Sunday update: seems like you can park cars  on most side streets near the beach as a non resident, if you want exact information the best source is the Belmar Police dept phone.

Saturday afternoon most everyone was social distancing but it does get a bit crowded walking
 

No parking on selective streets state of emergency cones going up in Belmar Today Friday.

Residents can park as normal 
Workers from the department of works in Belmar New Jersey are putting up barricades now. You can read the signage below, so I guess if you want to walk or run you better get up early! 5am to 7am the parking is available to walk the area . Covid19 update Belmar New Jersey May 1st 2020 

sign says it will be strictly enforced