While his beloved Jersey Shore was battening down the hatches in anticipation of Hurricane Sandy, Pauly D provided the soundtrack to a hot girl-on-girl makeout session in Vegas this weekend.

Pauly was behind the turntables during the Rehab party at the Hard Rock Hotel & Casino on Sunday -- far away from the destruction on the East Coast.

According to Pauly, Snooki's porch was destroyed in the hurricane ... along with several buildings along the boardwalk.

Pauly tweeted about the disaster last night -- "Thinking of everyone on the east coast stay safe through this horrible time #hurricanesandy."

Thanks to our friends at SpyOnVegas.com for the pic.