High-Resolution Ocean Maps for Hawaiian Waters
Built specifically for Hawaiian fishermen, divers, boaters, and ocean enthusiasts who need accurate depth charts and seafloor topography. Access the highest-quality bathymetry data available.
Query exact depth at any location
Save placemarks for favorite spots
Organize and manage your placemarks by category
Measure distances between points
Download maps for offline use and sync via iCloud
Explore high-resolution underwater terrain near shore
Coming soon to the iOS App Store
Features
🗺️ High Res
3-meter NOAA CUDEM data provides amazing detail of the seafloor around all Hawaiian Islands.
📱 Offline Maps
Download maps for offline use. Perfect for when you're out on the water with limited connectivity.
📍 Depth Queries
Tap anywhere on the map to query exact depth at any location with precision accuracy.
📌 Placemarks
Save, sync, and organize your favorite fishing spots, dive locations, and points of interest.
📏 Measurements
Measure distances between points in nautical miles, kilometers, or statute miles.
📤 Export/Share
Export placemarks to GeoJSON or CSV formats and share with friends or other apps.
Frequently Asked Questions
Yes! Download maps for your fishing areas while you have WiFi, then use them offshore with no internet connection. Perfect for when you're miles from shore.
$9.99 one-time purchase. No subscriptions, no ads, no in-app purchases. Pay once and own it forever.
All Hawaiian Islands are covered with high-resolution 3-meter NOAA CUDEM data, including Oahu, Maui, Big Island, Kauai, Molokai, Lanai, and Niihau.
Hawaii Ocean Map requires iOS 17.0 or later and works on iPhone and iPad. Optimized for the latest devices with support for all screen sizes.
We use NOAA's Continuously Updated Digital Elevation Model (CUDEM), the highest-quality publicly available bathymetry data for Hawaiian waters. This is the same data used by professional marine researchers and NOAA itself.