Storm Activity: Mar 28, 1921 - Apr 4, 1921
Apr 4 · 23:00 GMT -- -- Unknown
| Apr 4 | 23:00 GMT | -19.5 | 140 | -- | -- | Unknown | -- |
| Apr 4 | 21:00 GMT | -19.32 | 139.97 | -- | -- | Unknown | -- |
| Apr 4 | 18:00 GMT | -19.04 | 139.93 | -- | -- | Unknown | -- |
| Apr 4 | 15:00 GMT | -18.76 | 139.9 | -- | -- | Unknown | -- |
| Apr 4 | 12:00 GMT | -18.48 | 139.87 | -- | -- | Unknown | -- |
| Apr 4 | 09:00 GMT | -18.19 | 139.84 | -- | -- | Unknown | -- |
| Apr 4 | 06:00 GMT | -17.9 | 139.82 | -- | -- | Unknown | -- |
| Apr 4 | 03:00 GMT | -17.6 | 139.8 | -- | -- | Unknown | -- |
| Apr 4 | 02:00 GMT | -17.5 | 139.8 | -- | -- | Unknown | -- |
| Apr 4 | 00:00 GMT | -17.3 | 139.8 | -- | -- | Unknown | -- |
| Apr 3 | 23:00 GMT | -17.2 | 139.8 | -- | -- | Unknown | -- |
| Apr 3 | 21:00 GMT | -17.02 | 139.81 | -- | -- | Unknown | -- |
| Apr 3 | 18:00 GMT | -16.8 | 139.82 | -- | -- | Unknown | -- |
| Apr 3 | 15:00 GMT | -16.62 | 139.85 | -- | -- | Unknown | -- |
| Apr 3 | 12:00 GMT | -16.47 | 139.89 | -- | -- | Unknown | -- |
| Apr 3 | 09:00 GMT | -16.35 | 139.94 | -- | -- | Unknown | -- |
| Apr 3 | 06:00 GMT | -16.24 | 140 | -- | -- | Unknown | -- |
| Apr 3 | 03:00 GMT | -16.14 | 140.08 | -- | -- | Unknown | -- |
| Apr 3 | 00:00 GMT | -16.04 | 140.17 | -- | -- | Unknown | -- |
| Apr 2 | 23:00 GMT | -16 | 140.2 | -- | -- | Unknown | -- |
| Apr 2 | 21:00 GMT | -15.99 | 140.12 | -- | -- | Unknown | -- |
| Apr 2 | 18:00 GMT | -15.99 | 139.97 | -- | -- | Unknown | -- |
| Apr 2 | 15:00 GMT | -16 | 139.84 | -- | -- | Unknown | -- |
| Apr 2 | 12:00 GMT | -15.97 | 139.77 | -- | -- | Unknown | -- |
| Apr 2 | 09:00 GMT | -15.88 | 139.81 | -- | -- | Unknown | -- |
| Apr 2 | 06:00 GMT | -15.71 | 140 | -- | -- | Unknown | -- |
| Apr 2 | 03:00 GMT | -15.42 | 140.39 | -- | -- | Unknown | -- |
| Apr 2 | 00:00 GMT | -14.98 | 141.03 | -- | -- | Unknown | -- |
| Apr 1 | 23:00 GMT | -14.8 | 141.3 | -- | -- | Unknown | -- |
| Apr 1 | 22:00 GMT | -14.6 | 141.6 | -- | -- | Unknown | -- |
| Apr 1 | 21:00 GMT | -14.42 | 141.87 | -- | -- | Unknown | -- |
| Apr 1 | 18:00 GMT | -13.96 | 142.48 | -- | -- | Unknown | -- |
| Apr 1 | 15:00 GMT | -13.64 | 142.86 | -- | -- | Unknown | -- |
| Apr 1 | 12:00 GMT | -13.4 | 143.1 | -- | -- | Unknown | -- |
| Apr 1 | 09:00 GMT | -13.21 | 143.26 | -- | -- | Unknown | -- |
| Apr 1 | 06:00 GMT | -13.03 | 143.44 | -- | -- | Unknown | -- |
| Apr 1 | 04:00 GMT | -12.9 | 143.6 | -- | -- | Unknown | -- |
| Apr 1 | 03:00 GMT | -12.81 | 143.72 | -- | -- | Unknown | -- |
| Apr 1 | 00:00 GMT | -12.57 | 144.09 | -- | -- | Unknown | -- |
| Mar 31 | 23:00 GMT | -12.5 | 144.2 | -- | 982 mb | Unknown | -- |
| Mar 31 | 21:00 GMT | -12.37 | 144.41 | -- | -- | Unknown | -- |
| Mar 31 | 18:00 GMT | -12.23 | 144.7 | -- | -- | Unknown | -- |
| Mar 31 | 15:00 GMT | -12.12 | 144.94 | -- | -- | Unknown | -- |
| Mar 31 | 12:00 GMT | -12.06 | 145.16 | -- | -- | Unknown | -- |
| Mar 31 | 09:00 GMT | -12.02 | 145.34 | -- | -- | Unknown | -- |
| Mar 31 | 06:00 GMT | -12 | 145.5 | -- | -- | Unknown | -- |
| Mar 31 | 03:00 GMT | -12 | 145.64 | -- | -- | Unknown | -- |
| Mar 31 | 00:00 GMT | -12 | 145.76 | -- | -- | Unknown | -- |
| Mar 30 | 23:00 GMT | -12 | 145.8 | -- | -- | Unknown | -- |
| Mar 30 | 21:00 GMT | -11.98 | 145.89 | -- | -- | Unknown | -- |
| Mar 30 | 18:00 GMT | -11.95 | 146.01 | -- | -- | Unknown | -- |
| Mar 30 | 15:00 GMT | -11.92 | 146.1 | -- | -- | Unknown | -- |
| Mar 30 | 12:00 GMT | -11.91 | 146.19 | -- | -- | Unknown | -- |
| Mar 30 | 09:00 GMT | -11.9 | 146.27 | -- | -- | Unknown | -- |
| Mar 30 | 06:00 GMT | -11.89 | 146.34 | -- | -- | Unknown | -- |
| Mar 30 | 03:00 GMT | -11.89 | 146.41 | -- | -- | Unknown | -- |
| Mar 30 | 00:00 GMT | -11.9 | 146.48 | -- | -- | Unknown | -- |
| Mar 29 | 23:00 GMT | -11.9 | 146.5 | -- | -- | Unknown | -- |
| Mar 29 | 21:00 GMT | -11.9 | 146.55 | -- | -- | Unknown | -- |
| Mar 29 | 18:00 GMT | -11.91 | 146.63 | -- | -- | Unknown | -- |
| Mar 29 | 15:00 GMT | -11.92 | 146.71 | -- | -- | Unknown | -- |
| Mar 29 | 12:00 GMT | -11.94 | 146.8 | -- | -- | Unknown | -- |
| Mar 29 | 09:00 GMT | -11.95 | 146.89 | -- | -- | Unknown | -- |
| Mar 29 | 06:00 GMT | -11.96 | 146.98 | -- | -- | Unknown | -- |
| Mar 29 | 03:00 GMT | -11.98 | 147.07 | -- | -- | Unknown | -- |
| Mar 29 | 00:00 GMT | -11.99 | 147.17 | -- | -- | Unknown | -- |
| Mar 28 | 23:00 GMT | -12 | 147.2 | -- | -- | Unknown | -- |
Learn more about Unnamed Unknown and the 1921 Southern Hemisphere hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones