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Coastal Flood Warning Issued for Coastal Areas

September 23, 2026 · wweather1 editorial · 2 min read

The National Weather Service has issued a Coastal Flood Warning, a High Surf Advisory, and a High Rip Current Risk for Coastal Atlantic, Coastal Ocean, and Atlantic Coastal Cape May. The flood warning is in effect from Wednesday afternoon through early Saturday morning.

The Coastal Flood Warning, issued by NWS Mount Holly NJ, is active from 4:00 PM EDT on Wednesday, September 23, until 2:00 AM EDT on Saturday, September 26. In addition, a High Surf Advisory is in place until 6:00 PM Saturday, and a High Rip Current Risk is in effect through Saturday evening.

Forecasters expect one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. Large breaking waves of 6 to 12 feet are anticipated in the surf zone, creating dangerous swimming and surfing conditions and localized beach erosion.

Impacts from the event include widespread roadway flooding in coastal and bayside communities and along inland tidal waterways, which will make many roads impassable. Vulnerable structures may sustain some damage, and significant beach erosion with possible dune breaching is expected. Moderate tidal flooding could persist into the weekend, with major tidal flooding impacts possible in the back bays.

Why it is dangerous and what to do

⚠️ Safety
• Do not drive your vehicle through floodwaters, as the water may be deeper than it appears.
• Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
• If caught in a rip current, relax and float, do not swim against the current, and swim parallel to the shoreline.
• Obey posted beach flags and follow all recommendations from local emergency management officials.
📊 The numbers, from wweather1 data
Atlantic City: now +20°, Clear.
That is 4° above the October climate norm.
The record for this date is +26° (1954).
Three-day forecast: 13 October: +22°/+13° · 14 October: +25°/+17° · 15 October: +20°/+14°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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