Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

88.3°F

Measurement Time: Monday, June 29, 2026, 2:30 AM CDT

Today's Tides

 High: June 29, 9:45 AM, 1.4 ft
Low: June 29, 9:07 PM, -0.3 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

75.6°F
Clear
Clear
78.9°F
93.4°F
88%
SSW 8.3 mph
11.6 mph
84.2°F
76.3°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 86°F
L: 84°F
Sunny
Tue
H: 87°F
L: 82°F
Sunny
Wed
H: 86°F
L: 78°F
Sunny
Thu
H: 86°F
L: 80°F
Sunny
Fri
H: 86°F
L: 83°F

Air Quality

PM2.5: 13 μg/m3
PM10: 24.9 μg/m3
Carbon Monoxide: 92 μg/m3
Nitrogen Dioxide: 0.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 8:15 PM
Moon Transit: 12:26 AM
Moonset: 5:27 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 PM

Minor Periods

7:45 PM - 9:15 PM
4:57 AM - 6:27 AM

Action Rating: 5 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
85.5°F
84°F
84.6°F
71%
0 in
6%
0%
12.3 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 10.6 μg/m3
PM10: 19.05 μg/m3
Carbon Monoxide: 92.38 μg/m3
Nitrogen Dioxide: 0.48 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 53.42 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 8:15 PM
Moon Transit: 12:26 AM
Moonset: 5:27 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 PM

Minor Periods

7:45 PM - 9:15 PM
4:57 AM - 6:27 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
86.7°F
81.7°F
84.1°F
68%
0.02 in
36%
0%
13.2 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 14.46 μg/m3
Carbon Monoxide: 93.63 μg/m3
Nitrogen Dioxide: 0.57 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 56.88 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 8:58 PM
Moon Transit: 1:17 AM
Moonset: 6:23 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
1:13 PM - 3:43 PM

Minor Periods

8:28 PM - 9:58 PM
5:53 AM - 7:23 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
86°F
78°F
82.2°F
74%
0.96 in
76%
0%
9.2 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 10.34 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 96.08 μg/m3
Nitrogen Dioxide: 0.94 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 81.5 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 13 hrs 59 mins
Moonrise: 9:37 PM
Moon Transit: 2:07 AM
Moonset: 7:20 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
2:01 PM - 4:31 PM

Minor Periods

9:07 PM - 10:37 PM
6:50 AM - 8:20 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
86°F
80°F
83.3°F
71%
0.01 in
36%
0%
13.6 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 13.23 μg/m3
Carbon Monoxide: 117.75 μg/m3
Nitrogen Dioxide: 1.12 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 94.5 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:04 PM
Sunset: 8:03 PM
Daylight: 13 hrs 59 mins
Moonrise: 10:11 PM
Moon Transit: 2:54 AM
Moonset: 8:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
2:48 PM - 5:18 PM

Minor Periods

9:41 PM - 11:11 PM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
85.8°F
82.8°F
84.3°F
69%
0 in
7%
0%
10.7 mph
7


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:04 PM
Sunset: 8:03 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:43 PM
Moon Transit: 3:40 AM
Moonset: 9:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
3:32 PM - 6:02 PM

Minor Periods

10:13 PM - 11:43 PM
8:45 AM - 10:15 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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