Storm Activity: Jun 26, 1987 - Jul 5, 1987
Jul 5 · 00:00 GMT -- 1,004 mb Extratropical
| Jul 5 | 00:00 GMT | 32.8 | 160.1 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 21:00 GMT | 32.61 | 159.78 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 18:00 GMT | 32.4 | 159.4 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 15:00 GMT | 32.19 | 158.95 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 12:00 GMT | 32 | 158.5 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 09:00 GMT | 31.88 | 158.15 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 06:00 GMT | 31.8 | 157.8 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 03:00 GMT | 31.75 | 157.37 | -- | 1,004 mb | Extratropical | -- |
| Jul 4 | 00:00 GMT | 31.7 | 156.9 | -- | 1,004 mb | Extratropical | -- |
| Jul 3 | 21:00 GMT | 31.59 | 156.46 | -- | 1,003 mb | Extratropical | -- |
| Jul 3 | 18:00 GMT | 31.5 | 156 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 15:00 GMT | 31.48 | 155.55 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 12:00 GMT | 31.5 | 155 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 09:00 GMT | 31.52 | 154.25 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 06:00 GMT | 31.6 | 153.4 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 03:00 GMT | 31.78 | 152.62 | -- | 1,002 mb | Extratropical | -- |
| Jul 3 | 00:00 GMT | 32 | 151.8 | -- | 1,002 mb | Extratropical | -- |
| Jul 2 | 21:00 GMT | 32.2 | 150.92 | -- | 1,001 mb | Extratropical | -- |
| Jul 2 | 18:00 GMT | 32.4 | 150 | -- | 1,000 mb | Extratropical | -- |
| Jul 2 | 15:00 GMT | 32.64 | 149.1 | -- | 999 mb | Extratropical | -- |
| Jul 2 | 12:00 GMT | 32.8 | 148.2 | -- | 998 mb | Extratropical | -- |
| Jul 2 | 09:00 GMT | 32.75 | 147.32 | -- | 997 mb | Extratropical | -- |
| Jul 2 | 06:00 GMT | 32.6 | 146.4 | -- | 996 mb | Extratropical | -- |
| Jul 2 | 03:00 GMT | 32.48 | 145.47 | -- | 995 mb | Extratropical | -- |
| Jul 2 | 00:00 GMT | 32.3 | 144.3 | -- | 994 mb | Extratropical | -- |
| Jul 1 | 21:00 GMT | 31.99 | 142.69 | -- | 993 mb | Tropical Storm | -- |
| Jul 1 | 18:00 GMT | 31.6 | 140.9 | 50 mph | 992 mb | Tropical Storm | -- |
| Jul 1 | 15:00 GMT | 31.22 | 139.21 | 50 mph | 992 mb | Tropical Storm | -- |
| Jul 1 | 12:00 GMT | 30.8 | 137.6 | 50 mph | 992 mb | Tropical Storm | -- |
| Jul 1 | 09:00 GMT | 30.35 | 136.06 | 50 mph | 992 mb | Tropical Storm | -- |
| Jul 1 | 06:00 GMT | 29.8 | 134.7 | 50 mph | 992 mb | Tropical Storm | -- |
| Jul 1 | 03:00 GMT | 29.1 | 133.5 | 50 mph | 991 mb | Tropical Storm | -- |
| Jul 1 | 00:00 GMT | 28.3 | 132.6 | 50 mph | 990 mb | Tropical Storm | -- |
| Jun 30 | 21:00 GMT | 27.46 | 132.02 | 55 mph | 990 mb | Severe Tropical Storm | -- |
| Jun 30 | 18:00 GMT | 26.6 | 131.7 | 60 mph | 990 mb | Severe Tropical Storm | -- |
| Jun 30 | 15:00 GMT | 25.8 | 131.49 | 65 mph | 987 mb | Severe Tropical Storm | -- |
| Jun 30 | 12:00 GMT | 25 | 131.4 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 30 | 09:00 GMT | 24.13 | 131.31 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 30 | 06:00 GMT | 23.3 | 131.3 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 30 | 03:00 GMT | 22.61 | 131.4 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 30 | 00:00 GMT | 22 | 131.6 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 29 | 21:00 GMT | 21.4 | 131.87 | 70 mph | 982 mb | Typhoon | -- |
| Jun 29 | 18:00 GMT | 20.8 | 132.2 | 75 mph | 980 mb | Typhoon | 1 |
| Jun 29 | 15:00 GMT | 20.15 | 132.56 | 75 mph | 980 mb | Typhoon | 1 |
| Jun 29 | 12:00 GMT | 19.5 | 132.9 | 75 mph | 980 mb | Typhoon | 1 |
| Jun 29 | 09:00 GMT | 18.88 | 133.17 | 75 mph | 982 mb | Typhoon | 1 |
| Jun 29 | 06:00 GMT | 18.3 | 133.4 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 29 | 03:00 GMT | 17.77 | 133.65 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 29 | 00:00 GMT | 17.3 | 133.9 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 28 | 21:00 GMT | 16.88 | 134.16 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 28 | 18:00 GMT | 16.5 | 134.4 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 28 | 15:00 GMT | 16.14 | 134.6 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 28 | 12:00 GMT | 15.8 | 134.8 | 75 mph | 985 mb | Typhoon | 1 |
| Jun 28 | 09:00 GMT | 15.45 | 135.06 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 28 | 06:00 GMT | 15.1 | 135.3 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 28 | 03:00 GMT | 14.74 | 135.47 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 28 | 00:00 GMT | 14.4 | 135.6 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 27 | 21:00 GMT | 14.06 | 135.71 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 27 | 18:00 GMT | 13.8 | 135.8 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 27 | 15:00 GMT | 13.69 | 135.87 | 55 mph | 988 mb | Tropical Storm | -- |
| Jun 27 | 12:00 GMT | 13.6 | 136 | 50 mph | 992 mb | Tropical Storm | -- |
| Jun 27 | 09:00 GMT | 13.38 | 136.25 | 50 mph | 994 mb | Tropical Storm | -- |
| Jun 27 | 06:00 GMT | 13.1 | 136.6 | 45 mph | 996 mb | Tropical Storm | -- |
| Jun 27 | 03:00 GMT | 12.79 | 137.1 | -- | 999 mb | Tropical Depression | -- |
| Jun 27 | 00:00 GMT | 12.5 | 137.5 | -- | 1,002 mb | Tropical Depression | -- |
| Jun 26 | 21:00 GMT | 12.29 | 137.49 | -- | 1,002 mb | Tropical Depression | -- |
| Jun 26 | 18:00 GMT | 12.2 | 137.5 | -- | 1,002 mb | Tropical Depression | -- |
| Jun 26 | 15:00 GMT | 12.31 | 137.85 | -- | 1,004 mb | Tropical Depression | -- |
| Jun 26 | 12:00 GMT | 12.4 | 138.5 | -- | 1,006 mb | Tropical Depression | -- |
| Jun 26 | 09:00 GMT | 12.23 | 139.43 | -- | 1,006 mb | Tropical Depression | -- |
| Jun 26 | 06:00 GMT | 11.9 | 140.5 | -- | 1,006 mb | Tropical Depression | -- |
| Jun 26 | 03:00 GMT | 11.47 | 141.53 | -- | 1,007 mb | Tropical Depression | -- |
| Jun 26 | 00:00 GMT | 11 | 142.5 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Typhoon Sperry and the 1987 Western Pacific hurricane season in our hurricane archive.
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