urn:oid:2.49.0.1.840.0.b97b0d01856d55ff43e9b9c195116bedd6cb2b0e.001.2.IPAWSw-nws.webmaster@noaa.gov2026-10-16T16:51:00+10:00ActualAlert211803 v2.3.0PublicIPAWSv1.0en-USMetTyphoon WarningAvoidImmediateExtremeLikelySAMEHUWNationalWeatherServiceTYW2026-10-16T16:51:00+10:002026-10-16T16:51:00+10:002026-10-17T07:00:00+10:00NWS Tiyan GUTyphoon Warning issued October 16 at 4:51PM ChST by NWS Tiyan GU* WHAT....Typhoon conditions, including winds of 64 knots or more are expected. * WHERE...Guam Coastal Waters and Rota Coastal Waters. * WHEN...Onset of damaging winds beginning Saturday night. Onset of destructive winds Sunday morning. Damaging winds will continue into at least Sunday night, possibly longer if conditions warrant. * IMPACTS...Destructive winds will produce dangerous seas that could damage, capsize or sink vessels, along with drastically reducing visibilities in heavy rain. * ADDITIONAL DETAILS...Tropical Storm Champi (29W) continues to move quickly toward the Marianas. The exact path of 29W remains subject to change. However, guidance supports a passage through Guam coastal waters, with damaging winds moving in Saturday night and lasting into at least Sunday night. Champi is expected to strengthen further today and Saturday as it approaches, then move through the region as a typhoon Sunday morning. Seas will quickly rise, with significant sea heights reaching as high as 35 feet during closest passage of Champi. Dangerous sea conditions may continue into Monday. Prepare for the passage of a typhoon Sunday morning. Secure all vessels. Conditions are expected to be catastrophic for small craft, and extremely dangerous for any vessels of larger size. As Tropical Storm Champi approaches, stay in safe harbor.http://www.weather.govAWIPSidentifierMWWGUMWMOidentifierWHGM70 PGUM 160651NWSheadlineTYPHOON WARNING IN EFFECTBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.PGUM.TY.W.4029.261016T0651Z-000000T0000Z/WEAHandlingImminent ThreatCMAMtextNWS: TYPHOON WARNING this area. Check media and local authorities.CMAMlongtextNational Weather Service: A TYPHOON WARNING is in effect for this area for dangerous and damaging winds. This warning is issued up to 36 hours before hazardous conditions begin. Urgently complete efforts to protect life and property. Have food, water, cash, fuel, and medications for 3+ days. FOLLOW INSTRUCTIONS FROM LOCAL OFFICIALS.Guam Coastal Waters; Rota Coastal WatersSAME065151SAME065152UGCPMZ151UGCPMZ152es-USMetTyphoon WarningAvoidImmediateExtremeLikelySAMEHUWNationalWeatherServiceTYW2026-10-16T16:51:00+10:002026-10-16T16:51:00+10:002026-10-17T07:00:00+10:00NWS Tiyan GUTyphoon Warning issued October 16 at 4:51PM ChST by NWS Tiyan GU* WHAT....Typhoon conditions, including winds of 64 knots or more are expected. * WHERE...Guam Coastal Waters and Rota Coastal Waters. * WHEN...Onset of damaging winds beginning Saturday night. Onset of destructive winds Sunday morning. Damaging winds will continue into at least Sunday night, possibly longer if conditions warrant. * IMPACTS...Destructive winds will produce dangerous seas that could damage, capsize or sink vessels, along with drastically reducing visibilities in heavy rain. * ADDITIONAL DETAILS...Tropical Storm Champi (29W) continues to move quickly toward the Marianas. The exact path of 29W remains subject to change. However, guidance supports a passage through Guam coastal waters, with damaging winds moving in Saturday night and lasting into at least Sunday night. Champi is expected to strengthen further today and Saturday as it approaches, then move through the region as a typhoon Sunday morning. Seas will quickly rise, with significant sea heights reaching as high as 35 feet during closest passage of Champi. Dangerous sea conditions may continue into Monday. Prepare for the passage of a typhoon Sunday morning. Secure all vessels. Conditions are expected to be catastrophic for small craft, and extremely dangerous for any vessels of larger size. As Tropical Storm Champi approaches, stay in safe harbor.http://www.weather.govAWIPSidentifierMWWGUMWMOidentifierWHGM70 PGUM 160651NWSheadlineTYPHOON WARNING IN EFFECTBLOCKCHANNELEASBLOCKCHANNELNWEMEAS-ORGWXRVTEC/O.NEW.PGUM.TY.W.4029.261016T0651Z-000000T0000Z/WEAHandlingImminent ThreatCMAMtextSNM: AVISO DE TIFON. Consulte los medios informativos y autoridades locales.CMAMlongtextServicio Nacional de Meteorologia: AVISO DE TIFON en efecto por vientos peligrosos. Este aviso se emite 36 horas antes del comienzo de las condiciones peligrosas. Complete sus preparativos para proteger vida y propiedad. Asegure alimentos, agua, efectivo, combustible y medicamentos para 3 dias o mas. 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