| Sep 16 00:00 | TS | 40 mph | 1007 mb | 11.4°N 97.6°W | open ocean |
| Sep 16 06:00 | TS | 46 mph | 1006 mb | 11.6°N 98.3°W | open ocean |
| Sep 16 12:00 | TS | 46 mph | 1005 mb | 12.1°N 99.1°W | open ocean |
| Sep 16 18:00 | TS | 52 mph | 1003 mb | 12.8°N 100.0°W | open ocean |
| Sep 17 00:00 | TS | 52 mph | 1000 mb | 13.6°N 100.8°W | open ocean |
| Sep 17 06:00 | TS | 52 mph | 998 mb | 14.4°N 101.5°W | open ocean |
| Sep 17 12:00 | TS | 58 mph | 994 mb | 15.2°N 102.3°W | 176 mi SSW of Ixtapa-Zihuatanejo, Guerrero, Mexico |
| Sep 17 18:00 | TS | 69 mph | 986 mb | 15.7°N 103.1°W | 167 mi SSW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 18 00:00 | Cat 1 | 75 mph | 979 mb | 16.0°N 104.0°W | 180 mi SW of Ciudad Lázaro Cárdenas, Michoacán, Mexico |
| Sep 18 06:00 | Cat 1 | 75 mph | 979 mb | 16.4°N 104.7°W | 182 mi SSW of Tecomán, Colima, Mexico |
| Sep 18 12:00 | Cat 1 | 75 mph | 980 mb | 16.9°N 105.2°W | 163 mi SSW of Manzanillo, Colima, Mexico |
| Sep 18 18:00 | TS | 69 mph | 981 mb | 17.5°N 105.6°W | 139 mi SW of Manzanillo, Colima, Mexico |
| Sep 19 00:00 | TS | 69 mph | 982 mb | 18.1°N 106.1°W | 128 mi SW of Cihuatlán, Jalisco, Mexico |
| Sep 19 06:00 | TS | 69 mph | 983 mb | 18.5°N 106.7°W | 149 mi WSW of Cihuatlán, Jalisco, Mexico |
| Sep 19 12:00 | TS | 69 mph | 985 mb | 18.9°N 107.2°W | 175 mi SW of Puerto Vallarta, Jalisco, Mexico |
| Sep 19 18:00 | TS | 69 mph | 987 mb | 19.4°N 107.6°W | 175 mi WSW of Puerto Vallarta, Jalisco, Mexico |
| Sep 20 00:00 | TS | 63 mph | 990 mb | 19.8°N 107.9°W | 182 mi WSW of Puerto Vallarta, Jalisco, Mexico |
| Sep 20 06:00 | TS | 58 mph | 995 mb | 20.2°N 108.2°W | open ocean |
| Sep 20 12:00 | TS | 52 mph | 1000 mb | 20.7°N 108.6°W | 173 mi SSE of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 20 18:00 | TS | 46 mph | 1002 mb | 21.1°N 109.1°W | 134 mi SSE of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 21 00:00 | TS | 40 mph | 1003 mb | 21.4°N 109.6°W | 105 mi S of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 21 06:00 | TS | 40 mph | 1003 mb | 21.6°N 110.2°W | 91 mi SSW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 21 12:00 | TS | 46 mph | 1003 mb | 22.0°N 111.0°W | 93 mi SW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 21 18:00 | TS | 46 mph | 1003 mb | 22.4°N 111.8°W | 125 mi WSW of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 22 00:00 | TS | 40 mph | 1003 mb | 22.6°N 112.7°W | 179 mi W of Cabo San Lucas, Baja California Sur, Mexico |
| Sep 22 06:00 | TD | 35 mph | 1004 mb | 22.5°N 113.5°W | open ocean |
| Sep 22 12:00 | TD low/wave | 29 mph | 1005 mb | 22.3°N 114.2°W | open ocean |
| Sep 22 18:00 | TD low/wave | 29 mph | 1006 mb | 22.1°N 114.8°W | open ocean |
| Sep 23 00:00 | TD low/wave | 29 mph | 1007 mb | 21.9°N 115.1°W | open ocean |
| Sep 23 06:00 | TD low/wave | 29 mph | 1007 mb | 21.6°N 115.4°W | open ocean |
| Sep 23 12:00 | TD low/wave | 29 mph | 1007 mb | 21.3°N 115.7°W | open ocean |
| Sep 23 18:00 | TD low/wave | 23 mph | 1007 mb | 21.0°N 115.8°W | open ocean |
| Sep 24 00:00 | TD low/wave | 23 mph | 1007 mb | 20.6°N 115.9°W | open ocean |
| Sep 24 06:00 | TD low/wave | 23 mph | 1007 mb | 20.2°N 116.0°W | open ocean |
| Sep 24 12:00 | TD low/wave | 23 mph | 1007 mb | 19.7°N 116.2°W | open ocean |
| Sep 24 18:00 | TD low/wave | 23 mph | 1007 mb | 19.3°N 116.4°W | open ocean |
| Sep 25 00:00 | TD low/wave | 23 mph | 1007 mb | 18.9°N 116.9°W | open ocean |
| Sep 25 06:00 | TD low/wave | 23 mph | 1007 mb | 18.5°N 117.5°W | open ocean |
| Sep 25 12:00 | TD low/wave | 23 mph | 1007 mb | 18.0°N 118.2°W | open ocean |
| Sep 25 18:00 | TD low/wave | 23 mph | 1007 mb | 17.4°N 118.8°W | open ocean |
| Sep 26 00:00 | TD low/wave | 23 mph | 1007 mb | 16.9°N 119.5°W | open ocean |
| Sep 26 06:00 | TD low/wave | 23 mph | 1007 mb | 16.5°N 120.2°W | open ocean |
| Sep 26 12:00 | TD low/wave | 23 mph | 1007 mb | 16.0°N 120.8°W | open ocean |
| Sep 26 18:00 | TD low/wave | 23 mph | 1007 mb | 15.5°N 121.4°W | open ocean |