Storm Activity: Jul 24, 1975 - Jul 30, 1975
Jul 30 · 18:00 GMT -- 998 mb Tropical Depression
| Jul 30 | 18:00 GMT | 35 | 125 | -- | 998 mb | Tropical Depression | -- |
| Jul 30 | 15:00 GMT | 34.29 | 125.89 | -- | 998 mb | Tropical Depression | -- |
| Jul 30 | 12:00 GMT | 33.6 | 126.8 | -- | 998 mb | Tropical Depression | -- |
| Jul 30 | 09:00 GMT | 32.96 | 127.76 | -- | 995 mb | Unknown | -- |
| Jul 30 | 06:00 GMT | 32.3 | 128.7 | -- | 992 mb | Unknown | -- |
| Jul 30 | 03:00 GMT | 31.59 | 129.59 | -- | 993 mb | Unknown | -- |
| Jul 30 | 00:00 GMT | 30.8 | 130.4 | -- | 994 mb | Unknown | -- |
| Jul 29 | 21:00 GMT | 29.88 | 131.12 | -- | 996 mb | Unknown | -- |
| Jul 29 | 18:00 GMT | 29 | 131.7 | -- | 998 mb | Unknown | -- |
| Jul 29 | 15:00 GMT | 28.3 | 132.16 | -- | 998 mb | Unknown | -- |
| Jul 29 | 12:00 GMT | 27.8 | 132.5 | -- | 998 mb | Unknown | -- |
| Jul 29 | 09:00 GMT | 27.52 | 132.75 | -- | 998 mb | Unknown | -- |
| Jul 29 | 06:00 GMT | 27.3 | 133 | -- | 998 mb | Unknown | -- |
| Jul 29 | 03:00 GMT | 26.91 | 133.33 | -- | 998 mb | Unknown | -- |
| Jul 29 | 00:00 GMT | 26.5 | 133.8 | -- | 998 mb | Unknown | -- |
| Jul 28 | 21:00 GMT | 26.16 | 134.45 | -- | 997 mb | Unknown | -- |
| Jul 28 | 18:00 GMT | 25.9 | 135.2 | -- | 996 mb | Unknown | -- |
| Jul 28 | 15:00 GMT | 25.75 | 135.96 | -- | 996 mb | Unknown | -- |
| Jul 28 | 12:00 GMT | 25.6 | 136.7 | -- | 996 mb | Unknown | -- |
| Jul 28 | 09:00 GMT | 25.3 | 137.39 | -- | 996 mb | Unknown | -- |
| Jul 28 | 06:00 GMT | 25 | 138 | -- | 996 mb | Unknown | -- |
| Jul 28 | 03:00 GMT | 24.83 | 138.51 | -- | 995 mb | Unknown | -- |
| Jul 28 | 00:00 GMT | 24.7 | 139 | -- | 994 mb | Unknown | -- |
| Jul 27 | 21:00 GMT | 24.58 | 139.62 | -- | 994 mb | Unknown | -- |
| Jul 27 | 18:00 GMT | 24.4 | 140.2 | -- | 994 mb | Unknown | -- |
| Jul 27 | 15:00 GMT | 24.09 | 140.63 | -- | 994 mb | Tropical Depression | -- |
| Jul 27 | 12:00 GMT | 23.7 | 141 | -- | 994 mb | Tropical Depression | -- |
| Jul 27 | 09:00 GMT | 23.28 | 141.41 | -- | 996 mb | Tropical Depression | -- |
| Jul 27 | 06:00 GMT | 22.9 | 141.8 | -- | 998 mb | Tropical Depression | -- |
| Jul 27 | 03:00 GMT | 22.67 | 142.18 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 27 | 00:00 GMT | 22.5 | 142.5 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 26 | 21:00 GMT | 22.32 | 142.72 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 26 | 18:00 GMT | 22.1 | 142.9 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 26 | 15:00 GMT | 21.76 | 143.1 | -- | 1,001 mb | Tropical Depression | -- |
| Jul 26 | 12:00 GMT | 21.4 | 143.3 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 26 | 09:00 GMT | 21.12 | 143.49 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 26 | 06:00 GMT | 20.9 | 143.7 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 26 | 03:00 GMT | 20.73 | 143.96 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 26 | 00:00 GMT | 20.6 | 144.2 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 25 | 21:00 GMT | 20.51 | 144.35 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 25 | 18:00 GMT | 20.4 | 144.5 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 25 | 15:00 GMT | 20.23 | 144.79 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 25 | 12:00 GMT | 20 | 145 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 25 | 09:00 GMT | 19.72 | 144.95 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 25 | 06:00 GMT | 19.4 | 144.8 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 25 | 03:00 GMT | 19.08 | 144.7 | -- | 1,009 mb | Tropical Depression | -- |
| Jul 25 | 00:00 GMT | 18.8 | 144.6 | -- | 1,010 mb | Tropical Depression | -- |
| Jul 24 | 21:00 GMT | 18.63 | 144.52 | -- | 1,009 mb | Tropical Depression | -- |
| Jul 24 | 18:00 GMT | 18.5 | 144.4 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 24 | 15:00 GMT | 18.38 | 144.23 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 24 | 12:00 GMT | 18.2 | 144 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 24 | 09:00 GMT | 17.89 | 143.72 | -- | 1,008 mb | Tropical Depression | -- |
| Jul 24 | 06:00 GMT | 17.5 | 143.4 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Tropical Depression Mamie and the 1975 Western Pacific hurricane season in our hurricane archive.
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