If these before and after Labor Day shots are any indication, the South Fork's beaches and other hot spots are about to look dramatically different.

Credit: Doug Kuntz

Downtown Montauk on Sunday, Sept. 6, 2015, day before Labor Day.

Credit: Doug Kuntz

Downtown Montauk on Tuesday, Sept. 8, 2015, day after Labor Day.

Credit: Doug Kuntz

Downtown Montauk on Sunday, Sept. 6, 2015

Credit: Doug Kuntz

Downtown Montauk on Tuesday, Sept. 8, 2015

Credit: Doug Kuntz

Looking east from Shinnecock Inlet on Sunday, Sept. 6, 2015.

Credit: Doug Kuntz

Looking east from Shinnecock Inlet on Tuesday, Sept. 8, 2015.

Credit: Doug Kuntz

Looking east toward the East Deck Motel overlooking Ditch Plains Beach in Montauk on Sunday, Sept. 6, 2015.

Credit: Doug Kuntz

Looking east toward the East Deck Motel overlooking Ditch Plains Beach in Montauk on Tuesday, Sept. 8, 2015.

Credit: Doug Kuntz

Patrons fill the second-floor deck of The Sloppy Tuna in downtown Montauk on Labor Day weekend, Sunday, Sept. 6, 2015.

Credit: Doug Kuntz

The Sloppy Tuna in downtown Montauk on Tuesday, Sept. 8, 2015.

Credit: Doug Kuntz

The beach at Napeague in Amagansett on Sunday, Sept. 6, 2015.

Credit: Doug Kuntz

The beach at Napeague in Amagansett on Tuesday, Sept. 8, 2015.

Credit: John Roca

Coopers Beach in Southampton attracted a crowd on Sunday, Sept. 6, 2015.

Credit: John Roca

Coopers Beach in Southampton was less crowded on Tuesday, Sept. 8, 2015.

Credit: John Roca

People walk along Main Street in Southampton on Sunday, Sept. 6, 2015.

Credit: John Roca

Main Street in Southampton is quiet on Tuesday, Sept. 8, 2015.

Credit: John Roca

Sunset Beach restaurant on Shelter Island is jammed with people on Sunday, Sept. 6, 2015.

Credit: John Roca

Sunset Beach restaurant on Shelter Island is empty on Tuesday, Sept. 8, 2015.

Credit: John Roca

Sunset Beach restaurant on Shelter Island is jammed with people on Sunday, Sept. 6, 2015.

Credit: John Roca

Sunset Beach restaurant on Shelter Island is empty on Tuesday, Sept. 8, 2015.

Credit: John Roca

People stroll along the Sag Harbor Wharf outside Big Olaf ice-cream parlor on Sunday, Sept. 6, 2015.

Credit: John Roca

The Sag Harbor Wharf is quiet on Tuesday, Sept. 8, 2015.

Credit: John Roca

The parking lot and street outside Coopers Beach in Southampton is full of cars on Sunday, Sept. 6, 2015.

Credit: John Roca

The parking lot and street outside Coopers Beach in Southampton is empty on Tuesday, Sept. 8, 2015.

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