Water Temperature of Barataria Bay in Grand Isle, LA
Current Water Temperature
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 MexicoSponsored Content
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

Humidity: 92%
Feels Like: 77.1°F
Wind: SE 6.9 mph
Wind Gusts: 9.7 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 86°F
L: 83°F

Thu
H: 86°F
L: 82°F

Fri
H: 83°F
L: 79°F

Sat
H: 87°F
L: 78°F

Sun
H: 88°F
L: 77°F
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
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 AM12:53 AM - 3:23 PM
Minor Periods
8:19 PM - 9:49 PM5:25 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.
Weather Forecast
Average Temperature: 84.3°F
Average Humidity: 79%
Wind: 13.4 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 81.84 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
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 AM12:53 AM - 3:23 PM
Minor Periods
8:19 PM - 9:49 PM5:25 AM - 6:55 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 84.3°F
Average Humidity: 79%
Wind: 13.4 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 1.71 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 91.32 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:03 PM
Daylight: 14 hrs 1 mins
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 AM1:54 PM - 4:24 PM
Minor Periods
9:10 PM - 10:40 PM6:33 AM - 8:03 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 82.3°F
Average Humidity: 78%
Wind: 13.4 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 146.8 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
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 AM2:51 PM - 5:21 PM
Minor Periods
9:53 PM - 11:23 PM7:42 AM - 9:12 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 83.9°F
Average Humidity: 70%
Wind: 16.8 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 1.32 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 91.62 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
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 AM3:42 PM - 6:12 PM
Minor Periods
10:29 PM - 11:59 PM8:47 AM - 10:17 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 82.2°F
Average Humidity: 74%
Wind: 21.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:03 PM
Daylight: 14 hrs mins
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 AM4:28 PM - 6:58 PM
Minor Periods
12:00 AM - 12:00 AM9:49 AM - 11:19 AM
Action Rating: 2 out of 5