Thread: Can I show stream direction arrow on Garmin Bluechart Map?

Hi everybody, especially to Mrs. CatyMag,
I see on the Chart of Onwa, Furuno, ... they can show the stream direction arrow on theri map. I think Garmin Map also can be do, too. Please help me how to display or overlay a new stream direction arrow to Garmin Bluechart Map.

Thanks so much.