NWS LIX - Hurricane Ida Event page

Catastrophic Hurricane Ida Strikes Southeast Louisiana
August 29, 2021

Hurricane Ida made landfall as Category 4 Hurricane in Lower Lafourche Parish near Port Fourchon with maximum sustained wind speeds of 150 mph and a minimum pressure 930 mb. Landfall occurred at 11:55 AM on the morning of August 29, 2021. The storm caused catastrophic damage from wind and storm surge, particularly in the Dulac to Montegut to Grand Isle areas of Lower Terrebonne and Lower Lafourche Parishes. The widespread damage spread well inland across Southeast Louisiana and Southern Mississippi as Hurricane Ida remained at hurricane strength into southwest Mississippi near McComb. For further information on the impacts Hurricane Ida produced across the area, please reference the post-storm report here.

Hurricane Ida Visible Imagery at Landfall

Geocolor Satellite Loop of Hurricane Ida

Hurricane Ida Visible Imagery at Landfall

Hurricane Ida radar loop

Hurricane Ida track

Hurricane Ida Wind Reports

**Top 10 Wind Gusts Recorded over Land**
Location	Peak Gust(MPH)	Date and Time
Dulac, LA	138	August 29, 2021 at 3:01 PM CDT
Galliano, LA	121	August 29, 2021 at 4:14 PM CDT
New Orleans, LA	113	Not available
Killona, LA	110	August 29, 2021 at 6:46 PM CDT
Mandeville, LA	110	August 29, 2021 at 9:04 PM CDT
Port Fourchon, LA	102	August 29, 2021 at 12:44 PM CDT (Incomplete data)
Thibodaux, LA	100	August 29, 2021 at 7 PM CDT
Bayou Bienvenue, LA	99	August 29, 2021 at 6:16 PM CDT
Live Oak, LA	99	August 29, 2021 at 7:06 PM CDT
Raceland, LA	99	August 29, 2021 at 7:50 PM CDT

Hurricane Ida Storm Surge Reports

Storm Surge Measurements in excess of 5 feet MHHW

Location	Surge Value (feet)	Datum	Date and Time
Grand Isle, LA	10.30	MHHW	Not Available
Port Fourchon, LA	8.30	MHHW	Not Available
Waveland, MS	6.91	MHHW	August 29, 2021 at 11:06 PM CDT
Shell Beach, LA	6.85	MHHW	August 29, 2021 at 12:48 PM CDT
Grand Isle, LA	5.95	MHHW	August 29, 2021 at 1:42 PM CDT
New Orleans, LA	5.52	MHHW	August 30, 2021 at 6:12 AM CDT
Pilots Station, LA	5.17	MHHW	August 29, 2021 at 7:30 AM CDT

Hurricane Ida Rainfall Reports

Radar Estimated Rainfall Map

Rainfall Reports in excess of 10 inches

Location	Rainfall Amount (inches)
3.3 miles north of Kiln, MS	13.65
13.1 miles north-northwest of Biloxi, MS	13.29
1.4 miles west-southwest of Bay St. Louis, MS	13.12
5.6 miles east-southeast of Picayune, MS	12.83
1 mile north of Waveland, MS	12.83
1.2 miles northwest of Moss Point, MS	12.78
6.2 miles east of Pearl River, LA	12.63
3.8 miles southeast of Carriere, MS	12.57
Pascagoula Trent Lott Airport, MS	12.47
6.6 miles north of Kiln, MS	12.36
3.3 miles northeast of Slidell, LA	11.66
Slidell, LA (NWS Office)	11.64
Gulfport, MS	11.61
4.4 miles east of Slidell, LA	11.53
5 miles north of Pass Christian, MS	11.34
Slidell, LA	11.32
White Plains, MS	11.22
Meraux, LA	10.96
New Orleans Lakefront Airport, LA	10.74
Folsom, LA	10.72
Gulfport-Biloxi International Airport, MS	10.71
1.6 miles north-northeast of Vancleave, MS	10.71
5.0 miles east-northeast of Biloxi, MS	10.60
1.7 miles north-northeast of Saucier, MS	10.14
3.2 miles north-northwest of Madisonville, LA	10.09
1.4 miles north of Lacombe, LA	10.06