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 | 03:00 GMT, Sat Sep 1 2018 | 14.3 | -108.4 | W at 10 | 1007 | 35 |
| 2 | 09:00 GMT, Sat Sep 1 2018 | 14.7 | -109.3 | W at 8 | 1007 | 35 |
| 3 | 15:00 GMT, Sat Sep 1 2018 | 14.9 | -110 | W at 9 | 1007 | 35 |
| 4 | 21:00 GMT, Sat Sep 1 2018 | 14.9 | -111.1 | W at 12 | 1006 | 35 |
| 5 | 03:00 GMT, Sun Sep 2 2018 | 15.2 | -111.8 | W at 10 | 1006 | 35 |
| 6 | 09:00 GMT, Sun Sep 2 2018 | 16 | -112.2 | WNW at 9 | 1002 | 45 |
| 7 | 15:00 GMT, Sun Sep 2 2018 | 17 | -112.4 | NW at 7 | 1002 | 45 |
| 8 | 21:00 GMT, Sun Sep 2 2018 | 17 | -113.4 | WNW at 7 | 1002 | 45 |
| 9 | 03:00 GMT, Mon Sep 3 2018 | 17.1 | -113.6 | WNW at 5 | 1002 | 45 |
| 10 | 09:00 GMT, Mon Sep 3 2018 | 17.1 | -114.2 | W at 7 | 1002 | 45 |
| 11 | 15:00 GMT, Mon Sep 3 2018 | 16.5 | -114.5 | W at 7 | 994 | 65 |
| 12 | 21:00 GMT, Mon Sep 3 2018 | 16.6 | -115.2 | W at 8 | 991 | 70 |
| 13 | 03:00 GMT, Tue Sep 4 2018 | 16.8 | -116 | W at 9 | 987 | 75 |
| 14 | 09:00 GMT, Tue Sep 4 2018 | 16.9 | -117.2 | W at 12 | 985 | 80 |
| 15 | 15:00 GMT, Tue Sep 4 2018 | 17 | -118.2 | W at 12 | 971 | 105 |
| 16 | 21:00 GMT, Tue Sep 4 2018 | 16.9 | -119.2 | W at 12 | 959 | 120 |
| 17 | 03:00 GMT, Wed Sep 5 2018 | 16.7 | -120.1 | W at 12 | 955 | 125 |
| 18 | 09:00 GMT, Wed Sep 5 2018 | 16.9 | -121.2 | W at 12 | 965 | 115 |
| 19 | 15:00 GMT, Wed Sep 5 2018 | 17.1 | -122.3 | W at 13 | 967 | 110 |
| 20 | 21:00 GMT, Wed Sep 5 2018 | 17.3 | -123.5 | WNW at 13 | 974 | 100 |
| 21 | 03:00 GMT, Thu Sep 6 2018 | 17.7 | -124.6 | WNW at 14 | 979 | 100 |
| 22 | 09:00 GMT, Thu Sep 6 2018 | 18.1 | -125.8 | WNW at 14 | 970 | 105 |
| 23 | 12:00 GMT, Thu Sep 6 2018 | 18.2 | -126.5 | WNW at 14 | 959 | 120 |
| 24 | 15:00 GMT, Thu Sep 6 2018 | 18.4 | -127.2 | WNW at 15 | 959 | 120 |
| 25 | 21:00 GMT, Thu Sep 6 2018 | 18.6 | -128.5 | WNW at 14 | 954 | 125 |
| 26 | 03:00 GMT, Fri Sep 7 2018 | 19.1 | -129.7 | WNW at 14 | 948 | 130 |
| 27 | 09:00 GMT, Fri Sep 7 2018 | 19.6 | -131.2 | WNW at 15 | 955 | 125 |
| 28 | 15:00 GMT, Fri Sep 7 2018 | 20.1 | -132.5 | WNW at 16 | 964 | 115 |
| 29 | 21:00 GMT, Fri Sep 7 2018 | 20.5 | -133.9 | WNW at 16 | 968 | 110 |
| 30 | 03:00 GMT, Sat Sep 8 2018 | 20.9 | -135.2 | WNW at 15 | 975 | 100 |
| 31 | 09:00 GMT, Sat Sep 8 2018 | 21.2 | -136.6 | WNW at 15 | 980 | 90 |
| 32 | 15:00 GMT, Sat Sep 8 2018 | 21.4 | -138 | W at 15 | 983 | 85 |
| 33 | 21:00 GMT, Sat Sep 8 2018 | 21.7 | -139.4 | W at 15 | 983 | 85 |
| 34 | 03:00 GMT, Sun Sep 9 2018 | 21.8 | -140.8 | W at 16 | 985 | 80 |
| 35 | 09:00 GMT, Sun Sep 9 2018 | 21.8 | -142.5 | W at 16 | 985 | 80 |
