The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory, in effect for Guam until 11:30 a.m. Flooding caused by excessive rainfall is expected. Between 0.5 and 1.5 inches of rain has already fallen. Additional rainfall amounts of 0.75 to 1.5 inches are expected, resulting in minor flooding.
Some locations that will experience flooding include Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Andersen AFB, Mongmong-Toto-Maite, Sinajana, Asan, Piti, and Santa Rita.