Water Temperature of the Gulf of Mexico Near Plaquemines Parish, LA

Current Water Temperature

88.7°F

Measurement Time: Wednesday, July 16, 2025, 2:30 AM CDT

Temperature Locations

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Local Points of Interest

Southwest Pass; Southwest Point; West Bay; Stake Island

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Gulf of Mexico

Station Name: Southwest Pass Entrance W, LA (256)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Plaquemines Parish, LA 70091
Plaquemines County

GPS Coordinates: 28.988, -89.649

Nearby Water Temperatures

Southwest Pass, Venice, LA (15.1 mi)
Barataria Bay, Grand Isle, LA (26.6 mi)
Mississippi River, Pilottown, LA (27.0 mi)
Lake Borgne, Shell Beach, LA (60.8 mi)
Mississippi River, New Orleans, LA (71.5 mi)
Bayou Gauche, Bayou Gauche, LA (72.2 mi)
Mississippi Sound, Waveland, MS (84.2 mi)
Mississippi Sound, Pass Christian, MS (89.8 mi)
Bay of St. Louis, Bay St. Louis, MS (94.4 mi)
Mississippi Sound, Biloxi, MS (100.5 mi)
Lower Atchafalaya River, Berwick, LA (106.6 mi)
Atchafalaya Bay, Morgan City, LA (106.7 mi)
Biloxy Bay, Biloxi, MS (107.8 mi)
Atchafalaya Bay, Morgan City, LA (107.9 mi)
Mississippi Sound, Pascagoula, MS (111.4 mi)

Weather Near Plaquemines Parish, Louisiana

Current Weather

83.8°F
Clear
Conditions: Clear
Humidity: 84%
Feels Like: 94.9°F
Wind: NNW 9.6 mph
Wind Gusts: 17.2 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 20%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Wed
H: 88°F
L: 82°F
Heavy rain
Thu
H: 85°F
L: 80°F
Moderate rain
Fri
H: 85°F
L: 80°F
Patchy rain nearby
Sat
H: 88°F
L: 82°F
Patchy rain nearby
Sun
H: 89°F
L: 83°F

Air Quality

AQI: 1 - Good
PM2.5: 14.43 μg/m3
PM10: 20.54 μg/m3
Carbon Monoxide: 246.05 μg/m3
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:04 PM
Sunset: 7:59 PM
Daylight: 13 hrs 48 mins
Moonrise: 12:18 AM
Moon Transit: 12:15 AM
Moonset: 11:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:22 AM - 12:52 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued July 16 at 1:16AM CDT until July 16 at 7:00PM CDT by NWS New Orleans LA

Effective: Wed July 16, 2025, 1:16 AM
Expires: Wed July 16, 2025, 9:30 AM

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM this morning to 7 PM CDT this evening. * IMPACTS...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.


Flood Watch issued July 16 at 1:15AM CDT until July 19 at 1:00AM CDT by NWS New Orleans LA

Effective: Wed July 16, 2025, 1:15 AM
Expires: Wed July 16, 2025, 10:45 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Plaquemines, Central Tangipahoa, Coastal Jefferson Parish, East Baton Rouge, East Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower Jefferson, Lower Lafourche, Lower Plaquemines, Lower St. Bernard, Lower Tangipahoa, Lower Terrebonne, Northern Livingston, Northern St. Tammany, Northern Tangipahoa, Pointe Coupee, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Charles, St. Helena, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper Terrebonne, Washington, West Baton Rouge, West Feliciana, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Southern Hancock, Southern Harrison and Southern Jackson. * WHEN...From 1 PM CDT this afternoon through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Heat Advisory issued July 16 at 1:16AM CDT until July 16 at 7:00PM CDT by NWS New Orleans LA

Effective: Wed July 16, 2025, 1:16 AM
Expires: Wed July 16, 2025, 9:30 AM

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM this morning to 7 PM CDT this evening. * IMPACTS...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.


Flood Watch issued July 16 at 1:15AM CDT until July 19 at 1:00AM CDT by NWS New Orleans LA

Effective: Wed July 16, 2025, 1:15 AM
Expires: Wed July 16, 2025, 10:45 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Plaquemines, Central Tangipahoa, Coastal Jefferson Parish, East Baton Rouge, East Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower Jefferson, Lower Lafourche, Lower Plaquemines, Lower St. Bernard, Lower Tangipahoa, Lower Terrebonne, Northern Livingston, Northern St. Tammany, Northern Tangipahoa, Pointe Coupee, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Charles, St. Helena, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper Terrebonne, Washington, West Baton Rouge, West Feliciana, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Southern Hancock, Southern Harrison and Southern Jackson. * WHEN...From 1 PM CDT this afternoon through late Friday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Heat Advisory issued July 16 at 1:16AM CDT until July 16 at 7:00PM CDT by NWS New Orleans LA

Effective: Wed July 16, 2025, 1:16 AM
Expires: Wed July 16, 2025, 9:30 AM

* WHAT...Heat index values up to 109 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 10 AM this morning to 7 PM CDT this evening. * IMPACTS...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.


Wednesday, July 16, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 85.3°F
Average Humidity: 79%
Chance of Rain: 86%
Wind: 11.4 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 17.93 μg/m3
PM10: 22.97 μg/m3
Carbon Monoxide: 234.21 μg/m3
Nitrogen Dioxide: 5.72 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 100.28 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:04 PM
Sunset: 7:59 PM
Daylight: 13 hrs 48 mins
Moonrise: 12:18 AM
Moon Transit: 12:15 AM
Moonset: 11:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:22 AM - 12:52 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 17, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 83°F
Average Humidity: 78%
Chance of Rain: 86%
Wind: 9.2 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 12.36 μg/m3
PM10: 14.58 μg/m3
Carbon Monoxide: 262.85 μg/m3
Nitrogen Dioxide: 3.48 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 115.16 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:04 PM
Sunset: 7:58 PM
Daylight: 13 hrs 47 mins
Moonrise: 12:50 AM
Moon Transit: 6:18 AM
Moonset: 12:56 AM
Moon Phase: Last Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
6:16 PM - 8:46 PM

Minor Periods

12:26 AM - 1:56 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 18, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 82.7°F
Average Humidity: 79%
Chance of Rain: 88%
Wind: 12.3 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 8.57 μg/m3
PM10: 11.84 μg/m3
Carbon Monoxide: 214.67 μg/m3
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 98.36 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:04 PM
Sunset: 7:58 PM
Daylight: 13 hrs 46 mins
Moonrise: 12:24 AM
Moon Transit: 7:08 AM
Moonset: 2:02 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
7:07 PM - 9:37 PM

Minor Periods

1:32 PM - 3:02 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 85.1°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 9.4 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 13.02 μg/m3
PM10: 20.93 μg/m3
Carbon Monoxide: 189.74 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 70.44 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 45 mins
Moonrise: 1:02 AM
Moon Transit: 8:02 AM
Moonset: 3:10 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
8:03 PM - 10:33 PM

Minor Periods

2:40 PM - 4:10 PM
12:32 AM - 2:02 AM

Action Rating: 3 out of 5

Sunday, July 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 85.5°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 11.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 14.56 μg/m3
PM10: 23.28 μg/m3
Carbon Monoxide: 194.25 μg/m3
Nitrogen Dioxide: 1.76 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 44 mins
Moonrise: 1:46 AM
Moon Transit: 9:00 AM
Moonset: 4:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:03 PM - 11:33 PM

Minor Periods

3:51 PM - 5:21 PM
1:16 AM - 2:46 AM

Action Rating: 2 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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