Water Temperature of Bay of St. Louis in Bay St. Louis, MS
Current Water Temperature
Measurement Time: Thursday, May 28, 2026, 2:48 PM CDT
Today's Tides
High: May 28, 9:47 AM, 1.9 ft
Low: May 28, 8:26 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

Thu
H: 86°F
L: 74°F

Fri
H: 88°F
L: 75°F

Sat
H: 88°F
L: 74°F

Sun
H: 89°F
L: 74°F

Mon
H: 88°F
L: 74°F
Air Quality
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 52 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
Flood Warning issued May 27 at 7:59PM CDT until June 2 at 1:00AM CDT by NWS New Orleans LA
Effective: Wed May 27, 2026, 7:59 PM
Expires: Thu May 28, 2026, 12:00 PM
...The Flood Warning is extended 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 early Tuesday morning. * IMPACTS...At 15.5 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. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. As the river level continues to recede, these conditions will improve. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 15.1 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to fall below flood stage Monday evening and continue falling to 12.9 feet Saturday, June 06. - 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. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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 Thursday afternoon at noon CDT.
Flood Warning issued May 28 at 9:07AM CDT until May 31 at 7:00AM CDT by NWS New Orleans LA
Effective: Thu May 28, 2026, 9:07 AM
Expires: Fri May 29, 2026, 1:15 AM
...The Flood Warning continues for the following rivers in Mississippi...Louisiana... Pearl River Near Pearl River affecting St. Tammany, 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 Sunday morning. * 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. At 15.5 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. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. * ADDITIONAL DETAILS... - At 8:00 AM CDT Thursday the stage was 15.0 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is cresting and will fall below flood stage early Sunday morning. - 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. 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 late tonight at 115 AM CDT.
Flash Flood Warning issued May 28 at 12:50PM CDT until May 28 at 2:30PM CDT by NWS New Orleans LA
Effective: Thu May 28, 2026, 12:50 PM
Expires: Thu May 28, 2026, 2:30 PM
At 1250 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 4 and 7 inches of rain have fallen according to radar estimates. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Poplarville. This includes the following Interstate... Interstate 59 in Mississippi between mile markers 21 and 27.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. DO NOT DRIVE AROUND BARRICADES! Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads. 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.
Flash Flood Warning issued May 28 at 10:59AM CDT until May 28 at 2:00PM CDT by NWS New Orleans LA
Effective: Thu May 28, 2026, 10:59 AM
Expires: Thu May 28, 2026, 2:00 PM
FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... Northeastern Hancock County in southern Mississippi... East Central Pearl River County in southern Mississippi... * Until 200 PM CDT. * At 1059 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... mainly rural areas of Northeastern Hancock and East Central Pearl River Counties
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. 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.
Flood Warning issued May 27 at 7:48PM CDT until May 28 at 1:51PM CDT by NWS New Orleans LA
Effective: Wed May 27, 2026, 7:48 PM
Expires: Thu May 28, 2026, 12:00 PM
...The Flood Warning continues for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. 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 early tomorrow afternoon. * IMPACTS...At 13.0 feet, Loraine Road will begin to flood at 13 feet making driving hazardous. River Road near Three Rivers Road bridge will begin to flood. As river levels recede, these conditions will improve. * ADDITIONAL DETAILS... - At 6:45 PM CDT Wednesday the stage was 13.5 feet. - Bankfull stage is 9.0 feet. - Forecast...The river will oscillate above flood stage with a maximum value of 12.8 feet just after midnight tonight. It will fall below flood stage tomorrow 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. Be especially cautious at night when it is harder to recognize the dangers of flooding. 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 Thursday afternoon at noon CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 54.2 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: 4.99 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 46.12 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 54.16 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 7:54 PM
Daylight: 13 hrs 57 mins
Moon Transit: 12:00 AM
Moonset: 5:03 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:56 AM - 2:26 PM
Minor Periods
7:13 PM - 8:43 PM4:33 AM - 6:03 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 54.08 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: 2.85 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 46.38 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
