Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

56.7°F

Measurement Time: Tuesday, January 20, 2026, 2:06 PM CST

Today's Tides

Low: January 20, 9:01 AM, -0.5 ft
 High: January 20, 10:44 PM, 0.7 ft

Temperature Locations

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Local Points of Interest

Bayou Fifi; Barataria Pass; Grand Isle State Park; Fifi Island; Bay Des Ilettes; Mendicant Island; Gulf of Mexico

Barataria Bay

Station Name: Grand Isle
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 16 feet

Sensor Depth: -4 feet

Nearest Address:
93 Aquasport Dr
Grand Isle, LA 70358
Jefferson County

GPS Coordinates: 29.263, -89.957

Nearby Water Temperatures

Gulf of Mexico, Plaquemines Parish, LA (26.6 mi)
Southwest Pass, Venice, LA (40.3 mi)
Mississippi River, Pilottown, LA (42.5 mi)
Lake Borgne, Shell Beach, LA (45.2 mi)
Bayou Gauche, Bayou Gauche, LA (45.8 mi)
Mississippi River, New Orleans, LA (47.5 mi)
Mississippi Sound, Waveland, MS (71.7 mi)
Mississippi Sound, Pass Christian, MS (79.8 mi)
Lower Atchafalaya River, Berwick, LA (81.9 mi)
Bay of St. Louis, Bay St. Louis, MS (82.6 mi)
Atchafalaya Bay, Morgan City, LA (84.2 mi)
Atchafalaya Bay, Morgan City, LA (86.3 mi)
Mississippi Sound, Biloxi, MS (93.8 mi)
Biloxy Bay, Biloxi, MS (101.9 mi)
Mississippi Sound, Pascagoula, MS (109.5 mi)

Weather for Grand Isle, Louisiana

Current Weather

62.4°F
Sunny
Sunny
62.4°F
58.4°F
45%
ENE 13.6 mph
16.6 mph
55.5°F
46.6°F
0 in
0%
9 mi
1030 mbar
3

Five Day Weather Forecast

Sunny
Tue
H: 59°F
L: 55°F
Overcast
Wed
H: 66°F
L: 58°F
Heavy rain
Thu
H: 65°F
L: 62°F
Patchy rain nearby
Fri
H: 67°F
L: 58°F
Patchy rain nearby
Sat
H: 69°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 9.75 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:10 AM
Sunset: 5:28 PM
Daylight: 10 hrs 34 mins
Moonrise: 8:14 AM
Moon Transit: 1:46 PM
Moonset: 7:25 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
1:16 PM - 3:46 PM

Minor Periods

6:55 PM - 8:25 PM
7:44 AM - 9:14 AM

Action Rating: 3 out of 5

Tuesday, January 20, 2026

Weather Forecast

Sunny
59°F
54.9°F
57.1°F
65%
0 in
0%
0%
19 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 4.71 μg/m3
PM10: 5.51 μg/m3
Carbon Monoxide: 159.81 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 2.67 μg/m3
Ozone: 90.44 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:10 AM
Sunset: 5:28 PM
Daylight: 10 hrs 34 mins
Moonrise: 8:14 AM
Moon Transit: 1:46 PM
Moonset: 7:25 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
1:16 PM - 3:46 PM

Minor Periods

6:55 PM - 8:25 PM
7:44 AM - 9:14 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Overcast
65.6°F
57.9°F
63.5°F
79%
0 in
0%
0%
18.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 10.89 μg/m3
Carbon Monoxide: 148.57 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 94.48 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:11 AM
Sunset: 5:29 PM
Daylight: 10 hrs 35 mins
Moonrise: 8:46 AM
Moon Transit: 2:31 PM
Moonset: 8:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
2:01 PM - 4:31 PM

Minor Periods

7:55 PM - 9:25 PM
8:16 AM - 9:46 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Heavy rain
64.8°F
61.5°F
64°F
95%
1.72 in
83%
0%
21.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 10.1 μg/m3
PM10: 13.78 μg/m3
Carbon Monoxide: 137.81 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 92.16 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:11 AM
Sunset: 5:30 PM
Daylight: 10 hrs 36 mins
Moonrise: 9:15 AM
Moon Transit: 12:00 AM
Moonset: 9:24 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:24 AM - 4:54 AM

Minor Periods

8:54 PM - 10:24 PM
8:45 AM - 10:15 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Patchy rain nearby
67°F
58.1°F
64.2°F
89%
0.18 in
84%
0%
24.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.94 μg/m3
PM10: 12.13 μg/m3
Carbon Monoxide: 131.29 μg/m3
Nitrogen Dioxide: 2.07 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 87.12 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:11 AM
Sunset: 5:31 PM
Daylight: 10 hrs 37 mins
Moonrise: 9:45 AM
Moon Transit: 8:54 AM
Moonset: 10:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:24 AM - 10:54 AM

Minor Periods

9:55 PM - 11:25 PM
9:15 AM - 10:45 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Patchy rain nearby
69.3°F
49.1°F
57.8°F
90%
0.06 in
86%
0%
24.8 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 6.19 μg/m3
Carbon Monoxide: 131.9 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 76.62 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:11 AM
Sunset: 5:31 PM
Daylight: 10 hrs 39 mins
Moonrise: 10:16 AM
Moon Transit: 4:47 PM
Moonset: 11:27 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
4:17 PM - 6:47 PM

Minor Periods

12:00 AM - 12:00 AM
9:46 AM - 11:16 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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