Station 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

Flood Advisory issued May 20 at 5:22PM CDT until May 20 at 8:30PM CDT by NWS New Orleans LA

Effective: Wed May 20, 2026, 5:22 PM
Expires: Wed May 20, 2026, 8:30 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Jefferson, Orleans, St. Bernard and St. Charles. * WHEN...Until 830 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 522 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... New Orleans, Kenner, Metairie, Marrero, Harvey, Avondale, Chalmette, East New Orleans, Jefferson, Gretna, Harahan, Westwego, Bridge City, Elmwood, Terrytown, Arabi, River Ridge, Waggaman, Ama and St. Rose. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Flood Advisory issued May 20 at 4:52PM CDT until May 20 at 8:00PM CDT by NWS New Orleans LA

Effective: Wed May 20, 2026, 4:52 PM
Expires: Wed May 20, 2026, 8:00 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Assumption, Lafourche and Terrebonne. * WHEN...Until 800 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 452 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Thibodaux, Schriever, Labadieville, Gray, Supreme, Chackbay, Bayou Cane, South Vacherie and Raceland. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.