The primary concern for Southern California is the large ocean swells generated by Hurricane Rachel. While the storm is expected to remain offshore, these swells can lead to dangerous surf conditions at beaches, posing risks to swimmers and surfers. For coastal communities in Baja California, the threat is more immediate, with dangerous surf and life-threatening rip currents already in effect. Furthermore, the developing system behind Rachel could bring significant rainfall to Mexico's western coast, potentially causing localized flooding and disrupting travel and daily life from Acapulco to Puerto Vallarta. Residents and visitors in these affected areas must stay informed about weather alerts and advisories.