You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall will be possible tonight. * WHERE...Guam. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Although shower coverage is expected to be limited today, shower coverage and intensity is likely to increase tonight, with some heavy downpours possible. The ground is saturated from recent torrential rain, thus increasing the potential for flash flooding, especially over central and southern Guam. - http://www.weather.gov/safety/flood