For the second time this year, a visitor to the Point Reyes National Seashore was swept out to sea in the strong undertow and rip currents off Great Beach.

Saturday was an unusually hot afternoon, with temperatures breaking 80 degrees, and a man who ventured into the water with his friends never emerged. High surf and wind-driven chop at the southern end of the beach, where the tide was high, knocked them all down.

Jeremy…