NOAA will use these hydrographic surveys, which measure ocean depths and search for dangers to navigation, to update nautical charts for Alaska's waters. ADVERTISEMENT ...

The National Oceanic and Atmospheric Administration (NOAA) has launched a program to update some of its nautical charts, thanks largely to climate change. The revisions affect Alaska’s coast ...

The Fairweather will take depth measurements, among other data, so that NOAA cartographers can update their charts ... as a “crucial step” for Alaska nautical routes.

KETCHIKAN, Alaska - They're detailed, free, and much better than a road map for recreational boaters wanting to determine their location while underway. They're called "BookletCharts," and they're ...