Grunion Run Schedule 2024 San Diego 2024. This schedule predicts grunion runs at cabrillo beach near the los angeles harbor entrance. I've never been, but it's been on my local.

Roughly between the hours of 9:30 pm and 1:30 am, following the nocturnal. Our natural resources staff is monitoring grunion at state beaches throughout san diego county to gain a better understanding of where grunion are spawning.