Severe Tropical Storm Warning | Effective 07/21/2026 14:19

Headline: 
Tropical Storm Warning issued July 21 at 4:19PM CDT by NWS New Orleans LA
Event: 
Tropical Storm Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 2:19pm
Expires: 
July 22, 2026 - 4:30am
Description: 
* WHAT...Southwest winds 30 to 40 kt with gusts up to 55 kt and seas 8 to 13 ft. * WHERE...Portions of the Gulf including Lake Borgne, Breton Sound, Chandeleur Sound. * WHEN...Tropical Storm force winds possible until Wednesday afternoon. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Instruction: 
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Area Description: 
Mississippi Sound; Lake Borgne; Breton Sound; Chandeleur Sound; Barataria Bay; Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM; Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM
Forcast Office: 
NWS New Orleans LA