TYPHOON CHAMPI NOW A DANGEROUS CATEGORY 4 MOVING WEST TOWARDS GUAM COASTAL WATERS
- NEW INFORMATION: Guam is now in Condition of Readiness 1 as of 1 PM ChST. Rota is now in Typhoon Condition of Readiness 1 as of 5 PM ChST. Saipan and Tinian remain in Typhoon Condition of Readiness 3.
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AREAS AFFECTED: This local statement provides information and recommended actions for people on Guam and on Rota, Tinian and Saipan in the Northern Marianas.
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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 Rota, Tinian and Saipan in the Northern Marianas. Please listen closely for any Flood Warnings that might be in effect for your area.
A Flash Flood Warning is now in effect for Guam.
Please check the latest public and marine forecasts for detailed information about additional hazards.
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STORM INFORMATION: At 7 PM ChST,the center of Typhoon Champi (29W) was located near latitude 12.6N,longitude 146.7E. This was about 140 miles east-southeast of Guam. Storm motion was west, 280 degrees, at 15 mph. Storm intensity was 130 mph. This general forecast track will take Champi just south of Guam as a Category 4 typhoon as it intensifies further the next few days.
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SITUATION OVERVIEW: Typhoon Champi (29W) has been undergoing rapid intensification today. As a result it is now a dangerous category 4 typhoon. It is expected to pass a little south of Guam as a super typhoon within the next 12 hours. This may potentially bring devastating wind conditions to much of Guam during passage.
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PRECAUTIONARY/PREPAREDNESS ACTIONS,
...TYPHOON CHAMPI NOW A DANGEROUS CATEGORY 4 MOVING WEST TOWARDS GUAM COASTAL WATERS... .NEW INFORMATION... Guam is now in Condition of Readiness 1 as of 1 PM ChST. Rota is now in Typhoon Condition of Readiness 1 as of 5 PM ChST. Saipan and Tinian remain in Typhoon Condition of Readiness 3. .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 Rota, Tinian and Saipan in the Northern Marianas. Please listen closely for any Flood Warnings that might be in effect for your area. A Flash Flood Warning is now in effect for Guam. Please check the latest public and marine forecasts for detailed information about additional hazards. .STORM INFORMATION... At 7 PM ChST...the center of Typhoon Champi (29W) was located near latitude 12.6N...longitude 146.7E. This was about 140 miles east-southeast of Guam. Storm motion was west, 280 degrees, at 15 mph. Storm intensity was 130 mph. This general forecast track will take Champi just south of Guam as a Category 4 typhoon as it intensifies further the next few days. .SITUATION OVERVIEW... Typhoon Champi (29W) has been undergoing rapid intensification today. As a result it is now a dangerous category 4 typhoon. It is expected to pass a little south of Guam as a super typhoon within the next 12 hours. This may potentially bring devastating wind conditions to much of Guam during passage. .PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dangerous typhoon conditions will soon occur. Everyone should be quickly moving to safety within their home or shelter. Once inside, ensure all windows and doors are secured before dangerous winds arrive. Move to an interior room on the lowest floor. Do not go outside into the eye of typhoons. Within the eye, conditions can become temporarily calm, which can be misleading. Once the eye passes, the winds will change direction and quickly increase again to dangerous speeds. Be aware that the loss of commercial power can happen quickly. Keep emergency gear handy.
At 923 PM ChST, Doppler radar indicated heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Torrential rain will continue through the night. TY Champi is anticipated to bring 8 to 14 inches of rain as it passes. Flash flooding is ongoing or expected to begin shortly.
HAZARD,Flash flooding caused by heavy rain.
SOURCE,Radar indicated.
IMPACT,Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Some locations that will experience flash flooding include, Guam
At 923 PM ChST, Doppler radar indicated heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Torrential rain will continue through the night. TY Champi is anticipated to bring 8 to 14 inches of rain as it passes. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Guam
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
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WHAT: For the Coastal Flood Warning, significant coastal flooding expected. For the High Surf Warning, dangerously large breaking waves up to 35 feet for Guam, 20 to 25 feet for Rota, and 15 to 20 feet for Tinian and Saipan.
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WHERE: Guam, Rota, Tinian and Saipan.
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WHEN: From 5 PM this afternoon to 4 AM ChST Monday.
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IMPACTS: Numerous roads may be closed. Low-lying property including homes, businesses, and some critical infrastructure will be inundated. Shoreline erosion will occur. Breaking waves can sweep people off their feet, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Coastal inundation of 5 to 7 feet for Guam, 2 to 4 feet for Rota and 1 to 3 feet for Tinian and Saipan is possible along with coastal flooding and beach erosion.
