Long Island Storm Alert: Heavy Rain, High Winds, and Coastal Flooding Expected This Weekend

As the National Weather Service (NWS) tracks a developing coastal storm, Long Island is bracing for heavy rain, gusty winds, and potential flooding beginning Sunday and continuing into Monday. According to the NWS briefing issued Friday morning, damaging winds and widespread coastal flooding are expected along the south shore, particularly in back bays and low-lying areas.

“Damaging winds are possible across eastern portions of NYC and Long Island Sunday into Sunday night,” the NWS New York office reports. “Widespread minor to moderate coastal flooding is likely for the entire coastline during times of high tide.”

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

Source: National Weather Service, New York, NY (weather.gov/nyc)

What to Expect

  • Winds: Northeast winds of 25–35 mph, with gusts up to 60 mph along coastal areas.
  • Rainfall: 1.5–3 inches expected, with the heaviest rain near the coast.
  • Flooding: Back bay and street flooding possible during high tides Sunday into Monday.
  • Coastal Conditions: 8–12 ft waves and beach erosion are likely.

These conditions could lead to power outages, property damage, and water accumulation around driveways, patios, and basements — especially for homes with older drainage systems.

Source: National Weather Service, New York, NY (weather.gov/nyc)

How to Prepare Your Property

With storm impacts expected across Nassau and Suffolk counties, it’s critical to act before the weather turns.
Here’s how Genstar recommends getting ready:

✅ Inspect and Clear Drains: Make sure yard drains, scuppers, and gutters are free of debris.
✅ Check Grading: Ensure your property slopes away from the home to prevent water intrusion.
✅ Seal Cracks: Inspect patios, steps, and retaining walls for joints or cracks where water could seep in.
✅ Secure Outdoor Items: Heavy winds can turn furniture and umbrellas into hazards.
✅ Schedule a Waterproofing Inspection: Our team can identify and address vulnerabilities before they lead to flooding or structural issues.

How Genstar Masonry Can Help

Genstar specializes in drainage, waterproofing, and masonry repair solutions designed for Long Island’s unique coastal environment. Our storm-preparedness services include French drains, channel drains, and regrading as well as foundation and patio waterproofing.

Whether you need urgent help after the storm or preventive work before the next one, Genstar is ready to respond.

Stay Safe, Stay Dry, and Act Now

With strong winds and flooding expected, this weekend’s storm is a reminder that preparation pays off.
Protect your investment — and your peace of mind — by calling Genstar today.

📍 Serving Nassau & Suffolk Counties
📱 Call or Text 516-902-0869
🔗 genstarmasonry.com/contact
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