Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

85.1°F

Measurement Time: Monday, September 28, 2026, 6:54 PM CDT

Today's Tides

Low: September 28, 8:51 AM, 0.5 ft
 High: September 28, 11:05 PM, 1.5 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

83°F
Mostly Clear
Mostly Clear
65%
S 5 mph
70°F

Weather Forecast

Mostly Clear
Tonight
81°F - Mostly Clear
Sunny
Tuesday
85°F - Sunny
Mostly Clear
Tuesday Night
81°F - Mostly Clear
Sunny then Slight Chance Showers And Thunderstorms
Wednesday
85°F - Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Clear
Wednesday Night
81°F - Slight Chance Showers And Thunderstorms then Mostly Clear
Chance Showers And Thunderstorms
Thursday
86°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday Night
81°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Friday
85°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Friday Night
80°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Saturday
85°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Saturday Night
80°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday
85°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday Night
79°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Monday
83°F - Showers And Thunderstorms Likely

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:50 AM
Sunset: 6:49 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:55 PM
Moon Transit: 2:00 AM
Moonset: 8:49 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
1:55 PM - 4:25 PM

Minor Periods

7:25 PM - 8:55 PM
8:19 AM - 9:49 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 12:50 AM
Sunset: 6:49 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:55 PM
Moon Transit: 2:00 AM
Moonset: 8:49 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
1:55 PM - 4:25 PM

Minor Periods

7:25 PM - 8:55 PM
8:19 AM - 9:49 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 12:50 AM
Sunset: 6:48 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:38 PM
Moon Transit: 2:51 AM
Moonset: 9:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
2:49 PM - 5:19 PM

Minor Periods

8:08 PM - 9:38 PM
9:26 AM - 10:56 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 12:50 AM
Sunset: 6:48 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:38 PM
Moon Transit: 2:51 AM
Moonset: 9:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
2:49 PM - 5:19 PM

Minor Periods

8:08 PM - 9:38 PM
9:26 AM - 10:56 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 12:49 AM
Sunset: 6:47 PM
Daylight: 11 hrs 54 mins
Moonrise: 9:26 PM
Moon Transit: 3:47 AM
Moonset: 11:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
3:48 PM - 6:18 PM

Minor Periods

8:56 PM - 10:26 PM
10:35 AM - 12:05 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 12:49 AM
Sunset: 6:47 PM
Daylight: 11 hrs 54 mins
Moonrise: 9:26 PM
Moon Transit: 3:47 AM
Moonset: 11:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
3:48 PM - 6:18 PM

Minor Periods

8:56 PM - 10:26 PM
10:35 AM - 12:05 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 12:49 AM
Sunset: 6:46 PM
Daylight: 11 hrs 52 mins
Moonrise: 10:24 PM
Moon Transit: 4:48 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
4:49 PM - 7:19 PM

Minor Periods

9:54 PM - 11:24 PM
11:44 AM - 1:14 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:53 AM
Sun Transit: 12:49 AM
Sunset: 6:46 PM
Daylight: 11 hrs 52 mins
Moonrise: 10:24 PM
Moon Transit: 4:48 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
4:49 PM - 7:19 PM

Minor Periods

9:54 PM - 11:24 PM
11:44 AM - 1:14 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:49 AM
Sunset: 6:44 PM
Daylight: 11 hrs 51 mins
Moonrise: 11:27 PM
Moon Transit: 5:50 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
5:52 PM - 8:22 PM

Minor Periods

12:00 AM - 12:00 AM
12:48 AM - 2:18 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:49 AM
Sunset: 6:44 PM
Daylight: 11 hrs 51 mins
Moonrise: 11:27 PM
Moon Transit: 5:50 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
5:52 PM - 8:22 PM

Minor Periods

12:00 AM - 12:00 AM
12:48 AM - 2:18 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:48 AM
Sunset: 6:43 PM
Daylight: 11 hrs 49 mins
Moonrise: 12:27 AM
Moon Transit: 6:53 AM
Moonset: 2:15 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:54 PM - 9:24 PM

Minor Periods

1:45 PM - 3:15 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:48 AM
Sunset: 6:43 PM
Daylight: 11 hrs 49 mins
Moonrise: 12:27 AM
Moon Transit: 6:53 AM
Moonset: 2:15 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:54 PM - 9:24 PM

Minor Periods

1:45 PM - 3:15 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 12:48 AM
Sunset: 6:42 PM
Daylight: 11 hrs 47 mins
Moonrise: 12:36 AM
Moon Transit: 7:53 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:23 AM - 9:53 AM
7:52 PM - 10:22 PM

Minor Periods

2:34 PM - 4:04 PM
12:06 AM - 1:36 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 12:48 AM
Sunset: 6:42 PM
Daylight: 11 hrs 47 mins
Moonrise: 12:36 AM
Moon Transit: 7:53 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:23 AM - 9:53 AM
7:52 PM - 10:22 PM

Minor Periods

2:34 PM - 4:04 PM
12:06 AM - 1:36 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 12:48 AM
Sunset: 6:41 PM
Daylight: 11 hrs 45 mins
Moonrise: 1:44 AM
Moon Transit: 8:49 AM
Moonset: 3:46 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
8:45 PM - 11:15 PM

Minor Periods

3:16 PM - 4:46 PM
1:14 AM - 2:44 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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