| 18 | 2100 THU JUN 27 | Post-Tropical Cyclone Cosme | 20.9N | 122.6W | WNW | 17 (15) | 1004 (29.65) | 35 (30) |
| 17 | 1500 THU JUN 27 | Tropical Storm Cosme | 20.4N | 120.9W | WNW | 16 (14) | 1003 (29.62) | 40 (35) |
| 16 | 0900 THU JUN 27 | Tropical Storm Cosme | 20.1N | 119.3W | WNW | 16 (14) | 1002 (29.59) | 45 (39) |
| 15 | 0300 THU JUN 27 | Tropical Storm Cosme | 19.6N | 117.6W | WNW | 14 (12) | 998 (29.47) | 50 (43) |
| 14 | 2100 WED JUN 26 | Tropical Storm Cosme | 19.3N | 116.5W | WNW | 14 (12) | 993 (29.32) | 60 (52) |
| 13 | 1500 WED JUN 26 | Tropical Storm Cosme | 19.1N | 115.6W | WNW | 14 (12) | 988 (29.18) | 70 (61) |
| 12 | 0900 WED JUN 26 | Hurricane Cosme | 18.4N | 114.5W | WNW | 14 (12) | 983 (29.03) | 80 (69) |
| 11 | 0300 WED JUN 26 | Hurricane Cosme | 17.9N | 113.3W | WNW | 14 (12) | 981 (28.97) | 85 (74) |
| 10 | 2100 TUE JUN 25 | Hurricane Cosme | 17.9N | 112.4W | WNW | 17 (15) | 985 (29.09) | 80 (69) |
| 9 | 1500 TUE JUN 25 | Hurricane Cosme | 17.7N | 110.7W | NW | 18 (16) | 987 (29.15) | 75 (65) |
| 8 | 0900 TUE JUN 25 | Tropical Storm Cosme | 16.5N | 109.5W | WNW | 16 (14) | 994 (29.35) | 65 (56) |
| 7 | 0300 TUE JUN 25 | Tropical Storm Cosme | 15.9N | 107.9W | NW | 14 (12) | 994 (29.35) | 65 (56) |
| 6 | 2100 MON JUN 24 | Tropical Storm Cosme | 15N | 107.1W | NW | 14 (12) | 995 (29.38) | 60 (52) |
| 5 | 1500 MON JUN 24 | Tropical Storm Cosme | 14.1N | 105.8W | NW | 13 (11) | 998 (29.47) | 50 (43) |
| 4 | 0900 MON JUN 24 | Tropical Storm Cosme | 12.8N | 105.2W | NW | 10 (9) | 1003 (29.62) | 40 (35) |
| 3 | 0300 MON JUN 24 | Tropical Depression Three-E | 12.6N | 104.4W | NW | 7 (6) | 1005 (29.68) | 35 (30) |
| 2 | 2100 SUN JUN 23 | Tropical Depression Three-E | 12N | 103.7W | STNRY | (0) | 1005 (29.68) | 35 (30) |
| 1 | 1500 SUN JUN 23 | Tropical Depression Three-E | 11.8N | 103.8W | STNRY | (0) | 1005 (29.68) | 35 (30) |