Storm Activity: Jun 4, 1998 - Jun 10, 1998
Jun 10 · 09:00 GMT -- -- Unknown
| Jun 10 | 09:00 GMT | 27.5 | 75 | -- | -- | Unknown | -- |
| Jun 10 | 06:00 GMT | 27 | 74 | -- | -- | Unknown | -- |
| Jun 10 | 03:00 GMT | 26.5 | 73.5 | -- | -- | Unknown | -- |
| Jun 10 | 00:00 GMT | 26 | 73 | -- | -- | Unknown | -- |
| Jun 9 | 21:00 GMT | 25.27 | 72.27 | -- | -- | Unknown | -- |
| Jun 9 | 18:00 GMT | 24.5 | 71.5 | -- | -- | Unknown | -- |
| Jun 9 | 15:00 GMT | 23.96 | 70.96 | -- | -- | Unknown | -- |
| Jun 9 | 12:00 GMT | 23.5 | 70.5 | -- | -- | Unknown | -- |
| Jun 9 | 09:00 GMT | 23 | 69.9 | -- | -- | Unknown | -- |
| Jun 9 | 06:00 GMT | 22.5 | 69.5 | -- | -- | Unknown | -- |
| Jun 9 | 03:00 GMT | 22 | 69.5 | -- | -- | Unknown | -- |
| Jun 9 | 00:00 GMT | 21.5 | 69 | 90 mph | 958 mb | Tropical Cyclone | 1 |
| Jun 8 | 21:00 GMT | 21 | 68.7 | 90 mph | 959 mb | Tropical Cyclone | 1 |
| Jun 8 | 18:00 GMT | 20.5 | 68.5 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Jun 8 | 15:00 GMT | 20 | 68.21 | 100 mph | 959 mb | Tropical Cyclone | 2 |
| Jun 8 | 12:00 GMT | 19.5 | 68 | 105 mph | 958 mb | Tropical Cyclone | 2 |
| Jun 8 | 09:00 GMT | 19 | 68.07 | 105 mph | 964 mb | Tropical Cyclone | 2 |
| Jun 8 | 06:00 GMT | 18.5 | 68 | 105 mph | 970 mb | Tropical Cyclone | 2 |
| Jun 8 | 03:00 GMT | 18 | 67.5 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 8 | 00:00 GMT | 17.5 | 68 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 7 | 21:00 GMT | 16.97 | 68.1 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 7 | 18:00 GMT | 16.5 | 68 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 7 | 15:00 GMT | 16.27 | 68 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 7 | 12:00 GMT | 16 | 68 | 90 mph | 970 mb | Tropical Cyclone | 1 |
| Jun 7 | 09:00 GMT | 15.5 | 68 | 75 mph | 979 mb | Tropical Cyclone | 1 |
| Jun 7 | 06:00 GMT | 15 | 68 | 65 mph | 989 mb | Tropical Cyclone | -- |
| Jun 7 | 03:00 GMT | 14.5 | 68 | 65 mph | 989 mb | Tropical Cyclone | -- |
| Jun 7 | 00:00 GMT | 14 | 68 | 65 mph | 989 mb | Tropical Cyclone | -- |
| Jun 6 | 21:00 GMT | 13.7 | 68.2 | 65 mph | 990 mb | Tropical Cyclone | -- |
| Jun 6 | 18:00 GMT | 13.5 | 68.5 | 65 mph | 991 mb | Tropical Cyclone | -- |
| Jun 6 | 15:00 GMT | 13.25 | 68.79 | 65 mph | 989 mb | Tropical Cyclone | -- |
| Jun 6 | 12:00 GMT | 13 | 69 | 65 mph | 987 mb | Tropical Cyclone | -- |
| Jun 6 | 09:00 GMT | 12.7 | 69.03 | 65 mph | 988 mb | Tropical Cyclone | -- |
| Jun 6 | 06:00 GMT | 12.5 | 69 | 65 mph | 989 mb | Tropical Cyclone | -- |
| Jun 6 | 03:00 GMT | 12.5 | 69 | 50 mph | 996 mb | Tropical Cyclone | -- |
| Jun 6 | 00:00 GMT | 12.5 | 69 | 40 mph | 996 mb | Tropical Cyclone | -- |
| Jun 5 | 21:00 GMT | 12.27 | 69.2 | 40 mph | 996 mb | Tropical Cyclone | -- |
| Jun 5 | 18:00 GMT | 12 | 69.5 | 40 mph | 996 mb | Tropical Cyclone | -- |
| Jun 5 | 15:00 GMT | 11.86 | 69.8 | 40 mph | 997 mb | Tropical Cyclone | -- |
| Jun 5 | 12:00 GMT | 12 | 70 | 40 mph | 998 mb | Tropical Cyclone | -- |
| Jun 5 | 09:00 GMT | 12.5 | 70 | 40 mph | 998 mb | Tropical Cyclone | -- |
| Jun 5 | 06:00 GMT | 11.5 | 70.5 | 35 mph | 1,000 mb | Tropical Cyclone | -- |
| Jun 5 | 03:00 GMT | 11 | 70 | 35 mph | 1,004 mb | Tropical Cyclone | -- |
| Jun 5 | 00:00 GMT | 10.77 | 69.57 | -- | -- | Unknown | -- |
| Jun 4 | 21:00 GMT | 10.77 | 69.24 | -- | -- | Unknown | -- |
| Jun 4 | 18:00 GMT | 10.88 | 69.02 | -- | -- | Unknown | -- |
| Jun 4 | 15:00 GMT | 11 | 68.94 | -- | -- | Unknown | -- |
| Jun 4 | 12:00 GMT | 11 | 69 | 35 mph | 1,004 mb | Tropical Cyclone | -- |
| Jun 4 | 09:00 GMT | 10.81 | 69.21 | 30 mph | 1,004 mb | Tropical Cyclone | -- |
| Jun 4 | 06:00 GMT | 10.5 | 69.5 | 30 mph | 1,004 mb | Tropical Cyclone | -- |
Learn more about Unnamed Tropical Cyclone and the 1998 Indian Ocean hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones