Tropical Depression 18W – Tropical Cyclone Advisory #5: 0000 UTC 20 August 2025

Tropical Depression 18W moving slowly north-northeastward.

Author

Will Weaver
August 19, 2025

…Tropical Depression 18W moving slowly north-northeastward…

Himawari-9 visible satellite image (Weathernerds)

Current storm information:

  • Position: 29.4°N 127.4°E

  • Movement: NNE at 8 knots (15 km/h)

  • Intensity: 30 knots (55 km/h)

  • Central pressure: 1005 hPa

Trend:

  • Little change in strength is forecast during the next 24 hours.

Watches and warnings:

  • There are no land-based watches or warnings in effect.

Hazards affecting land:

  • The depression is likely to produce heavy rainfall over portions of the Ryukyu Islands, including Okinawa, during the next few hours before spreading over southern Kyushu later today. This rain could result in flash flooding. For additional information, refer to products from your local weather office. U.S. military interests can find additional information at the Stars & Stripes Pacific Storm Tracker: https://www.stripes.com/theaters/asia_pacific/storm_tracker/

The next full advisory will be issued after 1200 UTC 20 August 2025.

Forecast positions and maximum winds

  • 00 hrs: 29.4°N 127.4°E – 30 kts

  • 12 hrs: 31.4°N 127.9°E – 30 kts

  • 24 hrs: 32.8°N 128.3°E – 30 kts

  • 48 hrs: 33.5°N 128.4°E – 25 kts

  • 72 hrs: Dissipated