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 depth at any location
Save placemarks with depth info
Measure distances between points
Organize your saved locations
View land elevation data
Record GPS tracks
Manage saved tracks
Depth legend for reference
Customize settings and sync
View fishing restriction zones
Available on iOS and Android
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.
GPS Tracks
Record your routes with GPS tracking. Export as GPX files and sync across devices with iCloud.
Fishing Zones
View 87 fishing restriction zones from Hawaii DLNR with color-coded overlays. Tap any zone for details.
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.
The app displays 87 official fishing restriction zones from Hawaii DLNR across all islands. These include Marine Life Conservation Districts (MLCDs), Fisheries Management Areas (FMAs), Fish Replenishment Areas, and more. Tap any zone on the map to see its name, type, and specific restrictions. Toggle zones on/off per island in Settings.
Hawaii Ocean Map is available on iPhone, iPad (iOS 17.0+), and Android devices (Android 8.0+). Optimized 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.
Built by Jorma.com, an ocean lover who also likes to build maps.