Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

81.0°F

Measurement Time: Tuesday, May 19, 2026, 7:24 PM CDT

Today's Tides

 High: May 19, 11:53 AM, 1.6 ft
Low: May 19, 11:42 PM, -0.4 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

79.2°F
Patchy rain nearby
Patchy rain nearby
84.7°F
84.7°F
83%
SE 15.9 mph
23.2 mph
79.2°F
73.5°F
0 in
82%
6 mi
1018 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 80°F
L: 79°F
Sunny
Wed
H: 79°F
L: 78°F
Sunny
Thu
H: 80°F
L: 78°F
Patchy rain nearby
Fri
H: 80°F
L: 78°F
Patchy rain nearby
Sat
H: 80°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 9.75 μg/m3
PM10: 14.75 μg/m3
Carbon Monoxide: 116.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:56 AM
Sunset: 7:47 PM
Daylight: 13 hrs 42 mins
Moonrise: 8:37 AM
Moon Transit: 4:03 PM
Moonset: 11:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
3:33 PM - 6:03 PM

Minor Periods

12:00 AM - 12:00 AM
8:07 AM - 9:37 AM

Action Rating: 2 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
79.9°F
78.5°F
79.2°F
87%
0.01 in
85%
0%
18.6 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 8.54 μg/m3
PM10: 13.05 μg/m3
Carbon Monoxide: 119.77 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 65.76 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:56 AM
Sunset: 7:47 PM
Daylight: 13 hrs 42 mins
Moonrise: 8:37 AM
Moon Transit: 4:03 PM
Moonset: 11:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
3:33 PM - 6:03 PM

Minor Periods

12:00 AM - 12:00 AM
8:07 AM - 9:37 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
79.4°F
77.8°F
78.5°F
82%
0 in
0%
0%
14.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 7.84 μg/m3
PM10: 11.78 μg/m3
Carbon Monoxide: 114.45 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 66.32 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:56 AM
Sunset: 7:48 PM
Daylight: 13 hrs 43 mins
Moonrise: 9:48 AM
Moon Transit: 5:04 PM
Moonset: 12:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

4:04 AM - 6:34 AM
4:34 PM - 7:04 PM

Minor Periods

9:18 AM - 10:48 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
79.5°F
77.9°F
78.7°F
81%
0 in
0%
0%
14.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.62 μg/m3
PM10: 9.79 μg/m3
Carbon Monoxide: 108.14 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 67.24 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:56 AM
Sunset: 7:49 PM
Daylight: 13 hrs 44 mins
Moonrise: 10:58 AM
Moon Transit: 6:00 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
5:30 PM - 8:00 PM

Minor Periods

10:28 AM - 11:58 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
80.1°F
78.2°F
79.1°F
82%
0.03 in
81%
0%
15.4 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 11.99 μg/m3
Carbon Monoxide: 104.56 μg/m3
Nitrogen Dioxide: 1.39 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 65.36 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:56 AM
Sunset: 7:49 PM
Daylight: 13 hrs 45 mins
Moonrise: 12:04 AM
Moon Transit: 6:51 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
6:21 PM - 8:51 PM

Minor Periods

11:34 AM - 1:04 PM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
79.9°F
78.7°F
79.3°F
83%
0 in
0%
0%
16.6 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.58 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 1.46 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 71.77 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:56 AM
Sunset: 7:50 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:06 PM
Moon Transit: 7:37 PM
Moonset: 1:31 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
7:07 PM - 9:37 PM

Minor Periods

12:36 AM - 2:06 PM
1:01 AM - 2:31 AM

Action Rating: 2 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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