Storm Activity: Sep 8, 1988 - Sep 18, 1988
Sep 18 · 06:00 GMT -- 976 mb Extratropical
| Sep 18 | 06:00 GMT | 47 | 180 | -- | 976 mb | Extratropical | -- |
| Sep 18 | 03:00 GMT | 45.28 | 176.25 | -- | 978 mb | Extratropical | -- |
| Sep 18 | 00:00 GMT | 44 | 173 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 21:00 GMT | 43.55 | 170.31 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 18:00 GMT | 43.5 | 168 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 15:00 GMT | 43.24 | 166 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 12:00 GMT | 43 | 164 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 09:00 GMT | 42.79 | 161.47 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 06:00 GMT | 42.5 | 159 | -- | 980 mb | Extratropical | -- |
| Sep 17 | 03:00 GMT | 42.07 | 157.14 | -- | 980 mb | Severe Tropical Storm | -- |
| Sep 17 | 00:00 GMT | 41.5 | 155.5 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 21:00 GMT | 40.78 | 153.75 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 18:00 GMT | 40 | 152 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 15:00 GMT | 39.24 | 150.18 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 16 | 12:00 GMT | 38.5 | 148.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 16 | 09:00 GMT | 37.81 | 147.07 | 70 mph | 972 mb | Typhoon | -- |
| Sep 16 | 06:00 GMT | 37.1 | 146 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 16 | 03:00 GMT | 36.28 | 145.37 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 16 | 00:00 GMT | 35.5 | 144.9 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 15 | 21:00 GMT | 34.88 | 144.17 | 75 mph | 967 mb | Typhoon | 1 |
| Sep 15 | 18:00 GMT | 34.3 | 143.5 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 15 | 15:00 GMT | 33.64 | 143.08 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 15 | 12:00 GMT | 33 | 142.8 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 15 | 09:00 GMT | 32.39 | 142.51 | 80 mph | 962 mb | Typhoon | 1 |
| Sep 15 | 06:00 GMT | 31.9 | 142.3 | 80 mph | 960 mb | Typhoon | 1 |
| Sep 15 | 03:00 GMT | 31.61 | 142.19 | 85 mph | 957 mb | Typhoon | 1 |
| Sep 15 | 00:00 GMT | 31.4 | 142.2 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 14 | 21:00 GMT | 31.18 | 142.31 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 14 | 18:00 GMT | 30.8 | 142.5 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 14 | 15:00 GMT | 30.09 | 142.71 | 90 mph | 952 mb | Typhoon | 1 |
| Sep 14 | 12:00 GMT | 29.3 | 142.9 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 14 | 09:00 GMT | 28.73 | 143.01 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 14 | 06:00 GMT | 28.2 | 143.1 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 14 | 03:00 GMT | 27.59 | 143.25 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 14 | 00:00 GMT | 27 | 143.4 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 13 | 21:00 GMT | 26.49 | 143.5 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 13 | 18:00 GMT | 26 | 143.6 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 13 | 15:00 GMT | 25.44 | 143.74 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 13 | 12:00 GMT | 24.9 | 143.9 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 13 | 09:00 GMT | 24.5 | 144.09 | 95 mph | 947 mb | Typhoon | 1 |
| Sep 13 | 06:00 GMT | 24.1 | 144.3 | 100 mph | 945 mb | Typhoon | 2 |
| Sep 13 | 03:00 GMT | 23.56 | 144.54 | 100 mph | 945 mb | Typhoon | 2 |
| Sep 13 | 00:00 GMT | 23 | 144.8 | 100 mph | 945 mb | Typhoon | 2 |
| Sep 12 | 21:00 GMT | 22.54 | 145.1 | 100 mph | 945 mb | Typhoon | 2 |
| Sep 12 | 18:00 GMT | 22.1 | 145.4 | 100 mph | 945 mb | Typhoon | 2 |
| Sep 12 | 15:00 GMT | 21.64 | 145.67 | 95 mph | 947 mb | Typhoon | 1 |
| Sep 12 | 12:00 GMT | 21.2 | 145.9 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 12 | 09:00 GMT | 20.78 | 146.1 | 90 mph | 952 mb | Typhoon | 1 |
| Sep 12 | 06:00 GMT | 20.4 | 146.2 | 90 mph | 955 mb | Typhoon | 1 |
| Sep 12 | 03:00 GMT | 20.05 | 146.15 | 90 mph | 955 mb | Typhoon | 1 |
| Sep 12 | 00:00 GMT | 19.8 | 146 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 11 | 21:00 GMT | 19.69 | 145.84 | 85 mph | 957 mb | Typhoon | 1 |
| Sep 11 | 18:00 GMT | 19.7 | 145.7 | 85 mph | 960 mb | Typhoon | 1 |
| Sep 11 | 15:00 GMT | 19.78 | 145.65 | 85 mph | 962 mb | Typhoon | 1 |
| Sep 11 | 12:00 GMT | 19.9 | 145.7 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 11 | 09:00 GMT | 19.99 | 145.86 | 80 mph | 967 mb | Typhoon | 1 |
| Sep 11 | 06:00 GMT | 20.1 | 146.1 | 80 mph | 970 mb | Typhoon | 1 |
| Sep 11 | 03:00 GMT | 20.3 | 146.39 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 11 | 00:00 GMT | 20.5 | 146.7 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 10 | 21:00 GMT | 20.62 | 146.95 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Sep 10 | 18:00 GMT | 20.7 | 147.2 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 10 | 15:00 GMT | 20.76 | 147.49 | 70 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 10 | 12:00 GMT | 20.8 | 147.8 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 10 | 09:00 GMT | 20.85 | 148.16 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 10 | 06:00 GMT | 20.9 | 148.5 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 10 | 03:00 GMT | 20.96 | 148.75 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 10 | 00:00 GMT | 21 | 149 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 9 | 21:00 GMT | 20.96 | 149.31 | 60 mph | 987 mb | Severe Tropical Storm | -- |
| Sep 9 | 18:00 GMT | 20.9 | 149.7 | 60 mph | 990 mb | Severe Tropical Storm | -- |
| Sep 9 | 15:00 GMT | 20.89 | 150.16 | 55 mph | 991 mb | Tropical Storm | -- |
| Sep 9 | 12:00 GMT | 20.8 | 150.7 | 50 mph | 992 mb | Tropical Storm | -- |
| Sep 9 | 09:00 GMT | 20.56 | 151.29 | 50 mph | 994 mb | Tropical Storm | -- |
| Sep 9 | 06:00 GMT | 20.2 | 152 | 45 mph | 996 mb | Tropical Storm | -- |
| Sep 9 | 03:00 GMT | 19.74 | 152.91 | 45 mph | 997 mb | Tropical Storm | -- |
| Sep 9 | 00:00 GMT | 19.3 | 153.8 | 40 mph | 998 mb | Tropical Storm | -- |
| Sep 8 | 21:00 GMT | 19.03 | 154.48 | -- | 999 mb | Tropical Depression | -- |
| Sep 8 | 18:00 GMT | 18.8 | 155 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 8 | 15:00 GMT | 18.5 | 155.36 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 8 | 12:00 GMT | 18.2 | 155.7 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 8 | 09:00 GMT | 17.94 | 156.24 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 8 | 06:00 GMT | 17.7 | 156.8 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 8 | 03:00 GMT | 17.49 | 157.28 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 8 | 00:00 GMT | 17.3 | 157.7 | -- | 1,004 mb | Tropical Depression | -- |
Learn more about Typhoon Hal and the 1988 Central Pacific hurricane season in our hurricane archive.
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