Storm Activity: Aug 12, 1977 - Aug 16, 1977
Aug 16 · 12:00 GMT 20 mph 992 mb Extra-Tropical Low
| Aug 16 | 12:00 GMT | 25 | 133 | 20 mph | 992 mb | Extra-Tropical Low | -- |
| Aug 16 | 09:00 GMT | 24.76 | 133.5 | 20 mph | 992 mb | Extra-Tropical Low | -- |
| Aug 16 | 06:00 GMT | 24.5 | 134 | 20 mph | 992 mb | Extra-Tropical Low | -- |
| Aug 16 | 03:00 GMT | 24.23 | 134.5 | 25 mph | 992 mb | Tropical Depression | -- |
| Aug 16 | 00:00 GMT | 24 | 135 | 25 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 21:00 GMT | 23.87 | 135.52 | 25 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 18:00 GMT | 23.8 | 136 | 25 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 15:00 GMT | 23.75 | 136.42 | 30 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 12:00 GMT | 23.7 | 136.8 | 35 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 09:00 GMT | 23.63 | 137.17 | 35 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 06:00 GMT | 23.5 | 137.5 | 35 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 03:00 GMT | 23.29 | 137.74 | 35 mph | 992 mb | Tropical Depression | -- |
| Aug 15 | 00:00 GMT | 23 | 138 | 35 mph | 992 mb | Tropical Depression | -- |
| Aug 14 | 21:00 GMT | 22.62 | 138.44 | 35 mph | 993 mb | Tropical Depression | -- |
| Aug 14 | 18:00 GMT | 22.2 | 138.9 | 35 mph | 994 mb | Tropical Depression | -- |
| Aug 14 | 15:00 GMT | 21.86 | 139.27 | 35 mph | 994 mb | Tropical Depression | -- |
| Aug 14 | 12:00 GMT | 21.5 | 139.5 | 35 mph | 994 mb | Tropical Depression | -- |
| Aug 14 | 09:00 GMT | 20.95 | 139.43 | 35 mph | 994 mb | Tropical Depression | -- |
| Aug 14 | 06:00 GMT | 20.5 | 139.5 | 35 mph | 994 mb | Tropical Depression | -- |
| Aug 14 | 03:00 GMT | 20.35 | 140.14 | 30 mph | 996 mb | Tropical Depression | -- |
| Aug 14 | 00:00 GMT | 20.5 | 141 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 21:00 GMT | 20.92 | 141.75 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 18:00 GMT | 21.5 | 142.5 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 15:00 GMT | 22.11 | 143.25 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 12:00 GMT | 22.5 | 144 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 09:00 GMT | 22.29 | 144.79 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 06:00 GMT | 22 | 145.5 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 03:00 GMT | 22.17 | 146.07 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 13 | 00:00 GMT | 22.5 | 146.5 | 25 mph | 998 mb | Tropical Depression | -- |
| Aug 12 | 21:00 GMT | 22.79 | 146.75 | 25 mph | 999 mb | Extra-Tropical Low | -- |
| Aug 12 | 18:00 GMT | 23 | 147 | 20 mph | 1,000 mb | Extra-Tropical Low | -- |
| Aug 12 | 15:00 GMT | 23.04 | 147.46 | 20 mph | 1,000 mb | Extra-Tropical Low | -- |
| Aug 12 | 12:00 GMT | 23 | 148 | 20 mph | 1,000 mb | Extra-Tropical Low | -- |
| Aug 12 | 09:00 GMT | 22.99 | 148.51 | 20 mph | 1,000 mb | Extra-Tropical Low | -- |
| Aug 12 | 06:00 GMT | 23 | 149 | 20 mph | 1,000 mb | Extra-Tropical Low | -- |
Learn more about Unnamed Tropical Depression and the 1977 Western Pacific hurricane season in our hurricane archive.
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