| Sep 17 06:00 | TS | 40 mph | 1006 mb | 12.3°N 98.4°W | open ocean |
| Sep 17 12:00 | TS | 46 mph | 1004 mb | 13.2°N 99.6°W | open ocean |
| Sep 17 18:00 | TS | 46 mph | 1002 mb | 14.1°N 100.8°W | open ocean |
| Sep 18 00:00 | TS | 52 mph | 1000 mb | 14.8°N 101.8°W | 185 mi SSW of Técpan de Galeana, Guerrero, Mexico |
| Sep 18 06:00 | TS | 58 mph | 998 mb | 15.8°N 102.4°W | 139 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 18 12:00 | TS | 63 mph | 995 mb | 16.8°N 103.1°W | 100 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 18 18:00 | TS | 69 mph | 990 mb | 17.6°N 103.8°W | 91 mi S of Tecomán, Colima, Mexico |
| Sep 19 00:00 | Cat 1 | 81 mph | 985 mb | 18.4°N 104.2°W | 41 mi SSW of Tecomán, Colima, Mexico |
| Sep 19 06:00 | Cat 1 LANDFALL | 75 mph | 990 mb | 19.3°N 104.8°W | 16 mi WNW of Cihuatlán, Jalisco, Mexico |
| Sep 19 12:00 | TS | 69 mph | 994 mb | 20.3°N 105.6°W | 32 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Sep 19 18:00 | TS | 63 mph | 994 mb | 21.3°N 106.7°W | 92 mi W of San Blas, Nayarit, Mexico |
| Sep 20 00:00 | TS | 63 mph | 994 mb | 21.9°N 107.5°W | 114 mi SW of Mazatlán, Sinaloa, Mexico |
| Sep 20 06:00 | TS | 69 mph | 992 mb | 22.3°N 108.2°W | 109 mi ESE of San José del Cabo, Baja California Sur, Mexico |
| Sep 20 12:00 | Cat 1 | 75 mph | 989 mb | 22.6°N 108.8°W | 66 mi ESE of San José del Cabo, Baja California Sur, Mexico |
| Sep 20 18:00 | Cat 1 | 86 mph | 986 mb | 23.0°N 109.2°W | 32 mi E of San José del Cabo, Baja California Sur, Mexico |
| Sep 21 00:00 | Cat 1 | 81 mph | 987 mb | 23.7°N 109.5°W | 46 mi NNE of San José del Cabo, Baja California Sur, Mexico |
| Sep 21 03:00 | Cat 1 LANDFALL | 81 mph | 987 mb | 23.9°N 109.8°W | 36 mi ESE of La Paz, Baja California Sur, Mexico |
| Sep 21 06:00 | TS | 69 mph | 989 mb | 24.2°N 110.2°W | near La Paz, Baja California Sur, Mexico |
| Sep 21 12:00 | TS | 63 mph | 994 mb | 25.0°N 110.6°W | 62 mi NNW of La Paz, Baja California Sur, Mexico |
| Sep 21 18:00 | TS | 52 mph | 1002 mb | 25.9°N 111.0°W | 23 mi ESE of Loreto, Baja California Sur, Mexico |
| Sep 22 00:00 | TS | 40 mph | 1004 mb | 26.9°N 111.4°W | 61 mi N of Loreto, Baja California Sur, Mexico |
| Sep 22 06:00 | TD | 35 mph | 1005 mb | 27.9°N 111.5°W | 37 mi W of Heroica Guaymas, Sonora, Mexico |
| Sep 22 12:00 | TD low/wave | 29 mph | 1006 mb | 28.5°N 111.5°W | 24 mi S of Miguel Alemán (La Doce), Sonora, Mexico |