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

Current Water Temperature

66.9°F

Measurement Time: Thursday, February 19, 2026, 2:00 AM CST

Temperature Locations

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Local Points of Interest

Southwest Pass; Southwest Point; West Bay; Stake Island

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

67.9°F
Overcast
Overcast
67.9°F
67.9°F
95%
S 11.9 mph
21.6 mph
67.9°F
66.1°F
0 in
100%
6 mi
1012 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 75°F
L: 67°F
Cloudy
Fri
H: 69°F
L: 66°F
Fog
Sat
H: 68°F
L: 66°F
Sunny
Sun
H: 60°F
L: 53°F
Sunny
Mon
H: 55°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 11.55 μg/m3
PM10: 16.35 μg/m3
Carbon Monoxide: 130.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:12 AM
Sunset: 5:51 PM
Daylight: 11 hrs 18 mins
Moonrise: 7:46 AM
Moon Transit: 3:07 PM
Moonset: 8:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
2:37 PM - 5:07 PM

Minor Periods

7:46 PM - 9:16 PM
7:16 AM - 8:46 AM

Action Rating: 2 out of 5

Dense Fog Advisory issued February 18 at 10:04PM CST until February 19 at 9:00AM CST by NWS New Orleans LA

Effective: Wed February 18, 2026, 10:04 PM
Expires: Thu February 19, 2026, 9:00 AM

* WHAT...Patchy dense fog causing visibility to drop below one quarter mile. * WHERE...Portions of southeast Louisiana and southern Mississippi that are generally southeast of a line from Morgan City to Hammond to Picayune. * WHEN...Until 9 AM CST Thursday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Thursday, February 19, 2026

Weather Forecast

Partly Cloudy
75.2°F
67.1°F
69.7°F
93%
0 in
0%
0%
17 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 11.87 μg/m3
PM10: 16.72 μg/m3
Carbon Monoxide: 128.41 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 79.84 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:12 AM
Sunset: 5:51 PM
Daylight: 11 hrs 18 mins
Moonrise: 7:46 AM
Moon Transit: 3:07 PM
Moonset: 8:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
2:37 PM - 5:07 PM

Minor Periods

7:46 PM - 9:16 PM
7:16 AM - 8:46 AM

Action Rating: 2 out of 5

Friday, February 20, 2026

Weather Forecast

Cloudy
68.7°F
66°F
67.4°F
95%
0 in
0%
0%
19 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 11.3 μg/m3
PM10: 16.11 μg/m3
Carbon Monoxide: 127.45 μg/m3
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 69.88 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:12 AM
Sunset: 5:52 PM
Daylight: 11 hrs 19 mins
Moonrise: 8:17 AM
Moon Transit: 2:43 PM
Moonset: 9:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

8:49 PM - 10:19 PM
7:47 AM - 9:17 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Fog
68.2°F
65.5°F
66.8°F
96%
0 in
0%
0%
15.7 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 11.63 μg/m3
PM10: 16.34 μg/m3
Carbon Monoxide: 123.85 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 71.68 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:12 AM
Sunset: 5:53 PM
Daylight: 11 hrs 21 mins
Moonrise: 8:50 AM
Moon Transit: 3:32 PM
Moonset: 10:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
3:02 PM - 5:32 PM

Minor Periods

9:54 PM - 11:24 PM
8:20 AM - 9:50 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Sunny
59.7°F
52.6°F
58.3°F
56%
0 in
0%
0%
26.2 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 5.99 μg/m3
PM10: 7.25 μg/m3
Carbon Monoxide: 154.22 μg/m3
Nitrogen Dioxide: 3.04 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:12 AM
Sunset: 5:54 PM
Daylight: 11 hrs 23 mins
Moonrise: 9:27 AM
Moon Transit: 4:25 PM
Moonset: 11:31 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
3:55 PM - 6:25 PM

Minor Periods

12:00 AM - 12:00 AM
8:57 AM - 10:27 AM

Action Rating: 2 out of 5

Monday, February 23, 2026

Weather Forecast

Sunny
55.3°F
46.6°F
50.7°F
48%
0 in
0%
0%
19.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.24 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 160.53 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 2.99 μg/m3
Ozone: 96.69 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:11 AM
Sunset: 5:54 PM
Daylight: 11 hrs 24 mins
Moonrise: 10:09 AM
Moon Transit: 5:21 PM
Moonset: 12:31 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
4:51 PM - 7:21 PM

Minor Periods

9:39 AM - 11:09 AM
12:00 AM - 12:00 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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