Hawaii Ocean Map

10+
Downloads
Content rating
Everyone
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About this app

Hawaii Ocean Map brings professional-grade seafloor mapping to your Android device. Explore the depths around the Hawaiian Islands with NOAA's high-resolution bathymetry data—all available offline, with no subscription required.

PROFESSIONAL DEPTH DATA
Access detailed ocean floor topography derived from NOAA's Continuously Updated Digital Elevation Model (CUDEM) at approximately 3-meter resolution. Find underwater features including reefs, ledges, channels, and drop-offs with precision.

WORKS OFFLINE
Download maps before you head out. Whether you're miles offshore or in areas with no cell coverage, your depth data is always available. Perfect for ocean adventures beyond the reach of cellular networks.

INSTANT DEPTH QUERIES
Tap anywhere on the map to instantly see the water depth at that location. Plan routes, identify fishing spots, or explore underwater terrain with a simple touch.

GPS TRACKS
Record your path as you travel. Start tracking to capture your route with timestamps, then save tracks for future reference. Review past trips, retrace productive routes, or share your adventures.

SAVE LOCATIONS
Mark and save your favorite spots with custom placemarks. Add names, notes, and organize your locations for quick reference on future trips.

MEASURE DISTANCES
Use the built-in measurement tool to calculate distances between any two points on the map.

CLOUD SYNC
Sign in with Google to sync your placemarks across devices. Your saved locations are backed up and accessible wherever you go.

FULL ISLAND COVERAGE
Complete bathymetry coverage for all major Hawaiian Islands—Oahu, Maui, Big Island, Kauai, Molokai, Lanai, and surrounding waters.

NO SUBSCRIPTIONS
One purchase, lifetime access. No recurring fees, no in-app purchases, no ads.

Ideal for boaters, fishermen, divers, snorkelers, kayakers, and anyone who wants to understand what lies beneath Hawaii's beautiful waters.
Updated on
Jan 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info, and App activity
Data is encrypted in transit
You can request that data be deleted

What’s new

Improvements:
• Enhanced GPS track recording with clear background location disclosure
• Performance optimization for Android 15+ devices

App support

About the developer
Jorma Leonard Rodieck
support@hawaiiocean.app
1667 S Kihei Rd Unit i-9 Kihei, HI 96753-8000 United States