Storm Activity: Oct 23, 1975 - Nov 4, 1975
Nov 4 · 09:00 GMT -- 1,000 mb Extratropical
| Nov 4 | 09:00 GMT | 43.77 | 179.61 | -- | 1,000 mb | Extratropical | -- |
| Nov 4 | 06:00 GMT | 42.7 | 176 | -- | 1,000 mb | Extratropical | -- |
| Nov 4 | 03:00 GMT | 42.06 | 173.46 | -- | 1,000 mb | Extratropical | -- |
| Nov 4 | 00:00 GMT | 41.5 | 171.4 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 21:00 GMT | 40.52 | 169.15 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 18:00 GMT | 39.5 | 167 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 15:00 GMT | 38.75 | 164.98 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 12:00 GMT | 38 | 163 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 09:00 GMT | 37.04 | 160.93 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 06:00 GMT | 36 | 159 | -- | 1,000 mb | Extratropical | -- |
| Nov 3 | 03:00 GMT | 35.02 | 157.48 | -- | 1,003 mb | Extratropical | -- |
| Nov 3 | 00:00 GMT | 34 | 156 | -- | 1,006 mb | Extratropical | -- |
| Nov 2 | 21:00 GMT | 32.77 | 154.3 | -- | 1,005 mb | Extratropical | -- |
| Nov 2 | 18:00 GMT | 31.6 | 152.4 | -- | 1,004 mb | Extratropical | -- |
| Nov 2 | 15:00 GMT | 30.7 | 150.16 | -- | 1,003 mb | Extratropical | -- |
| Nov 2 | 12:00 GMT | 30 | 148 | -- | 1,002 mb | Extratropical | -- |
| Nov 2 | 09:00 GMT | 29.49 | 146.48 | -- | 1,002 mb | Extratropical | -- |
| Nov 2 | 06:00 GMT | 29 | 145 | -- | 1,002 mb | Extratropical | -- |
| Nov 2 | 03:00 GMT | 28.17 | 142.97 | -- | 998 mb | Unknown | -- |
| Nov 2 | 00:00 GMT | 27.4 | 141 | -- | 995 mb | Unknown | -- |
| Nov 1 | 21:00 GMT | 27.05 | 139.51 | -- | 995 mb | Unknown | -- |
| Nov 1 | 18:00 GMT | 26.8 | 138.3 | -- | 995 mb | Unknown | -- |
| Nov 1 | 15:00 GMT | 26.31 | 137.23 | -- | 995 mb | Unknown | -- |
| Nov 1 | 12:00 GMT | 25.8 | 136.3 | -- | 995 mb | Unknown | -- |
| Nov 1 | 09:00 GMT | 25.37 | 135.38 | -- | 992 mb | Unknown | -- |
| Nov 1 | 06:00 GMT | 25 | 134.6 | -- | 990 mb | Unknown | -- |
| Nov 1 | 03:00 GMT | 24.68 | 134 | -- | 990 mb | Unknown | -- |
| Nov 1 | 00:00 GMT | 24.4 | 133.5 | -- | 990 mb | Unknown | -- |
| Oct 31 | 21:00 GMT | 24.09 | 132.98 | -- | 990 mb | Unknown | -- |
| Oct 31 | 18:00 GMT | 23.8 | 132.5 | -- | 990 mb | Unknown | -- |
| Oct 31 | 15:00 GMT | 23.58 | 132.09 | -- | 990 mb | Unknown | -- |
| Oct 31 | 12:00 GMT | 23.3 | 131.7 | -- | 990 mb | Unknown | -- |
| Oct 31 | 09:00 GMT | 22.82 | 131.25 | -- | 987 mb | Unknown | -- |
| Oct 31 | 06:00 GMT | 22.3 | 130.8 | -- | 985 mb | Unknown | -- |
| Oct 31 | 03:00 GMT | 21.86 | 130.36 | -- | 985 mb | Unknown | -- |
| Oct 31 | 00:00 GMT | 21.5 | 130 | -- | 985 mb | Unknown | -- |
| Oct 30 | 21:00 GMT | 21.34 | 129.8 | -- | 985 mb | Unknown | -- |
| Oct 30 | 18:00 GMT | 21.1 | 129.7 | -- | 985 mb | Unknown | -- |
| Oct 30 | 15:00 GMT | 20.51 | 129.67 | -- | 988 mb | Unknown | -- |
| Oct 30 | 12:00 GMT | 19.8 | 129.6 | -- | 992 mb | Unknown | -- |
| Oct 30 | 09:00 GMT | 19.13 | 129.31 | -- | 994 mb | Unknown | -- |
| Oct 30 | 06:00 GMT | 18.6 | 129 | -- | 996 mb | Unknown | -- |
| Oct 30 | 03:00 GMT | 18.32 | 128.81 | -- | 998 mb | Unknown | -- |
| Oct 30 | 00:00 GMT | 18.2 | 128.7 | -- | 1,000 mb | Unknown | -- |
| Oct 29 | 21:00 GMT | 18.13 | 128.68 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 18:00 GMT | 18.1 | 128.7 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 15:00 GMT | 18.08 | 128.74 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 12:00 GMT | 18 | 128.7 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 09:00 GMT | 17.78 | 128.49 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 06:00 GMT | 17.5 | 128.2 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 29 | 03:00 GMT | 17.19 | 127.85 | -- | 1,001 mb | Tropical Depression | -- |
