| 20 | 1500 SUN AUG 21 | Post-Tropical Cyclone
Greg | 20.3N | 122.8W | W | 9 (8) | 1008 (29.77) | 35 (30) |
| 19 | 0900 SUN AUG 21 | Tropical Depression
Greg | 20.2N | 121.9W | WNW | 8 (7) | 1008 (29.77) | 35 (30) |
| 18 | 0300 SUN AUG 21 | Tropical Depression
Greg | 20.1N | 121W | WNW | 7 (6) | 1008 (29.77) | 35 (30) |
| 17 | 2100 SAT AUG 20 | Tropical Storm
Greg | 19.9N | 120.5W | WNW | 9 (8) | 1006 (29.71) | 40 (35) |
| 16 | 1500 SAT AUG 20 | Tropical Storm
Greg | 19.7N | 120W | W | 10 (9) | 1004 (29.65) | 40 (35) |
| 15 | 0900 SAT AUG 20 | Tropical Storm
Greg | 19.7N | 119W | W | 10 (9) | 1000 (29.53) | 45 (39) |
| 14 | 0300 SAT AUG 20 | Tropical Storm
Greg | 19.7N | 118.1W | W | 12 (10) | 996 (29.41) | 50 (43) |
| 13 | 2100 FRI AUG 19 | Tropical Storm
Greg | 19.6N | 117W | W | 12 (10) | 994 (29.35) | 60 (52) |
| 12 | 1500 FRI AUG 19 | Tropical Storm
Greg | 19.1N | 115.7W | W | 9 (8) | 991 (29.26) | 65 (56) |
| 11 | 0900 FRI AUG 19 | Hurricane
Greg | 19.1N | 115.1W | W | 14 (12) | 987 (29.15) | 75 (65) |
| 10 | 0300 FRI AUG 19 | Hurricane
Greg | 18.9N | 113.9W | WNW | 14 (12) | 982 (29) | 80 (69) |
| 9 | 2100 THU AUG 18 | Hurricane
Greg | 18.8N | 112.6W | WNW | 14 (12) | 980 (28.94) | 85 (74) |
| 8 | 1500 THU AUG 18 | Hurricane
Greg | 18.5N | 111.5W | WNW | 18 (16) | 980 (28.94) | 85 (74) |
| 7 | 0900 THU AUG 18 | Hurricane
Greg | 18N | 109.9W | WNW | 21 (18) | 985 (29.09) | 80 (69) |
| 6 | 0300 THU AUG 18 | Hurricane
Greg | 17.5N | 108.3W | WNW | 22 (19) | 987 (29.15) | 75 (65) |
| 5 | 2100 WED AUG 17 | Tropical Storm
Greg | 17.1N | 106.5W | WNW | 23 (20) | 994 (29.35) | 65 (56) |
| 4 | 1500 WED AUG 17 | Tropical Storm
Greg | 16.7N | 104.2W | WNW | 21 (18) | 1000 (29.53) | 50 (43) |
| 3 | 0900 WED AUG 17 | Tropical Storm
Greg | 15.8N | 102.2W | WNW | 16 (14) | 1004 (29.65) | 40 (35) |
| 2 | 0300 WED AUG 17 | Tropical Depression
Seven-E | 15N | 100.8W | WNW | 14 (12) | 1006 (29.71) | 35 (30) |
| 1 | 2100 TUE AUG 16 | Tropical Depression
Seven-E | 13.8N | 99.6W | WNW | 13 (11) | 1006 (29.71) | 35 (30) |
