WTPQ82 PGUM 161703 HLSPQ2 URGENT - IMMEDIATE BROADCAST REQUESTED Tropical Storm Champi (29W) Local Statement National Weather Service Tiyan GU 303 AM ChST Sat Oct 17 2026 ...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... PRECAUTIONARY/PREPAREDNESS ACTIONS... For those under a warning...now is the time to rush to completion preparations for the protection of life and property. Evacuate if directed to do so by local officials...or if your home is vulnerable to high winds or flooding. At ports...docks...and marinas...urgently complete prescribed preparations according to your emergency operations plan for tropical cyclones. If you live on a boat...make final preparations for securing your craft before leaving it. Regarding any coastal waters under a warning...small craft should remain in port and well secured. For those under a watch...continue with your preparations and listen for possible warnings. Regarding any coastal waters under a watch...small craft should return to port or seek safe harbor. Determine the best strategy for securing your craft. Closely monitor NOAA weather radio or other local news outlets for official storm information. Listen for possible changes to the forecast. For additional precautionary and preparedness information... Please refer to the detailed recommendations relative to your location as further described by your local National Weather Service office and local emergency management. && .NEXT UPDATE... The next local statement will be issued by the National Weather Service in Tiyan around 9 AM ChST...or sooner if conditions warrant. GUZ001-170115- /O.CON.PGUM.TY.W.4029.000000T0000Z-000000T0000Z/ Guam- 303 AM ChST Sat Oct 17 2026 ...TYPHOON WARNING IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... Make the final preparations to protect life and property. Rush to completion the hardening of your home or business by closing shutters and bracing garage doors. If evacuating, leave as soon as possible. Guard against being stuck out on roadways when dangerous winds and heavy rains arrive. Again, do not stay in a metal roof or container home. Remember, pets are not allowed in most official shelters, so check ahead with your intended shelter. If staying in a home, turn the refrigerator to maximum cold and keep it closed. Turn off propane tanks and unplug small appliances. Fill the bathtub with water in case the tap water becomes unavailable after the storm. This is for cleaning and flushing purposes. Do not drink it. && ...WIND INFORMATION... As Tropical Storm Champi (29W) approaches, sustained tropical storm force winds are expected to begin late this evening and typhoon force winds Sunday morning. Typhoon force winds are forecast to last for several hours. Maximum winds are forecast to be in the 80 to 110 mph range with gusts to 150 mph. Dangerous winds will produce widespread damage. Airborne debris will cause damage. Persons struck by debris may be injured or possibly killed. The majority of metal roof homes will be severely damaged, along with some container homes. Some homes of frame construction will experience major damage, including roofs being lifted off and walls partially collapsing, leaving them uninhabitable. Well constructed homes will have damage to shingles, siding, and gutters. Windows will be blown out if not properly covered. Partial roof failure is expected at some industrial parks, especially to those buildings with light weight steel and aluminum coverings. Some low rise apartment building roofs may be torn off, along with siding and shingle damage. A number of glass windows in high rise buildings will be blown out. Loose outdoor items will become projectiles, causing additional damage and possible injury. Extensive damage to power lines and poles will likely result in widespread power outages that could last from several days to weeks. Numerous large branches will break. Many trees will be uprooted or snapped. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf is expected to develop, then increase significantly beginning late this afternoon, with dangerously large breaking waves 30 to 35 feet expected to develop along all shores of Guam Sunday. In addition, significant coastal inundation upwards of 3 to 5 feet is expected especially along eastern and southern exposures as Champi approaches. If Champi continues on its current track and crosses over or near Guam, significant wave run up, is expected to build in along west exposures, especially around inlets of Apra Harbor. ...OTHER STORM EFFECTS... A Flood Watch is in effect for the entire area. See latest forecast for latest information. Listen for possible flood warnings for your location...and be ready to act if flooding rains occur. As Champi continues to intensify and eventually becomes a typhoon prior to moving across the Marianas, torrential rain could dump 12 to 20 inches of rain at Guam over the duration of the event, especially if the center moves over or near Guam. Excessive runoff may result in flooding of rivers, creeks, streams, and other low- lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. $$ MPZ001-170115- /O.CON.PGUM.TY.W.4029.000000T0000Z-000000T0000Z/ Rota- 303 AM ChST Sat Oct 17 2026 ...TYPHOON WARNING REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... Make the final preparations to protect life and property. Rush to completion the hardening of your home or business by closing shutters and bracing garage doors. If evacuating, leave as soon as possible. Guard against being stuck out on roadways when dangerous winds and heavy rains arrive. Again, do not stay in a metal roof or container home. Remember, pets are not allowed in most official shelters, so check ahead with your intended shelter. If staying in a home, turn the refrigerator to maximum cold and keep it closed. Turn off propane tanks and unplug small appliances. Fill the bathtub with water in case the tap water becomes unavailable after the storm. This is for cleaning and flushing purposes. Do not drink it. && ...WIND INFORMATION... As Tropical Storm Champi (29W) approaches, sustained tropical storm force winds are expected to begin late This evening. Maximum winds are forecast to be in the 50 to 60 mph range with gusts to 90 mph. Damaging winds are likely. Most poorly constructed metal roof homes will be damaged, some severely. Loose outdoor items will become become airborne, causing additional damage and possible injury. Some power lines will be knocked down by falling trees, resulting in scattered power outages. Many large branches of trees will be snapped, and a few trees will be uprooted. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf will develop, then is expected to increase significantly beginning late Saturday afternoon, with dangerously large breaking waves upwards of 20 feet expected to develop along all shores of Rota Sunday. In addition, significant coastal inundation upwards of 2 to 3 feet is expected especially along eastern and southern exposures as Champi approaches. Some wave run up, is expected to build in along east and south exposures. ...OTHER STORM EFFECTS... A Flood Watch is in effect for the entire area. See latest forecast for latest information. Listen for possible flood warnings for your location...and be ready to act if flooding rains occur. As Champi continues to intensify and eventually become a typhoon prior to moving across the Marianas, torrential rain could dump 10 to 18 inches of rain at Rota over the duration of the event, especially if the center moves closer to Rota. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. $$ MPZ002-003-170115- /O.CON.PGUM.TR.W.4029.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.A.4029.000000T0000Z-000000T0000Z/ Tinian-Saipan- 303 AM ChST Sat Oct 17 2026 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && ...WIND INFORMATION... As Tropical Storm Champi (29W) moves closer, the threat for sustained high winds is likely to increase. The latest forecast is for tropical storm force winds from early Sunday morning to late Sunday afternoon. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf will develop, then is expected to increase significantly beginning late Saturday afternoon, with dangerously large breaking waves upwards of 18 feet expected to develop along eastern and southern shores of Tinian and Saipan Sunday. In addition, significant coastal inundation upwards of 1 to 2 feet is expected as Champi approaches. ...OTHER STORM EFFECTS... A Flood Watch is in effect for the entire area. See latest forecast for latest information. Listen for possible flood warnings for your location...and be ready to act if flooding rains occur. As Champi continues to intensify and eventually become a typhoon prior to moving across the Marianas, torrential rain could dump 8 to 12 inches of rain at Tinian and Saipan over the duration of the event, especially if outer rainbands form and train over Tinian and Saipan. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. $$