| Sep 18 12:00 | TD | 29 mph | — | 12.4°N 94.5°W | open ocean |
| Sep 18 18:00 | TD | 29 mph | — | 12.7°N 95.8°W | open ocean |
| Sep 19 00:00 | TD | 29 mph | — | 12.9°N 97.0°W | open ocean |
| Sep 19 06:00 | TD | 29 mph | — | 13.3°N 98.2°W | open ocean |
| Sep 19 12:00 | TD | 29 mph | — | 13.6°N 99.6°W | open ocean |
| Sep 19 18:00 | TD | 35 mph | — | 14.1°N 101.0°W | open ocean |
| Sep 20 00:00 | TS | 40 mph | — | 14.8°N 102.0°W | open ocean |
| Sep 20 06:00 | TS | 46 mph | — | 15.3°N 102.9°W | 185 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 20 12:00 | TS | 52 mph | — | 15.9°N 103.8°W | 178 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 20 18:00 | TS | 52 mph | — | 16.7°N 104.6°W | 160 mi SSW of Tecomán, Colima, Mexico |
| Sep 21 00:00 | TS | 58 mph | — | 17.5°N 105.2°W | 125 mi SSW of Manzanillo, Colima, Mexico |
| Sep 21 06:00 | Cat 1 | 75 mph | — | 18.5°N 105.9°W | 101 mi WSW of Cihuatlán, Jalisco, Mexico |
| Sep 21 12:00 | Cat 1 | 75 mph | — | 19.4°N 106.4°W | 113 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Sep 21 18:00 | Cat 1 | 75 mph | — | 20.3°N 106.8°W | 104 mi WSW of Puerto Vallarta, Jalisco, Mexico |
| Sep 22 00:00 | Cat 1 | 75 mph | — | 21.2°N 107.3°W | 130 mi WNW of Bucerías, Nayarit, Mexico |
| Sep 22 06:00 | Cat 1 | 75 mph | — | 22.0°N 107.7°W | 118 mi SW of Mazatlán, Sinaloa, Mexico |
| Sep 22 12:00 | Cat 1 | 75 mph | — | 22.8°N 108.4°W | 85 mi ESE of San José del Cabo, Baja California Sur, Mexico |
| Sep 22 18:00 | Cat 1 | 75 mph | — | 23.6°N 109.1°W | 54 mi NE of San José del Cabo, Baja California Sur, Mexico |
| Sep 23 00:00 | Cat 1 | 81 mph | — | 24.5°N 109.7°W | 46 mi ENE of La Paz, Baja California Sur, Mexico |
| Sep 23 06:00 | Cat 1 | 86 mph | — | 25.2°N 109.9°W | 70 mi SW of Los Mochis, Sinaloa, Mexico |
| Sep 23 12:00 | Cat 1 | 75 mph | — | 26.1°N 109.9°W | 47 mi WNW of Ahome, Sinaloa, Mexico |
| Sep 23 18:00 | Cat 1 | 75 mph | — | 26.7°N 109.8°W | 13 mi SW of Huatabampo, Sonora, Mexico |
| Sep 24 00:00 | TS | 58 mph | — | 27.3°N 109.7°W | 20 mi SE of Ciudad Obregón, Sonora, Mexico |