Here's the posting from the City of New York about tomorrow's storm.
From NYC.gov : Emergency Preparedness, Notifications and Alerts
The National Weather Services has issued a Coastal Flood Watch and a Wind Advisory for New York City beginning on Sunday, April 15. A large storm is headed toward the city, and may cause dangerous winds, heavy precipitation, and flooding.
New Yorkers should prepare their homes and cars before the storm hits, and remember their neighbors with special needs who may require extra support.
Read the press release
Learn more about nor'easters