Unnamed Hurricane, AL04 1917
Sep 20, 12:00 AM UTC – Sep 30, 6:00 AM UTC (10.3 days)
- Peak
- Hurricane, Category 4
- Max sustained wind
- 150 mph (130 kt)
- Lowest pressure
- 928 mb
- Landfalls
- 1
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Landfalls
- Sep 29, 2:00 AM UTC · 30.4°N 86.6°W · Hurricane · 115 mph · 949 mb
Every track point (43)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1917-09-20 00:00 | TS | 13.4°N 57.1°W | 40 | — | |
| 1917-09-20 06:00 | TS | 13.7°N 58.3°W | 40 | — | |
| 1917-09-20 12:00 | TS | 14.0°N 59.5°W | 40 | — | |
| 1917-09-20 18:00 | TS | 14.3°N 60.7°W | 45 | — | |
| 1917-09-21 00:00 | TS | 14.7°N 61.9°W | 50 | — | |
| 1917-09-21 06:00 | TS | 15.1°N 63.1°W | 55 | — | |
| 1917-09-21 12:00 | TS | 15.5°N 64.4°W | 60 | — | |
| 1917-09-21 18:00 | HU | 15.8°N 66.1°W | 65 | — | |
| 1917-09-22 00:00 | HU | 16.2°N 67.9°W | 70 | — | |
| 1917-09-22 06:00 | HU | 16.5°N 69.9°W | 75 | — | |
| 1917-09-22 12:00 | HU | 16.9°N 71.6°W | 80 | — | |
| 1917-09-22 18:00 | HU | 17.3°N 73.1°W | 85 | — | |
| 1917-09-23 00:00 | HU | 17.7°N 74.5°W | 85 | — | |
| 1917-09-23 06:00 | HU | 18.1°N 75.9°W | 90 | — | |
| 1917-09-23 12:00 | HU | 18.4°N 77.2°W | 90 | — | |
| 1917-09-23 18:00 | HU | 18.8°N 78.2°W | 95 | — | |
| 1917-09-24 00:00 | HU | 19.2°N 79.0°W | 95 | — | |
| 1917-09-24 06:00 | HU | 19.6°N 79.6°W | 100 | — | |
| 1917-09-24 12:00 | HU | 20.1°N 80.2°W | 100 | — | |
| 1917-09-24 18:00 | HU | 20.6°N 80.8°W | 105 | — | |
| 1917-09-25 00:00 | HU | 21.0°N 81.3°W | 110 | — | |
| 1917-09-25 06:00 | HU | 21.4°N 81.9°W | 120 | — | |
| 1917-09-25 12:00 | HU | 21.8°N 82.5°W | 130 | 928 | |
| 1917-09-25 18:00 | HU | 22.3°N 83.2°W | 130 | — | |
| 1917-09-26 00:00 | HU | 22.8°N 83.9°W | 120 | — | |
| 1917-09-26 06:00 | HU | 23.3°N 84.6°W | 120 | — | |
| 1917-09-26 12:00 | HU | 23.9°N 85.2°W | 120 | — | |
| 1917-09-26 18:00 | HU | 24.4°N 86.0°W | 120 | — | |
| 1917-09-27 00:00 | HU | 24.7°N 87.0°W | 115 | — | |
| 1917-09-27 06:00 | HU | 25.1°N 88.1°W | 115 | — | |
| 1917-09-27 12:00 | HU | 25.7°N 88.9°W | 110 | — | |
| 1917-09-27 18:00 | HU | 26.3°N 89.2°W | 110 | — | |
| 1917-09-28 00:00 | HU | 27.1°N 89.4°W | 105 | — | |
| 1917-09-28 06:00 | HU | 28.0°N 89.2°W | 105 | — | |
| 1917-09-28 12:00 | HU | 28.8°N 88.8°W | 105 | — | |
| 1917-09-28 18:00 | HU | 29.5°N 87.9°W | 100 | — | |
| 1917-09-29 00:00 | HU | 30.2°N 86.9°W | 100 | 949 | |
| 1917-09-29 02:00 | HU | 30.4°N 86.6°W | 100 | 949 | Landfall |
| 1917-09-29 06:00 | HU | 30.9°N 86.0°W | 75 | — | |
| 1917-09-29 12:00 | TS | 31.5°N 85.2°W | 55 | — | |
| 1917-09-29 18:00 | TS | 31.9°N 84.4°W | 40 | — | |
| 1917-09-30 00:00 | TS | 32.0°N 83.2°W | 35 | — | |
| 1917-09-30 06:00 | EX | 32.0°N 82.5°W | 30 | — |
From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.