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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 OpenCPM chart plotting
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Voyager
Master Marine Consultant

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USA
5433 Posts

Initially Posted - 01/16/2026 :  13:08:09  Show Profile  Reply with Quote
Anybody here currently using OpenCPN for their live chart plotting while sailing? I see lots of laptop installations, but there may be some issues installing it in a tablet.

I recently purchased a “motorcycle tablet display” that runs Android OS and can handle both android auto and Apple CarPlay.

I got the tablet for about $99.00 from Alibaba and it really works! (To my utter amazement)

It’s supposedly waterproof and vibration resistant, so it can tolerate a damp environment. (We’ll see how it holds up)

It has a very bright display (moreso than my phone or iPad tablet.)

I had an old subscription to C-Map which I installed. A buddy installed Navionics/Garmin on his unit. We compared notes after driving around with the unit in the car, and both Apps seemed to work fine.

I currently have subscribed to C-Map for $15.99 per year, so it should work through the 2026 season, however, it would be great if OpenCPN would also work.

Unfortunately, I am not sure how to integrate it using NMEA standard wired interfaces. Maybe a Bluetooth option???

This should replace a much pricier “boaty” chart plotter, but we shall see…

Any tinkerers who might be willing to advise?


Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT
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