| Oct 20 00:00 | TD | 35 mph | 1007 mb | 15.1°N 100.9°W | 138 mi SSW of Acapulco de Juárez, Guerrero, Mexico |
| Oct 20 06:00 | TD | 35 mph | 1007 mb | 15.1°N 101.3°W | 152 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Oct 20 12:00 | TS | 40 mph | 1006 mb | 15.1°N 101.8°W | 174 mi SW of Acapulco de Juárez, Guerrero, Mexico |
| Oct 20 18:00 | TS | 46 mph | 1004 mb | 15.3°N 102.4°W | 171 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Oct 21 00:00 | TS | 52 mph | 1001 mb | 15.6°N 103.0°W | 172 mi SSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Oct 21 06:00 | TS | 58 mph | 999 mb | 15.9°N 103.5°W | 166 mi SSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Oct 21 12:00 | TS | 63 mph | 997 mb | 16.2°N 104.1°W | 175 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Oct 21 18:00 | TS | 69 mph | 992 mb | 16.4°N 104.7°W | 182 mi SSW of Tecomán, Colima, Mexico |
| Oct 22 00:00 | Cat 1 | 86 mph | 982 mb | 16.6°N 105.3°W | 185 mi SSW of Manzanillo, Colima, Mexico |
| Oct 22 06:00 | Cat 3 | 115 mph | 963 mb | 17.0°N 105.8°W | 175 mi SSW of Manzanillo, Colima, Mexico |
| Oct 22 12:00 | Cat 3 | 127 mph | 955 mb | 17.6°N 106.2°W | 156 mi SW of Cihuatlán, Jalisco, Mexico |
| Oct 22 18:00 | Cat 4 | 132 mph | 954 mb | 18.5°N 106.6°W | 142 mi WSW of Cihuatlán, Jalisco, Mexico |
| Oct 23 00:00 | Cat 4 | 132 mph | 954 mb | 19.5°N 106.7°W | 123 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Oct 23 06:00 | Cat 3 | 127 mph | 958 mb | 20.5°N 106.4°W | 76 mi W of Puerto Vallarta, Jalisco, Mexico |
| Oct 23 11:00 | Cat 3 LANDFALL | 121 mph | 961 mb | 21.9°N 105.6°W | 20 mi W of Tuxpan, Nayarit, Mexico |
| Oct 23 12:00 | Cat 3 | 115 mph | 962 mb | 22.1°N 105.5°W | 17 mi NW of Tuxpan, Nayarit, Mexico |
| Oct 23 18:00 | TS | 69 mph | 990 mb | 23.9°N 103.9°W | 11 mi ESE of Villa Unión, Durango, Mexico |
| Oct 24 00:00 | TD low/wave | 29 mph | 1006 mb | 25.6°N 101.5°W | 35 mi WNW of Saltillo, Coahuila, Mexico |