Submitted by derdmann on Wed, 2013-09-18 04:32 Groups audience Marinette County - 422 Vote Up Down -1 + Air temperaures have dropped in the Amberg area. Water temperature is 50 degrees and the stream flow is 94 cfs. A few caddis were seen and the brook trout are in full spawning colors. September is a good time to out fishing Marinette County.