Arcata Bay
Bay in California · 9,112 acres · near Eureka
Arcata Bay has 2 boat ramps listed as public.
Channel depths in feet from the Army Corps' surveys of May 20, 2026. Not for navigation.
Channel surveys
- Humboldt Bay
Condition survey of May 20, 2026 by the San Francisco District. Least depth in the channel (Eureka Channel): 3.8 ft below mean lower low water (MLLW); project depth 26 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
Launches
- Highway 255 Bridge Boat Ramp · Boat ramp · near Eureka · free
- Mad River Slough Boat Launch · Boat ramp · near Eureka
Community
Where people who fish, boat and paddle Arcata Bay talk about it. Lake associations, clubs and local groups will be added as we find them.