グアム国際空港
The presence of the nearby tropical cyclone caused the delaying of two flights and the cancellation of another at Antonio B. Won Pat International Airport. On Guam, the United States Navy ordered the release of ships from the local harbor. There, peaked at 251 mm (9.90 in) over a 24-hour period at Piti. At the National Weather Service office in Tiyan, a gauge observed 100 mm (3.95 in) of rain. Gusty winds were also associated with Saomai's outer rainbands, with gusts peaking at a measured 105 km/h (66 mph) on September 4. The winds caused power outage in localized areas and downed two telephone poles. Severe flooding occurred in Merizo after a storm drain became clogged with debris, inundating six houses.