Mariner GPS is a lightweight, offline-first tool designed for seafarers providing:
⢠Live GPS with precise coordinates display.
⢠Course & Bearing
See your Course Over Ground (COG) and smoothed bearing in degrees, filtered to eliminate jitter.
⢠Smoothed Speed
Raw GPS speed can jump wildly; our exponential smoothing algorithm delivers a rock-steady readout.
⢠Sunrise & Sunset Times
Instant access to todayās sunrise and sunset at your locationāno extra downloads or data usage.
⢠Auto-logging of GPS position and timestamps (local + GMT)
⢠Map view showing your vesselās heading
⢠Offline
No internet connection required. Works even in airplane mode.
Simple. Reliable. Nautical.
Offline GPS utility with speed, bearing, COG, sunrise/sunset & logging with map.