2026 tropical cyclone season · eastern North Pacific
Hurricane Polo Polo · EP172026
Hurricane Polo was tracked in the eastern North Pacific from 2026-09-17 to 2026-09-30 (13 days), peaking at 155 kt (H5) with a minimum pressure of 892 hPa. 296 archived forecasts from NHC, ECMWF, ECMWF ENS, GFS, GEFS, Google DeepMind are verified against its best track; at 48 hours the closest was Google DeepMind, 72 km off on average.
- ATCF ID
- EP172026
- Basin
- eastern North Pacific
- Tracked
- 2026-09-17 → 2026-09-30 (13 days)
- Peak wind
- 155 kt · 80 m/s · H5
- Minimum pressure
- 892 hPa
- Archived forecasts
- 296
- Sources
- NHC · ECMWF · ECMWF ENS · GFS · GEFS · Google DeepMind
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| NHC | 46 (33) | 76 (29) | 81 (25) | 153 (17) |
| ECMWF | 47 (33) | 78 (29) | 105 (25) | 168 (17) |
| ECMWF ENS | 47 (33) | 79 (29) | 101 (25) | 254 (17) |
| GFS | 47 (33) | 81 (29) | 86 (25) | 205 (17) |
| GEFS | 44 (33) | 74 (29) | 72 (25) | 167 (17) |
| Google DeepMind | 35 (33) | 72 (29) | 99 (25) | 180 (17) |
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 |
|---|---|---|---|---|
| 2026-09-17 12Z | 7.0°N 102.7°W | 20 | 1010 | TD |
| 2026-09-17 18Z | 7.0°N 103.3°W | 20 | 1010 | TD |
| 2026-09-18 00Z | 7.0°N 103.9°W | 20 | 1010 | TD |
| 2026-09-18 06Z | 7.1°N 104.3°W | 20 | 1010 | TD |
| 2026-09-18 12Z | 7.3°N 105.0°W | 20 | 1010 | TD |
| 2026-09-18 18Z | 7.7°N 105.4°W | 20 | 1010 | TD |
| 2026-09-19 00Z | 8.4°N 105.7°W | 20 | 1009 | TD |
| 2026-09-19 06Z | 9.4°N 105.9°W | 20 | 1009 | TD |
| 2026-09-19 12Z | 10.3°N 106.0°W | 25 | 1008 | TD |
| 2026-09-19 18Z | 11.2°N 106.0°W | 25 | 1008 | TD |
| 2026-09-20 00Z | 12.6°N 106.3°W | 25 | 1007 | TD |
| 2026-09-20 06Z | 13.4°N 105.8°W | 30 | 1007 | TD |
| 2026-09-20 12Z | 14.0°N 105.5°W | 30 | 1007 | TD |
| 2026-09-20 18Z | 14.5°N 105.1°W | 30 | 1007 | TD |
| 2026-09-21 00Z | 15.1°N 104.8°W | 35 | 1004 | TS |
| 2026-09-21 06Z | 15.5°N 104.1°W | 40 | 1003 | TS |
| 2026-09-21 12Z | 15.4°N 103.6°W | 55 | 997 | TS |
| 2026-09-21 18Z | 15.2°N 103.0°W | 70 | 978 | H1 |
| 2026-09-22 00Z | 15.1°N 102.5°W | 90 | 967 | H2 |
| 2026-09-22 06Z | 14.7°N 102.0°W | 120 | 945 | H4 |
| 2026-09-22 12Z | 14.6°N 101.6°W | 140 | 926 | H5 |
| 2026-09-22 18Z | 14.6°N 101.5°W | 155 | 892 | H5 |
| 2026-09-23 00Z | 14.6°N 101.4°W | 145 | 905 | H5 |
| 2026-09-23 06Z | 14.8°N 101.3°W | 140 | 915 | H5 |
| 2026-09-23 12Z | 15.2°N 101.6°W | 130 | 925 | H4 |
| 2026-09-23 18Z | 15.5°N 102.1°W | 125 | 931 | H4 |
| 2026-09-24 00Z | 15.8°N 102.3°W | 140 | 923 | H5 |
| 2026-09-24 06Z | 16.4°N 103.0°W | 140 | 923 | H5 |
| 2026-09-24 12Z | 16.7°N 103.9°W | 135 | 927 | H4 |
| 2026-09-24 18Z | 16.9°N 104.9°W | 130 | 938 | H4 |
| 2026-09-25 00Z | 17.1°N 106.1°W | 130 | 935 | H4 |
| 2026-09-25 06Z | 17.1°N 107.0°W | 135 | 929 | H4 |
| 2026-09-25 12Z | 17.1°N 108.0°W | 155 | 908 | H5 |
| 2026-09-25 18Z | 17.1°N 108.8°W | 155 | 914 | H5 |
| 2026-09-26 00Z | 17.2°N 109.7°W | 150 | 911 | H5 |
| 2026-09-26 06Z | 17.4°N 110.5°W | 150 | 912 | H5 |
| 2026-09-26 12Z | 17.7°N 111.4°W | 135 | 922 | H4 |
| 2026-09-26 18Z | 18.3°N 112.2°W | 125 | 938 | H4 |
| 2026-09-27 00Z | 19.0°N 112.9°W | 110 | 946 | H3 |
| 2026-09-27 06Z | 19.8°N 113.4°W | 105 | 952 | H3 |
| 2026-09-27 12Z | 20.6°N 113.8°W | 105 | 952 | H3 |
| 2026-09-27 18Z | 21.4°N 114.0°W | 110 | 951 | H3 |
| 2026-09-28 00Z | 22.4°N 114.1°W | 110 | 951 | H3 |
| 2026-09-28 06Z | 23.2°N 114.0°W | 105 | 955 | H3 |
| 2026-09-28 12Z | 23.9°N 113.7°W | 100 | 958 | H3 |
| 2026-09-28 18Z | 24.6°N 113.4°W | 100 | 963 | H3 |
| 2026-09-29 00Z | 25.2°N 112.8°W | 100 | 963 | H3 |
| 2026-09-29 06Z | 25.9°N 112.2°W | 90 | 967 | H2 |
| 2026-09-29 12Z | 26.9°N 111.6°W | 65 | 981 | H1 |
| 2026-09-29 18Z | 28.0°N 110.6°W | 60 | 987 | TS |
| 2026-09-30 00Z | 30.0°N 108.5°W | 30 | 996 | TD |