i-Boating: USA Marine Charts

About this app

This App offers access to NOAA marine vector charts, freshwater lake maps, USACE inland river maps (HD/1ft/3ft bathymetry included where available). First marine GPS app to have route assistance with Voice Prompts for marine navigation. You can create new boating routes or import existing GPX/KML routes. It supports Nautical Charts course up orientation. Includes Tide & Currents prediction. ►FEATURES √ Beautiful and detailed Hardware/GPU accelerated vector charts (text stays upright on rotation) √ Long press to query the details of Marine object (Buoy, Lights, Obstruction etc). √ Customizable depth(Ft/Fathom/Meter) and distance units (km/mi/NM) √ Customizable Shallow Depth. √ Record tracks, Autofollow with real-time track overlay & predicted path vector. √ Voice Prompts for marine navigation (requires GPS ) √ 1ft / 3ft depth contour maps for anglers for selected lake maps. √ Supports GPX/KML for boating route editing/import. √ Tide & Currents prediction. √ Seamless chart quilting of marine charts √ Enter or import Waypoints. ► MAPS The maps include coverage of all NOAA marine vector charts (ENC), USACE inland river maps, and freshwater lake maps for more than 7K lakes. The charts include HD/1ft/3ft bathymetry where available. The app also includes NOAA raster charts for some areas where NOAA ENC coverage is not available. It includes unlimited updates for 1 year. ►ROUTE MANAGEMENT / TRIP PLANNING √ Create New Route/Edit Existing Routes √ Move Points √ Add points to an existing route leg √ Delete / Rename points √ Import GPX, KML & KMZ files √ Plot/Edit Routes √ Enter Waypoints √ Share/Export Routes, Tracks & Markers √ Reverse Routes ►GPS FEATURES √ Auto Follow * Real Time Track Overlay * Predicted Path Vector * Course Up (Text stays upright) * Speed & Heading √ Route Assistance With Voice Prompts * Prompts when approaching a boating route marker * Continous distance and ETA updates * Alerts when sailing/boating off route * Alerts when boating in wrong direction √ Record Tracks ►TIDE & CURRENTS * For US, Canada, UK, Germany & New Zealand * High/Low Tides * Tidal Current Prediction * Active Current Stations ► SHARING * Share tracks/routes/markers on Facebook & Twitter * Export tracks/routes/markers as compressed GPX files. Sample Nautical Charts (please visit http://gpsnauticalcharts.com/main/folio-catalog-nautical-charts-app for complete list) SUGARLOAF KEY-KEY WEST PORT RICHEY TAMPA BAY - CLEARWATER HBR EAST BAY-WEST BAY FLORIDA ST JOSEPH, ST ANDREW BAYS INTRACOASTAL WATERWAY MATECUMBE-GRASSY KEY CHESAPEAKE BAY CAPE CHARLES-NORFOLK HARBOR ANCLOTE KEYS-CRYSTAL RIVER ST JOSEPH SOUND MIAMI HARBOR Minnesota lakes - Kabetogama, Minnetonka, Waconia,Leech,Mille Lacs Lake Keowee,Jocassee,Hartwell,Greenwood,Lake Murray Mark Twain,Ozarks,Table Rock Lake St. Clair Lake Kentucky KEY WEST-THE MISSISSIPPI RIVER SAN PEDRO CHANNEL LAKE MICHIGAN STONY LAKE-POINT BETSIE APALACHICOLA BAY-CAPE SAN BLAS EAST CAPE-MORMON KEY CAPE HENLOPEN-INDIAN RIVER INLET CHESAPEAKE BAY CAPE HENRY-THIMBLE SHOAL LIGHT DULUTH-SUPERIOR HARBOR MONHEGAN ISLAND-CAPE ELIZABETH LAKE ONTARIO - CLAYTON-FALSE DUCKS ISL Lake Winnipesaukee SAN FRANCISCO ENTRANCE MIAMI-MARATHON, FLORIDA BAY CAPE MAY-FENWICK ISLAND MISSISSIPPI RIVER-GALVESTON CAPE CANAVERAL-KEY WEST DELAWARE RIVER WILMINGTON-PHILADELPHIA FLORIDA KEYS SOMBRERO KEY-SAND KEY SAN PABLO BAY RAINY LAKE BIG ISLAND MINN-OAKPOINT ISL ONT INTRACOASTAL WATERWAY - BISCAYNE BAY EVERGLADES NTL PARK - SHARK RVR-LOSTMANS RVR MIAMI-MARATHON & FLORIDA BAY BLACKBURN BAY LAKE HURON LAKE TAHOE STRAITS OF MACKINAC NORFOLK HARBOR & ELIZABETH RIVER SAN DIEGO-SANTA ROSA ISLAND DELAWARE BAY CHOPTANK RIVER CAMBRIDGE-GREENSBORO FORT LAUDERDALE PORT EVERGLADES ST SIMONS SOUND-TOLOMATO RIVER CHESAPEAKE DELAWARE CANAL PLEASE NOTE: Continued use of GPS running in the background can dramatically decrease battery life.

- Temporal Wind Prediction Overlay - Magnetic Bearing - New lakes covering Michigan, Minnesota, Florida - Compiled with latest version of Xcode

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 16, 2026 · 4:53 PM $29.99