US NOAA update

August-September 2020

9 charts have been updated in the GeoGarage platform

(NOAA update September 29th, 2020)

Today 1024 NOAA raster charts (2147 including sub-charts) are included in the GeoGarage platform (see PDFs files)

  • 11363 ed47 80000 Chandeleur and Breton Sounds
  • 11485 ed39 40000 Intracoastal Waterway Tolmato River to Palm Shores
  • 12280 ed12 200000 Chesapeake Bay
  • 12343 ed21 40000 Hudson River New York to Wappinger Creek
  • 13283 ed24 20000 Portsmouth Harbor Cape Neddick Harbor to Isles of Shoals; Portsmouth Harbor
  • 12273 ed61 80000 Chesapeake Bay Sandy Point to Susquehanna River
  • 14901 ed18 500000 Lake Michigan (Mercator Projection)
  • 14905 ed34 120000 Waukegan to South Haven;Michigan City;Burns International Harbor;New Buffalo
  • 14927 ed27 60000 Chicago Lake Front;Gary Harbor

These updates are automatically viewable on universal mobile applications :

Note : NOAA updates their nautical charts with corrections published in:
While information provided by this Web site is intended to provide updated nautical charts, it must not be used as a substitute for the United States Coast Guard, National Geospatial-Intelligence Agency, or Canadian Coast Guard Notice to Mariner publications

Submitting voluntary information : NOAA's Nautical Discrepancy Reporting System

Please visit the NOAA's chart update service for more info or the online chart catalog
  • U.S. Coast Guard Local Notices to Mariners (LNMs),
  • National Geospatial-Intelligence Agency Notices to Mariners (NMs), and
  • Canadian Coast Guard Notices to Mariners (CNMs)