Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

76.1°F

Measurement Time: Saturday, May 10, 2025, 10:36 PM CDT

Today's Tides

High: May 10, 8:43 AM, 1.10 ft
 Low: May 10, 7:27 PM, 0.05 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

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Barataria Bay

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

Elevation Above Sea Level: 16 feet / 5 meters

Sensor Depth: -4.1 feet / -1.2 meters

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

68.4°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 77%
Feels Like: 68.4°F
Wind: NNW 15.4 mph
Wind Gusts: 20.3 mph
Pressure: 29.94 in
Precipitation: 0.07 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Sat
H: 76°F
L: 68°F
Overcast
Sun
H: 71°F
L: 66°F
Heavy rain
Mon
H: 75°F
L: 70°F
Sunny
Tue
H: 75°F
L: 69°F
Sunny
Wed
H: 79°F
L: 75°F

Air Quality

AQI: 2 - Moderate
PM2.5: 14.06 μg/m3
PM10: 14.25 μg/m3
Carbon Monoxide: 323.75 μg/m3
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:56 AM
Sunset: 7:42 PM
Daylight: 13 hrs 31 mins
Moonrise: 6:12 PM
Moon Transit: 11:46 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

10:56 AM - 1:26 PM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:17 AM - 5:47 AM

Action Rating: 4 out of 5

Flood Warning issued May 10 at 11:59AM CDT until May 11 at 1:00AM CDT by NWS New Orleans LA

Effective: Sat May 10, 2025, 11:59 AM
Expires: Sun May 11, 2025, 1:00 AM

...The Flood Warning is extended for the following rivers in Louisiana... Mississippi River At Reserve affecting St. John The Baptist, St. Charles and St. James Parishes. Mississippi River At Donaldsonville affecting Ascension Parish. Mississippi River At Baton Rouge affecting West Baton Rouge and East Baton Rouge Parishes. Mississippi River At Red River Landing affecting West Feliciana, Pointe Coupee and East Baton Rouge Parishes. For the Lower Mississippi River...including Red River Landing, Baton Rouge, Donaldsonville, Reserve, New Orleans...Moderate flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Reserve. * WHEN...Until just after midnight tonight. * IMPACTS...At 22.0 feet, Marine and industrial interests along the river, upstream barge operators, and facilities are impacted. Navigation will become difficult for smaller river craft. Safety precautions for river traffic are urged. * ADDITIONAL DETAILS... - At 11:00 AM CDT Saturday the stage was 22.0 feet. - Bankfull stage is 15.0 feet. - Forecast...The river is expected to rise to a crest of 22.0 feet this afternoon. It will then fall below flood stage this evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued late tonight at 100 AM CDT.


Flood Warning issued May 10 at 11:59AM CDT until May 11 at 1:00AM CDT by NWS New Orleans LA

Effective: Sat May 10, 2025, 11:59 AM
Expires: Sun May 11, 2025, 1:00 AM

...The Flood Warning is extended for the following rivers in Louisiana... Mississippi River At Reserve affecting St. John The Baptist, St. Charles and St. James Parishes. Mississippi River At Donaldsonville affecting Ascension Parish. Mississippi River At Baton Rouge affecting West Baton Rouge and East Baton Rouge Parishes. Mississippi River At Red River Landing affecting West Feliciana, Pointe Coupee and East Baton Rouge Parishes. For the Lower Mississippi River...including Red River Landing, Baton Rouge, Donaldsonville, Reserve, New Orleans...Moderate flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Reserve. * WHEN...Until just after midnight tonight. * IMPACTS...At 22.0 feet, Marine and industrial interests along the river, upstream barge operators, and facilities are impacted. Navigation will become difficult for smaller river craft. Safety precautions for river traffic are urged. * ADDITIONAL DETAILS... - At 11:00 AM CDT Saturday the stage was 22.0 feet. - Bankfull stage is 15.0 feet. - Forecast...The river is expected to rise to a crest of 22.0 feet this afternoon. It will then fall below flood stage this evening. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued late tonight at 100 AM CDT.
Saturday, May 10, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 71.5°F
Average Humidity: 84%
Chance of Rain: 82%
Wind: 18.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 10.51 μg/m3
Carbon Monoxide: 318.42 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 100.52 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:56 AM
Sunset: 7:42 PM
Daylight: 13 hrs 31 mins
Moonrise: 6:12 PM
Moon Transit: 11:46 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

10:56 AM - 1:26 PM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:17 AM - 5:47 AM

Action Rating: 4 out of 5

Sunday, May 11, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 68.6°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 20.8 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.8 μg/m3
PM10: 13.22 μg/m3
Carbon Monoxide: 319.31 μg/m3
Nitrogen Dioxide: 5.34 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 107.4 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:56 AM
Sunset: 7:43 PM
Daylight: 13 hrs 32 mins
Moonrise: 7:07 PM
Moon Transit: 12:00 AM
Moonset: 5:16 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:38 AM - 2:08 PM

Minor Periods

6:37 PM - 8:07 PM
4:46 AM - 6:16 AM

Action Rating: 5 out of 5

Monday, May 12, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 72.6°F
Average Humidity: 78%
Chance of Rain: 88%
Wind: 23.9 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.76 μg/m3
PM10: 18.37 μg/m3
Carbon Monoxide: 292.15 μg/m3
Nitrogen Dioxide: 1.54 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 130.68 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:56 AM
Sunset: 7:43 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:04 PM
Moon Transit: 12:30 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
12:23 AM - 2:53 PM

Minor Periods

7:34 PM - 9:04 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Tuesday, May 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.4°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 12.32 μg/m3
PM10: 15.89 μg/m3
Carbon Monoxide: 282.75 μg/m3
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 120.84 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 12:56 AM
Sunset: 7:44 PM
Daylight: 13 hrs 35 mins
Moonrise: 9:02 PM
Moon Transit: 1:16 AM
Moonset: 6:26 AM
Moon Phase: Full
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
1:11 PM - 3:41 PM

Minor Periods

8:32 PM - 10:02 PM
5:56 AM - 7:26 AM

Action Rating: 4 out of 5

Wednesday, May 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 76.5°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 17.2 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 19.33 μg/m3
PM10: 30 μg/m3
Carbon Monoxide: 274.51 μg/m3
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 119.15 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:56 AM
Sunset: 7:44 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:59 PM
Moon Transit: 2:06 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

1:36 AM - 4:06 AM
2:02 PM - 4:32 PM

Minor Periods

9:29 PM - 10:59 PM
6:39 AM - 8:09 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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