| Sep 13 18:00 | TD | 35 mph | 1006 mb | 15.7°N 101.0°W | 107 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Sep 14 00:00 | TD | 35 mph | 1005 mb | 16.2°N 101.7°W | 97 mi SSW of Petatlán, Guerrero, Mexico |
| Sep 14 06:00 | TS | 40 mph | 1000 mb | 16.7°N 102.6°W | 91 mi SSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 14 12:00 | TS | 46 mph | 999 mb | 17.2°N 103.6°W | 106 mi WSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 14 18:00 | TS | 52 mph | 997 mb | 17.6°N 104.4°W | 97 mi SSW of Tecomán, Colima, Mexico |
| Sep 15 00:00 | TS | 58 mph | 997 mb | 18.0°N 105.0°W | 88 mi SSW of Manzanillo, Colima, Mexico |
| Sep 15 06:00 | TS | 63 mph | 994 mb | 18.5°N 105.6°W | 85 mi SW of Cihuatlán, Jalisco, Mexico |
| Sep 15 12:00 | Cat 1 | 75 mph | 987 mb | 19.3°N 106.0°W | 94 mi W of Cihuatlán, Jalisco, Mexico |
| Sep 15 18:00 | Cat 1 | 86 mph | 985 mb | 20.3°N 106.3°W | 73 mi WSW of Puerto Vallarta, Jalisco, Mexico |
| Sep 16 00:00 | Cat 2 | 104 mph | 975 mb | 21.3°N 106.6°W | 86 mi W of San Blas, Nayarit, Mexico |
| Sep 16 06:00 | Cat 3 | 115 mph | 960 mb | 22.2°N 106.9°W | 77 mi SSW of Mazatlán, Sinaloa, Mexico |
| Sep 16 12:00 | Cat 3 | 127 mph | 952 mb | 23.1°N 107.1°W | 44 mi W of Mazatlán, Sinaloa, Mexico |
| Sep 16 18:00 | Cat 3 | 127 mph | 954 mb | 24.0°N 107.2°W | 18 mi S of El Rosario, Sinaloa, Mexico |
| Sep 16 19:00 | Cat 3 LANDFALL | 127 mph | 954 mb | 24.1°N 107.2°W | 11 mi S of El Rosario, Sinaloa, Mexico |
| Sep 17 00:00 | Cat 1 | 75 mph | 978 mb | 24.7°N 107.3°W | near Culiacán, Sinaloa, Mexico |
| Sep 17 06:00 | TS | 40 mph | 990 mb | 25.4°N 107.4°W | 41 mi N of Culiacán, Sinaloa, Mexico |
| Sep 17 12:00 | TD | 29 mph | 1005 mb | 26.0°N 107.5°W | 52 mi NE of Guamúchil, Sinaloa, Mexico |