Flooding & Storm Watch: Guam is bracing for more unsettled, monsoon-driven rain through the weekend and into next week, with forecasters describing repeated bursts of storms along a Marianas trough; earlier flooding advisories warned of urban and small-stream flooding and ponding, plus a Nimitz Hill landslide response. Saltwater Intrusion: A University of Guam study using AI analysis of 40+ years of water data suggests rising sea levels are increasing chloride (salt) in some coastal groundwater wells, raising concerns for Guam’s mostly groundwater-based drinking supply. Coastal Hazards: A small craft advisory and dangerous surf/rip current warnings remain in effect, with 9–13 foot waves and life-threatening rip currents expected through Monday. Harbor Resilience: Repairs to Apra Harbor’s Glass Breakwater are using circular-economy and coastal engineering approaches to strengthen the breakwater against severe typhoons and climate impacts. Deep-Sea Mining Pushback: Pacific island leaders and local groups are urging stronger environmental review and public participation as the U.S. moves toward deep-sea mining leases that could affect Guam and nearby territories. Local Policy Moves: Guam lawmakers advanced bills including expanded uses and funding caps changes for the Guam Environmental Protection Agency’s environmental trust fund, updates to recycling requirements, and measures tied to habitat protection and water protection zones. Wildlife Science: A new dissertation on green sea turtles maps nesting and long-distance movements across the Pacific, filling key gaps for the Mariana Archipelago population.