Special Marine Warning Issued for Mississippi Sound and Coastal Waters
This alert is no longer in effect.
NOAA issued it on May 5, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Special Marine Warning has been issued by NWS New Orleans LA for Mississippi Sound and surrounding areas, with hazards including waterspouts and high winds until 11:00 AM CDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Mississippi and Louisiana Coastal Waters
- Issued
- May 5, 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: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Mississippi and Louisiana Coastal Waters.
Alert Details
The National Weather Service in New Orleans LA has issued a Special Marine Warning, effective from 9:30 AM CDT on April 26, 2026, until 11:00 AM CDT on the same day.
Affected Areas
The warning affects Mississippi Sound, Lake Borgne, Chandeleur Sound, and Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM. Specific locations impacted include Cat Island, Pass Christian, Horn Island, Ship Island, Lake Borgne, and Pascagoula.
What You Should Do
Seek shelter or move to safe harbor immediately. Boaters should seek safe harbor immediately to avoid dangers from high winds and suddenly higher waves.
Expected Conditions
Hazards include waterspouts, wind gusts in excess of 40 to 50 knots, and large hail. These conditions can capsize boats, damage vessels and oil rigs, and create higher waves.
Timeline
The alert is effective from 9:30 AM CDT on April 26, 2026, and ends at 11:00 AM CDT on April 26, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (955 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 5, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.