Alerts from NWS New Orleans LA (UNOFFICIAL)
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Alerts from NWS New Orleans LA (UNOFFICIAL)
@msy.nws-bot.us
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Special Weather Statement issued December 14 at 2:40AM CST by NWS New Orleans LA
Additional Details Here.
At 239 AM CST, Doppler radar was tracking a strong thunderstorm near Ramah, or 13 miles northeast of Catahoula, moving southeast at 40 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects such as holiday decorations. Locations impacted include... Plaquemine, St. Gabriel, Addis, Maringouin, Rosedale, Grosse Tete, Ramah, and Bayou Sorrel. This includes Interstate 10 in Louisiana between mile markers 128 and 143.
December 14, 2025 at 8:45 AM
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Dense Fog Advisory issued December 13 at 8:21PM CST until December 14 at 4:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. The fog will likely dissipate before sunrise as a cold front finally moves through. Very cold wind chills ranging from 12 to 20 degrees will impact locations along and north of the Interstate 10/12 corridor. Wind chills of 20 to 25 degrees will affect locations south of this corridor. * WHERE...Northern Hancock, Northern Harrison, Northern Jackson, Southern Hancock, Southern Harrison, and Southern Jackson Counties. * WHEN...For the Dense Fog Advisory, until 4 AM CST Sunday. For the Cold Weather Advisory, from 9 PM Sunday to 9 AM CST Monday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Low visibility could make driving conditions hazardous. * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. The fog will likely dissipate before sunrise as a cold front finally moves through. Very cold wind chills ranging from 12 to 20 degrees will impact locations along and north of the Interstate 10/12 corridor. Wind chills of 20 to 25 degrees will affect locations south of this corridor. * WHERE...Northern Hancock, Northern Harrison, Northern Jackson, Southern Hancock, Southern Harrison, and Southern Jackson Counties. * WHEN...For the Dense Fog Advisory, until 4 AM CST Sunday. For the Cold Weather Advisory, from 9 PM Sunday to 9 AM CST Monday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Low visibility could make driving conditions hazardous. * WHAT...Very cold wind chills as low as 17 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From 9 PM Sunday to 9 AM CST Monday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.
December 14, 2025 at 2:30 AM
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Gale Warning issued December 13 at 8:26PM CST until December 15 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.(1/2)
* WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and seas 6 to 11 ft expected. * WHERE...All of the open Gulf waters from 20 to 60 NM offshore. * WHEN...From 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, north winds 20 to 30 kt with gusts up to 35 kt expected. * WHERE...Mississippi Sound and Lake Borgne. * WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the Small Craft Advisory, from 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1 NM or less. For the Small Craft Advisory, north winds 20 to 30 kt with gusts up to 35 kt expected. * WHERE...Mississippi Sound and Lake Borgne. * WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the Small Craft Advisory, from 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt. Waves of 3 to 5 feet in the tidal lakes and sounds and seas ofof 5 to 8 ft in the open Gulf waters are expected. * WHERE...All of the tidal lakes, sounds, and open Gulf waters out to 20 NM offshore. * WHEN...From 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 2:30 AM
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Gale Warning issued December 13 at 11:51AM CST until December 15 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and seas 6 to 11 ft expected. * WHERE...All of the open Gulf waters from 20 to 60 NM offshore. * WHEN...From 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt. Waves of 3 to 5 feet in the tidal lakes and sounds and seas ofof 5 to 8 ft in the open Gulf waters are expected. * WHERE...All of the tidal lakes, sounds, and open Gulf waters out to 20 NM offshore. * WHEN...From 6 AM Sunday to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 13, 2025 at 6:00 PM
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Cold Weather Advisory issued December 13 at 11:32AM CST until December 15 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Very cold wind chills ranging from 12 to 20 degrees will impact locations along and north of the Interstate 10/12 corridor. Wind chills of 20 to 25 degrees will affect oocations south of this corridor. * WHERE...All of southeast Louisiana and southern Mississippi. * WHEN...From 9 PM Sunday to 9 AM CST Monday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.
December 13, 2025 at 5:45 PM
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Dense Fog Advisory issued December 13 at 7:42AM CST until December 13 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in patchy dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 13, 2025 at 1:45 PM
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Dense Fog Advisory issued December 13 at 4:35AM CST until December 13 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in patchy dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 9 AM CST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
December 13, 2025 at 10:45 AM
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Dense Fog Advisory issued December 12 at 9:17PM CST until December 13 at 9:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.
December 13, 2025 at 3:30 AM
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Small Craft Advisory issued December 8 at 11:38AM CST until December 8 at 6:00PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...North winds 15 to 25 kt and seas 5 to 7 ft expected. * WHERE...Portions of Gulf of America. * WHEN...Until 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft.
December 8, 2025 at 5:45 PM
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Marine Weather Statement issued December 7 at 10:22PM CST by NWS New Orleans LA
Additional Details Here.
A Marine Weather Statement has been issued for the following areas... Lake Borgne... Lake Pontchartrain and Lake Maurepas... At 1021 PM CST, Doppler radar indicated a cluster of showers, capable of producing winds to around 30 knots. This cluster of showers is generally located along a line extending from 8 nm west of Mandeville to 10 nm south of Lake Maurepas, moving east at 35 knots. Mariners can expect widespread gusty winds to around 30 knots and higher waves. Boaters should seek safe harbor immediately until this activity passes.
December 8, 2025 at 4:30 AM
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Marine Weather Statement issued December 7 at 9:51PM CST by NWS New Orleans LA
Additional Details Here.
