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> Water Temps
gord88
Posted: Sep 28, 2018 - 07:45 am


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Anyone know what the water temps are on Nippissing, Trout, Restoulle, Nosbonsing / North Bay Area in general? Where will those temps be approx. in 2 weeks?

Thanks

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jeff22
Posted: Sep 28, 2018 - 08:18 pm


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Hi gord88, if you plan on going musky fishing forget about it! Your gonna be smack dab in the middle of turnover 🤣

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gord88
Posted: Sep 28, 2018 - 11:03 pm


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That's okay just looking to wash my lures!

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Chuck Enwinde
Posted: Sep 30, 2018 - 11:47 pm


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58f on the surface on an Algonquin trout lake Sunday - a bit south/east of Restoule. Thermocline was at 24ft.

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Kaytar
Posted: Oct 01, 2018 - 10:04 am


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UGGGGHH Im gunna be on lower french in 2 weeks.....booked and payed ....bad news????

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Collingwood Dean
Posted: Oct 08, 2018 - 08:41 am


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Interesting post from Jeff 22....
....I don't know much about turnover...why..how.. does that affect fishing?
...and for how long?

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Grumpa
Posted: Oct 08, 2018 - 12:31 pm


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QUOTE (Collingwood Dean @ Oct 08, 2018 - 08:41 am)
Interesting post from Jeff 22....
....I don't know much about turnover...why..how.. does that affect fishing?
...and for how long?

Lake's water is stratified by temperature during the summer. The lake turns over from the top layer (epilimnion) to bottom (hypolimnion). The epilimnion is the warmer surface layer heated by solar radiation during the summer. The sun's heating doesn't fully reach the coldest hypolimnion layer. The thermocline is a thin layer in between the epilimnion and the hypolimnion where the water temperature decreases rapidly with depth.
During the fall, the surface water begins to cool and become more dense causing it to sink. This dense water forces the water of the hypolimnion to rise...turning over the two layers. The water layers mix...but stratify again, with a much smaller temperature differential, during winter.
Generally speaking at around 10C (50F) the surface water, that's oxygen rich during the summer, starts to sink into and through the thermocline.
It 'can' greatly change fishing patterns...as bait fish may change locations during and subsequent to turnover.
When their food moves...predators species will usually follow.
Turnover can be a big transitional period for many fish species.

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Chevy
Posted: Oct 08, 2018 - 01:26 pm


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Thanks for the insight Grumpa.

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Chuck Enwinde
Posted: Oct 09, 2018 - 12:53 am


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QUOTE (Collingwood Dean @ Oct 08, 2018 - 09:41 am)
Interesting post from Jeff 22....
....I don't know much about turnover...why..how.. does that affect fishing?
...and for how long?

It really depends, but if you take lake trout as an example. When a lake is stratified, you're unlikely to find them in the epilimnion as temps will be above their comfort zone. Once the lake has turned over they're free to go wherever they want, as temps will be around ~4 degrees give or take all the way from top too bottom. Just an example of course as lakers are closed in most areas now. In the smaller lakes I fish it usually only lasts a few days.

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Collingwood Dean
Posted: Oct 10, 2018 - 05:57 am


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Thanks for the in depth explanation Grumpa!

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