Special Marine Warning for Lake Pontchartrain and Lake Borgne
This alert is no longer in effect.
NOAA issued it on July 26, 2026, 4 weeks 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 issues Special Marine Warning for waterspouts and wind gusts over 50 knots until 5:30 AM CDT June 18.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Pontchartrain and Lake Borgne, Louisiana
- Issued
- July 26, 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 4 weeks ago; use the issuing agency's live warning service for current conditions in Lake Pontchartrain and Lake Borgne, Louisiana.
Alert Details
Special Marine Warning issued by NWS New Orleans LA. Effective from 2026-06-18T04:50:00-05:00 until 2026-06-18T05:30:00-05:00. Alert type code: MAW.
Affected Areas
Lake Pontchartrain and Lake Borgne. Impacted locations include Eden Isle, Lake Pontchartrain/Lake Maurepas, Orleans Marina, Mandeville, and Lacombe.
What You Should Do
Seek shelter or move to safe harbor immediately. Dangerous high winds and suddenly higher waves are expected.
Expected Conditions
Severe thunderstorm capable of producing waterspouts located near Orleans Marina, moving northeast at 20 knots. Hazard includes waterspouts and wind gusts in excess of 50 knots.
Timeline
Alert effective 4:50 AM CDT June 18, 2026, until 5:30 AM CDT June 18, 2026. A Tornado Watch remains in effect until 6:00 AM CDT for southeastern Louisiana and adjacent coastal waters.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (865 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 26, 2026.
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Common questions about this NWS weather alert.