Indian River near Indian River Inlet (IN MLLW)

The past week

What floods at each level

• 7.66 ft

  (Mean Lower Low Water (MLLW)) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.

• 7.01 ft

  (MLLW) The level reached on February 5, 1998.

• 6.99 ft

  (MLLW) The level reached on November 13, 2009.

• 6.94 ft

  (MLLW) The level reached on May 12, 2008.

• 6.81 ft

  (MLLW) The level reached on January 25, 2000.

• 6.59 ft

  (MLLW) The level reached on January 23, 2016.

• 6.52 ft

  (MLLW) The level reached on October 18, 2009.

• 6.36 ft

  (MLLW) The level reached on October 31, 1991.

• 6.26 ft

  (MLLW) The level reached on March 6, 2013.

• 6.25 ft

  (MLLW) The level reached on December 12, 1992.

• 6.2 ft

  (MLLW) MAJOR FLOODING. At this level, flooding starts to become severe enough to begin causing structural damage along with widespread flooding of roadways near Rehoboth Bay, Indian River Bay and the tidal waterways that flow into them. Vulnerable homes and businesses may be severely damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone who attempts to cross on foot or in a vehicle.

• 5.2 ft

  (MLLW) MODERATE FLOODING. At this level, widespread flooding of roadways begins with many roads becoming impassable near Rehoboth Bay, Indian River Bay and the tidal waterways that flow into them. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.

• 4.8 ft

  (MLLW) Flooding begins along Fred Hudson Road and Salt Pond Road (both are just north of Bethany Beach).

• 4.6 ft

  (MLLW) Flooding begins in Long Neck, including DE Route 23.

• 4.5 ft

  (MLLW) COASTAL FLOOD ADVISORY LEVEL.

• 4.4 ft

  (MLLW) Flooding begins along sections of DE Route 1 between Dewey Beach and Bethany Beach, including the Delaware Seashore State Park. Flooding begins in Bethany Beach.

• 4.2 ft

  (MLLW) MINOR FLOODING.

Highest crests on record

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