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

Current Water Temperature

76.3°F 24.6°C
Comfortable Ideal for Swimming
76.3°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Friday, October 30, 2026, 2:30 PM 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

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 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

71.8°F
Overcast
Conditions: Overcast
Humidity: 60%
Feels Like: 72.7°F
Wind: NE 3.5 mph
Wind Gusts: 3.4 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 18.6 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 73°F
L: 70°F
Overcast
Thu
H: 73°F
L: 69°F
Overcast
Fri
H: 69°F
L: 66°F
Overcast
Sat
H: 68°F
L: 62°F
Light Drizzle
Sun
H: 71°F
L: 65°F

Air Quality

EPA Index 2 • Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

PM2.5
3.7 μg/m³
Good
PM10
5.5 μg/m³
Good
Ozone (O3)
102 μg/m³
Photochemical
NO2
1.3 μg/m³
Nitrogen Dioxide
SO2
1.6 μg/m³
Sulfur Dioxide
CO
128 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 47m daylight
Sunrise 6:19 AM
Solar Noon 11:42 AM
Sunset 5:06 PM
Moon
New • 2%
Moonrise 8:36 AM
Transit 1:39 PM
Moonset 6:42 PM

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:09 PM - 3:39 PM

Minor Periods

8:06 AM - 9:36 AM
6:12 PM - 7:42 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 71.6°F
Average Humidity: 66%
Chance of Rain: 6%
Wind: 13.5 mph
UV Index: 5.3

Air Quality

EPA Index 2 • Moderate
PM2.5
5.2 μg/m³
Good
PM10
7 μg/m³
Good
Ozone (O3)
110.5 μg/m³
Photochemical
NO2
1.4 μg/m³
Nitrogen Dioxide
SO2
1.7 μg/m³
Sulfur Dioxide
CO
120.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 47m daylight
Sunrise 6:19 AM
Solar Noon 11:42 AM
Sunset 5:06 PM
Moon
New • 2%
Moonrise 8:36 AM
Transit 1:39 PM
Moonset 6:42 PM

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
1:09 PM - 3:39 PM

Minor Periods

8:06 AM - 9:36 AM
6:12 PM - 7:42 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 70.9°F
Average Humidity: 68%
Chance of Rain: 2%
Wind: 23.9 mph
UV Index: 3.5

Air Quality

EPA Index 2 • Moderate
PM2.5
7.6 μg/m³
Good
PM10
9.6 μg/m³
Good
Ozone (O3)
99.2 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
124.9 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 46m daylight
Sunrise 6:20 AM
Solar Noon 11:42 AM
Sunset 5:06 PM
Moon
Waxing Crescent • 6%
Moonrise 9:28 AM
Transit 2:30 PM
Moonset 7:33 PM

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
2:00 PM - 4:30 PM

Minor Periods

8:58 AM - 10:28 AM
7:03 PM - 8:33 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 68°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 20.1 mph
UV Index: 5.3

Air Quality

EPA Index 1 • Good
PM2.5
6.1 μg/m³
Good
PM10
7.5 μg/m³
Good
Ozone (O3)
91.6 μg/m³
Photochemical
NO2
1.7 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
126.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 44m daylight
Sunrise 6:21 AM
Solar Noon 11:42 AM
Sunset 5:05 PM
Moon
Waxing Crescent • 13%
Moonrise 10:17 AM
Transit 3:21 PM
Moonset 8:29 PM

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
2:51 PM - 5:21 PM

Minor Periods

9:47 AM - 11:17 AM
7:59 PM - 9:29 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 64°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 21.3 mph
UV Index: 5.3

Air Quality

EPA Index 1 • Good
PM2.5
5.4 μg/m³
Good
PM10
7.6 μg/m³
Good
Ozone (O3)
86.7 μg/m³
Photochemical
NO2
0.9 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
129.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 43m daylight
Sunrise 6:21 AM
Solar Noon 11:43 AM
Sunset 5:05 PM
Moon
Waxing Crescent • 21%
Moonrise 10:59 AM
Transit 4:10 PM
Moonset 9:24 PM

Best Times for Fishing or Hunting

Major Periods

3:15 AM - 5:45 AM
3:40 PM - 6:10 PM

Minor Periods

10:29 AM - 11:59 AM
8:54 PM - 10:24 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 68.2°F
Average Humidity: 65%
Chance of Rain: 10%
Wind: 31.3 mph
UV Index: 2.4

Air Quality

EPA Index 1 • Good
PM2.5
6.3 μg/m³
Good
PM10
10.1 μg/m³
Good
Ozone (O3)
92.9 μg/m³
Photochemical
NO2
0.4 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
142.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 42m daylight
Sunrise 6:22 AM
Solar Noon 11:43 AM
Sunset 5:04 PM
Moon
Waxing Crescent • 31%
Moonrise 11:36 AM
Transit 4:56 PM
Moonset 10:21 PM

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
4:26 PM - 6:56 PM

Minor Periods

11:06 AM - 12:36 PM
9:51 PM - 11:21 PM
Action Rating:
Good Action 3/5
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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