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
3:37 AM - 6:07 AM4:06 PM - 6:36 PM
Minor Periods
12:00 AM - 12:00 AM8:50 AM - 10:20 AM
Action Rating: 3 out of 5
