Northern Mariana Islands Severe Tropical Storm Warning | Effective 10/16/2026 10:03

Headline: 
Tropical Storm Warning issued October 17 at 3:03AM ChST by NWS Tiyan GU
Event: 
Tropical Storm Warning
Urgency: 
Immediate
Effective: 
October 16, 2026 - 10:03am
Expires: 
October 16, 2026 - 6:15pm
Description: 
...TROPICAL STORM CHAMPI MOVING WEST TOWARD GUAM... .NEW INFORMATION... None. .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 and a Typhoon Watch continues for Tinian and Saipan. A Flood Watch is in effect for all of Guam and the Northern Marianas. Please listen closely for any 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 1 AM ChST...the center of Tropical Storm Champi (29W) was located near latitude 11.6N...longitude 150.8E. This was about 420 miles east-southeast of Guam. Storm motion was west, 275 degrees, at 15 mph. Storm intensity was 70 mph. .SITUATION OVERVIEW... TS Champi continues to head toward Guam. Along the way, Rota will be affected by lesser but still damaging winds toward the outside of Champi. Tinian and Saipan will be just grazed by the edge. .PRECAUTIONARY/PREPAREDNESS ACTIONS...
Instruction: 
Stay calm and keep informed. Comply with any evacuation orders that are issued for your area. If you live in a metal roof or container home, or you live in a surge zone or any location prone to flooding, evacuate to a designated shelter or ride out the storm in the sturdy home of family or friends outside of evacuation zones. Items to bring to a shelter include a first aid kit, medicines and prescriptions, baby food and diapers, games and books, toiletries, a battery powered radio, a cell phone, flashlights with extra batteries, a blanket or sleeping bag for each person, personal identification, copies of key papers such as insurance policies, available cash and credit cards. Remember, pets are not allowed in most public shelters, so check ahead with your intended shelter. Regarding your home or business, cover all windows and doors with shutters or plywood. Move patio furniture and other loose objects indoors. Brace all exterior doors, including garage doors. Do this as early as possible. If you need to make a trip to the hardware store, the grocery store, or the gas station, do so as early as possible.
Area Description: 
Tinian; Saipan
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov