Unnamed was a Cat 1 Atlantic tropical cyclone that existed from September 15 to September 18, 1859 (4 days). It reached peak winds of 80 mph (70 kt). The storm made one landfall on September 16 at 30.3°N, 88.1°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1859-09-15 00:00 | HU | 28.00 | -89.00 | 70 | ||
| 1859-09-15 06:00 | HU | 28.50 | -89.00 | 70 | ||
| 1859-09-15 12:00 | HU | 29.00 | -88.90 | 70 | ||
| 1859-09-15 18:00 | HU | 29.60 | -88.60 | 70 | ||
| 1859-09-16 00:00 | HU | 30.30 | -88.10 | 70 | Landfall | |
| 1859-09-16 06:00 | TS | 31.10 | -87.50 | 50 | ||
| 1859-09-16 12:00 | TS | 32.00 | -86.80 | 40 | ||
| 1859-09-16 18:00 | TS | 33.10 | -84.80 | 40 | ||
| 1859-09-17 00:00 | TS | 34.30 | -82.50 | 40 | ||
| 1859-09-17 06:00 | TS | 35.60 | -80.00 | 40 | ||
| 1859-09-17 12:00 | TS | 37.00 | -77.50 | 50 | ||
| 1859-09-17 18:00 | TS | 38.50 | -74.50 | 60 | ||
| 1859-09-18 00:00 | HU | 40.00 | -71.00 | 70 | ||
| 1859-09-18 06:00 | HU | 41.20 | -66.50 | 70 | ||
| 1859-09-18 12:00 | HU | 42.00 | -61.00 | 70 | ||
| 1859-09-18 18:00 | HU | 42.50 | -55.00 | 70 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.