Some museum galleries downplay local artists, but not Guild Hall in East Hampton. Now in its 73rd year, its Clothesline Art Sale will host the work of 400 artists — most of them residents of the East End — on Saturday. Open with free admission from 9 a.m. to 4 p.m., visitors can purchase paintings, drawings, collage, and small sculptures as well as jewelry and furniture in a Makers Market, in the Cheryl and Michael Minikes Garden.

The whale was towed to a beach in Montauk where the Atlantic Marine Conservation Society will perform a necropsy.

Chefs such as Claudia Fleming, Jason Weiner, Christian Mir, Alex Guarnaschelli, and others will come together on Sunday to fete Jon Snow, a founder of the Hayground School and its summer camp, who has run the garden there and helped connect it to cooking as a central component of the Hayground curriculum.

Sunshine is in the weather forecast for Saturday, just in time for the annual Ladies Village Improvement Society fair. Always held on the last Saturday in July, 2019 marks the L.V.I.S.’s 123rd year putting on the fair. It happens from 10 a.m. to 4 p.m. at 95 Main Street in East Hampton Village.

Concerned Citizens of Montauk has warned people to avoid contact with the water in Fort Pond after samples taken at two sites on the pond earlier this week showed a certified harmful blue-green algal bloom, which can post a threat to human and animal health.

Neil deGrasse Tyson, the decorated astrophysicist, author, and host of television shows and podcasts, has been credited with sparking public interest in science — and keeping people’s attention on it — over the last few decades. He will speak at the Spur in East Hampton Friday night.

Visitors to the Montauk Lighthouse may not notice it yet, but a tower restoration expected to cost just shy of $1.1 million is in its early stages this summer, as the Montauk Historical Society committee that oversees the national historic landmark works to raise the money to complete the project by 2021.

The newly restored Dominy family woodworking and clock shops will return to their original site on North Main Street soon after Labor Day, said Robert Hefner, East Hampton Village’s director of historic services, who is supervising their restoration, as well as the reconstruction of the Dominys’ timber-frame house, which will serve as an adjacent exhibition space.