The Humboldt Bay entrance channel is marked by north and south jetties. (U.S. Coast Guard file photo by Chief Petty Officer Brandyn Hill) MCKINLEYVILLE, Calif. — An off-duty Coast Guard civilian employee rescued a man near the Humboldt Bay north jetty Thursday, after seeing a man treading water in the high surf and strong current. A bystander called Coast Guard Sector Humboldt Bay watchstanders via...