Last Update: Oct 2022
Chesapeake Channel (CHBV2) Historical Crests  **(P.O.R= 1979-Present) 
Rank MLLW MHHW NAVD88 Date LST/LDT Event  (blue denotes Tropical)
1 7.61 4.71 5.82 11/12/2009 17:30 Hurricane Ida (extratropical)  *(5)
2 7.54 4.64 5.75 9/18/2003 14:18 Hurricane Isabel
3 7.38 4.48 5.59 8/27/2011 19:24 Hurricane Irene
4 7.10 4.20 5.31 10/29/2012 8:36 Hurricane Sandy  *(3)
5 6.82 3.92 5.03 11/22/2006 9:48 Nor'easter
6 6.63 3.73 4.84 10/6/2006 20:42 Onshore Winds  *(2)
7 6.62 3.72 4.83 2/5/1998 2:30 Nor'easter  *(4)
8 6.47 3.44 4.55 9/6/2019 14:36 Hurricane Dorian
9 6.47 3.57 4.68 10/4/2015 14:00 Hurricane Joaquin (subtropical)  *(6)
10 6.46 3.43 4.54 1/3/2022 9:00 Nor'easter
11 6.24 3.34 4.45 12/19/2009 10:48 Nor'easter
12 6.16 3.26 4.37 1/28/1998 9:00 Nor'easter  *(2)
13 6.14 3.24 4.35 9/3/2016 10:12 Hurricane Hermine
14 5.86 2.83 3.94 5/29/2021 23:36 Coastal Low
15 5.81 2.91 4.02 9/25/2008 17:42 Coastal Low (NC/SC)
             
Purple Shading indicates "MAJOR" Flooding Red Shading indicates "MODERATE" Flooding
*(number) in event column denotes multiple tides hit at least Moderate flood thresholds
All Water Levels use Verified 6-min data when available **Data prior to 2017 from Ches Bay Bridge Tunnel