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)

Marine Weather for the Gulf of Mexico Near Plaquemines Parish, LA

Marine Weather

Coastal & Marine Conditions
Open-Meteo Marine
2.7ft 0.8 m
Light Chop Gentle waves and light chop, ideal for water activities.
Wave Period 3.8s
Wave Direction 48° NE
Swell Waves
0.7 ft
4s • 92° E
Wind Waves / Chop
2.4 ft
3.3s • 47° NE
Ocean Current
0.4 mph
0.3 kn • 252° WSW
Sea Surface Temp
75.4°F
Equivalent: 24.1°C

High & Low Tide Forecast

Rising (Flood)
Next Tide: High 4:00 PM (+0.5 ft)
0.0 ft (MSL) Fri, Nov 13 6 PM 12 AM 6 AM 12 PM 6 PM 12 AM Sat, Nov 14 Sun, Nov 15 ▼ Low 3:00 AM -1.0 ft ▲ High 4:00 PM +0.5 ft ▼ Low 4:00 AM -0.9 ft NOW
Low Tide Sat, Nov 14
3:00 AM
-1.0 ft (-0.30 m)
High Tide Sat, Nov 14
4:00 PM
+0.5 ft (0.15 m)
Low Tide Sun, Nov 15
4:00 AM
-0.9 ft (-0.27 m)
High Tide Sun, Nov 15
5:00 PM
+0.4 ft (0.12 m)
Open-Meteo Tidal Model (Mean Sea Level MSL datum) • Times in station local timezone.

5-Day Marine Wave Forecast

Today
Nov 14
3.0 ft
4s • NE
Sun
Nov 15
3.5 ft
4.2s • E
Mon
Nov 16
7.1 ft
5.8s • E
Tue
Nov 17
7.2 ft
6.2s • E
Wed
Nov 18
7.2 ft
6.3s • ESE

Weather Near Plaquemines Parish, Louisiana

Current Weather

61.2°F
Sunny
Conditions: Sunny
Humidity: 61%
Feels Like: 54°F
Wind: NE 15.4 mph
Wind Gusts: 15.4 mph
Pressure: 30.12 in
Precipitation: 0 in
Cloud Cover: 2%
Visibility: 19.3 mi
UV Index: 0

Five-Day Weather Forecast

Overcast
Sat
H: 65°F
L: 61°F
Overcast
Sun
H: 68°F
L: 62°F
Moderate Drizzle
Mon
H: 67°F
L: 61°F
Light Drizzle
Tue
H: 71°F
L: 67°F
Light Drizzle
Wed
H: 72°F
L: 70°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2.8 μg/m³
Good
PM10
3.9 μg/m³
Good
Ozone (O3)
81 μg/m³
Photochemical
NO2
1.2 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
125 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
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 62.6°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 20.5 mph
UV Index: 5.3

Air Quality

EPA Index 1 • Good
PM2.5
5.3 μg/m³
Good
PM10
7 μg/m³
Good
Ozone (O3)
86.3 μg/m³
Photochemical
NO2
0.9 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
121.5 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: Overcast
Average Temperature: 66.2°F
Average Humidity: 60%
Chance of Rain: 4%
Wind: 23.4 mph
UV Index: 5.2

Air Quality

EPA Index 2 • Moderate
PM2.5
9.9 μg/m³
Good
PM10
13.6 μg/m³
Good
Ozone (O3)
91 μg/m³
Photochemical
NO2
0.4 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
123 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
Monday, November 16, 2026

Weather Forecast

Conditions: Moderate Drizzle
Average Temperature: 65.1°F
Average Humidity: 74%
Chance of Rain: 39%
Wind: 28.5 mph
UV Index: 2.1

Air Quality

EPA Index 2 • Moderate
PM2.5
9.4 μg/m³
Good
PM10
14.3 μg/m³
Good
Ozone (O3)
89 μg/m³
Photochemical
NO2
0.6 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
127.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 41m daylight
Sunrise 6:23 AM
Solar Noon 11:43 AM
Sunset 5:04 PM
Moon
First Quarter • 42%
Moonrise 12:10 PM
Transit 5:40 PM
Moonset 11:17 PM

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
5:10 PM - 7:40 PM

Minor Periods

11:40 AM - 1:10 PM
10:47 PM - 12:17 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 68.4°F
Average Humidity: 74%
Chance of Rain: 29%
Wind: 25.2 mph
UV Index: 4.5

Air Quality

EPA Index 2 • Moderate
PM2.5
12.2 μg/m³
Moderate
PM10
19.9 μg/m³
Good
Ozone (O3)
88.5 μg/m³
Photochemical
NO2
0.5 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
122.9 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 39m daylight
Sunrise 6:24 AM
Solar Noon 11:43 AM
Sunset 5:03 PM
Moon
First Quarter • 54%
Moonrise 12:41 PM
Transit 6:23 PM
Moonset 1:06 AM

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
5:53 PM - 8:23 PM

Minor Periods

12:36 AM - 2:06 AM
12:11 PM - 1:41 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 70.9°F
Average Humidity: 75%
Chance of Rain: 13%
Wind: 22.5 mph
UV Index: 5.1

Air Quality

EPA Index 2 • Moderate
PM2.5
10.1 μg/m³
Good
PM10
17 μg/m³
Good
Ozone (O3)
85.5 μg/m³
Photochemical
NO2
0.5 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
142.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 38m daylight
Sunrise 6:25 AM
Solar Noon 11:43 AM
Sunset 5:03 PM
Moon
First Quarter • 65%
Moonrise 1:10 PM
Transit 7:06 PM
Moonset 12:13 AM

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
6:36 PM - 9:06 PM

Minor Periods

12:40 PM - 2:10 PM
11:43 PM - 1:13 AM
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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