Louisiana Minor Coastal Flood Advisory | Effective 07/21/2026 08:12

Headline: 
Coastal Flood Advisory issued July 21 at 10:12AM CDT until July 23 at 4:00AM CDT by NWS New Orleans LA
Event: 
Coastal Flood Advisory
Urgency: 
Expected
Effective: 
July 21, 2026 - 8:12am
Expires: 
July 21, 2026 - 10:15pm
Description: 
* WHAT...Minor coastal flooding. * WHERE...St. John The Baptist, Southwestern St. Tammany, Lower Tangipahoa, Coastal Jefferson, Lower Lafourche, Lower Terrebonne and Upper St. Charles Parishes. * WHEN...Until 4 AM CDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Inundation is expected to be 1-3 feet along the coast in the advised area.
Instruction: 
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Area Description: 
St. John The Baptist; Southwestern St. Tammany; Lower Tangipahoa; Coastal Jefferson; Lower Lafourche; Lower Terrebonne; Upper St. Charles
Forcast Office: 
NWS New Orleans LA