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Get more from your charts with AI-powered explanations and route analysis.
Chart area overview: Understand the important features and conditions in the area you're viewing.
Navigation hazards: Identify hazards and things to watch out for.
Rules, depths & shoaling: Understand restrictions, charted depths, and shallow-water hazards.
Traffic & Coast Pilot: Learn about expected vessel traffic and relevant official guidance.
Route review: Analyze your route for hazards, restrictions, depths, and other potential concerns.

Official NOAA & USACE Charts: Download coastal and inland vector charts for reliable off-the-grid navigation.
100% Offline Access: Full access to chart details, tide stations, and current predictions without cellular signal.
Optimized Display Modes: High-contrast Day, Dusk, and Night modes protect night vision and readability in glare.
Custom Marine Units: Tailor display settings for depth, distance, and speed in your preferred units.

Intuitive Waypoint Editing: Tap to place, drag, or insert waypoints anywhere along your track.
Real-Time Route Data: Instant distance, bearing, and time calculations as you edit.
Smart Auto-Routing: Built-in pathfinding with Great Circle calculation support.
GPX Compatibility: Seamlessly import and export routes to sync with onboard electronics.

Instant Station Forecasts: Tap any tide or current icon directly on the chart for real-time predictions.
Visual Prediction Graphs: View flow speed, direction, and water levels in clean graph and table layouts.
Complete Metadata: Access official NOAA station information offline.

Real-Time Vessel Tracking: Turn your device into a live helm display with smooth GPS updates.
Comprehensive Telemetry: Monitor Speed Over Ground (SOG), Course Over Ground (COG), ETA, and signal quality.
Active Navigation: Track distance and bearing to your active waypoint at a glance.

NMEA Network Streaming: Connect via Wi-Fi or serial cable to integrate onboard instrument data.
Collision Awareness: Overlay surrounding AIS targets directly on your vector charts.
High-Accuracy GPS: Stream external position data directly from your boat’s GPS receiver or USB unit.

Multi-Segment Logging: Record journeys with flexible pause, resume, and segment management.
GPX Export & Import: Save logs for passage planning, archives, or sharing with crew.