NOAA produces and maintains a suite of nautical charts that cover the coastal waters of the U.S. and its territories. NOAA's charts are available in a variety of formats, including:
  • Traditional paper charts
  • Print-on-Demand charts: up-to-date paper charts with current Notice to Mariners corrections
  • Raster Navigational ChartsĀ® (NOAA RNCs): bitmap electronic images of paper charts
  • Electronic Navigational ChartsĀ® (NOAA ENCs): vector charts that conform to international standards
  • Portable Document Format (PDF)
The US Army Corps of Engineers conduct condition surveys for Humboldt Bay at least twice per year. To view the most recent survey, click US Army Corps of Engineers at the left side of this page to go to their website. Once on the website, on the bottom left of the San Francisco map click other surveys then scroll down the page until you see Humboldt Bay and click on Hydrographic Surveys under the Humboldt Bay heading. And finally, click on the survey you would like to view.

Mariners should always contact US Coast Guard Humboldt Bay for a bar report prior to crossing the bar.
VHF Channel 16, 156.800 MHz, or call 707-443-2213

Click here to view navigation map. (PDF format)
Click here to view the Water Trails map. (PDF format)