5.3' - Major flooding occurs to many structures and marinas along the river and in the Hontoon Island area.
4.8' - Water starts to enter low lying buildings around Hontoon Island. Many secondary roads and homes in low lying areas are flooded.
4.5' - Water moves into yards and approaches buildings around Hontoon Island.
4' - Docks and piers are completely submerged at Pier 44 Marina. Many docks are partially submerged at Hontoon Landing Marina.
3.5' - Flooding of campsites and trails occurs at Hontoon Island State Park.