Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Sunday, June 21, 2026, 6:30 PM CDT
Today's Tides
Low: June 21, 1:01 AM, 0.6 ft
High: June 21, 10:35 AM, 1.2 ft
Low: June 21, 11:36 PM, 0.8 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: 90°F
L: 79°F

Mon
H: 89°F
L: 79°F

Tue
H: 91°F
L: 77°F

Wed
H: 82°F
L: 75°F

Thu
H: 88°F
L: 75°F
Air Quality
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 69 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 6:58 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM6:28 PM - 8:58 PM
Minor Periods
12:22 AM - 1:52 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Flood Warning issued June 20 at 8:30PM CDT until June 23 at 12:00PM CDT by NWS New Orleans LA
Effective: Sat June 20, 2026, 8:30 PM
Expires: Sun June 21, 2026, 2:30 PM
...The Flood Warning continues for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. Wolf River Above Gulfport affecting Harrison County. ...The Flood Warning is extended for the following rivers in Mississippi... Tchoutacabouffa River Above D'Iberville affecting Harrison County. For the Wolf River...including Gulfport...Minor flooding is forecast. For the Biloxi River...including Lyman...Minor flooding is forecast. For the Tchoutacabouffa River...including D'Iberville...Minor flooding is forecast. * WHAT...Moderate flooding is occurring and minor flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...Until Tuesday afternoon. * IMPACTS...At 12.0 feet, Water will be in several homes along the river near the Bells Ferry Road bridge. 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 Saturday the stage was 12.5 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Saturday was 13.3 feet. - Forecast...The river is expected to fall below flood stage Tuesday morning and continue falling to 4.8 feet Thursday evening. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 12.4 feet on 06/20/2021. - 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.
Flood Warning issued June 21 at 6:59AM CDT until June 23 at 12:00PM CDT by NWS New Orleans LA
Effective: Sun June 21, 2026, 6:59 AM
Expires: Mon June 22, 2026, 1:00 AM
...The Flood Warning continues for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. Biloxi River Near Lyman affecting Harrison County. Tchoutacabouffa River Above D'Iberville affecting Harrison County. For the Wolf River...including Landon, Gulfport...Minor flooding is forecast. For the Biloxi River...including Wortham, Lyman...Minor flooding is forecast. For the Tchoutacabouffa River...including D'Iberville...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...Until Tuesday afternoon. * IMPACTS...At 12.0 feet, Water will be in several homes along the river near the Bells Ferry Road bridge. 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 6:45 AM CDT Sunday the stage was 11.6 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 AM CDT Sunday was 12.1 feet. - Forecast...The river is falling and expected to drop below flood stage Tuesday morning. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 11.7 feet on 04/09/1983. - 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 20 at 8:23PM CDT by NWS New Orleans LA
Effective: Sat June 20, 2026, 8:23 PM
Expires: Sun June 21, 2026, 2:30 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River... Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. The river has crested and begun a slow fall. * WHERE...Pearl River near Pearl River. * WHEN...Until further notice. * 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 8:00 PM CDT Saturday the stage was 17.3 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Saturday was 17.8 feet. - Forecast...The river is expected to fall to 14.4 feet Tuesday, June 30. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 17.2 feet on 12/21/1961. - 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 59.58 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 6:58 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM6:28 PM - 8:58 PM
Minor Periods
12:22 AM - 1:52 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 62.42 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: 3.29 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 61.79 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: 3.85 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 64.5 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: 3.43 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 52.88 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
