| Sep 13 12:00 | TD | 35 mph | 999 mb | 15.3°N 101.4°W | 146 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Sep 13 18:00 | TS | 40 mph | 998 mb | 15.3°N 101.9°W | 157 mi SSW of Técpan de Galeana, Guerrero, Mexico |
| Sep 14 00:00 | TS | 46 mph | 997 mb | 15.4°N 102.2°W | 161 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 14 06:00 | TS | 52 mph | 995 mb | 15.5°N 102.3°W | 156 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 14 12:00 | TS | 52 mph | 993 mb | 15.9°N 102.1°W | 126 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 14 18:00 | TS | 58 mph | 990 mb | 16.4°N 102.1°W | 93 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 15 00:00 | TS | 63 mph | 987 mb | 17.0°N 102.2°W | 62 mi SW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 15 06:00 | TS | 69 mph | 984 mb | 17.6°N 102.6°W | 36 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 15 12:00 | TS LANDFALL | 69 mph | 985 mb | 18.2°N 103.2°W | 40 mi S of Coalcomán de Vázquez Pallares, Michoacán, Mexico |
| Sep 15 18:00 | TS | 52 mph | 996 mb | 18.9°N 104.0°W | near Ciudad de Armería, Colima, Mexico |
| Sep 16 00:00 | TD | 35 mph | 1000 mb | 19.6°N 104.7°W | 17 mi W of La Resolana, Jalisco, Mexico |
| Sep 16 06:00 | TD low/wave | 29 mph | 1002 mb | 20.2°N 105.2°W | 29 mi S of Puerto Vallarta, Jalisco, Mexico |
| Sep 16 12:00 | TD low/wave | 29 mph | 1003 mb | 20.6°N 105.5°W | 17 mi W of Puerto Vallarta, Jalisco, Mexico |
| Sep 16 18:00 | TD low/wave | 23 mph | 1004 mb | 21.0°N 105.8°W | 34 mi WNW of Bucerías, Nayarit, Mexico |
| Sep 17 00:00 | TD low/wave | 23 mph | 1004 mb | 21.4°N 106.1°W | 53 mi W of San Blas, Nayarit, Mexico |
| Sep 17 06:00 | TD low/wave | 23 mph | 1003 mb | 21.8°N 106.4°W | 71 mi W of Tuxpan, Nayarit, Mexico |
| Sep 17 12:00 | TD low/wave | 29 mph | 1002 mb | 22.2°N 106.8°W | 75 mi SSW of Mazatlán, Sinaloa, Mexico |
| Sep 17 18:00 | TD | 35 mph | 1001 mb | 22.5°N 107.2°W | 70 mi SW of Mazatlán, Sinaloa, Mexico |
| Sep 18 00:00 | TD | 35 mph | 1000 mb | 22.7°N 107.5°W | 78 mi WSW of Mazatlán, Sinaloa, Mexico |
| Sep 18 06:00 | TS | 40 mph | 998 mb | 22.9°N 107.7°W | 84 mi WSW of Mazatlán, Sinaloa, Mexico |
| Sep 18 12:00 | TS | 52 mph | 995 mb | 23.2°N 107.9°W | 81 mi SW of La Cruz, Sinaloa, Mexico |
| Sep 18 18:00 | TS | 63 mph | 989 mb | 23.6°N 108.1°W | 68 mi SW of Eldorado, Sinaloa, Mexico |
| Sep 19 00:00 | Cat 1 | 75 mph | 984 mb | 24.1°N 108.2°W | 56 mi SW of Navolato, Sinaloa, Mexico |
| Sep 19 06:00 | Cat 1 | 75 mph | 983 mb | 24.5°N 108.2°W | 37 mi WSW of Navolato, Sinaloa, Mexico |
| Sep 19 12:00 | Cat 1 LANDFALL | 75 mph | 984 mb | 24.8°N 108.0°W | 19 mi W of Navolato, Sinaloa, Mexico |
| Sep 19 18:00 | TS | 46 mph | 999 mb | 25.3°N 107.6°W | 37 mi NNW of Culiacán, Sinaloa, Mexico |