Paugus Bay Rocks

[kawishiwi]

Originally Posted by Rich

I don't work for Navionics, but... If you click the left menu open, then click settings, then units, you will see depth options for feet, meters or fathoms. My guess is that it's set to fathoms for you.

Or if it's errors in their charts, contact them to let them know. They have been responsive to me in the past and corrected errors I found on their charts.

I think most electronic depth maps fail to show shallow water accurately and Navionics is bad at that. I figure the boat doing the sonar survey isnt going into risky water and that the "shallows" are calculated from shore, 0 ft, to the first real sonar depth. Lakemaster maps on Humminbird are much better than Navionics but still are not going to have super accurate near shore readings in very shallow water.

[Dave R]

Originally Posted by kawishiwi

I think most electronic depth maps fail to show shallow water accurately and Navionics is bad at that. I figure the boat doing the sonar survey isnt going into risky water and that the "shallows" are calculated from shore, 0 ft, to the first real sonar depth. Lakemaster maps on Humminbird are much better than Navionics but still are not going to have super accurate near shore readings in very shallow water.

I totally agree. I don't trust any chart readings within 100 feet of shore and if going somewhere new near shore, I pick my way carefully to avoid grounding.