Nautical Ninja
Browse nautical charts from anywhere
A chart viewer built on official NOAA ENC vector charts. It shows your GPS position in real time and overlays OpenSeaMap community data. It also carries the full NOAA Coast Pilot database: over 14,000 cruising notes, anchorage descriptions, and hazard warnings covering the entire US coastline. No account needed.
Official US vector charts with depths, hazards, and aids to navigation.
Your position is plotted live, and the chart follows as you move.
Community-sourced marinas, fuel docks, and points of interest.
14,000+ NOAA cruising notes searchable by location and category.
Walk your route at home before you go. Check depths, find anchorages, and read the cruising notes.
Read what other sailors have said about a bay, inlet, or marina before you commit to entering.
Browse any coastline, zoom into channels, and explore places you'd like to sail someday.
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