| 36 | 15:00 GMT, Sun Sep 9 2018 | 21.8 | -143.9 | W at 16 | 989 | 75 |
| 37 | 21:00 GMT, Sun Sep 9 2018 | 21.7 | -145.1 | W at 14 | 988 | 75 |
| 38 | 03:00 GMT, Mon Sep 10 2018 | 21.7 | -146.1 | W at 12 | 988 | 75 |
| 38A | 06:00 GMT, Mon Sep 10 2018 | 21.7 | -146.5 | W at 11 | 983 | 75 |
| 39 | 09:00 GMT, Mon Sep 10 2018 | 21.7 | -146.9 | W at 9 | 980 | 85 |
| 39A | 12:00 GMT, Mon Sep 10 2018 | 21.7 | -147.6 | W at 10 | 980 | 85 |
| 40 | 15:00 GMT, Mon Sep 10 2018 | 21.7 | -148 | W at 10 | 980 | 85 |
| 40A | 18:00 GMT, Mon Sep 10 2018 | 21.8 | -148.1 | W at 8 | 980 | 85 |
| 41 | 21:00 GMT, Mon Sep 10 2018 | 21.7 | -148.7 | W at 9 | 986 | 75 |
| 41A | 00:00 GMT, Tue Sep 11 2018 | 21.9 | -149.1 | W at 9 | 991 | 70 |
| 42 | 03:00 GMT, Tue Sep 11 2018 | 21.9 | -149.7 | W at 10 | 991 | 70 |
| 42A | 06:00 GMT, Tue Sep 11 2018 | 22 | -149.9 | WNW at 9 | 991 | 70 |
| 43 | 09:00 GMT, Tue Sep 11 2018 | 22 | -150.1 | W at 9 | 996 | 70 |
| 44 | 15:00 GMT, Tue Sep 11 2018 | 21.9 | -151.1 | W at 10 | 999 | 65 |
| 44A | 18:00 GMT, Tue Sep 11 2018 | 21.6 | -151.9 | W at 10 | 999 | 65 |
| 45 | 21:00 GMT, Tue Sep 11 2018 | 21.6 | -152.3 | W at 17 | 1000 | 60 |
| 45A | 00:00 GMT, Wed Sep 12 2018 | 21.2 | -153.8 | WSW at 21 | 1002 | 55 |
| 46 | 03:00 GMT, Wed Sep 12 2018 | 20.9 | -154.2 | W at 15 | 1003 | 50 |
| 46A | 06:00 GMT, Wed Sep 12 2018 | 20.8 | -154.4 | SW at 8 | 1003 | 50 |
| 47 | 09:00 GMT, Wed Sep 12 2018 | 20.8 | -154.6 | WSW at 8 | 1005 | 45 |
| 47A | 12:00 GMT, Wed Sep 12 2018 | 20.8 | -155 | WSW at 7 | 1005 | 45 |
| 48 | 15:00 GMT, Wed Sep 12 2018 | 21.2 | -155.7 | W at 12 | 1005 | 45 |
| 48U1 | 17:05 GMT, Wed Sep 12 2018 | 21.1 | -156 | W at 12 | 1005 | 45 |
| 48A | 18:00 GMT, Wed Sep 12 2018 | 21.1 | -156.1 | W at 10 | 1005 | 45 |
| 48AU1 | 19:45 GMT, Wed Sep 12 2018 | 21 | -156.6 | W at 14 | 1005 | 45 |
| 48AU2 | 20:20 GMT, Wed Sep 12 2018 | 20.9 | -156.9 | W at 15 | 1005 | 45 |
| 49 | 21:00 GMT, Wed Sep 12 2018 | 20.9 | -157.1 | W at 15 | 1005 | 45 |
| 49U1 | 22:05 GMT, Wed Sep 12 2018 | 20.8 | -157.5 | W at 15 | 1005 | 45 |
| 49U2 | 23:00 GMT, Wed Sep 12 2018 | 20.7 | -157.8 | WSW at 18 | 1006 | 45 |
| 49A | 00:00 GMT, Thu Sep 13 2018 | 20.6 | -158.1 | W at 20 | 1007 | 40 |
| 50 | 03:00 GMT, Thu Sep 13 2018 | 20.1 | -159 | WSW at 20 | 1007 | 40 |
| 51 | 09:00 GMT, Thu Sep 13 2018 | 20 | -160.6 | WSW at 18 | 1008 | 35 |
| 52 | 15:00 GMT, Thu Sep 13 2018 | 19.5 | -162.2 | WSW at 18 | 1008 | 35 |
| 53 | 21:00 GMT, Thu Sep 13 2018 | 18.7 | -163 | WSW at 14 | 1009 | 35 |
| 54 | 03:00 GMT, Fri Sep 14 2018 | 18.9 | -164.2 | W at 15 | 1009 | 35 |
