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Coastal Flood Advisory

Status

Event Extended (Time) Active alert

Start Time

Wed 10/21/2026 09:58 PM EDT

End Time

Thu 10/22/2026 10:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Silver Ridge, NJ ∙ Greenwood, DE ∙ Mystic Island, NJ ∙ Leisure Village, NJ ∙ Long Neck, DE ∙ Delmar, DE ∙ West Creek, NJ ∙ Barnegat Light, NJ ∙ Pine Lake Park, NJ ∙ Mantoloking, NJ

Full Alert Message

Coastal Hazard Message National Weather Service Mount Holly NJ 958 PM EDT Wed Oct 21 2026 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY... * WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...In Delaware, Inland Sussex and Delaware Beaches. In New Jersey, Ocean and Coastal Ocean. * WHEN...Until 10 AM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Greatest impacts will be in the back bays. Lingering spotty minor tidal flooding is possible with Thursday evening's high tide cycles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge. && Time of high total tides are approximate to the nearest hour. Delaware Bay at Lewes MLLW Categories - Minor 6.0 ft, Moderate 7.0 ft, Major 8.0 ft MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 22/06 AM 6.3 1.7 2.3 Minor 22/06 PM 6.2 1.5 1.9 Minor 23/07 AM 5.9 1.2 1.5 None 23/07 PM 5.8 1.2 1.4 None 24/07 AM 5.7 1.0 1.0 None Barnegat Bay at Barnegat Light MLLW Categories - Minor 3.5 ft, Moderate 4.5 ft, Major 5.5 ft MHHW Categories - Minor 1.0 ft, Moderate 2.0 ft, Major 3.0 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 22/05 AM 4.0 1.5 1.7 Minor 22/05 PM 3.7 1.2 1.3 Minor 23/05 AM 3.5 1.0 1.1 Minor 23/06 PM 3.4 0.9 0.9 None 24/06 AM 3.3 0.8 0.6 None 24/07 PM 2.8 0.3 0.3 None

Technical Header

DEZ003-004-NJZ020-026-221400- /O.EXT.KPHI.CF.Y.0025.000000T0000Z-261022T1400Z/ Inland Sussex-Delaware Beaches-Ocean-Coastal Ocean- 958 PM EDT Wed Oct 21 2026