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 Watch issued January 9 at 12:31PM CST until January 10 at 9:00AM CST by NWS New Orleans LA

Effective: Fri January 9, 2026, 12:31 PM
Expires: Sat January 10, 2026, 12:45 AM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Plaquemines, Central Tangipahoa, East Baton Rouge, East Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower Jefferson, Lower Tangipahoa, Northern Livingston, Northern St. Tammany, Northern Tangipahoa, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Charles, St. Helena, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper Terrebonne, Washington, West Baton Rouge, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Amite, Northern Hancock, Pearl River, Pike, Southern Hancock and Walthall. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Widespread 2 to 4 inches of rain is expected to fall within the watch timeframe with localized amounts possibly around 6 inches. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.