Coastal Flood in Delaware

Events

193

Deaths

0

Injuries

5

Damage

$55 million

• Hurricane and Flash Flooding in Delaware, September 16 to 17, 19992 deaths · 2 injured · $8.4 million · 57 kt wind · 9 eventsHurricane Floyd battered Delaware (especially New Castle County) on September 16th and brought with it torrential rains and damaging winds.
• Coastal Flood and High Wind in Delaware, November 11 to 14, 2009$45 million · 52 kt wind · 6 eventsA powerful nor'easter produced wind gusts nearly as high as 60 mph, widespread moderate tidal flooding, heavy rain and severe beach erosion along the Delaware coast from November 12th through the 14th. Preliminary damage was estimated at 45 million dollars.
• Coastal Flood and High Wind in Delaware, February 4 to 9, 19985 injured · $1.7 million · 70 kt wind · 8 eventsThe strongest northeaster of the winter battered Kent and Sussex Counties with damaging winds, severe coastal flooding, extensive beach erosion, several dune breaches and heavy rain. A state of emergency was declared for all or parts of Sussex County from 7 a.m.
• Flooding and Coastal Flood in Delaware, October 28 to 30, 2012$5.5 million · 58 kt wind · 14 eventsPost Tropical Storm Sandy caused an estimated $5.5 million dollars of damage across the three counties in Delaware. The damage estimates from the state were broken down to $2.8 million in New Castle County, $832,000 in Kent County and $1.9 million in Sussex County.
• Coastal Flood in Delaware, January 7 to 8, 1996$2.0 million · 2 events
• Flood and Coastal Flood in Delaware, September 1 to 5, 2006$850,000 · 54 kt wind · 17 eventsThe combination of the remnants of Tropical Storm Ernnesto and a large high pressure system over eastern Canada produced heavy rain and flooding, strong and in some cases damaging winds, tidal flooding and beach erosion in Delaware.
• Coastal Flood and High Wind in Delaware, January 28 to 29, 1998$1.3 million · 71 kt wind · 8 eventsAn intense northeaster pounded Kent and Sussex Counties with tidal flooding, beach erosion, strong winds and heavy rain on the 28th. Conditions were progressively worse closer to the coast in Kent and Sussex Counties. Severe coastal flooding was reported in Sussex County.
• Coastal Flood and High Wind in Delaware, May 12, 2008$210,000 · 59 kt wind · 8 eventsA potent low pressure system in the Ohio Valley during the early morning hours of May 11th moved eastward and gradually weakened.
• Coastal Flood and High Wind in Delaware, March 6 to 7, 2013$200,000 · 62 kt wind · 7 eventsAn intense nor'easter brought strong to high northeast winds across Delaware on the 6th as well as minor to moderate tidal flooding in central and lower Delaware Bay. The coastal flooding caused a new breach along Delaware State Route 1 and flooded other roadways.
• Coastal Flood in Delaware, April 16 to 17, 2011$100,000 · 1 eventThe strong southeast wind up the Delaware Bay and River combined with the already high astronomical tides associated with the full moon and fresh water runoff from heavy rain to produce severe tidal flooding along the Delaware River and tidal sections of its tributaries during…
• Coastal Flood and Rip Current in Delaware, August 29 to 31, 19994 injured · 2 eventsThe combination of swells from Hurricane Dennis and a stiff northeast flow caused by a strong high pressure system building over New England produced rip currents and minor tidal flooding the last couple of days in August.
• Coastal Flood and High Wind in Delaware, October 2 to 4, 2015$25,000 · 54 kt wind · 7 eventsA persistent onshore flow caused periods of heavy rain, strong to high winds, beach erosion, and moderate tidal flooding to occur across Delaware from the 1st through the 4th. Strong winds and minor tidal flooding started with the daytime high tide cycle on the 1st.
• Coastal Flood and High Wind in Delaware, January 23, 20172 injured · $40 · 55 kt wind · 8 eventsAn area of low pressure over North Carolina on the 23rd strengthened and moved northeast to a location just off the New Jersey Coastline on the morning of the 24th. With a very tight pressure gradient, winds increased ahead of the storm reaching in excess of 50 mph.
• Coastal Flood and Strong Wind in Delaware, December 19, 2009$25,000 · 4 eventsIn addition to the heavy snow, the nor'easter produced strong gusty northeast winds along the Delaware coast from the early morning into the early evening of the 19th.
• Coastal Flood and Strong Wind in Delaware, October 29, 2011$20,000 · 5 eventsThe same low pressure system that brought snow to northern Delaware, caused strong winds in central and southern Delaware and minor to moderate coastal flooding along the Atlantic Coast and lower Delaware Bay on the 29th.
• Flood and Coastal Flood in Delaware, December 21, 2012$15,000 · 52 kt wind · 6 eventsA deep low pressure system tracked across the Lower Great Lakes northeastward into the St. Lawrence Valley from the evening of the 20th into the daytime of the 21st.
• Coastal Flood in Delaware, September 9 to 10, 20188 eventsA persistent onshore flow and unusually high astronomical tides associated with the new moon resulted in widespread moderate coastal flooding along the bays and other tidal waterways in Delaware.
• Coastal Flood and High Surf in Delaware, November 22 to 23, 2006$10,000 · 7 eventsA northeaster brought heavy rain, strong winds, rough surf and tidal flooding to Delaware on the 22nd and 23rd (Thanksgiving Day) and hit Sussex County the hardest. The rain and strong winds arrived together, just before sunrise on the 22nd.
• Coastal Flood and Heavy Rain in Delaware, October 6 to 7, 2006$10,000 · 7 eventsA northeaster brought tidal flooding, heavy rain, strong winds and beach erosion to central and southern Delaware.
• Coastal Flood and Strong Wind in Delaware, November 7 to 9, 19976 eventsA slow moving nor'easter caused strong winds, heavy rain, beach erosion and widespread, but minor, tidal flooding from mid-day on the 7th through the morning of the 9th.
• Coastal Flood and High Wind in Delaware, March 2 to 4, 201857 kt wind · 6 eventsA cold front stalled north of the region on March 1st. Meanwhile, a wave of low pressure developed along this front in the Ohio Valley and move eastward, explosively deepening just Southeast of Long Island on March 2nd.
• Coastal Flood in Delaware, October 10 to 11, 20196 eventsSlow moving low pressure centered well off the coasts of New Jersey and Delaware produced coastal flooding during several consecutive high tide cycles from October 9 through October 12.
• Flash Flood and Coastal Flood in Delaware, February 23 to 24, 19985 eventsAnother northeaster brought heavy rain and strong winds to Delaware on the 23rd and 24th. The onshore flow also brought some minor tidal flooding during the time of high tide the morning of the 24th.
• Coastal Flood and High Wind in Delaware, October 27, 201854 kt wind · 5 eventsStrong low pressure moved northward along the coasts of Delaware and New Jersey on October 27. The system brought moderate coastal flooding and high winds to central and southern Delaware during the morning and early afternoon hours.
• Coastal Flood in Delaware, January 31, 20064 eventsThe combination of spring tides coming off the recent new moon and a rapidly intensifying low pressure system that passed east of Delaware on the 31st produced a strong onshore flow and widespread minor tidal flooding during the daytime high tide along the ocean shore as well as…

Coastal Flood everywhereEvery kind of event in Delaware

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.