Delaware Bay at Lewes (IN MLLW)

The past week

What floods at each level

• 9.26 ft

  (Mean Lower Low Water (MLLW)) The level reached on January 23, 2016.

• 9.22 ft

  (MLLW) The level reached on March 6, 1962.

• 8.75 ft

  (MLLW) The level reached on January 4, 1992.

• 8.69 ft

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

• 8.62 ft

  (MLLW) The level reached on January 28, 1998.

• 8.49 ft

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

• 8.03 ft

  (MLLW) The level reached on September 27, 1985 during Hurricane Gloria.

• 8 ft

  (MLLW) MAJOR FLOODING. At this level, flooding starts to become severe enough to begin causing structural damage along with widespread flooding of roadways in the coastal communities of Sussex County. Vulnerable homes and businesses may be severely damaged or destroyed 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.

• 7 ft

  (MLLW) MODERATE FLOODING. At this level, widespread flooding of roadways begins due to high water and/or wave action with many roads becoming impassable in the coastal communities of Sussex County. 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.

• 6.8 ft

  (MLLW) Flooding begins in Milford along the Mispillion River. Flooding begins in Broadkill Beach, including DE Route 16. Flooding begins in Rehoboth Beach along Surf Avenue and along the boardwalk.

• 6.6 ft

  (MLLW) Flooding begins in Milton along the Broadkill River.

• 6.4 ft

  (MLLW) Flooding begins around the Mispillion Light and in Slaughter Beach. Flooding begins in Primehook Beach and along Primehook Road. Flooding begins along Bay Avenue, Cedar Street and Pilottown Road in Lewes. Flooding begins along Savannah Road (Business US Route 9) in Lewes in the vicinity of the Lewes and Rehoboth Canal.

• 6.3 ft

  (MLLW) COASTAL FLOOD ADVISORY LEVEL.

• 6.2 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 Dewey Beach.

• 6 ft

  (MLLW) MINOR FLOODING.

Highest crests on record

More on Delaware Bay