Active Weather Alerts
Special Marine Warning
Issued: 12:44 AM Jun. 18, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 845 PM CDT... For the following areas... Lake Maurepas... Lake Pontchartrain... At 744 PM CDT, a severe thunderstorm capable of producing waterspouts was located near Manchac, moving north at 25 knots. HAZARD...Waterspouts. SOURCE...Radar indicated. IMPACT...Waterspouts can quickly form and capsize boats...damage vessels and oil rigs...and create suddenly higher waves. Locations impacted include... Lake Maurepas and Manchac. PRECAUTIONARY/PREPAREDNESS ACTIONS... Waterspouts can move onshore as a torando! Boaters should avoid waterspouts and never navigate near them. Move to safe harbor or seek shelter in a sturdy building immediately until the threat passes. && WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...<34KTS
Flood Watch
Issued: 11:44 PM Jun. 17, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Jefferson, Central Plaquemines, Central St. Charles, Central Tangipahoa, East Baton Rouge, East Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower St. Charles, Lower Tangipahoa, Northern Livingston, Northern St. Tammany, Northern Tangipahoa, Pointe Coupee, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Helena, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Upper Terrebonne, Washington, West Baton Rouge, West Feliciana, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Amite, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Pike, Southern Hancock, Southern Harrison, Southern Jackson, Walthall and Wilkinson. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - A very moist airmass will be in place across the area for the next several days. Multiple rounds of showers and thunderstorms with locally heavy rainfall are expected through Thursday night. A large area with rainfall amounts of 4 to 7 inches is expected in the watch area through Thursday night with isolated totals considerably higher. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
Small Craft Advisory
Issued: 4:46 PM Jun. 17, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT FRIDAY... * WHAT...South winds 20 to 25 kt with gusts up to 30 kt. Waves of 3 to 5 in the tidal lakes, 4 to 6 feet in the sounds and and seas of 6 to 9 ft in the open Gulf waters. * WHERE...All of the tidal lakes, sounds, and open Gulf waters. * WHEN...Until 6 AM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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