Special Marine Warning Issued for Mississippi Sound and Louisiana Coastal Waters Through 2:00 AM
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 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.
NWS New Orleans has issued a Special Marine Warning for coastal waters and sounds in Louisiana and Mississippi due to severe thunderstorms producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Louisiana and Mississippi Coastal Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS New Orleans
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 4 months ago; use the issuing agency's live warning service for current conditions in Louisiana and Mississippi Coastal Waters.
Alert Details
The National Weather Service in New Orleans has issued a Special Marine Warning effective until 2:00 AM CDT on March 12, 2026. This alert was triggered by radar-indicated severe thunderstorms moving through the region.
Affected Areas
The warning covers the following geographic regions:
- Mississippi Sound
- Chandeleur Sound
- Breton Sound
- Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon, LA (out 20 NM)
- Coastal waters from Boothville, LA to Southwest Pass of the Mississippi River (out 20 NM)
- Coastal waters from Pascagoula, MS to Stake Island (out 20 NM and 20 to 60 NM)
- Coastal waters from Stake Island, LA to Southwest Pass of the Mississippi River (20 to 60 NM)
Specific locations impacted include Pilottown.
What You Should Do
Boaters and individuals near the water should take immediate precautions. Strong winds are dangerous for small craft. Ensure all persons on board are wearing life jackets. Seek shelter or move to a safe harbor immediately until the hazardous weather passes. Additionally, a Tornado Watch remains in effect for southeastern Louisiana and adjacent coastal waters until 2:00 AM CDT.
Expected Conditions
At 1:00 AM CDT, a line of severe thunderstorms was located from Portersville Bay to near Venice, moving southeast at 25 knots. Hazards include wind gusts of 34 knots or greater. These conditions are expected to cause suddenly higher waves, which could damage small craft.
Timeline
The Special Marine Warning is in effect from 1:00 AM CDT until 2:00 AM CDT on March 12, 2026.
Original source: NOAA Official Notice ↗
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