Storm Activity: Jul 21, 1987 - Aug 3, 1987
Aug 3 · 21:00 GMT -- 987 mb Extratropical
| Aug 3 | 21:00 GMT | 51.24 | 178.75 | -- | 987 mb | Extratropical | -- |
| Aug 3 | 18:00 GMT | 50.5 | 176.5 | -- | 988 mb | Extratropical | -- |
| Aug 3 | 15:00 GMT | 49.79 | 174.22 | -- | 990 mb | Extratropical | -- |
| Aug 3 | 12:00 GMT | 49 | 172 | -- | 992 mb | Extratropical | -- |
| Aug 3 | 09:00 GMT | 48.04 | 169.89 | -- | 993 mb | Extratropical | -- |
| Aug 3 | 06:00 GMT | 47 | 168 | -- | 994 mb | Extratropical | -- |
| Aug 3 | 03:00 GMT | 45.99 | 166.44 | -- | 995 mb | Extratropical | -- |
| Aug 3 | 00:00 GMT | 45 | 165 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 21:00 GMT | 44 | 163.43 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 18:00 GMT | 43 | 162 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 15:00 GMT | 41.96 | 160.97 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 12:00 GMT | 41 | 160 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 09:00 GMT | 40.21 | 158.71 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 06:00 GMT | 39.5 | 157.5 | -- | 996 mb | Extratropical | -- |
| Aug 2 | 03:00 GMT | 38.72 | 156.62 | -- | 995 mb | Extratropical | -- |
| Aug 2 | 00:00 GMT | 38 | 156 | -- | 994 mb | Extratropical | -- |
| Aug 1 | 21:00 GMT | 37.43 | 155.56 | -- | 994 mb | Extratropical | -- |
| Aug 1 | 18:00 GMT | 36.9 | 155.2 | -- | 994 mb | Extratropical | -- |
| Aug 1 | 15:00 GMT | 36.29 | 154.77 | -- | 993 mb | Tropical Storm | -- |
| Aug 1 | 12:00 GMT | 35.7 | 154.3 | 45 mph | 992 mb | Tropical Storm | -- |
| Aug 1 | 09:00 GMT | 35.18 | 153.8 | 45 mph | 991 mb | Tropical Storm | -- |
| Aug 1 | 06:00 GMT | 34.7 | 153.2 | 45 mph | 990 mb | Tropical Storm | -- |
| Aug 1 | 03:00 GMT | 34.18 | 152.51 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 1 | 00:00 GMT | 33.7 | 151.7 | 50 mph | 990 mb | Tropical Storm | -- |
| Jul 31 | 21:00 GMT | 33.3 | 150.8 | 60 mph | 987 mb | Severe Tropical Storm | -- |
| Jul 31 | 18:00 GMT | 33 | 149.8 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 31 | 15:00 GMT | 32.76 | 148.74 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 31 | 12:00 GMT | 32.6 | 147.6 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 31 | 09:00 GMT | 32.48 | 146.4 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 31 | 06:00 GMT | 32.4 | 145.2 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 31 | 03:00 GMT | 32.33 | 144.13 | 70 mph | 982 mb | Severe Tropical Storm | -- |
| Jul 31 | 00:00 GMT | 32.3 | 143 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 21:00 GMT | 32.29 | 141.6 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 18:00 GMT | 32.3 | 140.2 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 15:00 GMT | 32.37 | 139.05 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 12:00 GMT | 32.4 | 138 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 09:00 GMT | 32.3 | 136.91 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 06:00 GMT | 32.1 | 135.9 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 03:00 GMT | 31.86 | 134.97 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 30 | 00:00 GMT | 31.5 | 134.2 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 29 | 21:00 GMT | 31 | 133.63 | 70 mph | 977 mb | Typhoon | -- |
