Unnamed was a Cat 2 Atlantic tropical cyclone that existed from September 12 to September 17, 1903 (6 days). It reached peak winds of 97 mph (85 kt) and a minimum central pressure of 990 mb. The storm made one landfall on September 16 at 39.1°N, 74.7°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1903-09-12 00:00 | TS | 22.50 | -55.60 | 60 | ||
| 1903-09-12 06:00 | TS | 23.30 | -56.40 | 60 | ||
| 1903-09-12 12:00 | TS | 24.20 | -57.30 | 60 | ||
| 1903-09-12 18:00 | TS | 25.40 | -58.70 | 60 | ||
| 1903-09-13 00:00 | TS | 26.50 | -60.40 | 60 | ||
| 1903-09-13 06:00 | TS | 27.40 | -62.20 | 60 | ||
| 1903-09-13 12:00 | TS | 28.00 | -64.00 | 60 | ||
| 1903-09-13 18:00 | TS | 28.40 | -65.20 | 60 | ||
| 1903-09-14 00:00 | TS | 28.80 | -66.50 | 60 | ||
| 1903-09-14 06:00 | TS | 29.10 | -67.80 | 60 | ||
| 1903-09-14 12:00 | TS | 29.50 | -69.00 | 60 | ||
| 1903-09-14 18:00 | HU | 30.10 | -70.30 | 65 | ||
| 1903-09-15 00:00 | HU | 30.80 | -71.50 | 70 | ||
| 1903-09-15 06:00 | HU | 31.60 | -72.60 | 75 | ||
| 1903-09-15 12:00 | HU | 32.50 | -73.30 | 80 | ||
| 1903-09-15 18:00 | HU | 34.10 | -74.00 | 85 | ||
| 1903-09-16 00:00 | HU | 36.20 | -74.50 | 80 | ||
| 1903-09-16 06:00 | HU | 38.00 | -74.60 | 75 | ||
| 1903-09-16 11:00 | HU | 39.10 | -74.70 | 70 | 990 | Landfall |
| 1903-09-16 12:00 | HU | 39.30 | -74.70 | 70 | 990 | |
| 1903-09-16 18:00 | TS | 40.30 | -75.00 | 55 | ||
| 1903-09-17 00:00 | TS | 41.10 | -75.50 | 55 | ||
| 1903-09-17 06:00 | TS | 41.90 | -76.30 | 45 | ||
| 1903-09-17 12:00 | EX | 43.00 | -77.00 | 40 | ||
| 1903-09-17 18:00 | EX | 44.80 | -77.00 | 30 |
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.