Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Thursday, June 18, 2026, 12:42 AM CDT
Today's Tides
Low: June 18, 12:49 AM, -0.3 ft
High: June 18, 2:16 PM, 2.2 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

Thu
H: 87°F
L: 81°F

Fri
H: 89°F
L: 81°F

Sat
H: 87°F
L: 79°F

Sun
H: 90°F
L: 78°F

Mon
H: 90°F
L: 78°F
Air Quality
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 50 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 4:40 PM
Moonset: 11:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
3:49 AM - 6:19 AM4:10 PM - 6:40 PM
Minor Periods
12:00 AM - 12:00 AM9:14 AM - 10:44 AM
Action Rating: 3 out of 5
Flood Warning issued June 17 at 8:50AM CDT by NWS New Orleans LA
Effective: Wed June 17, 2026, 8:50 AM
Expires: Thu June 18, 2026, 3:00 AM
...The National Weather Service in New Orleans has issued a Flood Warning for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for major flooding. For the Wolf River...including Gulfport...Moderate flooding is forecast. For the Biloxi River...including Lyman...Minor flooding is forecast. * WHAT...Moderate flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...From this morning until further notice. * 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 AM CDT Wednesday the stage was 5.9 feet. - Bankfull stage is 7.0 feet. - Forecast...The river is expected to rise above flood stage late this morning and continue rising to a crest of 12.5 feet early Sunday morning. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 12.6 feet on 08/31/2021. - 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. 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 17 at 7:46PM CDT by NWS New Orleans LA
Effective: Wed June 17, 2026, 7:46 PM
Expires: Thu June 18, 2026, 2:00 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 river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Tropical Storm Arthur or its remnants tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for significant flooding. For the Wolf River...including Gulfport...Moderate flooding is forecast. For the Biloxi River...including Lyman...Minor flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...Until further notice. * 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 PM CDT Wednesday the stage was 9.1 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Wednesday was 9.1 feet. - Forecast...The river is expected to rise to a crest of 12.5 feet early Sunday morning. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 12.6 feet on 08/31/2021. - 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 17 at 6:34AM CDT until June 22 at 7:00PM CDT by NWS New Orleans LA
Effective: Wed June 17, 2026, 6:34 AM
Expires: Thu June 18, 2026, 12:45 AM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River and Hancock Counties and St. Tammany Parish. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...From Monday morning to Monday 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 6:00 AM CDT Wednesday the stage was 11.2 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 14.0 feet Monday morning. The river is expected to fall below flood stage early Monday afternoon. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 14.1 feet on 12/28/1986. - 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 when updates are needed.
Flood Warning issued June 17 at 9:02AM CDT by NWS New Orleans LA
Effective: Wed June 17, 2026, 9:02 AM
Expires: Thu June 18, 2026, 3:15 AM
...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Mississippi... Louisiana... Pearl River Near Pearl River affecting St. Tammany, Hancock and Pearl River Counties. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for more flooding. For the Lower Pearl River...including Bogalusa, Pearl River... Moderate flooding is forecast. * WHAT...Moderate flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...From Thursday evening until further notice. * 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 8:00 AM CDT Wednesday the stage was 11.4 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening and continue rising to a crest of 17.5 feet early Monday afternoon. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 17.5 feet on 02/01/1994. - 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. 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 17 at 7:36PM CDT until June 27 at 5:30PM CDT by NWS New Orleans LA
Effective: Wed June 17, 2026, 7:36 PM
Expires: Thu June 18, 2026, 1:45 PM
...The Flood Warning is extended for the following rivers in Mississippi...Louisiana... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. ...The Flood Warning continues for the following rivers in Mississippi...Louisiana... Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Tropical Storm Arthur or its remnants tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for significant flooding. For the Lower Pearl River...including Bogalusa, Pearl River... Moderate flooding is forecast. * WHAT...Moderate flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...From Thursday afternoon to Saturday, June 27. * 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 7:00 PM CDT Wednesday the stage was 12.7 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 17.5 feet early Monday afternoon. It will then fall below flood stage Saturday, June 27. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 17.5 feet on 02/01/1994. - 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: 1.15 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 51.92 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 4:40 PM
Moonset: 11:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
3:49 AM - 6:19 AM4:10 PM - 6:40 PM
Minor Periods
12:00 AM - 12:00 AM9:14 AM - 10:44 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.21 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 55.96 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 5:29 PM
Moonset: 12:27 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
4:41 AM - 7:11 AM4:59 PM - 7:29 PM
Minor Periods
10:21 AM - 11:51 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 48.67 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 8:02 PM
Daylight: 14 hrs 6 mins
Moon Transit: 6:15 PM
Moonset: 12:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
5:28 AM - 7:58 AM5:45 PM - 8:15 PM
Minor Periods
11:23 AM - 12:53 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 57.17 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: 1.23 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 48.88 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
