Unnamed was a Cat 4 Atlantic tropical cyclone that existed from September 21 to October 1, 1915 (11 days). It reached peak winds of 143 mph (125 kt) and a minimum central pressure of 931 mb. The storm made one landfall on September 29 at 29.0°N, 90.3°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1915-09-21 12:00 | TS | 12.30 | -61.00 | 35 | ||
| 1915-09-21 18:00 | TS | 12.80 | -61.50 | 40 | ||
| 1915-09-22 00:00 | TS | 13.20 | -62.10 | 45 | ||
| 1915-09-22 06:00 | TS | 13.50 | -62.80 | 50 | ||
| 1915-09-22 12:00 | TS | 13.80 | -63.60 | 55 | ||
| 1915-09-22 18:00 | TS | 14.00 | -64.60 | 60 | ||
| 1915-09-23 00:00 | HU | 14.10 | -65.80 | 65 | ||
| 1915-09-23 06:00 | HU | 14.20 | -66.90 | 70 | ||
| 1915-09-23 12:00 | HU | 14.30 | -68.00 | 75 | ||
| 1915-09-23 18:00 | HU | 14.30 | -69.00 | 75 | ||
| 1915-09-24 00:00 | HU | 14.40 | -70.00 | 80 | ||
| 1915-09-24 06:00 | HU | 14.50 | -71.00 | 85 | ||
| 1915-09-24 12:00 | HU | 14.50 | -72.00 | 95 | ||
| 1915-09-24 18:00 | HU | 14.60 | -73.10 | 105 | ||
| 1915-09-25 00:00 | HU | 14.80 | -74.20 | 115 | ||
| 1915-09-25 06:00 | HU | 15.00 | -75.30 | 120 | ||
| 1915-09-25 12:00 | HU | 15.30 | -76.50 | 125 | ||
| 1915-09-25 18:00 | HU | 15.60 | -77.70 | 125 | 931 | |
| 1915-09-26 00:00 | HU | 15.90 | -78.80 | 125 | ||
| 1915-09-26 06:00 | HU | 16.20 | -79.90 | 125 | ||
| 1915-09-26 12:00 | HU | 16.60 | -81.00 | 125 | ||
| 1915-09-26 18:00 | HU | 17.30 | -81.90 | 125 | ||
| 1915-09-27 00:00 | HU | 18.40 | -82.80 | 125 | ||
| 1915-09-27 06:00 | HU | 19.60 | -83.70 | 125 | ||
| 1915-09-27 12:00 | HU | 20.70 | -84.60 | 125 | ||
| 1915-09-27 18:00 | HU | 21.50 | -85.30 | 125 | ||
| 1915-09-28 00:00 | HU | 22.30 | -85.90 | 125 | ||
| 1915-09-28 06:00 | HU | 23.10 | -86.60 | 125 | ||
| 1915-09-28 12:00 | HU | 23.80 | -87.20 | 125 | ||
| 1915-09-28 18:00 | HU | 24.70 | -87.80 | 125 | ||
| 1915-09-29 00:00 | HU | 25.70 | -88.50 | 120 | ||
| 1915-09-29 06:00 | HU | 26.80 | -89.20 | 120 | 935 | |
| 1915-09-29 12:00 | HU | 27.90 | -89.80 | 115 | ||
| 1915-09-29 18:00 | HU | 29.00 | -90.30 | 110 | 944 | Landfall |
| 1915-09-30 00:00 | HU | 30.10 | -90.20 | 70 | 949 | |
| 1915-09-30 06:00 | TS | 31.20 | -90.00 | 60 | ||
| 1915-09-30 12:00 | EX | 32.30 | -89.30 | 50 | ||
| 1915-09-30 18:00 | EX | 33.60 | -88.40 | 40 | ||
| 1915-10-01 00:00 | EX | 35.00 | -86.80 | 35 | ||
| 1915-10-01 06:00 | EX | 36.50 | -84.80 | 35 | ||
| 1915-10-01 12:00 | EX | 38.20 | -82.40 | 35 | ||
| 1915-10-01 18:00 | EX | 40.20 | -79.80 | 35 |
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.