Unnamed was a Cat 2 Atlantic tropical cyclone that existed from September 14 to September 17, 1858 (4 days). It reached peak winds of 103 mph (90 kt) and a minimum central pressure of 979 mb. The storm made 3 landfalls during its lifetime.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1858-09-14 00:00 | TS | 25.20 | -84.60 | 60 | ||
| 1858-09-14 06:00 | TS | 26.00 | -83.90 | 60 | ||
| 1858-09-14 12:00 | TS | 26.90 | -83.10 | 60 | ||
| 1858-09-14 15:00 | TS | 27.60 | -82.70 | 60 | Landfall | |
| 1858-09-14 18:00 | TS | 27.90 | -82.00 | 50 | ||
| 1858-09-15 00:00 | TS | 28.90 | -80.80 | 50 | ||
| 1858-09-15 06:00 | TS | 30.00 | -79.60 | 60 | ||
| 1858-09-15 12:00 | HU | 31.20 | -78.50 | 80 | ||
| 1858-09-15 18:00 | HU | 32.40 | -77.30 | 90 | ||
| 1858-09-16 00:00 | HU | 34.00 | -75.80 | 90 | ||
| 1858-09-16 06:00 | HU | 36.00 | -74.60 | 90 | ||
| 1858-09-16 12:00 | HU | 38.50 | -73.30 | 80 | ||
| 1858-09-16 17:00 | HU | 40.90 | -72.20 | 80 | Landfall | |
| 1858-09-16 18:00 | HU | 41.40 | -72.00 | 70 | 979 | Landfall |
| 1858-09-17 00:00 | TS | 45.50 | -70.00 | 50 | ||
| 1858-09-17 06:00 | TS | 50.00 | -67.00 | 40 |
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.