Special Marine Warning for Lake Maurepas; Lake Pontchartrain
Official alert fields
What you need to know
- Applies to
- Lake Maurepas, Lake Pontchartrain
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Lake Maurepas... Lake Pontchartrain... * Until 700 PM CDT. * At 528 PM CDT, a cluster of severe thunderstorms was located along a line extending from near Madisonville to near Lake Maurepas to 16 nm west of Manchac,...
What the bulletin says to 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. These storms may produce large, destructive hail that can cause significant damage boats and vessels. Do not venture out into these storms! Seek safe harbor immediately!
Full official description
Bulletin details
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Lake Maurepas... Lake Pontchartrain... * Until 700 PM CDT. * At 528 PM CDT, a cluster of severe thunderstorms was located along a line extending from near Madisonville to near Lake Maurepas to 16 nm west of Manchac, moving south at 15 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in injury and damage to boats...vessels and oil rigs. * Locations impacted include... Madisonville, Manchac, Lake Pontchartrain/Lake Maurepas, Orleans Marina, Lake Maurepas, Mandeville, The Mid Point Of The Causeway Bridge, and Kenner.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 21 at 5:28PM CDT until August 21 at 7:00PM CDT by NWS New Orleans LA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS New Orleans LA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected