But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz ... to appear around sunrise or sunset, which is when lower ...

Sunset Dunes, the new oceanfront park on the Upper Great Highway, opens on Saturday. Photo by Junyao Yang on April 12, 2025. Sign up below to get Mission Local’s free newsletter, a daily digest of ...