| Oct 29 | 00:00 GMT | 17 | 127.7 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 21:00 GMT | 17.08 | 128 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 18:00 GMT | 17.3 | 128.5 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 15:00 GMT | 17.5 | 128.91 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 12:00 GMT | 17.7 | 129.3 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 09:00 GMT | 17.88 | 129.64 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 06:00 GMT | 18 | 130 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 03:00 GMT | 18.02 | 130.52 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 28 | 00:00 GMT | 18 | 131 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 27 | 21:00 GMT | 18 | 131.29 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 27 | 18:00 GMT | 18 | 131.5 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 27 | 15:00 GMT | 17.96 | 131.86 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 27 | 12:00 GMT | 18 | 132 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 27 | 09:00 GMT | 18.21 | 131.61 | -- | 1,003 mb | Tropical Depression | -- |
| Oct 27 | 06:00 GMT | 18.5 | 131 | -- | 1,004 mb | Tropical Depression | -- |
| Oct 27 | 03:00 GMT | 18.79 | 130.5 | -- | 1,005 mb | Tropical Depression | -- |
| Oct 27 | 00:00 GMT | 19 | 130 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 26 | 21:00 GMT | 19.05 | 129.44 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 26 | 18:00 GMT | 19 | 129 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 26 | 15:00 GMT | 18.89 | 128.83 | -- | 1,005 mb | Tropical Depression | -- |
| Oct 26 | 12:00 GMT | 18.8 | 128.8 | -- | 1,004 mb | Tropical Depression | -- |
| Oct 26 | 09:00 GMT | 18.83 | 128.75 | -- | 1,004 mb | Tropical Depression | -- |
| Oct 26 | 06:00 GMT | 18.9 | 128.7 | -- | 1,004 mb | Tropical Depression | -- |
| Oct 26 | 03:00 GMT | 18.96 | 128.53 | -- | 1,003 mb | Tropical Depression | -- |
| Oct 26 | 00:00 GMT | 19 | 128.5 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 25 | 21:00 GMT | 19.07 | 128.98 | -- | 1,000 mb | Unknown | -- |
| Oct 25 | 18:00 GMT | 19 | 129.4 | -- | 998 mb | Unknown | -- |
| Oct 25 | 15:00 GMT | 18.62 | 129.19 | -- | 997 mb | Unknown | -- |
| Oct 25 | 12:00 GMT | 18.2 | 128.8 | -- | 996 mb | Unknown | -- |
| Oct 25 | 09:00 GMT | 18.03 | 128.61 | -- | 995 mb | Unknown | -- |
| Oct 25 | 06:00 GMT | 18 | 128.5 | -- | 994 mb | Unknown | -- |
| Oct 25 | 03:00 GMT | 18.05 | 128.44 | -- | 994 mb | Unknown | -- |
| Oct 25 | 00:00 GMT | 18.2 | 128.5 | -- | 994 mb | Unknown | -- |
| Oct 24 | 21:00 GMT | 18.39 | 128.73 | -- | 997 mb | Tropical Depression | -- |
| Oct 24 | 18:00 GMT | 18.6 | 129 | -- | 1,000 mb | Tropical Depression | -- |
| Oct 24 | 15:00 GMT | 18.79 | 129.16 | -- | 1,001 mb | Tropical Depression | -- |
| Oct 24 | 12:00 GMT | 19 | 129.3 | -- | 1,002 mb | Tropical Depression | -- |
| Oct 24 | 09:00 GMT | 19.24 | 129.5 | -- | 1,003 mb | Tropical Depression | -- |
| Oct 24 | 06:00 GMT | 19.5 | 129.7 | -- | 1,004 mb | Tropical Depression | -- |
| Oct 24 | 03:00 GMT | 19.71 | 129.86 | -- | 1,005 mb | Tropical Depression | -- |
| Oct 24 | 00:00 GMT | 20 | 130 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 23 | 21:00 GMT | 20.46 | 130.2 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 23 | 18:00 GMT | 21 | 130.3 | -- | 1,006 mb | Tropical Depression | -- |
| Oct 23 | 15:00 GMT | 21.5 | 130.2 | -- | 1,007 mb | Tropical Depression | -- |
| Oct 23 | 12:00 GMT | 22 | 130 | -- | 1,008 mb | Tropical Depression | -- |
| Oct 23 | 09:00 GMT | 22.5 | 129.82 | -- | 1,008 mb | Tropical Depression | -- |
| Oct 23 | 06:00 GMT | 23 | 129.6 | -- | 1,008 mb | Tropical Depression | -- |
| Oct 23 | 03:00 GMT | 23.5 | 129.32 | -- | 1,008 mb | Tropical Depression | -- |
| Oct 23 | 00:00 GMT | 24 | 129 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Tropical Depression Grace and the 1975 Central Pacific hurricane season in our hurricane archive.
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