A sluggish but potent nor'easter is lingering over the Northeast Monday after submerging communities from North Carolina to New England while knocking out power to well over 100,000 customers.

Some rain and windy conditions will continue, as well minor coastal flooding during high tides. The early-season storm comes amid the highest king tides of the month for the East Coast.

A state of emergency was declared in New Jersey, southern New York and in multiple local communities across the Northeast ahead of the storm.

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(FORECAST DETAILS: Nor'easter to hammer New England through Monday)

Strong winds turn deadly

The New York City Housing Authority said one of its employees was killed by a fallen tree in Brooklyn as the storm pelted the city with rain and strong winds.

ABC7NY reports that the 56-year-old man was walking in a parking lot when the tree came crashing down.

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"We are deeply saddened by this tragic loss and extend our heartfelt condolences to his family and the NYCHA community," the statement from the NYCHA said.

Four other people were injured by another falling tree in Brooklyn.

Winds gusted over 35 mph at times in New York City on Saturday.

Thousands without power, more delays at airports

More than 18,000 customers were still without power early Monday morning, down from 130,000 on Sunday, according to PowerOutage.us.

The worst of the outages were in New York state, including Long Island, closest to where the storm was centered. Winds gusted as high as 81 mph on the far eastern end of Long Island at Montauk Point.

(MORE: Nor'easter surge eats away sand beneath home)

Several Northeast airports reported long delays amid the strong winds, too.

Boston's Logan International Airport was especially hard hit with delays of more than four hours Sunday morning, according to FlightAware.

More than 250 flights had been canceled there by late Sunday morning as wind gusts reached 40 mph, according to the Massachusetts Port Authority.

New Jersey's Newark and New York's LaGuardia and JFK airports each reported delays of 30 to 90 minutes due to the weather. Philadelphia also reported minor delays.

Widespread flooding

Waves crashed over seawalls and boardwalks across the Northeast as the persistent nor'easter drove Atlantic waters into communities from Massachusetts to Virginia.

Strong northeast winds brought the ocean to businesses and homes in Maryland, New Jersey and New York, where sandbags dotted storefronts and weekend festivals were canceled.

For most communities, Sunday brought the last of the highest high tides, but flooding is possible throughout the Northeast Monday.

On Saturday in New Jersey and New York, some people kayaked down flooded streets. Others went to beaches to try to surf the higher-than-usual waves. Emergency crews in Sea Bright, New Jersey, rescued a woman and her dog after their vehicle became trapped in floodwaters, ABC7 reported.

In Surf City, New Jersey, water rose inside a marina where workers had moved equipment to higher ground, and owner Kenny Formica said customers reported boats and Jet Skis missing or blown from their lifts. In Norfolk, Virginia, floodwaters left passing cars pushing wakes through some streets.

North Carolina's N.C. 12 was broken apart by coastal inundation and erosion.

The month's full moon, paired with the king tides, brought flooding as far south as northern Florida, where winds were not blowing.

(MORE: How the moon makes storm surge worse for coastal communities)

Storm to slowly move out Monday

Morning commutes in coastal areas could be tough, especially during high tide cycles, according to meteorologist Jennifer Gray.

Gusty winds will also linger through the morning hours, with wind gusts as high as 35 to 40 mph at times, especially for areas along the Jersey Shore to Long Island.

Periodic rainfall could also slow morning commutes, as the nor'easter is expected to remain fairly stationary through at least the first half of Monday before finally pushing out. Rainfall should gradually taper off from south to north throughout the day Monday.