Special Marine Warning for Mississippi Sound and Chandeleur Sound
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NWS New Orleans has issued a Special Marine Warning for Mississippi Sound and Chandeleur Sound until 3:30 AM CDT due to severe thunderstorms capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Mississippi Sound and Chandeleur Sound
- Issued
- August 27, 2026
- Issuing authority
- NWS New Orleans LA
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Special Marine Warning issued by NWS New Orleans LA. Effective from 2026-08-27T02:36:00-05:00 until 2026-08-27T03:30:00-05:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Mississippi Sound and Chandeleur Sound. Locations impacted include Cat Island, Bay St. Louis, Waveland, Long Beach, Pass Christian, and Gulfport.
What You Should Do
Strong winds will be dangerous for boaters or anyone near the water. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes.
Expected Conditions
At 235 AM CDT, a cluster of severe thunderstorms capable of producing waterspouts was located over Bay St. Louis, moving southwest at 10 knots. Hazards include waterspouts, wind gusts to 40 knots, and small hail.
Timeline
Alert effective immediately from 2:36 AM CDT and expires at 3:30 AM CDT on August 27, 2026.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (916 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 27, 2026.
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