Special Marine Warning Issued for Terrebonne Bay and Coastal Louisiana Waters

Source: NOAA · Coastal Louisiana

This alert is no longer in effect.

NOAA issued it on June 5, 2026, 2 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 a severe thunderstorm capable of producing waterspouts until 3:00 PM CDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Coastal Louisiana
Issued
June 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 2 months ago; use the issuing agency's live warning service for current conditions in Coastal Louisiana.

Alert Details

A Special Marine Warning has been issued by the National Weather Service in New Orleans. The alert is effective from 1:56 PM CDT on May 23, 2026, until 3:00 PM CDT on May 23, 2026.

Affected Areas

The warning covers Terrebonne Bay, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, and Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM.

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. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Expected Conditions

At 1:56 PM CDT, a severe thunderstorm capable of producing waterspouts was located 10 nm east of Eugene Island 189, or 23 nm southwest of Caillou Bay, moving east at 15 knots. Hazard includes wind gusts 34 knots or greater and waterspouts.

Timeline

The alert is in effect until 3:00 PM CDT on May 23, 2026.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS New Orleans has issued a Special Marine Warning for a severe thunderstorm capable of producing waterspouts until 3:00 PM CDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Coastal Louisiana. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.