National Weather ServiceLouisianaCoastal Flood WarningArchive to October 1, 2026
Coastal Flood Warnings in Louisiana
The National Weather Service issued 3 coastal flood warnings for Louisiana in 2025 and 4 a year on average in 2008-2025; in 2021-2025 it had the 8th most of any state. 2026 through September: 5, 76% above the average of 3 for those months in 2008-2025. Lower St. Bernard was covered most often (27 times since 2008).
How many coastal flood warnings does Louisiana get?
Every coastal flood warning that covered part of Louisiana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 5 |
| 2025 | 3 |
| 2024 | 9 |
| 2023 | 6 |
| 2022 | 0 |
| 2021 | 5 |
| 2020 | 6 |
| 2019 | 2 |
| 2018 | 0 |
| 2017 | 2 |
| 2016 | 5 |
| 2015 | 4 |
| 2014 | 1 |
| 2013 | 2 |
| 2012 | 4 |
| 2011 | 2 |
| 2010 | 4 |
| 2009 | 5 |
| 2008 | 8 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Louisiana get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Louisiana?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Lower St. Bernard | 27 | 6 | July 21, 2026 |
| Lower Plaquemines | 26 | 4 | July 21, 2026 |
| St. John The Baptist | 25 | 3 | June 19, 2024 |
| West Cameron | 24 | 12 | September 1, 2026 |
| Upper St. Bernard | 23 | 1 | November 14, 2023 |
| Livingston | 22 | 0 | May 19, 2021 |
| Orleans | 22 | 0 | September 22, 2020 |
| St. Charles | 21 | 2 | October 12, 2023 |
| East Cameron | 20 | 8 | June 17, 2026 |
| St. Tammany | 20 | 0 | September 22, 2020 |
| Upper Jefferson | 20 | 2 | October 12, 2023 |
| Vermilion | 17 | 1 | January 24, 2023 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest coastal flood warnings for Louisiana in AreaZine's record
NWS Lake CharlesWarningSeptember 1, 2026
Coastal Flood Warning: West Cameron and Lower Jefferson, LA and TX
Expired 2:00 p.m. CDT, September 2, 2026
NWS Lake CharlesWarningAugust 31, 2026
Coastal Flood Warning: West Cameron and Lower Jefferson, LA and TX
Expired 7:00 p.m. CDT, September 1, 2026
NWS Lake CharlesWarningJuly 23, 2026
Coastal Flood Warning: Lower St. Mary, LA
Expired 7:00 p.m. CDT, July 23, 2026
NWS New OrleansWarningJuly 21, 2026
Coastal Flood Warning: Lower St. Bernard, Southeast St. Tammany, Eastern Orleans and 4 more, LA and MS
Expired 4:00 a.m. CDT, July 23, 2026
NWS Lake CharlesWarningJune 16, 2026
Coastal Flood Warning: West Cameron, East Cameron, Lower Vermilion and 3 more, LA and TX
Expired 7:00 p.m. CDT, June 17, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a coastal flood warning?
A coastal flood warning means seawater flooding of coastal roads and property is happening or expected, usually at high tide. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Louisiana.