Hurricane John (1978)
Aug 18, 12:00 AM UTC – Aug 30, 6:00 AM UTC (12.3 days)
- Peak
- Hurricane, Category 2
- Max sustained wind
- 105 mph (90 kt)
- Lowest pressure
- —
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (50)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1978-08-18 00:00 | TD | 12.2°N 121.0°W | 30 | — | |
| 1978-08-18 06:00 | TD | 12.3°N 121.7°W | 30 | — | |
| 1978-08-18 12:00 | TD | 12.4°N 122.4°W | 30 | — | |
| 1978-08-18 18:00 | TD | 12.4°N 123.3°W | 30 | — | |
| 1978-08-19 00:00 | TS | 12.3°N 123.8°W | 35 | — | |
| 1978-08-19 06:00 | TS | 12.2°N 124.3°W | 35 | — | |
| 1978-08-19 12:00 | TS | 12.1°N 124.6°W | 35 | — | |
| 1978-08-19 18:00 | TS | 12.0°N 125.0°W | 40 | — | |
| 1978-08-20 00:00 | TS | 12.2°N 125.6°W | 55 | — | |
| 1978-08-20 06:00 | TS | 12.4°N 126.1°W | 60 | — | |
| 1978-08-20 12:00 | TS | 12.8°N 126.8°W | 60 | — | |
| 1978-08-20 18:00 | TS | 13.3°N 127.3°W | 60 | — | |
| 1978-08-21 00:00 | TS | 13.7°N 128.2°W | 60 | — | |
| 1978-08-21 06:00 | TS | 14.1°N 129.1°W | 60 | — | |
| 1978-08-21 12:00 | TS | 14.4°N 130.1°W | 50 | — | |
| 1978-08-21 18:00 | TS | 14.9°N 131.1°W | 50 | — | |
| 1978-08-22 00:00 | TS | 15.4°N 132.4°W | 60 | — | |
| 1978-08-22 06:00 | TS | 15.8°N 133.6°W | 60 | — | |
| 1978-08-22 12:00 | HU | 15.7°N 134.8°W | 70 | — | |
| 1978-08-22 18:00 | HU | 15.6°N 135.8°W | 65 | — | |
| 1978-08-23 00:00 | HU | 15.5°N 137.0°W | 65 | — | |
| 1978-08-23 06:00 | TS | 15.4°N 138.2°W | 60 | — | |
| 1978-08-23 12:00 | TS | 15.4°N 139.4°W | 55 | — | |
| 1978-08-23 18:00 | TS | 15.5°N 140.5°W | 60 | — | |
| 1978-08-24 00:00 | HU | 15.4°N 141.7°W | 65 | — | |
| 1978-08-24 06:00 | HU | 15.5°N 143.0°W | 70 | — | |
| 1978-08-24 12:00 | HU | 15.7°N 143.7°W | 75 | — | |
| 1978-08-24 18:00 | HU | 15.9°N 145.2°W | 80 | — | |
| 1978-08-25 00:00 | HU | 16.3°N 145.2°W | 90 | — | |
| 1978-08-25 06:00 | HU | 16.0°N 146.9°W | 80 | — | |
| 1978-08-25 12:00 | HU | 15.9°N 147.8°W | 70 | — | |
| 1978-08-25 18:00 | TS | 15.8°N 148.5°W | 60 | — | |
| 1978-08-26 00:00 | TS | 15.4°N 149.3°W | 50 | — | |
| 1978-08-26 06:00 | TS | 15.0°N 150.0°W | 50 | — | |
| 1978-08-26 12:00 | TS | 14.8°N 150.8°W | 45 | — | |
| 1978-08-26 18:00 | TS | 14.8°N 151.7°W | 45 | — | |
| 1978-08-27 00:00 | TS | 15.1°N 152.5°W | 40 | — | |
| 1978-08-27 06:00 | TS | 15.0°N 153.5°W | 40 | — | |
| 1978-08-27 12:00 | TS | 14.9°N 154.5°W | 35 | — | |
| 1978-08-27 18:00 | TS | 15.0°N 156.5°W | 35 | — | |
| 1978-08-28 00:00 | TS | 15.3°N 156.7°W | 35 | — | |
| 1978-08-28 06:00 | TS | 15.5°N 157.5°W | 35 | — | |
| 1978-08-28 12:00 | TS | 15.4°N 158.3°W | 35 | — | |
| 1978-08-28 18:00 | TS | 15.0°N 159.0°W | 35 | — | |
| 1978-08-29 00:00 | TS | 14.8°N 159.7°W | 35 | — | |
| 1978-08-29 06:00 | TS | 14.9°N 161.5°W | 35 | — | |
| 1978-08-29 12:00 | TS | 14.8°N 163.0°W | 35 | — | |
| 1978-08-29 18:00 | TS | 14.4°N 164.6°W | 35 | — | |
| 1978-08-30 00:00 | TD | 14.8°N 166.2°W | 30 | — | |
| 1978-08-30 06:00 | TD | 14.7°N 167.7°W | 25 | — |
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.