Storm Activity: Aug 12, 1974 - Aug 27, 1974
Aug 27 · 00:00 GMT -- 1,012 mb Tropical Depression
| Aug 27 | 00:00 GMT | 44 | 149 | -- | 1,012 mb | Tropical Depression | -- |
| Aug 26 | 21:00 GMT | 43.42 | 148.06 | -- | 1,008 mb | Tropical Depression | -- |
| Aug 26 | 18:00 GMT | 42.8 | 147 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 26 | 15:00 GMT | 42.07 | 145.7 | -- | 1,003 mb | Tropical Depression | -- |
| Aug 26 | 12:00 GMT | 41 | 144 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 26 | 09:00 GMT | 39.35 | 141.64 | -- | 998 mb | Unknown | -- |
| Aug 26 | 06:00 GMT | 37.5 | 139.5 | -- | 995 mb | Unknown | -- |
| Aug 26 | 03:00 GMT | 35.91 | 138.33 | -- | 985 mb | Unknown | -- |
| Aug 26 | 00:00 GMT | 34.5 | 137.7 | -- | 975 mb | Unknown | -- |
| Aug 25 | 21:00 GMT | 33.24 | 137.31 | -- | 975 mb | Unknown | -- |
| Aug 25 | 18:00 GMT | 32.1 | 137 | -- | 975 mb | Unknown | -- |
| Aug 25 | 15:00 GMT | 30.95 | 136.45 | -- | 972 mb | Unknown | -- |
| Aug 25 | 12:00 GMT | 29.9 | 135.8 | -- | 970 mb | Unknown | -- |
| Aug 25 | 09:00 GMT | 28.99 | 135.17 | -- | 970 mb | Unknown | -- |
| Aug 25 | 06:00 GMT | 28.2 | 134.5 | -- | 970 mb | Unknown | -- |
| Aug 25 | 03:00 GMT | 27.42 | 133.77 | -- | 967 mb | Unknown | -- |
| Aug 25 | 00:00 GMT | 26.8 | 133 | -- | 965 mb | Unknown | -- |
| Aug 24 | 21:00 GMT | 26.41 | 132.19 | -- | 965 mb | Unknown | -- |
| Aug 24 | 18:00 GMT | 26.2 | 131.4 | -- | 965 mb | Unknown | -- |
| Aug 24 | 15:00 GMT | 26.03 | 130.74 | -- | 967 mb | Unknown | -- |
| Aug 24 | 12:00 GMT | 26 | 130.1 | -- | 970 mb | Unknown | -- |
| Aug 24 | 09:00 GMT | 26.1 | 129.39 | -- | 975 mb | Unknown | -- |
| Aug 24 | 06:00 GMT | 26.3 | 128.7 | -- | 980 mb | Unknown | -- |
| Aug 24 | 03:00 GMT | 26.56 | 128.06 | -- | 984 mb | Unknown | -- |
| Aug 24 | 00:00 GMT | 26.8 | 127.5 | -- | 988 mb | Unknown | -- |
| Aug 23 | 21:00 GMT | 26.89 | 127.03 | -- | 989 mb | Tropical Depression | -- |
| Aug 23 | 18:00 GMT | 27 | 126.6 | -- | 990 mb | Tropical Depression | -- |
| Aug 23 | 15:00 GMT | 27.29 | 126.14 | -- | 992 mb | Tropical Depression | -- |
| Aug 23 | 12:00 GMT | 27.6 | 125.7 | -- | 994 mb | Tropical Depression | -- |
| Aug 23 | 09:00 GMT | 27.83 | 125.33 | -- | 994 mb | Tropical Depression | -- |
| Aug 23 | 06:00 GMT | 28 | 125 | -- | 994 mb | Tropical Depression | -- |
| Aug 23 | 03:00 GMT | 28.14 | 124.66 | -- | -- | Tropical Depression | -- |
| Aug 23 | 00:00 GMT | 28.24 | 124.33 | -- | -- | Tropical Depression | -- |
| Aug 22 | 21:00 GMT | 28.29 | 124 | -- | -- | Tropical Depression | -- |
| Aug 22 | 18:00 GMT | 28.31 | 123.68 | -- | -- | Tropical Depression | -- |
| Aug 22 | 15:00 GMT | 28.3 | 123.37 | -- | -- | Tropical Depression | -- |
| Aug 22 | 12:00 GMT | 28.26 | 123.05 | -- | -- | Tropical Depression | -- |
| Aug 22 | 09:00 GMT | 28.2 | 122.74 | -- | -- | Tropical Depression | -- |
| Aug 22 | 06:00 GMT | 28.12 | 122.43 | -- | -- | Tropical Depression | -- |
