Water Temperature of Barataria Bay in Grand Isle, LA
Current Water Temperature
Measurement Time: Thursday, January 29, 2026, 9:24 PM CST
Today's Tides
Low: January 29, 5:18 AM, -0.9 ft
High: January 29, 6:44 PM, 1.0 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 MexicoStation 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

Five Day Weather Forecast

Thu
H: 55°F
L: 51°F

Fri
H: 59°F
L: 46°F

Sat
H: 37°F
L: 34°F

Sun
H: 45°F
L: 32°F

Mon
H: 52°F
L: 43°F
Air Quality
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:36 PM
Daylight: 10 hrs 45 mins
Moon Transit: 9:36 PM
Moonset: 4:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
8:33 AM - 11:03 AM9:06 PM - 11:36 PM
Minor Periods
1:37 PM - 3:07 PM3:30 AM - 5:00 AM
Action Rating: 2 out of 5
Freeze Warning issued January 29 at 4:16AM CST until January 29 at 8:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 14 possible. * WHERE...Central Plaquemines, Coastal Jefferson Parish, Lower Jefferson, Lower Lafourche, Lower Terrebonne, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, and Western Orleans Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Extreme Cold Watch issued January 29 at 4:16AM CST until February 1 at 10:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 14 possible. * WHERE...Central Plaquemines, Coastal Jefferson Parish, Lower Jefferson, Lower Lafourche, Lower Terrebonne, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, and Western Orleans Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Extreme Cold Watch issued January 29 at 4:16AM CST until February 1 at 10:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM
* WHAT...Dangerously cold wind chills as low as 9 above possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From late Friday night through Sunday morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.
Dress in layers including a hat, face mask, and gloves if you must go outside.
Extreme Cold Warning issued January 29 at 9:32AM CST until February 1 at 10:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 9:32 AM
Expires: Thu January 29, 2026, 11:45 PM
* WHAT...Dangerously cold wind chills as low as 10 above expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From midnight Friday Night to 10 AM CST Sunday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.
Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Keep pets indoors as much as possible.
Freeze Warning issued January 29 at 4:16AM CST until January 29 at 8:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 13 possible. * WHERE...Assumption, St. Charles, St. James, St. John The Baptist, Upper Lafourche, and Upper Terrebonne Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Extreme Cold Watch issued January 29 at 4:16AM CST until February 1 at 10:00AM CST by NWS New Orleans LA
Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 13 possible. * WHERE...Assumption, St. Charles, St. James, St. John The Baptist, Upper Lafourche, and Upper Terrebonne Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 102 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:36 PM
Daylight: 10 hrs 45 mins
Moon Transit: 9:36 PM
Moonset: 4:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
8:33 AM - 11:03 AM9:06 PM - 11:36 PM
Minor Periods
1:37 PM - 3:07 PM3:30 AM - 5:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 102.88 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:36 PM
Daylight: 10 hrs 46 mins
Moon Transit: 10:39 PM
Moonset: 5:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
9:38 AM - 12:08 AM12:00 AM - 12:00 AM
Minor Periods
2:45 PM - 4:15 PM4:33 AM - 6:03 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 85.28 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:37 PM
Daylight: 10 hrs 48 mins
Moon Transit: 11:39 PM
Moonset: 5:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
10:40 AM - 1:10 PM12:00 AM - 12:00 AM
Minor Periods
3:57 PM - 5:27 PM5:28 AM - 6:58 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 76.96 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:38 PM
Daylight: 10 hrs 49 mins
Moon Transit: 12:00 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:37 AM - 2:07 PM
Minor Periods
5:06 PM - 6:36 PM6:15 AM - 7:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 81.38 μg/m3
Astronomical
Sun Transit: 12:13 AM
Sunset: 5:39 PM
Daylight: 10 hrs 51 mins
Moon Transit: 12:34 AM
Moonset: 7:23 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
12:04 AM - 2:34 AM12:30 AM - 3:00 PM
Minor Periods
6:12 PM - 7:42 PM6:53 AM - 8:23 AM
Action Rating: 4 out of 5
