Storm Activity: May 28, 1974 - May 30, 1974
May 30 · 00:00 GMT 30 mph -- Extrapolated
| May 30 | 00:00 GMT | 20 | -103.1 | 30 mph | -- | Extrapolated | -- |
| May 29 | 21:00 GMT | 19.87 | -103.36 | 30 mph | -- | Extrapolated | -- |
| May 29 | 18:00 GMT | 19.7 | -103.6 | 30 mph | -- | Extrapolated | -- |
| May 29 | 15:00 GMT | 19.46 | -103.81 | 45 mph | -- | Tropical Storm | -- |
| May 29 | 12:00 GMT | 19.1 | -104 | 60 mph | -- | Tropical Storm | -- |
| May 29 | 09:00 GMT | 18.6 | -104.23 | 60 mph | -- | Tropical Storm | -- |
| May 29 | 06:00 GMT | 18 | -104.4 | 60 mph | -- | Tropical Storm | -- |
| May 29 | 03:00 GMT | 17.38 | -104.48 | 60 mph | -- | Tropical Storm | -- |
| May 29 | 00:00 GMT | 16.8 | -104.4 | 60 mph | -- | Tropical Storm | -- |
| May 28 | 21:00 GMT | 16.31 | -104.16 | 60 mph | -- | Tropical Storm | -- |
| May 28 | 18:00 GMT | 15.9 | -103.8 | 60 mph | -- | Tropical Storm | -- |
| May 28 | 15:00 GMT | 15.58 | -103.42 | 50 mph | -- | Tropical Storm | -- |
| May 28 | 12:00 GMT | 15.3 | -103 | 45 mph | 992 mb | Tropical Storm | -- |
| May 28 | 09:00 GMT | 14.99 | -102.57 | 45 mph | -- | Tropical Storm | -- |
| May 28 | 06:00 GMT | 14.7 | -102.1 | 40 mph | -- | Tropical Storm | -- |
| May 28 | 03:00 GMT | 14.44 | -101.57 | 40 mph | -- | Tropical Storm | -- |
| May 28 | 00:00 GMT | 14.2 | -101 | 40 mph | -- | Tropical Storm | -- |
Learn more about Tropical Storm Aletta and the 1974 Eastern Pacific hurricane season in our hurricane archive.
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