| Jul 29 | 18:00 GMT | 30.4 | 133.2 | 75 mph | 975 mb | Typhoon | 1 |
| Jul 29 | 15:00 GMT | 29.77 | 132.74 | 85 mph | 972 mb | Typhoon | 1 |
| Jul 29 | 12:00 GMT | 29.1 | 132.4 | 90 mph | 970 mb | Typhoon | 1 |
| Jul 29 | 09:00 GMT | 28.43 | 132.23 | 90 mph | 962 mb | Typhoon | 1 |
| Jul 29 | 06:00 GMT | 27.8 | 132.2 | 90 mph | 955 mb | Typhoon | 1 |
| Jul 29 | 03:00 GMT | 27.28 | 132.2 | 100 mph | 947 mb | Typhoon | 2 |
| Jul 29 | 00:00 GMT | 26.8 | 132.3 | 105 mph | 940 mb | Typhoon | 2 |
| Jul 28 | 21:00 GMT | 26.27 | 132.51 | 105 mph | 935 mb | Typhoon | 2 |
| Jul 28 | 18:00 GMT | 25.7 | 132.8 | 110 mph | 930 mb | Typhoon | 2 |
| Jul 28 | 15:00 GMT | 25.08 | 133.09 | 110 mph | 927 mb | Typhoon | 3 |
| Jul 28 | 12:00 GMT | 24.5 | 133.4 | 115 mph | 925 mb | Typhoon | 3 |
| Jul 28 | 09:00 GMT | 24.02 | 133.74 | 110 mph | 925 mb | Typhoon | 3 |
| Jul 28 | 06:00 GMT | 23.6 | 134.1 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 28 | 03:00 GMT | 23.18 | 134.48 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 28 | 00:00 GMT | 22.8 | 134.9 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 27 | 21:00 GMT | 22.44 | 135.39 | 110 mph | 927 mb | Typhoon | 2 |
| Jul 27 | 18:00 GMT | 22.1 | 135.9 | 110 mph | 930 mb | Typhoon | 2 |
| Jul 27 | 15:00 GMT | 21.75 | 136.39 | 110 mph | 930 mb | Typhoon | 2 |
| Jul 27 | 12:00 GMT | 21.4 | 136.9 | 110 mph | 930 mb | Typhoon | 2 |
| Jul 27 | 09:00 GMT | 21.04 | 137.49 | 110 mph | 927 mb | Typhoon | 2 |
| Jul 27 | 06:00 GMT | 20.7 | 138.1 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 27 | 03:00 GMT | 20.39 | 138.64 | 110 mph | 925 mb | Typhoon | 3 |
| Jul 27 | 00:00 GMT | 20.1 | 139.2 | 115 mph | 925 mb | Typhoon | 3 |
| Jul 26 | 21:00 GMT | 19.79 | 139.87 | 115 mph | 922 mb | Typhoon | 3 |
| Jul 26 | 18:00 GMT | 19.5 | 140.6 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 15:00 GMT | 19.25 | 141.34 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 12:00 GMT | 19 | 142.1 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 09:00 GMT | 18.71 | 142.86 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 06:00 GMT | 18.4 | 143.6 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 03:00 GMT | 18.1 | 144.29 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 26 | 00:00 GMT | 17.8 | 145 | 115 mph | 920 mb | Typhoon | 3 |
| Jul 25 | 21:00 GMT | 17.51 | 145.78 | 110 mph | 922 mb | Typhoon | 2 |
| Jul 25 | 18:00 GMT | 17.2 | 146.6 | 105 mph | 925 mb | Typhoon | 2 |
| Jul 25 | 15:00 GMT | 16.81 | 147.47 | 105 mph | 925 mb | Typhoon | 2 |
