Pictured Above: The National Weather Service’s map of areas of the greatest coastal flooding expected with this storm.

The East End is under a coastal flood warning in conjunction with the storm expected overnight into Monday, with “widespread moderate flooding likely” and “locally major flooding possible with the Monday afternoon high tide.”

According to the National Weather Service, “widespread flooding of up to two-and-a-half feet of inundation of vulnerable areas is expected near the waterfront and shoreline,” “numerous road closures are likely and vehicles parked in vulnerable areas near the waterfront will likely become flooded. Flooding will also extend inland from the waterfront along tidal rivers and bays. South facing shorelines of the North Fork and areas around the entrance to Peconic River will be the most susceptible.”

The National Weather Service is predicting the peak surge of three-and-a-half to five feet will be between the high tide cycles Monday morning, and “the timing of a windshift late Monday morning into early Monday afternoon will be critical to the potential for major flood thresholds to be reached or exceeded. Residents of vulnerable coastal locales should prepare for the potential of major flooding late Monday morning into Monday afternoon.” Heavy rainfall is also expected to exacerbate the flooding.

Here are the times of high tide across the East End for today and tomorrow:

December 17
Plum Gut Harbor: 12:40 a.m., 12:59 p.m.
Montauk Harbor: 12:07 p.m.
Greenport: 1:17 a.m., 1:36 p.m.
Mattituck Inlet: 2:14 a.m., 2:32 p.m.
Sag Harbor: 1:12 a.m., 1:31 p.m.
New Suffolk: 2:39 a.m., 2:58 p.m.
South Jamesport: 2:46 a.m., 3:05 p.m.
Shinn. Bay Entrance: 12:15 p.m.
Shinn. Inlet: 10:22 a.m., 11:03 p.m.

December 18
Plum Gut Harbor: 1:39 a.m., 1:58 p.m.
Montauk Harbor: 12:47 a.m., 1:06 p.m.
Greenport: 2:16 a.m., 2:35 p.m.
Mattituck Inlet: 3:11 a.m., 3:32 p.m.
Sag Harbor: 2:11 a.m., 2:30 p.m.
New Suffolk: 3:38 a.m., 3:57 p.m.
South Jamesport: 3:45 a.m., 4:04 p.m.
Shinn. Bay Entrance: 12:54 a.m., 1:11 p.m.
Shinn. Inlet: 11:20 a.m.

The Coastal Flood Warning will be in effect from 11 p.m. Sunday to 6 p.m. Monday.

The region is also under a High Wind Warning from midnight Sunday through Noon on Monday, with southeast winds of 25 to 35 miles per hour, gusting to 60 miles per hour possible. “Widespread power outages are expected,” according to the National Weather Service.

We will update this post with more information as it becomes available.

The National Weather Services map of areas of the greatest coastal flooding expected with this storm.
The National Weather Service’s map of areas of the greatest coastal flooding expected with this storm.
Beth Young
Beth Young is an award-winning local journalist who has been covering the East End since the 1990s. She began her career at the Sag Harbor Express and, after receiving her Masters from the Columbia University Graduate School of Journalism, has reported for the Southampton Press, the East Hampton Press and the Times/Review Media Group. She founded the East End Beacon website in 2013, and a print edition in 2017. Beth was born and raised on the North Fork. In her spare time, she tinkers with bicycles, tries not to drown in the Peconic Bay and hopes to grow the perfect tomato. You can send her a message at editor@eastendbeacon.com

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