Overlay GRIB Data on Satellite Images in OpenCPN

Overlay GRIB Data on Satellite Images in OpenCPN by Chris “Tweed” Harris s/v Morgane “I receive NOAA APT weather satellite images which are quite useful when used alone but with GRIB wind and rain data overlaid they can be very useful in checking the validity of the GRIB model’s forecast.” Chris Harris’s article demonstrates all […]

How to Sail off the Chart with Confidence Using Satellite Imagery

How to Sail off the Chart with Confidence Using Satellite Imagery by Rory Garland s/v Streetcar Google Earth Navigation on OpenCPN Charts Use a range of techniques to navigate safely in far-flung places that have poor chart coverage. Rory’s article, published in Yachting World magazine, highlights the usefulness of satellite imagery overlays and how to […]

OpenCPN Unleashed on SSCA

OpenCPN Unleashed on SSCA by Dave Register OpenCPN Unleashed Seminar SSCA Gam Melbourne, FL  11 Nov 2016 First, I would like to thank the Seven Seas Cruising Association for the opportunity to speak at this year’s gam. The OpenCPN Unleashed seminar was well attended. The presentation began with an introduction to OpenCPN, then covered highlights […]

Commercial Traffic Zones and What the Lights Mean

Commercial Traffic Zones and What the Lights Mean by Roz Butziger Green and Purple Shapes on my OpenCPN Charts Those are Traffic Separation Zones.  They can be rather confusing if you’re not familiar with them. Roz Butziger, of the Warwick Beacon, describes the traffic lanes found on some charts and how to navigate them. She […]

Make Charts on Google Earth with GE2KAP

Make Charts on Google Earth with GE2KAP Paul Higgins and his trusty sidekick Whitey authored the program GE2KAP.  This free software allows you to make charts with Google Earth overlays.  The result is an amazing combination of photo-real land detail and waterways that are navigation charts. GE2KAP is not an OpenCPN plugin. This is a […]

Getting the Most out of OpenCPN

Getting the Most out of OpenCPN by Sherry McCampbell s/v Soggy Paws Sherry created an excellent pdf presentation on the fundamentals of OpenCPN.  Its a fairly detailed document which explains everything necessary to get started. Sherry’s presentation is thorough and is easily understood by anyone.  Rich with diagrams and images, which makes it a breeze […]

How to Make Navigation Safer Using Satellite Images

How to Make Navigation Safer Using Satellite Images by Chris Beeson Cruisers find unexpected benefits of satellite images overlaid on OpenCPN. Yachting Monthly magazine published an extensive article explaining why sat overlays can be helpful and how to implement them onto your charts. “Google Earth was never designed to be used as a primary navigation […]

Using the App Chart Downloader

How to use the chart downloader on your OpenCPN App Before you can view charts on the App, you’ll need to download some. OpenCPN does not provide charts. We point to sources for charts online where you can get them for your chosen region. Please note: some countries provide free charts while others require purchased […]