948 WTPQ82 PGUM 162313 HLSPQ2 URGENT - IMMEDIATE BROADCAST REQUESTED Typhoon Champi (29W) Local Statement National Weather Service Tiyan GU 913 AM ChST Sat Oct 17 2026 ...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! .PRECAUTIONARY/PREPAREDNESS ACTIONS... For those under a Typhoon Warning, preparations should have already been completed or should be completed very soon. Remain in a sturdy shelter until local officials give the all clear. For those under a Tropical Storm Warning, preparations according to your typhoon disaster plan shall be completed as soon as possible for your home or business. Heed the advice of local officials and comply with any orders that are issued. For those under a Typhoon Watch, now is the time to begin preparing your home or business according to your typhoon disaster plan. Listen for possible warnings and be ready to evacuate if necessary. Heed the advice of local officials and comply with any orders that are issued. For interests at ports, docks, and marinas, it is recommended that you perform the prescribed preparations according to your emergency operations plan for tropical cyclones. If you live on a boat, begin to safely secure your craft and make plans to leave it for adequate land based shelter. Listen for possible warnings. Be aware of the latest port conditions from the local port authority and from the United States Coast Guard. Regarding the coastal waters under a Watch, small craft should return to port or seek safe harbor. 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 your local emergency management. && .NEXT UPDATE... The next local statement will be issued by the National Weather Service in Tiyan, Guam around 3 PM ChST or sooner, if conditions warrant. GUZ001-170800- /O.CON.PGUM.TY.W.4029.000000T0000Z-000000T0000Z/ Guam- 913 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 Typhoon Champi (29W) approaches, sustained tropical storm force winds from the north to northeast the are expected to begin tonight around midnight. Typhoon force winds arrive Sunday morning. A passage just south of Guam would keep winds from a northeast to east, and then southeast direction. If Champi passes directly over Guam, typhoon force winds will be variable in direction from northwest to west followed by southerly winds. 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. Winds steadily decrease Sunday afternoon and evening, possible falling below tropical storm force Extremely dangerous winds will cause extensive damage. Structural collapse of some homes could cause severe injuries or possible death. Persons struck by airborne debris risk injury and possible death. Most metal roof homes will be destroyed. Some container homes will be destroyed or severely damaged, leaving them uninhabitable. Considerable damage to well constructed homes is expected. A number of roofs and exterior walls will fail. Many metal roofs will be torn off buildings at industrial parks. Partial roof and exterior wall failures are likely at low rise apartment buildings. Many windows in high rise buildings will be blown out. Falling and broken glass will pose a significant danger even after the storm. Near total power loss is expected. Potable water could become scarce as filtration systems begin to fail. Many trees will be snapped or uprooted and block numerous roads. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf is expected to develop this afternoon, then increase significantly this evening along east and north facing reefs. Dangerously large breaking waves 30 to 35 feet are likely early Sunday as Champi makes its closest approach. Significant coastal inundation upwards of 3 to 5 feet is expected especially along eastern and southern exposures as Champi passes. If Champi crosses over Guam, significant wave run up, is expected to build in along west exposures, especially around inlets of Apra Harbor. If Champi passes south of Guam, impacts to western coasts will be significantly lower. ...OTHER STORM EFFECTS... Torrential rain could dump 12 to 20 inches of rain at Guam over the duration of the event, especially where the eyewall pivots overhead. Excessive runoff may result in flooding of rivers, 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. $$ MPZ001-170800- /O.CON.PGUM.TY.W.4029.000000T0000Z-000000T0000Z/ Rota- 913 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 Typhoon Champi (29W) approaches, sustained tropical storm force winds from the northeast are expected to begin tonight around midnight. Maximum winds are forecast to be in the 35 to 45 mph range with gusts to 60 mph as they shift from northeast to east to southeast. Typhoon force winds to 90 mph are possible if Champi moves on a more northwest heading. Winds will steadily decrease during the second half of Sunday, decreasing back down to tropical storm- force Sunday night as Champi pushes away to the west. Moderate damage is likely to many metal roof homes, especially those that have canopies, awnings, or carports. Poorly constructed homes may sustain minor wall damage and partial roof removal. Other homes may have minor roof and siding damage. Flying and falling debris will pose a significant threat to life to those venturing outside. A few power lines will be knocked down resulting in scattered power outages. Some large branches of healthy trees will be snapped. Most newly planted trees and shrubs will be damaged or uprooted. Island- wide power outages are possible. These power outages are likely to turn of public utility water pumps, so water outages may develop across the islands if power outages continue for days. Shutters MUST be used for non-typhoon-resistant windows, as they may shatter and pose a life threatening risk to those both outside and inside during the passage of Champi. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf is expected to develop this afternoon, then increase significantly this evening along east and north facing reefs. Dangerously large breaking waves of 20 feet are likely early Sunday as Champi makes its closest approach. 1 to 3 feet of coastal inundation is favored, as well as significant wave run up, primarily along east and south facing coasts. ...OTHER STORM EFFECTS... Torrential rain could dump 10 to 15 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, 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. $$ MPZ002-003-170800- /O.CON.PGUM.TR.W.4029.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.A.4029.000000T0000Z-000000T0000Z/ Tinian-Saipan- 913 AM ChST Sat Oct 17 2026 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... .PRECAUTIONARY/PREPAREDNESS ACTIONS... Take small loose objects indoors. Identify suitable shelter. Stock up a few days worth of food and water. If no concrete shelter is available look for a cave or something similar. Take action to protect food crops or other possessions as appropriate. && ...WIND INFORMATION... The latest forecast is for Tropical storm force winds arriving around midnight into early Sunday. Winds will initially be from the northeast shifting east to southeast during the day. Damaging winds of 40mph with gusts up to 60 mph are likely. Higher terrain of Capitol Hill may see typhoon-force gusts. Winds will decrease and turn to a southeast direction Sunday afternoon/evening. Minor to moderate damage to some metal roof homes is possible, especially those that have canopies, awnings, or carports. Poorly constructed homes are likely to sustain some wall damage. Flying and falling debris may cause injuries to those venturing outside. Signage, some fences and canopies may be damaged significantly. Scattered to island-wide power outages are possible, as power lines sustain damage. These power outages are likely to turn of public utility water pumps, so water outages may develop across the islands if power outages continue for days. Shutters MUST be used for non- typhoon-resistant windows, as they may shatter and pose a life threatening risk to those both outside and inside during the passage of Champi. ...COASTAL INUNDATION AND SURF INFORMATION... Hazardous 7 to 9 foot surf is expected to develop this afternoon, then increase significantly this evening along east and north facing reefs. Dangerously large breaking waves of 15-20 feet are likely early Sunday as Champi makes its closest approach. 1 to 3 feet of coastal inundation is possible, as well as significant wave run up, primarily along east and south facing coasts. 7 to 9 foot surf 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. If Champi's storm track shifts northward, 1 to 3 feet of coastal inundation, as well as significant wave run up, is expected to build in along west and south exposures. ...OTHER STORM EFFECTS... Storm total rainfall during Champi is forecast to be 4 to 6 inches, especially if outer rainbands form and train over Tinian and Saipan. Excessive runoff may result in flooding of rivers, 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. $$ Bukunt/Montvila