Wasn't 100% sure about the dates as the articles (if you can call them that) might've been posted the day *after* the pics were taken, but I thought it'd be helpful to include them.
https://www.dailymail.co.uk/tvshowbiz/article-6194327/Colin-Jost-strips-surfing-shakes-low-Emmys-viewing-figures.html
https://www.dailymail.co.uk/tvshowbiz/article-8466973/Colin-Jost-models-buff-torso-seen-surfing-coast-Hamptons.html