A Marine Weather Statement has been issued for the following areas... Lake Pontchartrain and Lake Maurepas... At 950 PM CST, Doppler radar indicated a cluster of showers, capable of producing winds up to around 30 knots. This cluster of showers is generally located along a line extending from 13 nm northwest of Manchac to 22 nm southwest of Lake Maurepas, moving east at 35 knots. Mariners can expect widespread gusty winds to around 30 knots and higher waves. Boaters should seek safe harbor immediately until this activity passes.
December 8, 2025 at 4:00 AM
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Small Craft Advisory issued December 7 at 9:12PM CST until December 8 at 6:00PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...North winds 15 to 25 kt and seas 5 to 7 ft expected. * WHERE...Portions of Gulf of America. * WHEN...From midnight tonight to 6 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 8, 2025 at 3:15 AM
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Small Craft Advisory issued December 7 at 2:28PM CST until December 8 at 6:00PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...North winds 15 to 25 kt and seas 5 to 7 ft expected. * WHERE...Portions of Gulf of America. * WHEN...From midnight tonight to 6 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 7, 2025 at 8:30 PM
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Small Craft Advisory issued December 6 at 11:43PM CST until December 8 at 6:00PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 5 to 7 ft expected. * WHERE...Portions of Gulf of America. * WHEN...From midnight Sunday night to 6 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 7, 2025 at 5:45 AM
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Flood Advisory issued December 4 at 5:23PM CST until December 4 at 7:15PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parish, East Baton Rouge. * WHEN...Until 715 PM CST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 522 PM CST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Baton Rouge, Westminster, Merrydale, Inniswold and Shenandoah. - http://www.weather.gov/safety/flood
December 4, 2025 at 11:30 PM
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Small Craft Advisory issued December 4 at 11:41AM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...East winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Portions of Gulf of America. * WHEN...Until 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 4, 2025 at 5:45 PM
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Coastal Flood Advisory issued December 4 at 11:42AM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Minor coastal flooding expected. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany and Eastern Orleans Parishes. In Mississippi, Southern Hancock and Southern Harrison Counties. * WHEN...From 6 PM this evening to 6 AM CST Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
December 4, 2025 at 5:45 PM
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Special Weather Statement issued December 4 at 8:53AM CST by NWS New Orleans LA
Additional Details Here.
At 853 AM CST, The current forecast is indicating the development of a strong thunderstorm near Bayou Cane, or 7 miles west of Houma, moving east at 45 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Forecast indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Houma, Larose, Cut Off, Galliano, Lockport, Mathews, Bayou Cane, Gray, Montegut, and Raceland.
December 4, 2025 at 3:00 PM
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Flood Advisory issued December 4 at 7:37AM CST until December 4 at 9:30AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Ascension, East Baton Rouge, Iberville, Livingston, Pointe Coupee and West Baton Rouge. * WHEN...Until 930 AM CST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 737 AM CST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Baton Rouge, Denham Springs, Gonzales, Plaquemine, Port Allen, Oak Hills Place, St. Gabriel, Walker, Addis, Brusly, Livonia, Maringouin, Rosedale, Port Vincent, Grosse Tete, Gardere, Westminster, Inniswold, Village St. George and Merrydale. - http://www.weather.gov/safety/flood
December 4, 2025 at 1:45 PM
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Flood Advisory issued December 4 at 5:38AM CST until December 4 at 8:30AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of southeast Louisiana, including the following parishes, East Baton Rouge, East Feliciana, Livingston, Pointe Coupee, St. Helena, St. Tammany, Tangipahoa, Washington, West Baton Rouge and West Feliciana and southern Mississippi, including the following counties, Amite, Pike, Walthall and Wilkinson. * WHEN...Until 830 AM CST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 538 AM CST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 2 and 3.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Baton Rouge, Hammond, Zachary, Baker, Bogalusa, Covington, New Roads, Franklinton, Jackson, St. Francisville, Clinton, Greensburg, Amite, Amite City, Abita Springs, Kentwood, Livingston, Centreville, Independence and Varnado. - http://www.weather.gov/safety/flood
December 4, 2025 at 11:45 AM
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Small Craft Advisory issued December 3 at 7:13PM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...East winds 15 to 20 kt with gusts up to 25 kt expected. * WHERE...Lake Pontchartrain and Lake Maurepas and Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm. * WHEN...From 6 AM Thursday to 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Showers and storms in the area may generate locally higher winds and seas. * WHAT...East winds 15 to 20 kt with frequent gusts up to 25 kt expected. * WHERE...Mississippi, Chandeleur, and Breton Sounds as well as portions of the Gulf waters east of the mouth of the Mississippi River. * WHEN...From 6 AM Thursday to 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Showers and storms in the area may generate locally higher winds and seas.
December 4, 2025 at 1:15 AM
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Coastal Flood Advisory issued December 3 at 6:48PM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Minor coastal flooding expected during high tide cycle. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany and Eastern Orleans Parishes. In Mississippi, Southern Hancock and Southern Harrison Counties. * WHEN...From 6 PM Thursday to 6 AM CST Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
December 4, 2025 at 1:00 AM
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Coastal Flood Advisory issued December 3 at 11:34AM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...Minor coastal flooding expected during high tide cycle. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany and Eastern Orleans Parishes. In Mississippi, Southern Hancock and Southern Harrison Counties. * WHEN...From 6 PM Thursday to 6 AM CST Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.
December 3, 2025 at 5:45 PM
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Small Craft Advisory issued December 3 at 11:33AM CST until December 5 at 6:00AM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...East winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Portions of Gulf of America. * WHEN...From 6 AM Thursday to 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft.
December 3, 2025 at 5:45 PM
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Small Craft Advisory issued December 2 at 10:44AM CST until December 2 at 3:00PM CST by NWS New Orleans LA
Additional Details Here.
* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 5 to 7 ft. * WHERE...Portions of Gulf of America. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.
December 2, 2025 at 4:45 PM