| Aug 22 | 03:00 GMT | 28.03 | 122.12 | -- | -- | Tropical Depression | -- |
| Aug 22 | 00:00 GMT | 27.94 | 121.81 | -- | -- | Tropical Depression | -- |
| Aug 21 | 21:00 GMT | 27.84 | 121.49 | -- | -- | Tropical Depression | -- |
| Aug 21 | 18:00 GMT | 27.75 | 121.17 | -- | -- | Tropical Depression | -- |
| Aug 21 | 15:00 GMT | 27.67 | 120.84 | -- | -- | Tropical Depression | -- |
| Aug 21 | 12:00 GMT | 27.6 | 120.5 | -- | 993 mb | Tropical Depression | -- |
| Aug 21 | 09:00 GMT | 27.5 | 120.12 | -- | 992 mb | Tropical Depression | -- |
| Aug 21 | 06:00 GMT | 27.5 | 119.8 | -- | 992 mb | Tropical Depression | -- |
| Aug 21 | 03:00 GMT | 27.71 | 119.59 | -- | 992 mb | Tropical Depression | -- |
| Aug 21 | 00:00 GMT | 28 | 119.5 | -- | 993 mb | Tropical Depression | -- |
| Aug 20 | 21:00 GMT | 28.21 | 119.5 | -- | 992 mb | Tropical Depression | -- |
| Aug 20 | 18:00 GMT | 28.4 | 119.6 | -- | 992 mb | Tropical Depression | -- |
| Aug 20 | 15:00 GMT | 28.62 | 119.79 | -- | 992 mb | Tropical Depression | -- |
| Aug 20 | 12:00 GMT | 28.8 | 120 | -- | 992 mb | Tropical Depression | -- |
| Aug 20 | 09:00 GMT | 28.93 | 120.14 | -- | 991 mb | Unknown | -- |
| Aug 20 | 06:00 GMT | 29 | 120.3 | -- | 990 mb | Unknown | -- |
| Aug 20 | 03:00 GMT | 29.02 | 120.55 | -- | 987 mb | Unknown | -- |
| Aug 20 | 00:00 GMT | 29 | 120.8 | -- | 984 mb | Unknown | -- |
| Aug 19 | 21:00 GMT | 28.94 | 120.88 | -- | 979 mb | Unknown | -- |
| Aug 19 | 18:00 GMT | 28.9 | 121.1 | -- | 975 mb | Unknown | -- |
| Aug 19 | 15:00 GMT | 28.95 | 121.81 | -- | 975 mb | Unknown | -- |
| Aug 19 | 12:00 GMT | 29 | 122.6 | -- | 975 mb | Unknown | -- |
| Aug 19 | 09:00 GMT | 28.98 | 123.09 | -- | 975 mb | Unknown | -- |
| Aug 19 | 06:00 GMT | 28.9 | 123.5 | -- | 975 mb | Unknown | -- |
| Aug 19 | 03:00 GMT | 28.74 | 123.99 | -- | 975 mb | Unknown | -- |
| Aug 19 | 00:00 GMT | 28.6 | 124.5 | -- | 975 mb | Unknown | -- |
| Aug 18 | 21:00 GMT | 28.57 | 124.99 | -- | 975 mb | Unknown | -- |
| Aug 18 | 18:00 GMT | 28.6 | 125.6 | -- | 975 mb | Unknown | -- |
| Aug 18 | 15:00 GMT | 28.63 | 126.51 | -- | 975 mb | Unknown | -- |
| Aug 18 | 12:00 GMT | 28.7 | 127.4 | -- | 975 mb | Unknown | -- |
| Aug 18 | 09:00 GMT | 28.89 | 127.89 | -- | 975 mb | Unknown | -- |
| Aug 18 | 06:00 GMT | 29 | 128.4 | -- | 975 mb | Unknown | -- |
| Aug 18 | 03:00 GMT | 28.77 | 129.38 | -- | 975 mb | Unknown | -- |
| Aug 18 | 00:00 GMT | 28.5 | 130.3 | -- | 975 mb | Unknown | -- |
| Aug 17 | 21:00 GMT | 28.45 | 130.65 | -- | 972 mb | Unknown | -- |
| Aug 17 | 18:00 GMT | 28.5 | 130.9 | -- | 970 mb | Unknown | -- |
| Aug 17 | 15:00 GMT | 28.57 | 131.47 | -- | 970 mb | Unknown | -- |
| Aug 17 | 12:00 GMT | 28.6 | 132.1 | -- | 970 mb | Unknown | -- |
| Aug 17 | 09:00 GMT | 28.54 | 132.62 | -- | 972 mb | Unknown | -- |
| Aug 17 | 06:00 GMT | 28.4 | 133.1 | -- | 975 mb | Unknown | -- |
| Aug 17 | 03:00 GMT | 28.21 | 133.56 | -- | 977 mb | Unknown | -- |
