Storm Activity: Sep 3, 1977 - Sep 4, 1977
Sep 4 · 12:00 GMT 30 mph -- Tropical Depression
| Sep 4 | 12:00 GMT | 21.1 | -111 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 12:00 GMT | 21.1 | -111 | 30 mph | -- | Dissipating | -- |
| Sep 4 | 09:00 GMT | 21.05 | -110.63 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 09:00 GMT | 21.08 | -110.5 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 06:00 GMT | 21 | -110.2 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 06:00 GMT | 21.05 | -110 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 03:00 GMT | 20.98 | -109.66 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 03:00 GMT | 21.03 | -109.5 | 30 mph | -- | Tropical Depression | -- |
| Sep 4 | 00:00 GMT | 21 | -109 | 35 mph | -- | Tropical Depression | -- |
| Sep 4 | 00:00 GMT | 21 | -109 | 35 mph | -- | Tropical Depression | -- |
| Sep 3 | 21:00 GMT | 21.08 | -108.25 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 21:00 GMT | 21.13 | -108.13 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 18:00 GMT | 21.2 | -107.4 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 18:00 GMT | 21.26 | -107.25 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 15:00 GMT | 21.35 | -106.47 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 15:00 GMT | 21.38 | -106.38 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 12:00 GMT | 21.5 | -105.5 | 30 mph | -- | Tropical Depression | -- |
| Sep 3 | 12:00 GMT | 21.5 | -105.5 | 30 mph | -- | Tropical Depression | -- |
Learn more about Unnamed Tropical Depression and the 1977 Eastern Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones