Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Monday, May 25, 2026, 11:24 AM CDT
Today's Tides
Low: May 25, 3:01 AM, 0.8 ft
High: May 25, 11:37 AM, 1.4 ft
Low: May 25, 9:11 PM, 0.7 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: 82°F
L: 74°F

Tue
H: 81°F
L: 75°F

Wed
H: 83°F
L: 75°F

Thu
H: 83°F
L: 74°F

Fri
H: 77°F
L: 74°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 58 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:51 PM
Daylight: 13 hrs 53 mins
Moon Transit: 9:00 PM
Moonset: 2:28 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
8:15 AM - 10:45 AM8:30 PM - 11:00 PM
Minor Periods
2:29 PM - 3:59 PM1:58 AM - 3:28 AM
Action Rating: 2 out of 5
Flood Watch issued May 25 at 12:02AM CDT until May 25 at 7:00PM CDT by NWS New Orleans LA
Effective: Mon May 25, 2026, 12:02 AM
Expires: Mon May 25, 2026, 7:00 PM
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Jefferson, Central Plaquemines, Central St. Charles, Central Tangipahoa, Coastal Jefferson, East Baton Rouge, Eastern Ascension, Eastern Orleans, Iberville, Lower Lafourche, Lower Plaquemines, Lower St. Bernard, Lower St. Charles, Lower Tangipahoa, Lower Terrebonne, Northern Livingston, Northern St. Tammany, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Upper Terrebonne, Washington, West Baton Rouge, Western Ascension 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
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Flood Warning issued May 24 at 7:55PM CDT until May 26 at 7:00PM CDT by NWS New Orleans LA
Effective: Sun May 24, 2026, 7:55 PM
Expires: Mon May 25, 2026, 12:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...From late Monday night to Tuesday evening. * 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 Sunday the stage was 13.3 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 14.0 feet early Tuesday morning. The river is expected to fall below flood stage early Tuesday afternoon. - 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 Monday afternoon at noon CDT.
Flood Advisory issued May 25 at 6:33AM CDT until May 25 at 9:45AM CDT by NWS New Orleans LA
Effective: Mon May 25, 2026, 6:33 AM
Expires: Mon May 25, 2026, 9:45 AM
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southern Mississippi, including the following counties, Hancock, Harrison and Pearl River. * WHEN...Until 945 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 633 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts of 2 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Diamondhead, Kiln, Mcneil, Saucier and Lyman. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Flood Warning issued May 24 at 7:57PM CDT until May 26 at 11:00PM CDT by NWS New Orleans LA
Effective: Sun May 24, 2026, 7:57 PM
Expires: Mon May 25, 2026, 12:00 PM
...The Flood Warning continues for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. For the Wolf River...including Landon, Gulfport...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...Until late Tuesday evening. * IMPACTS...At 9.0 feet, Bells Ferry Road will be impassable with deep water on the east bridge approach. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 8.9 feet. - Bankfull stage is 7.0 feet. - Forecast...The river is expected to fall below flood stage Tuesday afternoon and continue falling to 3.8 feet Friday evening. - 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 Monday afternoon at noon CDT.
Flood Warning issued May 24 at 7:56PM CDT until May 27 at 4:00PM CDT by NWS New Orleans LA
Effective: Sun May 24, 2026, 7:56 PM
Expires: Mon May 25, 2026, 12:00 PM
...The Flood Warning is extended 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...Until Wednesday afternoon. * IMPACTS...At 14.0 feet, At 14 feet homes on lower Fisherman Trail will begin to flood and lower River Road will be impassable. Driving on Loraine Road will be hazardous due to the high water. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 12.5 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning and continue rising to a crest of 14.0 feet early Tuesday morning. The river is expected to fall below flood stage late Wednesday morning. - 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 Monday afternoon at noon CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 52.04 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:51 PM
Daylight: 13 hrs 53 mins
Moon Transit: 9:00 PM
Moonset: 2:28 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
8:15 AM - 10:45 AM8:30 PM - 11:00 PM
Minor Periods
2:29 PM - 3:59 PM1:58 AM - 3:28 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 57.56 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: 1.93 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 62.92 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: 2.51 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 55.28 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: 6 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 44.31 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
