Water Temperature of Mississippi Sound Near Biloxi, MS

Current Water Temperature

88.5°F

Measurement Time: Tuesday, July 22, 2025, 11:30 AM CDT

Temperature Locations

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Local Points of Interest

Gulf of Mexico

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Mississippi Sound

Station Name: MISSISSIPPI SOUND AT USGS GULFPORT LIGHT, MS
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Biloxi, MS 39531
Harris County

GPS Coordinates: 30.3186111, -88.9722222

Nearby Water Temperatures

Biloxy Bay, Biloxi, MS (8.4 mi)
Mississippi Sound, Pass Christian, MS (17.1 mi)
Bay of St. Louis, Bay St. Louis, MS (21.0 mi)
Mississippi Sound, Pascagoula, MS (23.2 mi)
Pascagoula River, Pascagoula, MS (24.6 mi)
Mississippi Sound, Waveland, MS (28.3 mi)
Cypress Creek, Brooklyn, MS (48.9 mi)
Lake Borgne, Shell Beach, LA (52.2 mi)
Gulf of Mexico, Dauphin Island, AL (53.7 mi)
Mobile Bay, Mobile, AL (59.0 mi)
Mobile River, Mobile, AL (61.6 mi)
Leaf River, New Augusta, MS (62.6 mi)
Mississippi River, New Orleans, LA (74.4 mi)
Mississippi River, Pilottown, LA (80.6 mi)
Barataria Bay, Grand Isle, LA (93.8 mi)

Weather Near Biloxi, Mississippi

Current Weather

84.4°F
Clear
Conditions: Clear
Humidity: 79%
Feels Like: 91.7°F
Wind: WNW 4.9 mph
Wind Gusts: 9.7 mph
Pressure: 29.95 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 96°F
L: 82°F
Heavy rain
Thu
H: 87°F
L: 80°F
Moderate rain
Fri
H: 88°F
L: 82°F
Patchy rain nearby
Sat
H: 89°F
L: 79°F
Patchy rain nearby
Sun
H: 91°F
L: 79°F

Air Quality

PM2.5: 14.43 μg/m3
PM10: 17.02 μg/m3
Carbon Monoxide: 307.1 μg/m3
Nitrogen Dioxide: 11.66 μg/m3
Sulphur Dioxide: 5 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:02 PM
Sunset: 7:55 PM
Daylight: 13 hrs 46 mins
Moonrise: 4:37 AM
Moon Transit: 12:05 AM
Moonset: 7:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:35 AM - 2:05 PM

Minor Periods

6:58 PM - 8:28 PM
4:07 AM - 5:37 AM

Action Rating: 2 out of 5

Extreme Heat Warning issued July 22 at 12:39PM CDT until July 23 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue July 22, 2025, 12:39 PM
Expires: Wed July 23, 2025, 4:30 AM

* WHAT...For the Heat Advisory, heat index values up to 110. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the Extreme Heat Warning, from 10 AM to 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Extreme Heat Watch issued July 22 at 12:39PM CDT until July 23 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue July 22, 2025, 12:39 PM
Expires: Wed July 23, 2025, 4:30 AM

* WHAT...For the Heat Advisory, heat index values up to 110. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the Extreme Heat Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Extreme Heat Warning issued July 22 at 10:24PM CDT until July 23 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue July 22, 2025, 10:24 PM
Expires: Wed July 23, 2025, 6:30 AM

* WHAT...Dangerously hot conditions with heat index values up to 111 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Extreme Heat Warning issued July 22 at 10:24PM CDT until July 23 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue July 22, 2025, 10:24 PM
Expires: Wed July 23, 2025, 6:30 AM

* WHAT...Dangerously hot conditions with heat index values up to 111 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Wednesday, July 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 89.6°F
Average Humidity: 68%
Chance of Rain: 81%
Wind: 6.7 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 21.26 μg/m3
PM10: 25.79 μg/m3
Carbon Monoxide: 303.25 μg/m3
Nitrogen Dioxide: 8.54 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 111.84 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:02 PM
Sunset: 7:55 PM
Daylight: 13 hrs 46 mins
Moonrise: 4:37 AM
Moon Transit: 12:05 AM
Moonset: 7:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:35 AM - 2:05 PM

Minor Periods

6:58 PM - 8:28 PM
4:07 AM - 5:37 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 81.9°F
Average Humidity: 89%
Chance of Rain: 89%
Wind: 11.4 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 16.69 μg/m3
PM10: 17.49 μg/m3
Carbon Monoxide: 300.29 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 3.82 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:02 PM
Sunset: 7:55 PM
Daylight: 13 hrs 45 mins
Moonrise: 5:45 AM
Moon Transit: 1:03 PM
Moonset: 8:14 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
12:33 AM - 3:03 PM

Minor Periods

7:44 PM - 9:14 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 84.7°F
Average Humidity: 78%
Chance of Rain: 89%
Wind: 12.8 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 4.48 μg/m3
PM10: 6.13 μg/m3
Carbon Monoxide: 226.44 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 95.44 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:02 PM
Sunset: 7:54 PM
Daylight: 13 hrs 44 mins
Moonrise: 6:53 AM
Moon Transit: 1:56 PM
Moonset: 8:53 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
1:26 PM - 3:56 PM

Minor Periods

8:23 PM - 9:53 PM
6:23 AM - 7:53 AM

Action Rating: 5 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84°F
Average Humidity: 75%
Chance of Rain: 87%
Wind: 8.3 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 5.59 μg/m3
PM10: 8.08 μg/m3
Carbon Monoxide: 184.29 μg/m3
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 63.69 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:02 PM
Sunset: 7:54 PM
Daylight: 13 hrs 42 mins
Moonrise: 7:57 AM
Moon Transit: 2:45 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
2:15 PM - 4:45 PM

Minor Periods

8:55 PM - 10:25 PM
7:27 AM - 8:57 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.1°F
Average Humidity: 75%
Chance of Rain: 86%
Wind: 7.4 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:02 PM
Sunset: 7:53 PM
Daylight: 13 hrs 41 mins
Moonrise: 8:58 AM
Moon Transit: 3:29 PM
Moonset: 9:54 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
2:59 PM - 5:29 PM

Minor Periods

9:24 PM - 10:54 PM
8:28 AM - 9:58 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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