Storm Activity: Aug 17, 1857 - Aug 20, 1857
Aug 20 · 18:00 GMT 30 mph -- Tropical Depression
| Aug 20 | 18:00 GMT | 10.3 | -62.8 | 30 mph | -- | Tropical Depression | -- |
| Aug 20 | 15:00 GMT | 10.31 | -62.15 | 30 mph | -- | Tropical Depression | -- |
| Aug 20 | 12:00 GMT | 10.3 | -61.5 | 35 mph | -- | Tropical Depression | -- |
| Aug 20 | 09:00 GMT | 10.25 | -60.85 | 40 mph | -- | Tropical Storm | -- |
| Aug 20 | 06:00 GMT | 10.2 | -60.2 | 45 mph | -- | Tropical Storm | -- |
| Aug 20 | 03:00 GMT | 10.2 | -59.56 | 50 mph | -- | Tropical Storm | -- |
| Aug 20 | 00:00 GMT | 10.2 | -58.9 | 60 mph | -- | Tropical Storm | -- |
| Aug 19 | 21:00 GMT | 10.15 | -58.2 | 65 mph | -- | Tropical Storm | -- |
| Aug 19 | 18:00 GMT | 10.1 | -57.5 | 70 mph | -- | Tropical Storm | -- |
| Aug 19 | 15:00 GMT | 10.1 | -56.84 | 70 mph | -- | Hurricane | -- |
| Aug 19 | 12:00 GMT | 10.1 | -56.2 | 75 mph | -- | Hurricane | 1 |
| Aug 19 | 09:00 GMT | 10.05 | -55.6 | 75 mph | -- | Hurricane | 1 |
| Aug 19 | 06:00 GMT | 10 | -55 | 75 mph | -- | Hurricane | 1 |
| Aug 19 | 03:00 GMT | 10 | -54.36 | 75 mph | -- | Hurricane | 1 |
| Aug 19 | 00:00 GMT | 10 | -53.7 | 75 mph | -- | Hurricane | 1 |
| Aug 18 | 21:00 GMT | 9.96 | -53.06 | 75 mph | -- | Hurricane | 1 |
| Aug 18 | 18:00 GMT | 9.9 | -52.4 | 75 mph | -- | Hurricane | 1 |
| Aug 18 | 15:00 GMT | 9.84 | -51.7 | 75 mph | -- | Hurricane | 1 |
| Aug 18 | 12:00 GMT | 9.8 | -51 | 75 mph | -- | Hurricane | 1 |
| Aug 18 | 09:00 GMT | 9.8 | -50.35 | 70 mph | -- | Tropical Storm | -- |
| Aug 18 | 06:00 GMT | 9.8 | -49.7 | 70 mph | -- | Tropical Storm | -- |
| Aug 18 | 03:00 GMT | 9.75 | -49.01 | 65 mph | -- | Tropical Storm | -- |
| Aug 18 | 00:00 GMT | 9.7 | -48.3 | 60 mph | -- | Tropical Storm | -- |
| Aug 17 | 21:00 GMT | 9.7 | -47.6 | 50 mph | -- | Tropical Storm | -- |
| Aug 17 | 18:00 GMT | 9.7 | -46.9 | 45 mph | -- | Tropical Storm | -- |
| Aug 17 | 15:00 GMT | 9.66 | -46.2 | 45 mph | -- | Tropical Storm | -- |
| Aug 17 | 12:00 GMT | 9.6 | -45.5 | 40 mph | -- | Tropical Storm | -- |
Learn more about Unnamed Hurricane and the 1857 Atlantic hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones