Storm Activity: Sep 10, 1973 - Sep 15, 1973
Sep 15 · 18:00 GMT -- 1,004 mb Tropical Depression
| Sep 15 | 18:00 GMT | 20 | 103 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 15 | 15:00 GMT | 20 | 103.5 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 15 | 12:00 GMT | 20 | 104 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 15 | 09:00 GMT | 20.01 | 104.5 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 15 | 06:00 GMT | 20 | 105 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 15 | 03:00 GMT | 19.91 | 105.5 | -- | 995 mb | Unknown | -- |
| Sep 15 | 00:00 GMT | 19.8 | 106 | -- | 990 mb | Unknown | -- |
| Sep 14 | 21:00 GMT | 19.75 | 106.49 | -- | 985 mb | Unknown | -- |
| Sep 14 | 18:00 GMT | 19.7 | 107 | -- | 980 mb | Unknown | -- |
| Sep 14 | 15:00 GMT | 19.61 | 107.54 | -- | 980 mb | Unknown | -- |
| Sep 14 | 12:00 GMT | 19.5 | 108.1 | -- | 980 mb | Unknown | -- |
| Sep 14 | 09:00 GMT | 19.39 | 108.67 | -- | 980 mb | Unknown | -- |
| Sep 14 | 06:00 GMT | 19.3 | 109.2 | -- | 980 mb | Unknown | -- |
| Sep 14 | 03:00 GMT | 19.24 | 109.59 | -- | 977 mb | Unknown | -- |
| Sep 14 | 00:00 GMT | 19.2 | 110 | -- | 975 mb | Unknown | -- |
| Sep 13 | 21:00 GMT | 19.15 | 110.57 | -- | 970 mb | Unknown | -- |
| Sep 13 | 18:00 GMT | 19.1 | 111.2 | -- | 965 mb | Unknown | -- |
| Sep 13 | 15:00 GMT | 19.06 | 111.81 | -- | 965 mb | Unknown | -- |
| Sep 13 | 12:00 GMT | 19 | 112.4 | -- | 965 mb | Unknown | -- |
| Sep 13 | 09:00 GMT | 18.91 | 112.96 | -- | 967 mb | Unknown | -- |
| Sep 13 | 06:00 GMT | 18.8 | 113.5 | -- | 970 mb | Unknown | -- |
| Sep 13 | 03:00 GMT | 18.65 | 114.03 | -- | 977 mb | Unknown | -- |
| Sep 13 | 00:00 GMT | 18.5 | 114.6 | -- | 985 mb | Unknown | -- |
| Sep 12 | 21:00 GMT | 18.38 | 115.29 | -- | 991 mb | Unknown | -- |
| Sep 12 | 18:00 GMT | 18.3 | 116 | -- | 998 mb | Unknown | -- |
| Sep 12 | 15:00 GMT | 18.33 | 116.69 | -- | 997 mb | Unknown | -- |
| Sep 12 | 12:00 GMT | 18.3 | 117.3 | -- | 996 mb | Unknown | -- |
| Sep 12 | 09:00 GMT | 18.03 | 117.75 | -- | 999 mb | Unknown | -- |
| Sep 12 | 06:00 GMT | 17.7 | 118.2 | -- | 1,002 mb | Unknown | -- |
| Sep 12 | 03:00 GMT | 17.46 | 118.83 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 12 | 00:00 GMT | 17.3 | 119.5 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 11 | 21:00 GMT | 17.27 | 120.1 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 11 | 18:00 GMT | 17.3 | 120.7 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 15:00 GMT | 17.31 | 121.35 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 11 | 12:00 GMT | 17.3 | 122 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 11 | 09:00 GMT | 17.26 | 122.6 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 11 | 06:00 GMT | 17.2 | 123.2 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 03:00 GMT | 17.14 | 123.85 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 00:00 GMT | 17 | 124.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 21:00 GMT | 16.7 | 125.14 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 10 | 18:00 GMT | 16.3 | 125.7 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 10 | 15:00 GMT | 15.9 | 126.13 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 10 | 12:00 GMT | 15.5 | 126.5 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 10 | 09:00 GMT | 15.15 | 126.91 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 10 | 06:00 GMT | 14.8 | 127.3 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 10 | 03:00 GMT | 14.41 | 127.66 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 10 | 00:00 GMT | 14 | 128 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Tropical Depression Marge and the 1973 Western Pacific hurricane season in our hurricane archive.
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