Special Marine Warning for Coastal Waters off Louisiana

Source: NOAA · Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm

This alert is no longer in effect.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 has been issued by NWS New Orleans LA for coastal waters from Stake Island LA to Southwest Pass, with hazards including waterspouts and wind gusts up to 40 knots until 6:30 AM CDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm
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 Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm.

Alert Details

A Special Marine Warning has been issued by the National Weather Service (NWS) New Orleans LA. This alert is effective from 5:39 AM CDT on May 2, 2026, until 6:30 AM CDT on the same day.

Affected Areas

The warning covers the Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River, specifically from 20 to 60 nautical miles.

What You Should Do

Strong winds pose a danger to boaters and those near the water. Ensure all on board are wearing life jackets and seek shelter or move to safe harbor until the hazardous weather passes.

Expected Conditions

Hazards include waterspouts, wind gusts up to 40 knots, and large hail. A cluster of severe thunderstorms is moving east at 35 knots over mainly open waters.

Timeline

The alert is effective from 5:39 AM CDT on May 2, 2026, and ends at 6:30 AM CDT on May 2, 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?
A Special Marine Warning has been issued by NWS New Orleans LA for coastal waters from Stake Island LA to Southwest Pass, with hazards including waterspouts and wind gusts up to 40 knots until 6:30 AM 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 Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm. 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.