Typhoon Matmo (27W) – Tropical Cyclone Advisory #9: 0000 UTC 5 October 2025

Matmo strengthening quickly and about to move over the Leizhou Peninsula.

Author

Will Weaver
October 04, 2025

…Matmo strengthening quickly and about to move over the Leizhou Peninsula…

Himawari-9 visible satellite image (Weathernerds)

Current storm information:

  • Position: 20.3°N 111.5°E

  • Movement: WNW at 12 knots (25 km/h)

  • Intensity: 90 knots (165 km/h) [Category 2]

  • Central pressure: 970 hPa

Trend:

  • Rapid weakening is forecast once Matmo makes landfall.

Watches and warnings:

  • No. 8 Gale/Storm Signal (HKO/SMG): Macau

  • No. 3 Strong Wind Signal (HKO/SMG): Hong Kong

Hazards affecting land:

  • Matmo is expected to produce dangerous typhoon conditions - destructive winds, heavy rain, and life-threatening heavy surf and rip currents - along the southern coast of China, including the Leizhou Peninsula and the northern coastline of Hainan Island - through this evening. Dangerous tropical storm conditions will spread to the northern coast of the Gulf of Tonkin in southern China and far northeastern Vietnam late Sunday evening and continuing through Monday. In addition, the heavy rainfall produced by Matmo will pose a widespread severe flooding threat through the middle of the week. For additional details, refer to products from your local weather office.

The next advisory will be posted after 1200 UTC 5 October 2025.

Forecast positions and maximum winds

  • 000 hrs: 20.3°N 111.5°E – 90 kts 

  • 012 hrs: 21.4°N 109.5°E – 75 kts on the coast

  • 024 hrs: 22.3°N 107.5°E – 40 kts inland

  • 048 hrs: 23.1°N 105.1°E – 20 kts inland

  • 072 hrs: Dissipated

JMA forecast map