| Jul 25 | 12:00 GMT | 16.4 | 148.3 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 25 | 09:00 GMT | 16.04 | 149.01 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 25 | 06:00 GMT | 15.7 | 149.7 | 110 mph | 925 mb | Typhoon | 2 |
| Jul 25 | 03:00 GMT | 15.35 | 150.49 | 100 mph | 930 mb | Typhoon | 2 |
| Jul 25 | 00:00 GMT | 15 | 151.3 | 90 mph | 935 mb | Typhoon | 1 |
| Jul 24 | 21:00 GMT | 14.65 | 152.1 | 90 mph | 942 mb | Typhoon | 1 |
| Jul 24 | 18:00 GMT | 14.3 | 152.9 | 90 mph | 950 mb | Typhoon | 1 |
| Jul 24 | 15:00 GMT | 13.94 | 153.69 | 90 mph | 957 mb | Typhoon | 1 |
| Jul 24 | 12:00 GMT | 13.6 | 154.5 | 85 mph | 965 mb | Typhoon | 1 |
| Jul 24 | 09:00 GMT | 13.32 | 155.37 | 80 mph | 970 mb | Typhoon | 1 |
| Jul 24 | 06:00 GMT | 13 | 156.2 | 75 mph | 975 mb | Typhoon | 1 |
| Jul 24 | 03:00 GMT | 12.56 | 156.92 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jul 24 | 00:00 GMT | 12.1 | 157.6 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Jul 23 | 21:00 GMT | 11.72 | 158.29 | 65 mph | 987 mb | Severe Tropical Storm | -- |
| Jul 23 | 18:00 GMT | 11.4 | 159 | 60 mph | 990 mb | Severe Tropical Storm | -- |
| Jul 23 | 15:00 GMT | 11.13 | 159.74 | 60 mph | 992 mb | Severe Tropical Storm | -- |
| Jul 23 | 12:00 GMT | 10.9 | 160.5 | 60 mph | 994 mb | Severe Tropical Storm | -- |
| Jul 23 | 09:00 GMT | 10.68 | 161.29 | 50 mph | 995 mb | Tropical Storm | -- |
| Jul 23 | 06:00 GMT | 10.5 | 162.1 | 45 mph | 996 mb | Tropical Storm | -- |
| Jul 23 | 03:00 GMT | 10.38 | 162.95 | 45 mph | 997 mb | Tropical Storm | -- |
| Jul 23 | 00:00 GMT | 10.3 | 163.8 | 45 mph | 998 mb | Tropical Storm | -- |
| Jul 22 | 21:00 GMT | 10.21 | 164.58 | 45 mph | 999 mb | Tropical Storm | -- |
| Jul 22 | 18:00 GMT | 10.1 | 165.4 | 45 mph | 1,000 mb | Tropical Storm | -- |
| Jul 22 | 15:00 GMT | 9.97 | 166.39 | 45 mph | 1,001 mb | Tropical Storm | -- |
| Jul 22 | 12:00 GMT | 9.8 | 167.4 | 45 mph | 1,002 mb | Tropical Storm | -- |
| Jul 22 | 09:00 GMT | 9.58 | 168.32 | 45 mph | 1,002 mb | Tropical Storm | -- |
| Jul 22 | 06:00 GMT | 9.3 | 169.2 | 45 mph | 1,002 mb | Tropical Storm | -- |
| Jul 22 | 03:00 GMT | 8.97 | 170.05 | -- | 1,003 mb | Tropical Depression | -- |
| Jul 22 | 00:00 GMT | 8.6 | 170.9 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 21 | 21:00 GMT | 8.21 | 171.8 | -- | 1,005 mb | Tropical Depression | -- |
| Jul 21 | 18:00 GMT | 7.8 | 172.7 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 15:00 GMT | 7.36 | 173.57 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 12:00 GMT | 6.9 | 174.4 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 09:00 GMT | 6.46 | 175.18 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 06:00 GMT | 6 | 176 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 03:00 GMT | 5.51 | 176.96 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 00:00 GMT | 5 | 178 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Typhoon Wynne and the 1987 Central Pacific hurricane season in our hurricane archive.
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