Water Temperature of Barataria Bay in Grand Isle, LA
Current Water Temperature
Measurement Time: Tuesday, January 27, 2026, 5:18 AM CST
Today's Tides
Low: January 27, 3:18 AM, -0.6 ft
High: January 27, 4:29 PM, 0.9 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

Tue
H: 50°F
L: 38°F

Wed
H: 53°F
L: 45°F

Thu
H: 57°F
L: 49°F

Fri
H: 58°F
L: 46°F

Sat
H: 39°F
L: 30°F
Air Quality
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 89 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:34 PM
Daylight: 10 hrs 42 mins
Moon Transit: 7:28 PM
Moonset: 1:41 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
6:30 AM - 9:00 AM6:58 PM - 9:28 PM
Minor Periods
11:42 AM - 1:12 PM1:11 AM - 2:41 AM
Action Rating: 3 out of 5
Extreme Cold Warning issued January 26 at 11:16AM CST until January 27 at 12:00PM CST by NWS New Orleans LA
Effective: Mon January 26, 2026, 11:16 AM
Expires: Tue January 27, 2026, 1:30 AM
* WHAT...Dangerously cold wind chills as low as 16. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until noon CST Tuesday. * 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. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit getagameplan.org or msema.org for assistance locating appropriate shelter from the cold.
Extreme Cold Warning issued January 27 at 12:04AM CST until January 27 at 12:00PM CST by NWS New Orleans LA
Effective: Tue January 27, 2026, 12:04 AM
Expires: Tue January 27, 2026, 12:00 PM
* WHAT...Dangerously cold wind chills as low as 15. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until noon CST today. * 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. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit getagameplan.org or msema.org for assistance locating appropriate shelter from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.76 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 87.2 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:34 PM
Daylight: 10 hrs 42 mins
Moon Transit: 7:28 PM
Moonset: 1:41 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
6:30 AM - 9:00 AM6:58 PM - 9:28 PM
Minor Periods
11:42 AM - 1:12 PM1:11 AM - 2:41 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 97.28 μg/m3
Astronomical
Sun Transit: 12:12 AM
Sunset: 5:35 PM
Daylight: 10 hrs 44 mins
Moon Transit: 8:31 PM
Moonset: 2:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
7:30 AM - 10:00 AM8:01 PM - 10:31 PM
Minor Periods
12:35 AM - 2:05 PM2:21 AM - 3:51 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.71 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 101.88 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: 2.84 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 105 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: 7.32 μg/m3
Sulphur Dioxide: 4.06 μg/m3
Ozone: 68.92 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
