Storm Activity: Aug 4, 1988 - Aug 9, 1988
Aug 9 · 12:00 GMT -- 1,000 mb Tropical Depression
| Aug 9 | 12:00 GMT | 32 | 112 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 9 | 09:00 GMT | 32 | 112.5 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 9 | 06:00 GMT | 32 | 113 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 9 | 03:00 GMT | 32 | 113.5 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 9 | 00:00 GMT | 32 | 114 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 8 | 21:00 GMT | 32.03 | 114.45 | -- | 999 mb | Tropical Depression | -- |
| Aug 8 | 18:00 GMT | 32 | 115 | -- | 998 mb | Tropical Depression | -- |
| Aug 8 | 15:00 GMT | 31.83 | 115.79 | -- | 997 mb | Tropical Storm | -- |
| Aug 8 | 12:00 GMT | 31.6 | 116.6 | 40 mph | 996 mb | Tropical Storm | -- |
| Aug 8 | 09:00 GMT | 31.42 | 117.2 | 40 mph | 996 mb | Tropical Storm | -- |
| Aug 8 | 06:00 GMT | 31.2 | 117.8 | 40 mph | 996 mb | Tropical Storm | -- |
| Aug 8 | 03:00 GMT | 30.89 | 118.56 | 45 mph | 994 mb | Tropical Storm | -- |
| Aug 8 | 00:00 GMT | 30.5 | 119.4 | 45 mph | 992 mb | Tropical Storm | -- |
| Aug 7 | 21:00 GMT | 29.98 | 120.23 | 45 mph | 988 mb | Tropical Storm | -- |
| Aug 7 | 18:00 GMT | 29.5 | 121.1 | 45 mph | 985 mb | Tropical Storm | -- |
| Aug 7 | 15:00 GMT | 29.21 | 122.07 | 50 mph | 985 mb | Tropical Storm | -- |
| Aug 7 | 12:00 GMT | 29 | 123 | 50 mph | 985 mb | Tropical Storm | -- |
| Aug 7 | 09:00 GMT | 28.79 | 123.77 | 50 mph | 985 mb | Tropical Storm | -- |
| Aug 7 | 06:00 GMT | 28.5 | 124.4 | 50 mph | 985 mb | Tropical Storm | -- |
| Aug 7 | 03:00 GMT | 28.04 | 124.92 | 50 mph | 987 mb | Tropical Storm | -- |
| Aug 7 | 00:00 GMT | 27.5 | 125.4 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 6 | 21:00 GMT | 27 | 125.98 | 50 mph | 992 mb | Tropical Storm | -- |
| Aug 6 | 18:00 GMT | 26.5 | 126.6 | 50 mph | 994 mb | Tropical Storm | -- |
| Aug 6 | 15:00 GMT | 25.95 | 127.33 | 45 mph | 994 mb | Tropical Storm | -- |
| Aug 6 | 12:00 GMT | 25.5 | 127.9 | 40 mph | 994 mb | Tropical Storm | -- |
| Aug 6 | 09:00 GMT | 25.3 | 128.09 | 40 mph | 995 mb | Tropical Storm | -- |
| Aug 6 | 06:00 GMT | 25.2 | 128.1 | 40 mph | 996 mb | Tropical Storm | -- |
| Aug 6 | 03:00 GMT | 25.05 | 128.14 | 40 mph | 997 mb | Tropical Storm | -- |
| Aug 6 | 00:00 GMT | 24.8 | 128.2 | 40 mph | 998 mb | Tropical Storm | -- |
| Aug 5 | 21:00 GMT | 24.4 | 128.38 | -- | 999 mb | Tropical Depression | -- |
| Aug 5 | 18:00 GMT | 23.9 | 128.5 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 5 | 15:00 GMT | 23.4 | 128.38 | -- | 1,001 mb | Tropical Depression | -- |
| Aug 5 | 12:00 GMT | 22.9 | 128.2 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 5 | 09:00 GMT | 22.41 | 128.14 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 5 | 06:00 GMT | 22 | 128.1 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 5 | 03:00 GMT | 21.72 | 128.04 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 5 | 00:00 GMT | 21.5 | 128 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 4 | 21:00 GMT | 21.26 | 127.99 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 4 | 18:00 GMT | 21 | 128 | -- | 1,002 mb | Tropical Depression | -- |
Learn more about Tropical Storm Bill and the 1988 Western Pacific hurricane season in our hurricane archive.
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