Storm Activity: Apr 10, 1985 - Apr 18, 1985
Apr 18 · 00:00 GMT 40 mph -- Dissipating
| Apr 18 | 00:00 GMT | -15.8 | 52.2 | 40 mph | -- | Dissipating | -- |
| Apr 17 | 21:00 GMT | -15.52 | 52.72 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 18:00 GMT | -15.3 | 53.2 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 15:00 GMT | -15.2 | 53.64 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 12:00 GMT | -15.2 | 54.1 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 09:00 GMT | -15.24 | 54.63 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 06:00 GMT | -15.3 | 55.2 | 40 mph | -- | Tropical Depression | -- |
| Apr 17 | 03:00 GMT | -15.26 | 55.77 | 30 mph | -- | Tropical Depression | -- |
| Apr 17 | 00:00 GMT | -15.3 | 56.3 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 21:00 GMT | -15.63 | 56.76 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 18:00 GMT | -16 | 57.2 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 15:00 GMT | -16.11 | 57.69 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 12:00 GMT | -16.2 | 58.2 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 09:00 GMT | -16.5 | 58.7 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 06:00 GMT | -16.8 | 59.3 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 03:00 GMT | -16.92 | 60.14 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 16 | 00:00 GMT | -17 | 61 | 25 mph | 1,003 mb | Tropical Depression | -- |
| Apr 15 | 21:00 GMT | -17.12 | 61.63 | 25 mph | 1,001 mb | Tropical Depression | -- |
| Apr 15 | 18:00 GMT | -17.3 | 62.2 | 30 mph | 1,000 mb | Tropical Depression | -- |
| Apr 15 | 15:00 GMT | -17.54 | 62.88 | 30 mph | 998 mb | Tropical Depression | -- |
| Apr 15 | 12:00 GMT | -17.9 | 63.5 | 30 mph | 997 mb | Tropical Depression | -- |
| Apr 15 | 09:00 GMT | -18.49 | 64.02 | 35 mph | 994 mb | Tropical Storm | -- |
| Apr 15 | 06:00 GMT | -19 | 64.3 | 40 mph | 991 mb | Tropical Storm | -- |
| Apr 15 | 03:00 GMT | -19.07 | 64.25 | 40 mph | 991 mb | Tropical Storm | -- |
| Apr 15 | 00:00 GMT | -19 | 64 | 40 mph | 991 mb | Tropical Storm | -- |
| Apr 14 | 21:00 GMT | -19.06 | 63.77 | 45 mph | 987 mb | Tropical Storm | -- |
| Apr 14 | 18:00 GMT | -19.1 | 63.5 | 50 mph | 984 mb | Tropical Storm | -- |
| Apr 14 | 15:00 GMT | -19.1 | 63.23 | 55 mph | 980 mb | Tropical Storm | -- |
| Apr 14 | 12:00 GMT | -19 | 63 | 60 mph | 976 mb | Tropical Storm | -- |
| Apr 14 | 09:00 GMT | -18.78 | 62.85 | 65 mph | 971 mb | Tropical Storm | -- |
| Apr 14 | 06:00 GMT | -18.5 | 62.8 | 70 mph | 966 mb | Tropical Storm | -- |
| Apr 14 | 03:00 GMT | -18.24 | 62.86 | 85 mph | 953 mb | Tropical Cyclone | 1 |
| Apr 14 | 00:00 GMT | -18 | 63 | 95 mph | 941 mb | Tropical Cyclone | 1 |
| Apr 13 | 21:00 GMT | -17.86 | 63.12 | 95 mph | 941 mb | Tropical Cyclone | 1 |
| Apr 13 | 18:00 GMT | -17.7 | 63.3 | 95 mph | 941 mb | Tropical Cyclone | 1 |
| Apr 13 | 15:00 GMT | -17.39 | 63.59 | 90 mph | 947 mb | Tropical Cyclone | 1 |
| Apr 13 | 12:00 GMT | -17.1 | 63.9 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 13 | 09:00 GMT | -17.01 | 64.09 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 13 | 06:00 GMT | -17 | 64.3 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 13 | 03:00 GMT | -17 | 64.61 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 13 | 00:00 GMT | -16.9 | 65 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 21:00 GMT | -16.51 | 65.46 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 18:00 GMT | -16.1 | 65.9 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 15:00 GMT | -16 | 66.21 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 12:00 GMT | -15.9 | 66.5 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 09:00 GMT | -15.52 | 66.87 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 06:00 GMT | -15.1 | 67.3 | 85 mph | 954 mb | Tropical Cyclone | 1 |
| Apr 12 | 03:00 GMT | -14.83 | 67.79 | 75 mph | 960 mb | Tropical Storm | 1 |
| Apr 12 | 00:00 GMT | -14.6 | 68.3 | 70 mph | 966 mb | Tropical Storm | -- |
| Apr 11 | 21:00 GMT | -14.33 | 68.75 | 70 mph | 966 mb | Tropical Storm | -- |
| Apr 11 | 18:00 GMT | -14.1 | 69.2 | 70 mph | 966 mb | Tropical Storm | -- |
| Apr 11 | 15:00 GMT | -14.03 | 69.73 | 65 mph | 971 mb | Tropical Storm | -- |
| Apr 11 | 12:00 GMT | -13.9 | 70.2 | 60 mph | 976 mb | Tropical Storm | -- |
| Apr 11 | 09:00 GMT | -13.49 | 70.48 | 55 mph | 980 mb | Tropical Storm | -- |
| Apr 11 | 06:00 GMT | -13 | 70.7 | 50 mph | 984 mb | Tropical Storm | -- |
| Apr 11 | 03:00 GMT | -12.59 | 70.99 | 50 mph | 984 mb | Tropical Storm | -- |
| Apr 11 | 00:00 GMT | -12.3 | 71.3 | 50 mph | 984 mb | Tropical Storm | -- |
| Apr 10 | 21:00 GMT | -12.18 | 71.66 | 45 mph | -- | Unknown | -- |
| Apr 10 | 18:00 GMT | -12.2 | 72 | 40 mph | -- | Unknown | -- |
| Apr 10 | 15:00 GMT | -12.31 | 72.27 | 40 mph | -- | Unknown | -- |
| Apr 10 | 12:00 GMT | -12.5 | 72.5 | 40 mph | -- | Unknown | -- |
| Apr 10 | 09:00 GMT | -12.7 | 72.71 | 40 mph | -- | Unknown | -- |
| Apr 10 | 06:00 GMT | -12.9 | 72.9 | 40 mph | -- | Unknown | -- |
Learn more about Tropical Cyclone Helisaonina and the 1985 Southern Hemisphere hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones