Forecasters say the monster storm will turn away from the eastern U.S. and won’t make landfall. But they predict it will churn up dangerous rip currents.

Lifeguards and fire rescue crews in Hollywood Beach are on alert as red warning flags and safety signs go up, urging visitors to avoid the water altogether.

Erin’s surf and storm surge could cause erosion along sections of the Florida and East Coast and shapes up as potentially worse for North Carolina’s barrier islands, which are under mandatory evacuation orders ahead of the four feet of storm surge and 20-foot offshore waves Erin is expected to bring.