Extreme · Typhoon WarningActive alert
Typhoon Warning issued October 17 at 9:13AM ChST by NWS Tiyan GU
Affecting Guam
In effect until: Oct 17, 2026, 8:00 AM
Guam
Likely impact; effects through 8:00 AM.
Stay indoors, monitor local alerts, and follow instructions from local officials.
Read the original bulletin (official text)
...TYPHOON CHAMPI MOVING WEST-NORTHWEST TOWARDS GUAM... .NEW INFORMATION... Champi upgraded to a typhoon. .AREAS AFFECTED... This local statement provides information and recommended actions for people on Guam, and on Rota, Tinian and Saipan in the Northern Marianas. .WATCHES/WARNINGS... A Typhoon Warning continues for Guam and Rota. A Tropical Storm Warning in conjuction with a Typhoon Watch continue for Tinian and Saipan. A Coastal Flood Warning is in effect for Guam, Rota, Tinian and Saipan. A Flood Watch is in effect for all of Guam and the Northern Marianas. Please listen closely for any Flash Flood Warnings that might be in effect for your area. Please check the latest public and marine forecasts for detailed information about additional hazards. .STORM INFORMATION... At 700 AM ChST, the center of Typhoon Champi (29W) was located near latitude 12.0N and longitude 149.6E. This was about 340 miles east- southeast of Guam. Storm motion was west-northwest, 295 degrees, at 15 mph. Storm intensity was 85 mph. The system is expected to further intensify today, with rapid intensification likely as Champi approaches the Marianas. This general forecast track will take Champi just south of Guam as a category 3 typhoon. .SITUATION OVERVIEW... Showers and winds will steadily increase this afternoon, and then deteriorate significantly from tonight as newly upgraded Typhoon Champi continues to move in from the east-southeast. Champi is expected to go through a period of rapid intensification shortly, strengthening further as the day goes on. Winds and rain will come in rapidly, with winds becoming dangerous and life threatening very soon after onset. Do not let a false sense of normalcy now dictate your actions tomorrow; prepare NOW!
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™