Storm Activity: Sep 17, 1866 - Sep 22, 1866
Sep 22 · 00:00 GMT 35 mph -- Tropical Depression
| Sep 22 | 00:00 GMT | 24.7 | -32.4 | 35 mph | -- | Tropical Depression | -- |
| Sep 21 | 21:00 GMT | 24.4 | -32.85 | 35 mph | -- | Tropical Depression | -- |
| Sep 21 | 18:00 GMT | 24.1 | -33.3 | 35 mph | -- | Tropical Depression | -- |
| Sep 21 | 15:00 GMT | 23.8 | -33.75 | 40 mph | -- | Tropical Storm | -- |
| Sep 21 | 12:00 GMT | 23.5 | -34.2 | 45 mph | -- | Tropical Storm | -- |
| Sep 21 | 09:00 GMT | 23.2 | -34.65 | 50 mph | -- | Tropical Storm | -- |
| Sep 21 | 06:00 GMT | 22.9 | -35.1 | 60 mph | -- | Tropical Storm | -- |
| Sep 21 | 03:00 GMT | 22.61 | -35.64 | 65 mph | -- | Tropical Storm | -- |
| Sep 21 | 00:00 GMT | 22.3 | -36 | 70 mph | -- | Tropical Storm | -- |
| Sep 20 | 21:00 GMT | 21.96 | -35.95 | 70 mph | -- | Hurricane | -- |
| Sep 20 | 18:00 GMT | 21.6 | -35.7 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 15:00 GMT | 21.22 | -35.55 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 12:00 GMT | 20.8 | -35.3 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 09:00 GMT | 20.32 | -34.84 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 06:00 GMT | 19.8 | -34.3 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 03:00 GMT | 19.3 | -33.8 | 75 mph | -- | Hurricane | 1 |
| Sep 20 | 00:00 GMT | 18.8 | -33.3 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 21:00 GMT | 18.3 | -32.8 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 18:00 GMT | 17.8 | -32.3 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 15:00 GMT | 17.26 | -31.77 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 12:00 GMT | 16.8 | -31.3 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 09:00 GMT | 16.51 | -30.99 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 06:00 GMT | 16.3 | -30.7 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 03:00 GMT | 16.05 | -30.31 | 75 mph | -- | Hurricane | 1 |
| Sep 19 | 00:00 GMT | 15.8 | -29.9 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 21:00 GMT | 15.55 | -29.54 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 18:00 GMT | 15.3 | -29.2 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 15:00 GMT | 15.05 | -28.82 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 12:00 GMT | 14.8 | -28.5 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 09:00 GMT | 14.55 | -28.32 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 06:00 GMT | 14.3 | -28.2 | 75 mph | -- | Hurricane | 1 |
| Sep 18 | 03:00 GMT | 14.05 | -28.05 | 70 mph | -- | Tropical Storm | -- |
| Sep 18 | 00:00 GMT | 13.8 | -27.9 | 70 mph | -- | Tropical Storm | -- |
| Sep 17 | 21:00 GMT | 13.56 | -27.75 | 65 mph | -- | Tropical Storm | -- |
| Sep 17 | 18:00 GMT | 13.3 | -27.6 | 65 mph | -- | Tropical Storm | -- |
| Sep 17 | 15:00 GMT | 12.99 | -27.45 | 60 mph | -- | Tropical Storm | -- |
| Sep 17 | 12:00 GMT | 12.7 | -27.3 | 50 mph | -- | Tropical Storm | -- |
| Sep 17 | 09:00 GMT | 12.53 | -27.15 | 45 mph | -- | Tropical Storm | -- |
| Sep 17 | 06:00 GMT | 12.4 | -27 | 40 mph | -- | Tropical Storm | -- |
| Sep 17 | 03:00 GMT | 12.26 | -26.85 | 35 mph | -- | Tropical Depression | -- |
| Sep 17 | 00:00 GMT | 12.1 | -26.7 | 35 mph | -- | Tropical Depression | -- |
Learn more about Unnamed Hurricane and the 1866 Atlantic hurricane season in our hurricane archive.
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