Tropical Storm Krosa (12W) – Tropical Cyclone Advisory #4: 0000 UTC 25 July 2025

Krosa strengthening as it parallels the Northern Marianas.

Author

Will Weaver
July 24, 2025

…Krosa strengthening as it parallels the Northern Marianas…

Himawari-9 visible satellite image (Weathernerds)

Current storm information:

  • Position: 16.9°N 143.4°E

  • Movement: N at 6 knots (10 km/h)

  • Intensity: 40 knots (75 km/h)

  • Central pressure: 998 hPa

Trend:

  • Some strengthening is possible during the next 24 hours.

Watches and warnings:

  • Tropical storm warning (NWS): Agrihan, Pagan, Alamagan 

  • The tropical storm watch for Rota, Tinian, and Saipan has been discontinued.

Hazards affecting land:

  • Krosa could produce gusty winds, heavy rain, and rough seas along the western coasts of the CNMI during the next couple of days.

The next advisory will be posted after 1200 UTC 25 July 2025.

Forecast positions and maximum winds

  • 00 hrs: 16.9°N 143.4°E – 40 kts

  • 12 hrs: 17.8°N 143.7°E – 45 kts

  • 24 hrs: 18.7°N 144.2°E – 50 kts

  • 48 hrs: 21.9°N 145.3°E – 65 kts

  • 72 hrs: 26.4°N 146.1°E – 65 kts

  • 96 hrs: 28.9°N 146.2°E – 60 kts

  • 120 hrs: 30.8°N 148.3°E – 60 kts

JTWC forecast map