171 WGMY60 PGUM 161957 FFAGUM Flood Watch National Weather Service Tiyan GU 557 AM ChST Tue Sep 17 2024 GUZ001-MPZ001>003-162100- /O.EXP.PGUM.FA.A.0001.000000T0000Z-240916T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Guam-Rota-Tinian-Saipan- 557 AM ChST Tue Sep 17 2024 ...FLOOD WATCH WILL EXPIRE AT 6 AM CHST EARLY THIS MORNING... The Flash Flood Watch will expire for Guam and Rota, Saipan and Tinian. Heavy showers have moved off to the west and will continue moving away. The flash flooding threat has ended. Therefore, the Flash Flood Watch will expire at 6 AM ChST early this morning. $$ PS