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How do YOU determine if rotten spring ice is safe enough to go out on? I've read lots of safety notes around on the web, and the general consensus is... whenever it looks even remotely in question, go back home. Good conservative advice, but when do you give you and throw in the towel?
Its one of those things you just KNOW. But big time clues are: the ice turns a different color than what it used to be; a much darker and ominous color than usual tells me its just about to bust up. Also the tell tale sign for me to get the hell off the ice is when I'm drilling a hole and my auger spits out chunks of ice instead of shaving; that tells me the stuff is rotten and it is not strong any longer, pull the tilts and skidattle.
Dang, We've had 2 weeks of 40-50' temps, Ice was a good 18+ inches, but last weekend I noticed near shore a slight yellowing color to the surface ice. Temps have been warm all week too, dropping between 15-20 at night and 40-50 in the day. Friday will not drop below freezing at night, but will be the first day like that since fall. Also its a pretty large reservoir and they are dropping the water in anticipation for spring melt so its kinda hard to tell where the shore ends and water under the ice begins, and if the ice is heavy and sagging, or if its just breaking up on the shore because of the drop in water level.... I'm sure I'll know when I get there and drill a test hole just off shore in 4 fow or so.
The honeycombing effect is a tell tale sign that ice is about to go. If I see to many lines and it sort of sinks as I try to get on it I call it quits. I fished last year in south east Michigan in March the temp was 65 degrees and there was 8" or so of ice just starting to get the honeycomb effect, awesome day but next day it was a no go.
i was out there that weekend on wamplers caught some nice fish