Low Tide, Humbolt Bay, Arcata, CA September 25, 2017 September 25, 2017 / By Herb Lingl / Aerial Photographs, Aerial Photography This aerial photograph shows wetland drainage channels at low tide at Humbolt Bay, Arcata, California. Humbolt Bay is California's second largest enclosed bay. It's home to over 200 bird species; its marshes support hundreds of thousands of migrating birds. Image ID: AHLV4053 ©aerialarchives.com License this photograph or purchase a print.