Storm Activity: Aug 11, 1989 - Aug 18, 1989
Aug 18 · 18:00 GMT -- 1,004 mb Extratropical
| Aug 18 | 18:00 GMT | 48.5 | 150 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 15:00 GMT | 48.25 | 149.51 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 12:00 GMT | 48 | 149 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 09:00 GMT | 47.75 | 148.46 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 06:00 GMT | 47.5 | 148 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 03:00 GMT | 47.25 | 147.68 | -- | 1,004 mb | Extratropical | -- |
| Aug 18 | 00:00 GMT | 47 | 147.5 | -- | 1,004 mb | Extratropical | -- |
| Aug 17 | 21:00 GMT | 46.75 | 147.5 | -- | 1,004 mb | Extratropical | -- |
| Aug 17 | 18:00 GMT | 46.5 | 147.5 | -- | 1,004 mb | Extratropical | -- |
| Aug 17 | 15:00 GMT | 46.25 | 147.25 | -- | 1,004 mb | Extratropical | -- |
| Aug 17 | 12:00 GMT | 46 | 147 | -- | 1,004 mb | Extratropical | -- |
| Aug 17 | 09:00 GMT | 45.75 | 146.96 | -- | 1,002 mb | Extratropical | -- |
| Aug 17 | 06:00 GMT | 45.5 | 147 | -- | 1,000 mb | Extratropical | -- |
| Aug 17 | 03:00 GMT | 45.28 | 147.04 | -- | 1,000 mb | Extratropical | -- |
| Aug 17 | 00:00 GMT | 45 | 147 | -- | 1,000 mb | Extratropical | -- |
| Aug 16 | 21:00 GMT | 44.6 | 146.8 | -- | 996 mb | Extratropical | -- |
| Aug 16 | 18:00 GMT | 43.9 | 146.5 | 50 mph | 992 mb | Tropical Storm | -- |
| Aug 16 | 15:00 GMT | 43.44 | 146.07 | 50 mph | 991 mb | Tropical Storm | -- |
| Aug 16 | 12:00 GMT | 43 | 145.6 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 09:00 GMT | 42.27 | 145.16 | 55 mph | 987 mb | Severe Tropical Storm | -- |
| Aug 16 | 06:00 GMT | 41.5 | 144.9 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Aug 16 | 03:00 GMT | 40.94 | 144.95 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Aug 16 | 00:00 GMT | 40.4 | 145.2 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 15 | 21:00 GMT | 39.75 | 145.51 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 15 | 18:00 GMT | 39 | 145.8 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 15 | 15:00 GMT | 38.16 | 145.92 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Aug 15 | 12:00 GMT | 37.3 | 146 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 15 | 09:00 GMT | 36.48 | 146.1 | 70 mph | 972 mb | Typhoon | -- |
| Aug 15 | 06:00 GMT | 35.7 | 146.3 | 75 mph | 970 mb | Typhoon | 1 |
| Aug 15 | 03:00 GMT | 34.92 | 146.68 | 75 mph | 970 mb | Typhoon | 1 |
| Aug 15 | 00:00 GMT | 34.2 | 147.2 | 75 mph | 970 mb | Typhoon | 1 |
| Aug 14 | 21:00 GMT | 33.58 | 147.8 | 75 mph | 967 mb | Typhoon | 1 |
| Aug 14 | 18:00 GMT | 33 | 148.5 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 15:00 GMT | 32.4 | 149.27 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 12:00 GMT | 31.8 | 150.1 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 09:00 GMT | 31.22 | 150.9 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 06:00 GMT | 30.6 | 151.8 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 03:00 GMT | 29.9 | 152.97 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 14 | 00:00 GMT | 29.1 | 154.1 | 80 mph | 965 mb | Typhoon | 1 |
| Aug 13 | 21:00 GMT | 28.18 | 154.91 | 75 mph | 967 mb | Typhoon | 1 |
| Aug 13 | 18:00 GMT | 27.3 | 155.5 | 75 mph | 970 mb | Typhoon | 1 |
| Aug 13 | 15:00 GMT | 26.61 | 155.95 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Aug 13 | 12:00 GMT | 26 | 156.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 13 | 09:00 GMT | 25.36 | 156.67 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Aug 13 | 06:00 GMT | 24.7 | 157 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 13 | 03:00 GMT | 23.98 | 157.35 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Aug 13 | 00:00 GMT | 23.3 | 157.6 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Aug 12 | 21:00 GMT | 22.72 | 157.7 | 55 mph | 987 mb | Tropical Storm | -- |
| Aug 12 | 18:00 GMT | 22.3 | 157.7 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 12 | 15:00 GMT | 22.05 | 157.68 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 12 | 12:00 GMT | 21.9 | 157.6 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 12 | 09:00 GMT | 21.75 | 157.5 | 50 mph | 991 mb | Tropical Storm | -- |
| Aug 12 | 06:00 GMT | 21.6 | 157.3 | 50 mph | 992 mb | Tropical Storm | -- |
| Aug 12 | 03:00 GMT | 21.41 | 156.99 | 50 mph | 994 mb | Tropical Storm | -- |
| Aug 12 | 00:00 GMT | 21.2 | 156.6 | 45 mph | 996 mb | Tropical Storm | -- |
| Aug 11 | 21:00 GMT | 21 | 156.2 | -- | 998 mb | Tropical Depression | -- |
| Aug 11 | 18:00 GMT | 20.8 | 155.8 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 11 | 15:00 GMT | 20.58 | 155.44 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 11 | 12:00 GMT | 20.4 | 155.1 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 11 | 09:00 GMT | 20.28 | 154.79 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 11 | 06:00 GMT | 20.2 | 154.5 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 11 | 03:00 GMT | 20.11 | 154.24 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 11 | 00:00 GMT | 20 | 154 | -- | 1,004 mb | Tropical Depression | -- |
Learn more about Typhoon Nancy and the 1989 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones