Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

73.9°F

Measurement Time: Tuesday, October 20, 2026, 12:54 AM CDT

Today's Tides

 High: October 20, 4:22 AM, 1.4 ft
Low: October 20, 4:16 PM, 0.5 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

72.5°F
Clear
Conditions: Clear
Humidity: 72%
Feels Like: 68.5°F
Wind: ENE 15 mph
Wind Gusts: 18.6 mph
Pressure: 30.15 in
Precipitation: 0 in
Cloud Cover: 5%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Tue
H: 75°F
L: 71°F
Sunny
Wed
H: 75°F
L: 69°F
Sunny
Thu
H: 75°F
L: 68°F

Air Quality

PM2.5: 6.6 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 118 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:44 AM
Sunset: 6:25 PM
Daylight: 11 hrs 20 mins
Moonrise: 3:14 PM
Moon Transit: 8:48 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 70.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
8:18 PM - 10:48 PM

Minor Periods

2:44 PM - 4:14 PM
1:02 AM - 2:32 AM

Action Rating: 2 out of 5

Tuesday, October 20, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 72.7°F
Average Humidity: 66%
Chance of Rain: 17%
Wind: 20.6 mph
UV Index: 6.8

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: 7:04 AM
Sun Transit: 12:44 AM
Sunset: 6:25 PM
Daylight: 11 hrs 20 mins
Moonrise: 3:14 PM
Moon Transit: 8:48 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 70.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
8:18 PM - 10:48 PM

Minor Periods

2:44 PM - 4:14 PM
1:02 AM - 2:32 AM

Action Rating: 2 out of 5

Wednesday, October 21, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 72°F
Average Humidity: 56%
Chance of Rain: 5%
Wind: 15.4 mph
UV Index: 6.8

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: 7:05 AM
Sun Transit: 12:44 AM
Sunset: 6:24 PM
Daylight: 11 hrs 19 mins
Moonrise: 3:44 PM
Moon Transit: 9:32 PM
Moonset: 2:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.1%

Best Times for Fishing or Hunting

Major Periods

8:41 AM - 11:11 AM
9:02 PM - 11:32 PM

Minor Periods

3:14 PM - 4:44 PM
2:00 AM - 3:30 AM

Action Rating: 2 out of 5

Thursday, October 22, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 72.2°F
Average Humidity: 54%
Chance of Rain: 2%
Wind: 14.3 mph
UV Index: 6.6

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: 7:06 AM
Sun Transit: 12:44 AM
Sunset: 6:23 PM
Daylight: 11 hrs 17 mins
Moonrise: 4:14 PM
Moon Transit: 12:00 AM
Moonset: 3:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:24 AM - 11:54 AM

Minor Periods

3:44 PM - 5:14 PM
2:57 AM - 4:27 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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