Storm Activity: May 17, 1988 - May 21, 1988
May 21 · 18:00 GMT 45 mph 990 mb Extratropical
| May 21 | 18:00 GMT | -32 | 129 | 45 mph | 990 mb | Extratropical | -- |
| May 21 | 15:00 GMT | -30.14 | 124.83 | 45 mph | 991 mb | Extratropical | -- |
| May 21 | 12:00 GMT | -28.7 | 121.3 | 45 mph | 992 mb | Extratropical | -- |
| May 21 | 09:00 GMT | -28.07 | 118.7 | 50 mph | 992 mb | Extratropical | -- |
| May 21 | 06:00 GMT | -27.7 | 117 | 50 mph | 992 mb | Extratropical | -- |
| May 21 | 03:00 GMT | -26.84 | 116.33 | 55 mph | 987 mb | Extratropical | -- |
| May 21 | 00:00 GMT | -26 | 115.7 | 60 mph | 982 mb | Extratropical | -- |
| May 20 | 21:00 GMT | -25.41 | 113.88 | 60 mph | 983 mb | Extratropical | -- |
| May 20 | 18:00 GMT | -25 | 111.7 | 60 mph | 985 mb | Extratropical | -- |
| May 20 | 15:00 GMT | -24.91 | 109.82 | 55 mph | 987 mb | Extratropical | -- |
| May 20 | 12:00 GMT | -24.5 | 108 | 50 mph | 990 mb | Extratropical | -- |
| May 20 | 09:00 GMT | -23.03 | 106.23 | 50 mph | 991 mb | Extratropical | -- |
| May 20 | 06:00 GMT | -21.3 | 104.5 | 45 mph | 992 mb | Extratropical | -- |
| May 20 | 03:00 GMT | -19.99 | 102.56 | 45 mph | 993 mb | Extratropical | -- |
| May 20 | 00:00 GMT | -19 | 101 | 45 mph | 995 mb | Extratropical | -- |
| May 19 | 21:00 GMT | -18.38 | 100.32 | 45 mph | 995 mb | Extratropical | -- |
| May 19 | 18:00 GMT | -18 | 100 | 40 mph | 995 mb | Extratropical | -- |
| May 19 | 15:00 GMT | -18.14 | 99.67 | 40 mph | 995 mb | Extratropical | -- |
| May 19 | 12:00 GMT | -17.2 | 99 | 40 mph | 995 mb | Extratropical | -- |
| May 19 | 09:00 GMT | -13.85 | 97.61 | 40 mph | 995 mb | Tropical Cyclone | -- |
| May 19 | 08:40 GMT | -13.6 | 97.5 | 40 mph | 995 mb | Tropical Cyclone | -- |
| May 19 | 06:00 GMT | -13.2 | 97.1 | 40 mph | 993 mb | Tropical Cyclone | -- |
| May 19 | 03:00 GMT | -12.74 | 96.7 | 45 mph | 992 mb | Tropical Cyclone | -- |
| May 19 | 00:00 GMT | -12.3 | 96.4 | 45 mph | 992 mb | Tropical Cyclone | -- |
| May 18 | 21:00 GMT | -11.91 | 96.22 | 45 mph | 991 mb | Tropical Cyclone | -- |
| May 18 | 18:00 GMT | -11.5 | 96.1 | 45 mph | 991 mb | Tropical Cyclone | -- |
| May 18 | 15:00 GMT | -10.96 | 95.97 | 45 mph | 990 mb | Tropical Cyclone | -- |
| May 18 | 12:00 GMT | -10.4 | 95.8 | 45 mph | 990 mb | Tropical Cyclone | -- |
| May 18 | 09:00 GMT | -9.91 | 95.62 | 45 mph | 991 mb | Tropical Cyclone | -- |
| May 18 | 06:00 GMT | -9.5 | 95.3 | 45 mph | 992 mb | Tropical Cyclone | -- |
| May 18 | 03:00 GMT | -9.18 | 94.72 | 45 mph | 993 mb | Tropical Cyclone | -- |
| May 18 | 00:00 GMT | -8.9 | 94.1 | 40 mph | 995 mb | Tropical Cyclone | -- |
| May 17 | 21:00 GMT | -8.61 | 93.71 | 35 mph | 996 mb | Tropical Depression | -- |
| May 17 | 18:00 GMT | -8.3 | 93.4 | 35 mph | 997 mb | Tropical Depression | -- |
| May 17 | 15:00 GMT | -7.95 | 93.11 | 35 mph | 997 mb | Tropical Depression | -- |
| May 17 | 12:00 GMT | -7.6 | 92.8 | 35 mph | 998 mb | Tropical Depression | -- |
| May 17 | 09:00 GMT | -7.27 | 92.41 | 35 mph | 998 mb | Tropical Depression | -- |
| May 17 | 06:00 GMT | -7 | 92 | 35 mph | 999 mb | Tropical Depression | -- |
| May 17 | 03:00 GMT | -6.8 | 91.6 | 30 mph | 1,000 mb | Tropical Depression | -- |
Learn more about Tropical Cyclone Herbie and the 1988 Southern Hemisphere hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones