Water Temperature of Barataria Bay in Grand Isle, LA

Current Water Temperature

88.7°F

Measurement Time: Wednesday, June 25, 2025, 4:12 AM CDT

Today's Tides

High: June 25, 9:55 AM, 1.62 ft
 Low: June 25, 9:29 PM, -0.52 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

73.4°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 92%
Feels Like: 77.1°F
Wind: SE 6.9 mph
Wind Gusts: 9.7 mph
Pressure: 30.13 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 86°F
L: 83°F
Sunny
Thu
H: 86°F
L: 82°F
Patchy rain nearby
Fri
H: 83°F
L: 79°F
Moderate rain
Sat
H: 87°F
L: 78°F
Heavy rain
Sun
H: 88°F
L: 77°F

Air Quality

PM2.5: 9.25 μg/m3
PM10: 13.69 μg/m3
Carbon Monoxide: 188.7 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:55 AM
Moon Transit: 1:23 PM
Moonset: 8:49 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
12:53 AM - 3:23 PM

Minor Periods

8:19 PM - 9:49 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued June 24 at 11:31PM CDT until June 25 at 7:00PM CDT by NWS New Orleans LA

Effective: Tue June 24, 2025, 11:31 PM
Expires: Wed June 25, 2025, 7:45 AM

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Louisiana around Lake Pontchartrain and southern and coastal Mississippi. * WHEN...From 10 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Wednesday, June 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.3°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 8.68 μg/m3
PM10: 12.78 μg/m3
Carbon Monoxide: 190.92 μg/m3
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 81.84 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:55 AM
Moon Transit: 1:23 PM
Moonset: 8:49 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
12:53 AM - 3:23 PM

Minor Periods

8:19 PM - 9:49 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Thursday, June 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.3°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 10.1 μg/m3
PM10: 13.8 μg/m3
Carbon Monoxide: 203.57 μg/m3
Nitrogen Dioxide: 1.71 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 91.32 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
Moonrise: 7:03 AM
Moon Transit: 2:24 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
1:54 PM - 4:24 PM

Minor Periods

9:10 PM - 10:40 PM
6:33 AM - 8:03 AM

Action Rating: 3 out of 5

Friday, June 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82.3°F
Average Humidity: 78%
Chance of Rain: 84%
Wind: 13.4 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 18.22 μg/m3
PM10: 21.57 μg/m3
Carbon Monoxide: 233.69 μg/m3
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 146.8 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 8:12 AM
Moon Transit: 3:21 PM
Moonset: 10:23 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

2:24 AM - 4:54 AM
2:51 PM - 5:21 PM

Minor Periods

9:53 PM - 11:23 PM
7:42 AM - 9:12 AM

Action Rating: 3 out of 5

Saturday, June 28, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 83.9°F
Average Humidity: 70%
Chance of Rain: 89%
Wind: 16.8 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 11.51 μg/m3
PM10: 17.7 μg/m3
Carbon Monoxide: 230.68 μg/m3
Nitrogen Dioxide: 1.32 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 91.62 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 9:17 AM
Moon Transit: 4:12 PM
Moonset: 10:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
3:42 PM - 6:12 PM

Minor Periods

10:29 PM - 11:59 PM
8:47 AM - 10:17 AM

Action Rating: 3 out of 5

Sunday, June 29, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 82.2°F
Average Humidity: 74%
Chance of Rain: 85%
Wind: 21.9 mph
UV Index: 0

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: 6:04 AM
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
Moonrise: 10:19 AM
Moon Transit: 4:58 PM
Moonset: 11:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
4:28 PM - 6:58 PM

Minor Periods

12:00 AM - 12:00 AM
9:49 AM - 11:19 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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