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ADDITIONAL DETAILS: Surf is expected to rise rapidly to dangerous levels tonight. Coastal impacts to the western coasts of Guam and Rota are highly dependent on the final track of Champi; passage south of Guam would be reduced impacts whereas passage over Guam would result in larger coastal inundation.
* WHAT...For the Coastal Flood Warning, significant coastal flooding expected. For the High Surf Warning, dangerously large breaking waves up to 35 feet for Guam, 20 to 25 feet for Rota, and 15 to 20 feet for Tinian and Saipan. * WHERE...Guam, Rota, Tinian and Saipan. * WHEN...From 5 PM this afternoon to 4 AM ChST Monday. * IMPACTS...Numerous roads may be closed. Low-lying property including homes, businesses, and some critical infrastructure will be inundated. Shoreline erosion will occur. Breaking waves can sweep people off their feet, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Coastal inundation of 5 to 7 feet for Guam, 2 to 4 feet for Rota and 1 to 3 feet for Tinian and Saipan is possible along with coastal flooding and beach erosion. * ADDITIONAL DETAILS...Surf is expected to rise rapidly to dangerous levels tonight. Coastal impacts to the western coasts of Guam and Rota are highly dependent on the final track of Champi; passage south of Guam would be reduced impacts whereas passage over Guam would result in larger coastal inundation.
Everyone should remain out of the water due to life-threatening surf conditions. Stay well away from the coast.
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WHAT: For the Coastal Flood Warning, significant coastal flooding expected. For the High Surf Warning, dangerously large breaking waves up to 35 feet for Guam, 20 to 25 feet for Rota, and 15 to 20 feet for Tinian and Saipan.
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WHERE: Guam, Rota, Tinian and Saipan.
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WHEN: From 5 PM this afternoon to 4 AM ChST Monday.
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IMPACTS: Numerous roads may be closed. Low-lying property including homes, businesses, and some critical infrastructure will be inundated. Shoreline erosion will occur. Breaking waves can sweep people off their feet, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Coastal inundation of 5 to 7 feet for Guam, 2 to 4 feet for Rota and 1 to 3 feet for Tinian and Saipan is possible along with coastal flooding and beach erosion.
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ADDITIONAL DETAILS: Surf is expected to rise rapidly to dangerous levels tonight. Coastal impacts to the western coasts of Guam and Rota are highly dependent on the final track of Champi; passage south of Guam would be reduced impacts whereas passage over Guam would result in larger coastal inundation.
* WHAT...For the Coastal Flood Warning, significant coastal flooding expected. For the High Surf Warning, dangerously large breaking waves up to 35 feet for Guam, 20 to 25 feet for Rota, and 15 to 20 feet for Tinian and Saipan. * WHERE...Guam, Rota, Tinian and Saipan. * WHEN...From 5 PM this afternoon to 4 AM ChST Monday. * IMPACTS...Numerous roads may be closed. Low-lying property including homes, businesses, and some critical infrastructure will be inundated. Shoreline erosion will occur. Breaking waves can sweep people off their feet, and into dangerous seas. Life- threatening swimming conditions and significant beach erosion can be expected. Coastal inundation of 5 to 7 feet for Guam, 2 to 4 feet for Rota and 1 to 3 feet for Tinian and Saipan is possible along with coastal flooding and beach erosion. * ADDITIONAL DETAILS...Surf is expected to rise rapidly to dangerous levels tonight. Coastal impacts to the western coasts of Guam and Rota are highly dependent on the final track of Champi; passage south of Guam would be reduced impacts whereas passage over Guam would result in larger coastal inundation.
Everyone should remain out of the water due to life-threatening surf conditions. Stay well away from the coast.
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WHAT: Flooding caused by excessive rainfall continues to be possible.
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WHERE: Guam, Rota, Saipan and Tinian.
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WHEN: Through Sunday afternoon.
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IMPACTS: 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.
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ADDITIONAL DETAILS:
- Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday. although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 3 to 5 inches, Rota could receive 5 to 8 inches, and Guam might get 8 to 14 inches.
- http://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Sunday afternoon. * IMPACTS...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. * ADDITIONAL DETAILS... - Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday. although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 3 to 5 inches, Rota could receive 5 to 8 inches, and Guam might get 8 to 14 inches. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
From 14/10/2026 to 15/10/2026, a Tropical Depression (maximum wind speed of 231 km/h) TWENTYNINE-26 was active in NWPacific. The cyclone affects these countries: Guam (vulnerability Medium). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0.17 million .
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