Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Monday, June 22, 2026, 6:36 AM CDT
Today's Tides
High: June 22, 9:16 AM, 1.3 ft
Low: June 22, 8:22 PM, 0.6 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: 89°F
L: 80°F

Tue
H: 90°F
L: 77°F

Wed
H: 89°F
L: 75°F

Thu
H: 87°F
L: 76°F

Fri
H: 86°F
L: 76°F
Air Quality
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 44 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 7:40 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
6:55 AM - 9:25 AM7:10 PM - 9:40 PM
Minor Periods
1:19 PM - 2:49 PM12:28 AM - 1:58 AM
Action Rating: 2 out of 5
Flood Warning issued June 21 at 7:57PM CDT until June 23 at 1:00AM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 7:57 PM
Expires: Mon June 22, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. ...The Flood Warning is extended for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. For the Wolf River...including Gulfport...Minor flooding is forecast. For the Biloxi River...including Lyman...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...Until late Monday night. * IMPACTS...At 10.0 feet, Bells Ferry Road will be closed within a mile of the bridge as the road will be covered by swift moving river current. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 10.5 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 11.0 feet. - Forecast...The river will fall below flood stage tomorrow evening to 2.5 feet Tuesday evening. It will then rise to 6.3 feet Wednesday morning. It will fall to 2.5 feet Wednesday evening. It will then rise to 5.9 feet Thursday morning. It will fall to 2.5 feet Thursday evening then rise again. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 10.5 feet on 05/15/1990. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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 when updates are needed.
Flood Warning issued June 21 at 11:03AM CDT until June 29 at 1:00PM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 11:03 AM
Expires: Mon June 22, 2026, 5:15 AM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting St. Tammany Parish and Hancock and Pearl River Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Monday, June 29. * 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 10:00 AM CDT Sunday the stage was 17.0 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 17.1 feet. - Forecast...The river has crested and is expected to gradually fall below flood stage by Monday, June 29. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 17.0 feet on 02/06/1983. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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 when updates are needed.
Flood Warning issued June 21 at 10:21AM CDT until June 29 at 1:00PM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 10:21 AM
Expires: Mon June 22, 2026, 4:30 AM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Washington Parish and Pearl River County. Pearl River Near Pearl River affecting St. Tammany Parish and 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 Monday, June 29. * 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 10:00 AM CDT Sunday the stage was 17.0 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 17.1 feet. - Forecast...The river has crested and is expected to gradually fall below flood stage by Monday, June 29. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 17.0 feet on 06/06/1928. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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 when updates are needed.
Flood Warning issued June 21 at 7:52PM CDT until June 29 at 1:00PM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 7:52 PM
Expires: Mon June 22, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Washington and Pearl River Counties. Pearl River Near Pearl River affecting St. Tammany, Pearl River and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Monday, June 29. * 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 7:00 PM CDT Sunday the stage was 16.8 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Sunday was 16.9 feet. - Forecast...The river is expected to fall below flood stage Monday, June 29 and continue falling to 13.0 feet Wednesday, July 01. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 16.8 feet on 06/08/1909. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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 when updates are needed.
Flood Warning issued June 21 at 7:57PM CDT until June 22 at 10:00PM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 7:57 PM
Expires: Mon June 22, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. ...The Flood Warning is extended for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. For the Wolf River...including Gulfport...Minor flooding is forecast. For the Biloxi River...including Lyman...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Biloxi River near Lyman. * WHEN...Until Monday evening. * 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 14.6 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Sunday was 15.1 feet. - Forecast...The river will fall below flood stage tomorrow afternoon to 8.1 feet early Thursday morning. It will then rise to 8.2 feet Thursday morning. It will fall to 7.3 feet early Friday morning. It will then rise to 7.5 feet Friday morning. It will fall again and remain below flood stage. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 14.6 feet on 05/12/2021. - 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. 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 when updates are needed.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.19 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 59.13 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 7:40 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
6:55 AM - 9:25 AM7:10 PM - 9:40 PM
Minor Periods
1:19 PM - 2:49 PM12:28 AM - 1:58 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 58.88 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 8:23 PM
Moonset: 1:25 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM7:53 PM - 10:23 PM
Minor Periods
2:16 PM - 3:46 PM12:55 AM - 2:25 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 72.92 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 9:07 PM
Moonset: 1:55 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%
Best Times for Fishing or Hunting
Major Periods
8:20 AM - 10:50 AM8:37 PM - 11:07 PM
Minor Periods
3:13 PM - 4:43 PM1:25 AM - 2:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 80.58 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 9:53 PM
Moonset: 2:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%
Best Times for Fishing or Hunting
Major Periods
9:05 AM - 11:35 AM9:23 PM - 11:53 PM
Minor Periods
4:10 PM - 5:40 PM1:57 AM - 3:27 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 42.13 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 10:41 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
9:53 AM - 12:23 AM12:00 AM - 12:00 AM
Minor Periods
5:07 PM - 6:37 PM2:33 AM - 4:03 AM
Action Rating: 2 out of 5
