Storm history
| Tropical Depression | Tropical Storm | Category 1 Hurricane | Category 2 Hurricane | Category 3 Hurricane | Category 4 Hurricane | Category 5 Hurricane |
| Advisory | Date | Lat | Long | Moving (mph) | Pressure (mb) | Winds (mph) |
|---|---|---|---|---|---|---|
| 1 | 21:00 GMT, Mon Sep 11 2017 | 16.4 | -112.3 | W at 15 | 1006 | 30 |
| 2 | 03:00 GMT, Tue Sep 12 2017 | 16.2 | -113.6 | W at 14 | 1006 | 30 |
| 3 | 09:00 GMT, Tue Sep 12 2017 | 15.8 | -115.1 | W at 15 | 1006 | 30 |
| 4 | 15:00 GMT, Tue Sep 12 2017 | 15.6 | -116.2 | W at 15 | 1004 | 35 |
| 5 | 21:00 GMT, Tue Sep 12 2017 | 15.6 | -117.5 | W at 14 | 1004 | 35 |
| 6 | 03:00 GMT, Wed Sep 13 2017 | 15.4 | -118.6 | W at 13 | 1004 | 35 |
| 7 | 09:00 GMT, Wed Sep 13 2017 | 14.9 | -119.4 | W at 9 | 1004 | 35 |
| 8 | 15:00 GMT, Wed Sep 13 2017 | 14.9 | -120.6 | W at 9 | 1005 | 35 |
| 9 | 21:00 GMT, Wed Sep 13 2017 | 15.1 | -121.3 | W at 7 | 1005 | 35 |
| 10 | 03:00 GMT, Thu Sep 14 2017 | 15.1 | -121.3 | W at 2 | 1006 | 35 |
| 11 | 09:00 GMT, Thu Sep 14 2017 | 15.3 | -122.2 | WNW at 5 | 1005 | 35 |
| 12 | 15:00 GMT, Thu Sep 14 2017 | 15.4 | -122.8 | W at 5 | 1005 | 35 |
| 13 | 21:00 GMT, Thu Sep 14 2017 | 15.6 | -123.3 | W at 5 | 1005 | 35 |
| 14 | 03:00 GMT, Fri Sep 15 2017 | 15.8 | -124.1 | WNW at 6 | 1005 | 35 |
| 15 | 09:00 GMT, Fri Sep 15 2017 | 15.9 | -124.5 | W at 5 | 1005 | 35 |
| 16 | 15:00 GMT, Fri Sep 15 2017 | 15.9 | -125 | W at 5 | 1006 | 35 |
| 17 | 21:00 GMT, Fri Sep 15 2017 | 16 | -125.3 | W at 3 | 1006 | 35 |
| 18 | 03:00 GMT, Sat Sep 16 2017 | 16 | -125.4 | W at 2 | 1006 | 35 |
| 19 | 09:00 GMT, Sat Sep 16 2017 | 15.8 | -126 | W at 2 | 1007 | 30 |
| 20 | 15:00 GMT, Sat Sep 16 2017 | 15.8 | -126.5 | W at 2 | 1005 | 35 |
| 21 | 21:00 GMT, Sat Sep 16 2017 | 15.9 | -127 | W at 3 | 1004 | 40 |
| 22 | 03:00 GMT, Sun Sep 17 2017 | 15.9 | -127.3 | W at 3 | 1003 | 45 |
| 23 | 09:00 GMT, Sun Sep 17 2017 | 16.1 | -127.4 | NW at 2 | 1001 | 50 |
| 24 | 15:00 GMT, Sun Sep 17 2017 | 16.3 | -127.3 | N at 2 | 999 | 60 |
| 25 | 21:00 GMT, Sun Sep 17 2017 | 17 | -127.3 | N at 5 | 973 | 105 |
| 26 | 03:00 GMT, Mon Sep 18 2017 | 18 | -127.2 | N at 8 | 965 | 115 |
| 27 | 09:00 GMT, Mon Sep 18 2017 | 18.5 | -127.3 | N at 6 | 976 | 100 |
| 28 | 15:00 GMT, Mon Sep 18 2017 | 19 | -127.4 | N at 2 | 993 | 70 |
| 29 | 21:00 GMT, Mon Sep 18 2017 | 19.1 | -127.6 | W at 2 | 1005 | 45 |
| 30 | 03:00 GMT, Tue Sep 19 2017 | 19.4 | -127.7 | W at 5 | 1005 | 40 |
| 31 | 09:00 GMT, Tue Sep 19 2017 | 19 | -127.9 | WSW at 3 | 1005 | 40 |
| 32 | 15:00 GMT, Tue Sep 19 2017 | 19 | -128.6 | W at 6 | 1006 | 35 |
