I guess a few nights in the 20's will do it 
No doubt! There was still some ice left in the sheltered areas of the swamp when I drove by this afternoon, but the areas in the open sun were open again.
Either way, we know that the water is cold

The 10 day forecast shows only 1 day with highs in the 30s, so this should fend off any further ice until at least Christmas time. Let's see what happens after that
