| 23 | 2100 MON OCT 03 | Tropical Depression Otis | 25.6N | 113.4W | NNW | 7 (6) | 1005 (29.68) | 29 (25) |
| 22 | 1500 MON OCT 03 | Tropical Depression Otis | 25.2N | 112.9W | NNW | 7 (6) | 1006 (29.71) | 34 (30) |
| 21 | 0900 MON OCT 03 | Tropical Storm Otis | 24N | 112.8W | NNW | 7 (6) | 1005 (29.68) | 40 (35) |
| 20 | 0300 MON OCT 03 | Tropical Storm Otis | 23.4N | 112.4W | NNW | 6 (5) | 1000 (29.53) | 46 (40) |
| 19 | 2100 SUN OCT 02 | Tropical Storm Otis | 23N | 112.3W | NNW | 7 (6) | 1000 (29.53) | 46 (40) |
| 18 | 1500 SUN OCT 02 | Tropical Storm Otis | 23N | 111.7W | N | 6 (5) | 994 (29.35) | 63 (55) |
| 17 | 0900 SUN OCT 02 | Hurricane Otis | 22.3N | 111.9W | N | 3 (3) | 987 (29.15) | 75 (65) |
| 16 | 0300 SUN OCT 02 | Hurricane Otis | 22.3N | 111.9W | N | 3 (3) | 982 (29) | 86 (75) |
| 15 | 2100 SAT OCT 01 | Hurricane Otis | 22N | 111.9W | N | 3 (3) | 982 (29) | 86 (75) |
| 14 | 1500 SAT OCT 01 | Hurricane Otis | 21.9N | 111.8W | NW | 3 (3) | 979 (28.91) | 98 (85) |
| 13 | 0900 SAT OCT 01 | Hurricane Otis | 21.9N | 111.7W | NW | 5 (4) | 970 (28.64) | 104 (90) |
| 12 | 0300 SAT OCT 01 | Hurricane Otis | 21.7N | 111.4W | NW | 5 (4) | 977 (28.85) | 92 (80) |
| 11 | 2100 FRI SEP 30 | Hurricane Otis | 21.6N | 111.2W | NW | 8 (7) | 980 (28.94) | 86 (75) |
| 10 | 1500 FRI SEP 30 | Hurricane Otis | 21.1N | 110.7W | NW | 8 (7) | 983 (29.03) | 81 (70) |
| 9 | 0900 FRI SEP 30 | Hurricane Otis | 20.7N | 110.3W | NW | 9 (8) | 987 (29.15) | 75 (65) |
| 8 | 0300 FRI SEP 30 | Tropical Storm Otis | 19.9N | 109.7W | NW | 13 (11) | 994 (29.35) | 63 (55) |
| 7 | 2100 THU SEP 29 | Tropical Storm Otis | 18.9N | 109.4W | NW | 13 (11) | 1000 (29.53) | 52 (45) |
| 6 | 1500 THU SEP 29 | Tropical Storm Otis | 17.9N | 108.2W | NW | 9 (8) | 1001 (29.56) | 46 (40) |
| 5 | 0900 THU SEP 29 | Tropical Storm Otis | 17.5N | 107.6W | WNW | 6 (5) | 1003 (29.62) | 40 (35) |
| 4 | 0300 THU SEP 29 | Tropical Depression Fifteen-E | 17.1N | 107.1W | W | 6 (5) | 1004 (29.65) | 34 (30) |
| 3 | 2100 WED SEP 28 | Tropical Depression Fifteen-E | 17.1N | 106.6W | W | 7 (6) | 1005 (29.68) | 34 (30) |
| 2 | 1500 WED SEP 28 | Tropical Depression Fifteen-E | 17N | 105.7W | W | 7 (6) | 1005 (29.68) | 34 (30) |
| 1 | 0900 WED SEP 28 | Tropical Depression Fifteen-E | 17N | 105.4W | W | 7 (6) | 1005 (29.68) | 34 (30) |