Nor’easter threatens East End with 50 mph winds, coastal flooding

Batten down the hatches! A developing nor’easter is expected to whip up hazardous conditions around the East End, with forecasters warning of several days of strong winds, rough seas and the potential for coastal flooding, beach erosion and power outages.

The National Weather Service upgraded a Gale Watch to a Gale Warning on Tuesday for local waters, as a prolonged stretch of strong northeast and north winds begins to buffet eastern Long Island.

The threat of 50 mph wind gusts and high seas has already upended one of the North Fork’s biggest weekends. Greenport’s Maritime Festival, originally scheduled for Friday through Sunday, has been postponed until Oct. 16-18 as organizers prepare for deteriorating weather.

The Riverhead News-Review has reached out to town officials about what preparations they are making ahead of the prolonged wind event.

Forecasters are tracking an area of low pressure expected to strengthen over the western Atlantic and move northeastward off the New England coast this weekend. The exact path remains uncertain, making rainfall totals difficult to predict, but forecasters have greater confidence that strong winds will persist into the weekend.

For residents on land, that means the most certain threat at this point may be wind rather than rain. Showers become increasingly possible Friday into Saturday, but how much rain falls — and for how long — will depend largely on how close the storm tracks to Long Island, according to the National Weather Service. Saturday currently appears to be the most unsettled day, while conditions could begin improving Sunday.

The persistent onshore flow could create problems even if the storm’s center remains well offshore. Forecasters are watching for coastal flooding around high tides, beach erosion, dangerous surf and rip currents as the wind piles water toward the coast.

Several Riverhead Town events remain on the calendar as of Tuesday morning.

The Sound Stock Music + Vendor Festival is scheduled for Saturday from 10 a.m. to 5 p.m. on Sound Avenue in Riverhead. Organizers already have Sunday designated as a rain date, making the evolving forecast particularly important.

At Riverhead Raceway, Championship Saturday is scheduled for 5 p.m., followed by Championship Sunday at noon. The track has Oct. 3 and 4 reserved as weather makeup dates if necessary.

The Wading River-Shoreham Chamber Fall Festival also remains scheduled from 11 a.m. to 5 p.m. Sunday at The Shoppes at East Wind. Organizers advertise the festival as rain or shine.

The potential nor’easter would add another chapter to a year that has already delivered weather extremes across the North Fork.

A prolonged blast of arctic cold this winter caused pipes to freeze and burst across the region. Weeks later, the blizzard of 2026 buried parts of the North Fork beneath more than two feet of snow.

Summer delivered the opposite extreme. An early-July heat wave pushed expected heat-index values as high as 100 to 105 degrees along the coast, prompting Riverhead and Southold to open cooling centers.

Then came the Fourth of July storm.

A violent thunderstorm ripped across Riverhead with wind gusts reaching 84 mph, knocking down trees and wires, cutting power and leaving roads obstructed from Laurel to Wading River.

The cleanup and continuing heavy rain were severe enough that Riverhead postponed its first Alive on 25 of the summer event though better weather arrived by the event date.

This story will be updated with any additional warnings, preparations and event changes.