Special Marine Warning Issued for Terrebonne Bay and Coastal Waters
This alert is no longer in effect.
NOAA issued it on May 12, 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 is in effect until 11:00 AM CDT for Terrebonne Bay and Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, with risks of waterspouts and wind gusts up to 34 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Louisiana
- Issued
- May 12, 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 Coastal Louisiana.
Alert Details
The National Weather Service in New Orleans has issued a Special Marine Warning, effective from 9:52 AM CDT on May 1, 2026, until 11:00 AM CDT on the same day.
Affected Areas
This warning affects Terrebonne Bay and Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm. Locations impacted include Isle Derniers and Caillou Bay.
What You Should Do
Strong winds will be dangerous for boaters. Boaters should avoid waterspouts and never try to navigate near them. Make sure all on board are wearing life jackets and seek shelter or move to safe harbor until hazardous weather passes.
Expected Conditions
A severe thunderstorm capable of producing waterspouts and wind gusts of 34 knots or greater is occurring.
Timeline
The alert is effective from 9:52 AM CDT on May 1, 2026, and ends at 11:00 AM CDT on May 1, 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 (869 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 12, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.