Active Weather Alerts
Coastal Flood Warning
Issued: 8:15 PM Aug. 20, 2025 – National Weather Service
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... * WHAT...One to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, Inland Sussex. In New Jersey, Cape May. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...At this level, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur. At this level, flooding may become severe enough to cause structural damage along with widespread roadway flooding in coastal and bayside communities, and near inland tidal waterways. Some locations may become isolated by the flood waters. * ADDITIONAL DETAILS...The greatest impacts from coastal flooding are expected with the Thursday evening high tide. Locally major flooding impacts are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Warning means that moderate or major tidal flooding is occurring or imminent. Be prepared for rising water levels and take appropriate action to protect life and property. Follow the recommendations of local emergency management officials. 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 Advanced Hydrologic Prediction Service at water.weather.gov/ahps 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 -------- --------- --------- --------- -------- 20/07 PM 6.4 1.8 1.3 Minor 21/08 AM 5.8 1.2 1.9 None 21/08 PM 8.0 3.3 2.9 Major 22/08 AM 6.4 1.8 2.4 Minor 22/09 PM 7.0 2.3 1.9 Moderate 23/09 AM 5.3 0.7 1.1 None Great Egg Harbor Bay at Ocean City MLLW Categories - Minor 5.3 ft, Moderate 6.3 ft, Major 7.3 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 -------- --------- --------- --------- -------- 20/07 PM 5.3 1.3 0.7 Minor 21/08 AM 4.7 0.7 1.3 None 21/08 PM 6.8 2.8 2.2 Moderate 22/08 AM 5.6 1.6 2.1 Minor 22/08 PM 6.0 2.0 1.5 Minor 23/09 AM 4.5 0.5 0.7 None Cape May Harbor at Cape May MLLW Categories - Minor 6.2 ft, Moderate 7.2 ft, Major 8.2 ft MHHW Categories - Minor 1.1 ft, Moderate 2.1 ft, Major 3.1 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 20/07 PM 6.6 1.5 1.0 Minor 21/07 AM 5.8 0.7 1.5 None 21/08 PM 8.0 2.9 2.4 Moderate 22/08 AM 6.9 1.8 2.3 Minor 22/08 PM 7.4 2.3 1.8 Moderate 23/09 AM 5.8 0.7 1.0 None &&
Tropical Storm Warning
Issued: 6:48 PM Aug. 20, 2025 – National Weather Service
...TROPICAL STORM WARNING REMAINS IN EFFECT... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT THURSDAY... * WHAT...For the Tropical Storm Warning, northeast winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 16 ft. For the Small Craft Advisory, east winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 ft. * WHERE...Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm and Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm. * WHEN...For the Small Craft Advisory, until 6 AM EDT Thursday. For the Tropical Storm Warning, Tropical Storm force winds possible from Thursday morning through Thursday night. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Small Craft Advisory
Issued: 6:48 PM Aug. 20, 2025 – National Weather Service
...TROPICAL STORM WARNING REMAINS IN EFFECT... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT THURSDAY... * WHAT...For the Tropical Storm Warning, northeast winds 25 to 35 kt with gusts up to 45 kt and seas 11 to 16 ft. For the Small Craft Advisory, east winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 ft. * WHERE...Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm and Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm. * WHEN...For the Small Craft Advisory, until 6 AM EDT Thursday. For the Tropical Storm Warning, Tropical Storm force winds possible from Thursday morning through Thursday night. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
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