Guam Typhoon Watch | Effective 04/12/2026 10:42

Headline: 
Typhoon Watch issued April 13 at 3:42AM ChST by NWS Tiyan GU
Event: 
Typhoon Watch
Urgency: 
Future
Effective: 
April 12, 2026 - 10:42am
Expires: 
April 12, 2026 - 6:45pm
Description: 
...SUPER TYPHOON SINLAKU MOVING NORTH-NORTHWEST TOWARD THE MARIANAS... .NEW INFORMATION... The Typhoon Warning for Fananu in Chuuk is cancelled. .AREAS AFFECTED... This local statement provides important information and recommended actions for people in Chuuk State, Guam and the Northern Marianas. .WATCHES/WARNINGS... The Typhoon Warning for Fananu in Chuuk State is cancelled. A Typhoon Warning remains in effect for Rota, Tinian, and Saipan. Tropical Storm Warning and Typhoon Watch remains in effect for Guam. A Tropical Storm Warning and Typhoon Watch remains in effect for Ulul in Chuuk State. A Tropical Storm Watch remains in effect for Pagan and Alamagan. 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 1 AM ChST...the center of Super Typhoon Sinlaku (04W) was located near latitude 11.4N...longitude 149.9E. This was about 370 miles east-southeast of Guam and 380 miles southeast of Tinian and Saipan. Storm motion was north-northwest, 335 degrees, at 10 mph. Storm intensity was 175 mph. .SITUATION OVERVIEW... Super Typhoon Sinlaku (04W) is slowly moving away from Chuuk State, as it moves northwest and continues heading towards the Marianas. In the meantime, Sinlaku continues to bring periods of intense showers, thunderstorms, and winds to northwest Chuuk, primarily to Ulul and just northwest of Fananu. Recent storm tracks produced by JTWC continue to show a slight northward shift in the storm path during its passage toward the Marianas, with the current forecast now expected to cross north of Rota and near or over Tinian and Saipan. Latest forecast still has Sinlaku moving into the Marianas as a category 4 or 5 typhoon.
Instruction: 
The window of time to complete preparations for the protection of life and property will be closing later today. 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, finish covering all windows and doors with shutters or plywood. Move patio furniture and other loose objects indoors. Brace all exterior doors, including garage doors. 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.
Area Description: 
Guam
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov