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

Current Water Temperature

70.5°F

Measurement Time: Monday, December 29, 2025, 6:30 AM CST

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

57.3°F
Partly sunny
Conditions: Partly sunny
Humidity: 66%
Heat Index: 57.3°F
Feels Like: 51.6°F
Wind: NW 21.7 mph
Wind Gusts: 36 mph
Wind Chill: 51.6°F
Air Pressure: 1019.73 millibars
Dew Point: 51.6°F
Chance of Precipitation: 14%
Precipitation: 0.01 in
Cloud Cover: 85%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 67°F
L: 50°F
Sunny
Tue
H: 52°F
L: 44°F
Sunny
Wed
H: 56°F
L: 45°F
Sunny
Thu
H: 61°F
L: 51°F
Patchy rain nearby
Fri
H: 69°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 2.55 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:00 AM
Sunset: 5:10 PM
Daylight: 10 hrs 19 mins
Moonrise: 12:49 AM
Moon Transit: 7:41 PM
Moonset: 1:34 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:11 PM - 9:41 PM

Minor Periods

12:19 AM - 1:49 PM
1:04 AM - 2:34 AM

Action Rating: 3 out of 5

Special Weather Statement issued December 28 at 11:40AM CST by NWS New Orleans LA

Effective: Sun December 28, 2025, 11:40 AM
Expires: Tue December 30, 2025, 12:00 AM

There is an elevated risk of fire weather concerns across Southeast Louisiana for Monday, December 29th. Low relative humidities (20-30%) combined with strong, gusty northerly winds (20-25mph with gusts to 30mph) will enhance fire weather concerns across the area Monday and Monday afternoon, mainly from 7AM through 7PM Monday. Weather conditions will favorable for erratic wildfire growth and spread. Please heed any orders from local fire officials.


Special Weather Statement issued December 28 at 11:16AM CST by NWS New Orleans LA

Effective: Sun December 28, 2025, 11:16 AM
Expires: Mon December 29, 2025, 11:30 AM

There is an elevated risk of fire weather concerns across Southeast Louisiana for Monday, December 29th. Low relative humidities (20-30%) combined with strong, gusty northerly winds (20-25mph with gusts to 30mph) will enhance fire weather concerns across the area Monday and Monday afternoon, mainly from 7AM through 7PM Monday. Weather conditions will favorable for erratic wildfire growth and spread. Please heed any orders from local fire officials.


Wind Advisory issued December 28 at 10:00PM CST until December 29 at 3:00PM CST by NWS New Orleans LA

Effective: Sun December 28, 2025, 10:00 PM
Expires: Mon December 29, 2025, 12:00 PM

* WHAT...North winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...A portion of southeast Louisiana. * WHEN...From 3 AM to 3 PM CST Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Monday, December 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 57.9°F
Average Humidity: 65%
Chance of Rain: 79%
Wind: 27.1 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 6.66 μg/m3
Carbon Monoxide: 135.29 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 80.68 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:00 AM
Sunset: 5:10 PM
Daylight: 10 hrs 19 mins
Moonrise: 12:49 AM
Moon Transit: 7:41 PM
Moonset: 1:34 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
7:11 PM - 9:41 PM

Minor Periods

12:19 AM - 1:49 PM
1:04 AM - 2:34 AM

Action Rating: 3 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 47.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 19.7 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.23 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 182.77 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 73.64 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:01 AM
Sunset: 5:11 PM
Daylight: 10 hrs 19 mins
Moonrise: 1:30 PM
Moon Transit: 8:38 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
8:08 PM - 10:38 PM

Minor Periods

1:00 PM - 2:30 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 49.9°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 2.95 μg/m3
PM10: 3.06 μg/m3
Carbon Monoxide: 163.81 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:01 AM
Sunset: 5:12 PM
Daylight: 10 hrs 19 mins
Moonrise: 2:21 PM
Moon Transit: 9:41 PM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
9:11 PM - 11:41 PM

Minor Periods

1:51 PM - 3:21 PM
3:24 AM - 4:54 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 56.8°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.83 μg/m3
PM10: 6.39 μg/m3
Carbon Monoxide: 147.04 μg/m3
Nitrogen Dioxide: 2.54 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 95.16 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:02 AM
Sunset: 5:12 PM
Daylight: 10 hrs 20 mins
Moonrise: 3:19 PM
Moon Transit: 10:47 PM
Moonset: 5:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:46 AM - 12:16 AM
12:00 AM - 12:00 AM

Minor Periods

2:49 PM - 4:19 PM
4:37 AM - 6:07 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.7°F
Average Humidity: 79%
Chance of Rain: 86%
Wind: 18.3 mph
UV Index: 4

Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 9.42 μg/m3
Carbon Monoxide: 139.87 μg/m3
Nitrogen Dioxide: 1.69 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 96.08 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:02 AM
Sunset: 5:13 PM
Daylight: 10 hrs 20 mins
Moonrise: 4:27 PM
Moon Transit: 11:54 PM
Moonset: 6:16 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

10:53 AM - 1:23 PM
12:00 AM - 12:00 AM

Minor Periods

3:57 PM - 5:27 PM
5:46 AM - 7:16 AM

Action Rating: 5 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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