| Aug 17 | 00:00 GMT | 28 | 134 | -- | 980 mb | Unknown | -- |
| Aug 16 | 21:00 GMT | 27.79 | 134.4 | -- | 982 mb | Unknown | -- |
| Aug 16 | 18:00 GMT | 27.6 | 134.9 | -- | 985 mb | Unknown | -- |
| Aug 16 | 15:00 GMT | 27.43 | 135.66 | -- | 982 mb | Unknown | -- |
| Aug 16 | 12:00 GMT | 27.3 | 136.5 | -- | 980 mb | Unknown | -- |
| Aug 16 | 09:00 GMT | 27.24 | 137.28 | -- | 977 mb | Unknown | -- |
| Aug 16 | 06:00 GMT | 27.2 | 137.9 | -- | 975 mb | Unknown | -- |
| Aug 16 | 03:00 GMT | 27.09 | 138.19 | -- | 975 mb | Unknown | -- |
| Aug 16 | 00:00 GMT | 27 | 138.4 | -- | 975 mb | Unknown | -- |
| Aug 15 | 21:00 GMT | 27 | 138.81 | -- | 975 mb | Unknown | -- |
| Aug 15 | 18:00 GMT | 27 | 139.3 | -- | 975 mb | Unknown | -- |
| Aug 15 | 15:00 GMT | 26.91 | 139.78 | -- | 972 mb | Unknown | -- |
| Aug 15 | 12:00 GMT | 26.8 | 140.3 | -- | 970 mb | Unknown | -- |
| Aug 15 | 09:00 GMT | 26.76 | 140.93 | -- | 970 mb | Unknown | -- |
| Aug 15 | 06:00 GMT | 26.7 | 141.5 | -- | 970 mb | Unknown | -- |
| Aug 15 | 03:00 GMT | 26.57 | 141.84 | -- | 972 mb | Unknown | -- |
| Aug 15 | 00:00 GMT | 26.4 | 142.1 | -- | 975 mb | Unknown | -- |
| Aug 14 | 21:00 GMT | 26.24 | 142.44 | -- | 975 mb | Unknown | -- |
| Aug 14 | 18:00 GMT | 26 | 142.8 | -- | 975 mb | Unknown | -- |
| Aug 14 | 15:00 GMT | 25.62 | 143.14 | -- | 975 mb | Unknown | -- |
| Aug 14 | 12:00 GMT | 25.2 | 143.5 | -- | 975 mb | Unknown | -- |
| Aug 14 | 09:00 GMT | 24.85 | 143.89 | -- | 975 mb | Unknown | -- |
| Aug 14 | 06:00 GMT | 24.5 | 144.3 | -- | 975 mb | Unknown | -- |
| Aug 14 | 03:00 GMT | 24.12 | 144.73 | -- | 975 mb | Unknown | -- |
| Aug 14 | 00:00 GMT | 23.7 | 145.2 | -- | 975 mb | Unknown | -- |
| Aug 13 | 21:00 GMT | 23.2 | 145.72 | -- | 977 mb | Unknown | -- |
| Aug 13 | 18:00 GMT | 22.7 | 146.3 | -- | 980 mb | Unknown | -- |
| Aug 13 | 15:00 GMT | 22.3 | 146.96 | -- | 980 mb | Unknown | -- |
| Aug 13 | 12:00 GMT | 21.9 | 147.6 | -- | 980 mb | Unknown | -- |
| Aug 13 | 09:00 GMT | 21.38 | 148.15 | -- | 982 mb | Unknown | -- |
| Aug 13 | 06:00 GMT | 20.9 | 148.6 | -- | 985 mb | Unknown | -- |
| Aug 13 | 03:00 GMT | 20.63 | 148.97 | -- | 987 mb | Unknown | -- |
| Aug 13 | 00:00 GMT | 20.4 | 149.3 | -- | 990 mb | Unknown | -- |
| Aug 12 | 21:00 GMT | 20.06 | 149.63 | -- | 990 mb | Unknown | -- |
| Aug 12 | 18:00 GMT | 19.7 | 150 | -- | 990 mb | Unknown | -- |
| Aug 12 | 15:00 GMT | 19.39 | 150.48 | -- | 990 mb | Unknown | -- |
| Aug 12 | 12:00 GMT | 19.1 | 151 | -- | 990 mb | Unknown | -- |
| Aug 12 | 09:00 GMT | 18.81 | 151.5 | -- | 990 mb | Unknown | -- |
| Aug 12 | 06:00 GMT | 18.5 | 152 | -- | 990 mb | Unknown | -- |
| Aug 12 | 03:00 GMT | 18.16 | 152.5 | -- | 991 mb | Unknown | -- |
| Aug 12 | 00:00 GMT | 17.8 | 153 | -- | 992 mb | Unknown | -- |
Learn more about Tropical Depression Mary and the 1974 Western Pacific hurricane season in our hurricane archive.
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