Unnamed was a Cat 3 Atlantic tropical cyclone that existed from September 21 to October 5, 1877 (15 days). It reached peak winds of 115 mph (100 kt). The storm made one landfall on October 3 at 30.0°N, 85.5°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1877-09-21 00:00 | TS | 11.70 | -55.50 | 50 | ||
| 1877-09-21 06:00 | TS | 11.70 | -56.50 | 50 | ||
| 1877-09-21 12:00 | TS | 11.70 | -57.70 | 60 | ||
| 1877-09-21 18:00 | TS | 11.80 | -59.10 | 60 | ||
| 1877-09-22 00:00 | HU | 11.80 | -60.50 | 70 | ||
| 1877-09-22 06:00 | HU | 11.80 | -62.00 | 70 | ||
| 1877-09-22 12:00 | HU | 11.70 | -63.30 | 80 | ||
| 1877-09-22 18:00 | HU | 11.60 | -64.40 | 80 | ||
| 1877-09-23 00:00 | HU | 11.60 | -65.80 | 90 | ||
| 1877-09-23 06:00 | HU | 11.60 | -67.00 | 90 | ||
| 1877-09-23 12:00 | HU | 11.70 | -68.00 | 90 | ||
| 1877-09-23 18:00 | HU | 11.80 | -69.10 | 90 | ||
| 1877-09-24 00:00 | HU | 12.10 | -70.30 | 90 | ||
| 1877-09-24 06:00 | HU | 12.30 | -71.40 | 90 | ||
| 1877-09-24 12:00 | HU | 12.70 | -72.50 | 90 | ||
| 1877-09-24 18:00 | HU | 13.00 | -73.60 | 90 | ||
| 1877-09-25 00:00 | HU | 13.30 | -74.60 | 80 | ||
| 1877-09-25 06:00 | HU | 13.70 | -75.90 | 80 | ||
| 1877-09-25 12:00 | HU | 14.00 | -77.00 | 80 | ||
| 1877-09-25 18:00 | HU | 14.30 | -78.00 | 80 | ||
| 1877-09-26 00:00 | HU | 14.70 | -79.10 | 70 | ||
| 1877-09-26 06:00 | HU | 15.00 | -80.10 | 70 | ||
| 1877-09-26 12:00 | HU | 15.30 | -81.00 | 70 | ||
| 1877-09-26 18:00 | HU | 15.70 | -81.60 | 70 | ||
| 1877-09-27 00:00 | HU | 16.10 | -82.10 | 70 | ||
| 1877-09-27 06:00 | HU | 16.70 | -82.60 | 70 | ||
| 1877-09-27 12:00 | HU | 17.10 | -83.10 | 70 | ||
| 1877-09-27 18:00 | HU | 17.70 | -83.60 | 70 | ||
| 1877-09-28 00:00 | HU | 18.20 | -84.30 | 70 | ||
| 1877-09-28 06:00 | HU | 18.90 | -85.10 | 70 | ||
| 1877-09-28 12:00 | HU | 19.50 | -85.50 | 70 | ||
| 1877-09-28 18:00 | HU | 20.10 | -85.90 | 70 | ||
| 1877-09-29 00:00 | HU | 20.60 | -86.10 | 70 | ||
| 1877-09-29 06:00 | HU | 21.20 | -86.40 | 70 | ||
| 1877-09-29 12:00 | HU | 21.90 | -86.80 | 70 | ||
| 1877-09-29 18:00 | HU | 22.40 | -87.00 | 70 | ||
| 1877-09-30 00:00 | HU | 22.90 | -87.10 | 70 | ||
| 1877-09-30 06:00 | HU | 23.40 | -87.30 | 70 | ||
| 1877-09-30 12:00 | HU | 23.90 | -87.50 | 70 | ||
| 1877-09-30 18:00 | HU | 24.40 | -87.70 | 70 | ||
| 1877-10-01 00:00 | HU | 24.90 | -87.80 | 80 | ||
| 1877-10-01 06:00 | HU | 25.40 | -87.80 | 80 | ||
| 1877-10-01 12:00 | HU | 26.00 | -87.70 | 80 | ||
| 1877-10-01 18:00 | HU | 26.50 | -87.60 | 80 | ||
| 1877-10-02 00:00 | HU | 27.10 | -87.50 | 90 | ||
| 1877-10-02 06:00 | HU | 27.50 | -87.30 | 90 | ||
| 1877-10-02 12:00 | HU | 28.00 | -87.00 | 90 | ||
| 1877-10-02 18:00 | HU | 28.80 | -86.40 | 90 | ||
| 1877-10-03 00:00 | HU | 29.50 | -85.90 | 100 | ||
| 1877-10-03 05:00 | HU | 30.00 | -85.50 | 100 | Landfall | |
| 1877-10-03 06:00 | HU | 30.10 | -85.30 | 90 | ||
| 1877-10-03 12:00 | HU | 30.70 | -84.50 | 70 | ||
| 1877-10-03 18:00 | TS | 31.70 | -83.30 | 50 | ||
| 1877-10-04 00:00 | TS | 32.80 | -82.10 | 40 | ||
| 1877-10-04 06:00 | TS | 33.90 | -80.80 | 40 | ||
| 1877-10-04 12:00 | EX | 35.00 | -79.30 | 50 | ||
| 1877-10-04 18:00 | EX | 36.90 | -77.40 | 50 | ||
| 1877-10-05 00:00 | EX | 39.30 | -74.90 | 60 | ||
| 1877-10-05 06:00 | EX | 40.80 | -72.40 | 60 | ||
| 1877-10-05 12:00 | EX | 42.00 | -69.50 | 50 | ||
| 1877-10-05 18:00 | EX | 43.50 | -66.00 | 50 |
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.