Storm Activity: Jun 17, 1988 - Jun 25, 1988
Jun 25 · 12:00 GMT -- 1,002 mb Tropical Depression
| Jun 25 | 12:00 GMT | 31 | 138 | -- | 1,002 mb | Tropical Depression | -- |
| Jun 25 | 09:00 GMT | 30.5 | 137.36 | -- | 1,001 mb | Tropical Depression | -- |
| Jun 25 | 06:00 GMT | 30 | 136.5 | -- | 1,000 mb | Tropical Depression | -- |
| Jun 25 | 03:00 GMT | 29.51 | 135.3 | -- | 999 mb | Tropical Depression | -- |
| Jun 25 | 00:00 GMT | 29 | 134 | -- | 998 mb | Tropical Depression | -- |
| Jun 24 | 21:00 GMT | 28.46 | 132.9 | -- | 996 mb | Tropical Storm | -- |
| Jun 24 | 18:00 GMT | 27.9 | 131.9 | 45 mph | 994 mb | Tropical Storm | -- |
| Jun 24 | 15:00 GMT | 27.37 | 130.97 | 50 mph | 992 mb | Tropical Storm | -- |
| Jun 24 | 12:00 GMT | 26.8 | 130.1 | 50 mph | 990 mb | Tropical Storm | -- |
| Jun 24 | 09:00 GMT | 26.12 | 129.21 | 60 mph | 987 mb | Severe Tropical Storm | -- |
| Jun 24 | 06:00 GMT | 25.4 | 128.4 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 24 | 03:00 GMT | 24.7 | 127.75 | 65 mph | 982 mb | Severe Tropical Storm | -- |
| Jun 24 | 00:00 GMT | 24 | 127.2 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Jun 23 | 21:00 GMT | 23.3 | 126.66 | 70 mph | 977 mb | Typhoon | -- |
| Jun 23 | 18:00 GMT | 22.6 | 126.2 | 75 mph | 975 mb | Typhoon | 1 |
| Jun 23 | 15:00 GMT | 21.89 | 125.82 | 75 mph | 972 mb | Typhoon | 1 |
| Jun 23 | 12:00 GMT | 21.2 | 125.5 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 23 | 09:00 GMT | 20.53 | 125.17 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 23 | 06:00 GMT | 19.9 | 124.9 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 23 | 03:00 GMT | 19.33 | 124.71 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 23 | 00:00 GMT | 18.8 | 124.6 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 21:00 GMT | 18.29 | 124.52 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 18:00 GMT | 17.8 | 124.5 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 15:00 GMT | 17.33 | 124.51 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 12:00 GMT | 16.9 | 124.6 | 80 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 09:00 GMT | 16.54 | 124.77 | 75 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 06:00 GMT | 16.2 | 125 | 75 mph | 970 mb | Typhoon | 1 |
| Jun 22 | 03:00 GMT | 15.83 | 125.21 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Jun 22 | 00:00 GMT | 15.5 | 125.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Jun 21 | 21:00 GMT | 15.29 | 125.96 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Jun 21 | 18:00 GMT | 15.1 | 126.5 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Jun 21 | 15:00 GMT | 14.88 | 126.96 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Jun 21 | 12:00 GMT | 14.6 | 127.5 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 21 | 09:00 GMT | 14.25 | 128.24 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 21 | 06:00 GMT | 13.8 | 129 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Jun 21 | 03:00 GMT | 13.23 | 129.65 | 55 mph | 987 mb | Tropical Storm | -- |
| Jun 21 | 00:00 GMT | 12.6 | 130.2 | 50 mph | 990 mb | Tropical Storm | -- |
| Jun 20 | 21:00 GMT | 11.99 | 130.69 | 50 mph | 991 mb | Tropical Storm | -- |
| Jun 20 | 18:00 GMT | 11.4 | 131.1 | 50 mph | 992 mb | Tropical Storm | -- |
| Jun 20 | 15:00 GMT | 10.83 | 131.46 | 50 mph | 994 mb | Tropical Storm | -- |
| Jun 20 | 12:00 GMT | 10.3 | 131.8 | 50 mph | 996 mb | Tropical Storm | -- |
| Jun 20 | 09:00 GMT | 9.81 | 132.19 | 45 mph | 997 mb | Tropical Storm | -- |
| Jun 20 | 06:00 GMT | 9.4 | 132.6 | 40 mph | 998 mb | Tropical Storm | -- |
| Jun 20 | 03:00 GMT | 9.06 | 133.04 | -- | 999 mb | Tropical Depression | -- |
| Jun 20 | 00:00 GMT | 8.8 | 133.5 | -- | 1,000 mb | Tropical Depression | -- |
| Jun 19 | 21:00 GMT | 8.58 | 133.99 | -- | 1,001 mb | Tropical Depression | -- |
| Jun 19 | 18:00 GMT | 8.4 | 134.5 | -- | 1,002 mb | Tropical Depression | -- |
| Jun 19 | 15:00 GMT | 8.21 | 135 | -- | 1,003 mb | Tropical Depression | -- |
| Jun 19 | 12:00 GMT | 8 | 135.5 | -- | 1,004 mb | Tropical Depression | -- |
| Jun 19 | 09:00 GMT | 7.76 | 136 | -- | 1,005 mb | Tropical Depression | -- |
| Jun 19 | 06:00 GMT | 7.5 | 136.5 | -- | 1,006 mb | Tropical Depression | -- |
| Jun 19 | 03:00 GMT | 7.25 | 137.04 | -- | 1,007 mb | Tropical Depression | -- |
| Jun 19 | 00:00 GMT | 7 | 137.5 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 21:00 GMT | 6.75 | 137.79 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 18:00 GMT | 6.5 | 138 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 15:00 GMT | 6.25 | 138.21 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 12:00 GMT | 6 | 138.5 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 09:00 GMT | 5.75 | 139 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 06:00 GMT | 5.5 | 139.5 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 03:00 GMT | 5.21 | 139.75 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 18 | 00:00 GMT | 5 | 140 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 17 | 21:00 GMT | 4.95 | 140.44 | -- | 1,008 mb | Tropical Depression | -- |
| Jun 17 | 18:00 GMT | 5 | 141 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Typhoon Thad and the 1988 Western Pacific hurricane season in our hurricane archive.
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