2025 tropical cyclone season · western North Pacific
Typhoon Halong Halong · WP282025
Typhoon Halong was tracked in the western North Pacific from 2025-10-03 to 2025-10-11 (9 days), peaking at 119 kt (H4) with a minimum pressure of 935 hPa. 111 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was GFS, 123 km off on average.
- ATCF ID
- WP282025
- Basin
- western North Pacific
- Tracked
- 2025-10-03 → 2025-10-11 (9 days)
- Peak wind
- 119 kt · 61 m/s · H4
- Minimum pressure
- 935 hPa
- Archived forecasts
- 111
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 61 (20) | 149 (16) | 387 (12) | 1737 (2) |
| ECMWF ENS | 72 (20) | 188 (16) | 493 (12) | 1967 (4) |
| GFS | 53 (20) | 123 (16) | 188 (12) | 357 (4) |
| GEFS | 61 (20) | 145 (16) | 276 (12) | 989 (4) |
Mean great-circle distance to the best track at each lead time, counted while the system was a tropical or subtropical cyclone; the number of cases is in brackets.
Best track
Six-hourly positions of the US best track (JTWC / NHC, one-minute winds); grades on the Saffir–Simpson scale.
| Time (UTC) | Position | Wind (kt) | Pressure (hPa) | Grade |
|---|---|---|---|---|
| 2025-10-04 12Z | 24.8°N 143.3°E | 29 | 1003 | TD |
| 2025-10-04 18Z | 24.9°N 142.5°E | 29 | 1002 | TD |
| 2025-10-05 00Z | 24.8°N 142.7°E | 35 | 997 | TS |
| 2025-10-05 06Z | 24.9°N 142.3°E | 39 | 994 | TS |
| 2025-10-05 12Z | 25.2°N 142.4°E | 45 | 991 | TS |
| 2025-10-05 18Z | 25.5°N 141.9°E | 54 | 985 | TS |
| 2025-10-06 00Z | 25.6°N 141.5°E | 60 | 981 | TS |
| 2025-10-06 06Z | 25.7°N 140.9°E | 64 | 977 | H1 |
| 2025-10-06 12Z | 26.2°N 140.0°E | 70 | 976 | H1 |
| 2025-10-06 18Z | 26.6°N 139.2°E | 70 | 977 | H1 |
| 2025-10-07 00Z | 26.9°N 138.6°E | 80 | 967 | H1 |
| 2025-10-07 06Z | 27.6°N 137.9°E | 93 | 958 | H2 |
| 2025-10-07 12Z | 28.1°N 137.3°E | 115 | 942 | H4 |
| 2025-10-07 18Z | 28.8°N 137.0°E | 119 | 936 | H4 |
| 2025-10-08 00Z | 29.7°N 137.1°E | 119 | 936 | H4 |
| 2025-10-08 06Z | 30.5°N 137.8°E | 119 | 935 | H4 |
| 2025-10-08 12Z | 31.5°N 138.5°E | 119 | 940 | H4 |
| 2025-10-08 18Z | 32.5°N 139.4°E | 109 | 946 | H3 |
| 2025-10-09 00Z | 33.0°N 141.1°E | 105 | 950 | H3 |
| 2025-10-09 06Z | 33.6°N 143.6°E | 93 | 959 | H2 |
| 2025-10-09 12Z | 33.9°N 146.7°E | 84 | 968 | H2 |
| 2025-10-09 18Z | 34.1°N 149.9°E | 70 | 980 | H1 |
| 2025-10-10 00Z | 34.1°N 153.2°E | 64 | 984 | H1 |
| 2025-10-10 06Z | 34.6°N 159.0°E | 70 | 975 | H1 |