| 30 | 1500 FRI SEP 06 | Tropical Depression Hernan | 23.5N | 124.5W | NW | 1 (1) | 1009 (29.8) | 29 (25) |
| 29 | 0900 FRI SEP 06 | Tropical Depression Hernan | 24.1N | 124.3W | N | 7 (6) | 1009 (29.8) | 29 (25) |
| 28 | 0300 FRI SEP 06 | Tropical Depression Hernan | 23.5N | 124.3W | N | 5 (4) | 1006 (29.71) | 34 (30) |
| 27 | 2100 THU SEP 05 | Tropical Depression Hernan | 23.1N | 124.5W | NW | 7 (6) | 1006 (29.71) | 34 (30) |
| 26 | 1500 THU SEP 05 | Tropical Depression Hernan | 22.2N | 124W | NW | 3 (3) | 1004 (29.65) | 34 (30) |
| 25 | 0900 THU SEP 05 | Tropical Storm Hernan | 22.1N | 123.9W | NW | 6 (5) | 1002 (29.59) | 40 (35) |
| 24 | 0300 THU SEP 05 | Tropical Storm Hernan | 22N | 123.8W | NW | 9 (8) | 1002 (29.59) | 46 (40) |
| 23 | 2100 WED SEP 04 | Tropical Storm Hernan | 21.3N | 123.1W | NW | 9 (8) | 997 (29.44) | 52 (45) |
| 22 | 1500 WED SEP 04 | Tropical Storm Hernan | 21N | 122.5W | NW | 12 (10) | 994 (29.35) | 63 (55) |
| 21 | 0900 WED SEP 04 | Hurricane Hernan | 20.5N | 122W | WNW | 10 (9) | 987 (29.15) | 75 (65) |
| 20 | 0300 WED SEP 04 | Hurricane Hernan | 19.7N | 121.2W | WNW | 9 (8) | 983 (29.03) | 81 (70) |
| 19 | 2100 TUE SEP 03 | Hurricane Hernan | 19.4N | 120.5W | WNW | 12 (10) | 976 (28.82) | 86 (75) |
| 18 | 1500 TUE SEP 03 | Hurricane Hernan | 19.3N | 119.7W | WNW | 10 (9) | 975 (28.79) | 98 (85) |
| 17 | 0900 TUE SEP 03 | Hurricane Hernan | 18.9N | 118.7W | W | 10 (9) | 970 (28.64) | 104 (90) |
| 16 | 0300 TUE SEP 03 | Hurricane Hernan | 18.9N | 117.8W | WNW | 12 (10) | 965 (28.5) | 109 (95) |
| 15 | 2100 MON SEP 02 | Hurricane Hernan | 18.8N | 116.8W | WNW | 10 (9) | 956 (28.23) | 115 (100) |
| 14 | 1500 MON SEP 02 | Hurricane Hernan | 18.5N | 115.9W | W | 12 (10) | 952 (28.11) | 121 (105) |
| 13 | 0900 MON SEP 02 | Hurricane Hernan | 18.5N | 114.8W | WNW | 12 (10) | 948 (27.99) | 132 (115) |
| 12 | 0300 MON SEP 02 | Hurricane Hernan | 18.1N | 114W | WNW | 14 (12) | 927 (27.37) | 155 (135) |
| 11 | 2100 SUN SEP 01 | Hurricane Hernan | 17.8N | 112.8W | WNW | 13 (11) | 921 (27.2) | 161 (140) |
| 10 | 1500 SUN SEP 01 | Hurricane Hernan | 17.4N | 111.5W | WNW | 12 (10) | 921 (27.2) | 161 (140) |
| 9 | 0900 SUN SEP 01 | Hurricane Hernan | 17N | 110.6W | WNW | 14 (12) | 931 (27.49) | 150 (130) |
| 8 | 0300 SUN SEP 01 | Hurricane Hernan | 16.7N | 109.3W | WNW | 12 (10) | 948 (27.99) | 132 (115) |
| 7 | 2100 SAT AUG 31 | Hurricane Hernan | 15.9N | 108.3W | WNW | 12 (10) | 962 (28.41) | 121 (105) |
| 6 | 1500 SAT AUG 31 | Hurricane Hernan | 15.3N | 107.3W | W | 12 (10) | 970 (28.64) | 104 (90) |
| 5 | 0900 SAT AUG 31 | Hurricane Hernan | 15.3N | 106.5W | WNW | 12 (10) | 987 (29.15) | 81 (70) |
| 4 | 0300 SAT AUG 31 | Tropical Storm Hernan | 14.9N | 105.4W | WNW | 10 (9) | 991 (29.26) | 69 (60) |
| 3 | 2100 FRI AUG 30 | Tropical Storm Hernan | 14.4N | 104.3W | NW | 8 (7) | 1000 (29.53) | 52 (45) |
| 2 | 1500 FRI AUG 30 | Tropical Storm Hernan | 13.9N | 103.2W | NNW | 3 (3) | 1004 (29.65) | 40 (35) |
| 1 | 0900 FRI AUG 30 | Tropical Depression Ten-E | 13.6N | 103.2W | WNW | 5 (4) | 1006 (29.71) | 34 (30) |