Enter any address in Terrebonne Parish, Louisiana to see its FEMA flood zone
Terrebonne Parish County experiences a mix of flood events, with tropical storms, flash floods, and storm surge/tide being the most frequent over the last 30 years. For example, flash flooding occurred in June and August of 2025 due to stalled frontal boundaries and atmospheric instability. Hurricanes have also impacted the area, with 21 events recorded in the same period, resulting in one death.
National Flood Insurance Program (NFIP) data shows that Zone A has the highest number of claims, with an average payout of $24,004 and an average water depth of 2.8 feet. Zone V also experiences significant flooding, with an average water depth of 4.5 feet. Properties in these zones, as well as those in Zone X_UNSHADED and areas with unknown flood risk, should pay close attention to flood warnings and advisories.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
70 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Terrebonne Parish, Louisiana has recorded 102 flood-related events since 1996 according to NOAA's Storm Events Database, including 25 flash floods and 2 river or area floods. The county has received 52 federal disaster declarations, 13 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Tropical Storm Francine | Hurricane | Sep 10, 2024 |
| Hurricane Francine | Hurricane | Sep 9, 2024 |
| Tropical Storm Nicholas | Coastal Storm | Sep 12, 2021 |
| Hurricane Ida | Hurricane | Aug 26, 2021 |
| Tropical Storm Ida | Hurricane | Aug 26, 2021 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Hurricane Zeta | Hurricane | Oct 26, 2020 |
| Tropical Storm Zeta | Hurricane | Oct 26, 2020 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 21, 2025 | 0.00K |
| Flash Flood | Jun 10, 2025 | 0.00K |
| Storm Surge/Tide | Jun 16, 2024 | 10.00K |
| Hurricane (Typhoon) | Sep 11, 2024 | 20.00M |
| Storm Surge/Tide | Sep 11, 2024 | 0.00K |
| Flash Flood | Sep 6, 2024 | 0.00K |
| Hurricane (Typhoon) | Aug 29, 2021 | 750.00M (1 deaths) |
| Storm Surge/Tide | Aug 28, 2021 | 750.00K |
| Flash Flood | Mar 23, 2021 | 0.00K |
| Hurricane (Typhoon) | Oct 28, 2020 | 25.00M |
Flash Flood — Aug 21, 2025
The local area was on the eastern periphery of an upper level ridge. A weak frontal boundary was slowly sagging in from the northeast due to the presence of an upper level trough along the east coast of the United States. Strong daytime heating combined with ample moisture in place and weak surface boundary convergence created an environment conducive for heavy rainfall and a few severe thunder...
Flash Flood — Jun 10, 2025
A north/south oriented trough axis extended from the Great Lakes to the Florida Panhandle and a ridge was centered over the Desert Southwest encompasses the rest of the country. That put the CWA right between both features. The frontal boundary associated with the trough stalled along the northern Gulf Coast. That front was the initial focal point for convection to begin developing early in the...
Storm Surge/Tide — Jun 16, 2024
As a surface ridge nearby shifted off to the northeast during the 3rd weekend of June, light and variable winds became onshore and more steady state. By June 16th, the surface ridge shifted offshore into the Atlantic Ocean and a surface low pressure was developing as it crossed the Yucatan Peninsula. It was at this point that east to southeast winds increased to 15-20 knots across local coastal...
Hurricane (Typhoon) — Sep 11, 2024
Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated ...
Storm Surge/Tide — Sep 11, 2024
Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11. With sustained winds of 100 mph and gusts peaking at 105 mph, Francine brought widespread damage to southeastern Louisiana and southern Mississippi. A storm surge of 6-9 feet inundated ...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Terrebonne Parish, Louisiana:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Terrebonne Parish, Louisiana that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.