Wondering if its possible to add a North arrow to a webmap?
Since you aren't able to rotate a map, north is always on top of your screen. I don't see a need to add a north arrow, which I am pretty sure, you can't add.
I may need to print this map.
You could do this if you have ArcGIS Server and create a custom print service. Using the service you can customize and number of layouts for printing.
(but my guess is that is not the answer you are looking for)
Retrieving data ...