Special Marine Warning Issued for Lake Salvador and Lake Cataouatche
According to the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, the CDC PLACES population-level health analysis, and the CMS Hospital Compare quality data, Areazine publishes editorial articles drawing on more than 19,000 U.S. city profiles. See our methodology for full source attribution and refresh cadence.
NWS New Orleans has issued a Special Marine Warning for Lake Salvador and Lake Cataouatche until 5:30 PM CDT due to severe thunderstorms producing wind gusts to 40 knots and small hail.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on June 4, 2026 and geographically references Lake Salvador and Lake Cataouatche. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Special Marine Warning, Lake Salvador) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.
Alert Details
A Special Marine Warning (event code MAW) has been issued by the National Weather Service in New Orleans LA. The alert is effective from May 22, 2026 at 4:28 PM CDT and expires May 22, 2026 at 5:30 PM CDT.
Affected Areas
The warning covers Lake Salvador and Lake Cataouatche.
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 these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service.
Expected Conditions
At 4:28 PM CDT, a cluster of severe thunderstorms was located 16 nm south of Kenner, moving northeast at 25 knots. Hazards include wind gusts to 40 knots and small hail. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The alert is in effect from May 22, 2026 at 4:28 PM CDT until May 22, 2026 at 5:30 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.
What is this NWS weather alert about? ▾
Which agency issued this alert? ▾
How severe is this alert? ▾
What area is affected? ▾
Where can I find more Weather Alerts updates? ▾
Primary source data
EPA Outdoor Air Quality Data
Federal monitoring network — every measurement we report
AirNow (EPA / NOAA)
Real-time AQI for every monitored U.S. location
National Weather Service
Active watches, warnings, and advisories — NOAA
CDC Air Quality & Health
Health-impact reference behind every AQI category