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Kab Fishing: Walleye Wisdom 101

Updated: Feb 10

You are coming to Lake Kabetogama, or the surrounding area. Not sure where to start? Not super excited about paying for a guide...I get it. I (Wade Watson) have been a licensed fishing guide on specifically these waterways (Kabetogama, Namakan, Ash River, Rainy Lake (east end)) for 25 years. Most guides aren't super excited to "share information", but I would love to be your resource or contact if you want some help.

I'm likely not going to give you my GPS location if you aren't in my boat, but I will help teach you a few things about our system.

A glacial basin, Lake Kabetogama is about 27,000 acres, with Namakan Lake being nearly the same. Kabetogama is the only lake completely within the United States, as Namakan, Rainy, Sand Point, and Crane lakes all share a border with Canada. Click to find more information on Remote Border Permits

Glacial basin lakes generally have rocky-hard structure, with unique rock "reefs" and a wide variation in lake contour. Take a look at a Lake Kabetogama nautical chart, one thing that you may not understand is that Kabetogama and the adjoining lakes (Namakan, Sandpoint, Rainy, Crane) have very few houses, cabins, or permanent structures because of Voyageurs National Park. Undeveloped shorelines, abundant islands, National Park setting, and one of the best walleye lakes in Minnesota.

First phase: Spawn and Post Spawn:

Walleye typically move to tributary streams or shoals in larger water bodies to spawn. Once there, they engage in a group spawning process, in which females release their eggs and males fertilize them immediately. Females can release thousands of eggs, and the eggs are adhesive, meaning they stick to the bottom of the water body.  In various water bodies, Walleye use different spawning locations. In lakes, their choice is shallow areas with hard substrates like rocky reefs, sandbars, and gravel shoals. These choices are influenced by their need for strong currents or wave action to oxygenate their eggs and proximity to deeper water for fry safety. 

Temperature and length of day play a role:

Walleye typically spawn in the spring, when water temperatures reach 42-50°F. However, the exact temperature range can vary depending on the region and the water body.

  • Photoperiod: The length of daylight hours, or photoperiod, plays a role in triggering walleye spawning. They are inclined to spawn as the days grow longer and the photoperiod is increasing. This natural response to changing light conditions helps synchronize their reproductive activities. Spawning during the night is a common behavior for Walleye.

Walleye often spawn at night. They are known for their nocturnal or low light spawning habits. This behavior is influenced by their sensitivity to light and helps protect their eggs from potential predators and is an important aspect of their reproductive cycle.

The largest female Walleyes in a given ecosystem often follow the pattern of moving to shallow water to spawn during the spring, particularly at night along shorelines. This is where they lay their eggs. It is also noteworthy that these larger Walleyes tend to return to these areas when cisco (whitefish on Kabetogama basin), a favored prey fish, spawn during late October and November. This behavior is part of their foraging strategy, as they take advantage of the cisco spawn to feed and sustain their size and energy levels. The interplay between Walleye spawning and their feeding habits is a vital aspect of their ecology.

After spawning, the male Walleye guard the eggs until they hatch. The eggs hatch after 12-30 days, depending on the water temperature. The Walleye fry are free swimming and immediately begin to feed on plankton and other small organisms.

Post Spawn: this period is considered generally when water temps are between 45-60 degrees. Typically, in our area we find these water temperatures are found mid-May until mid-June. I love this time as we often find large female walleyes feeding again chasing minnows and "newly" hatched bait fish in shallow backwater, shallow bays, and river inlets. Casting plastics or live bait on small (1/8-1/4 oz) jigs is a fun way to find these areas. Moving depths slightly can make a huge diffenence in the size (age class) of walleyes. I laugh when people say "I only caught BIG fish". Then I'll ask, "did you try moving 5-10 feet deeper...and most people have not. Using the map, I'm looking for creeks or rivers that flow into Kabetogama or Namakan, but they need to flow into shallower bays (water is warming up faster).

Summer Season: Water is generally above 65...and these walleyes are continuing to follow that bait. Rocky points, or open water reefs are good areas to start. Remember to use the wind direction as a deciding factor on which shoreline point to target. We want the wind blowing the bait into the shoreline or reef. Leeches and nightcrawler harnesses can be deadly as bait moves a bit faster when the water warms. I also begin using crankbaits more frequently as well as continue to pound these areas with a 3.5-4.5" paddle tail plastic on a 1/4 oz jig.

As we move to July and August- Cabbage weeds can be thick. Often walleye fisherman stays on those reefs or troll crankbaits to cover "flats" or areas between open water reefs. Typically trolling will find open water fish all over the basin, but the key here is finding the right feeding depth to consistently find fish. You may find me trying to pull those walleye hiding in the thick weeds. Again, I love shallow fishing and many walleye, perch, and pike are buried in the weeds. Shallow diving crankbaits in colors similar to baitfish (perch) can really produce a lot of walleyes. In the past 2-3 years, I would say some of our "most fish" boated came in these "dog days of summer". If you are trolling, remember the speed needs to match their body temperature. The colder temps, the slower the troll, the warmer the temps move a little faster. Generally, I troll lures 2-4mph, and troll live bait 1.5-2.5mph.

Fall Fishing: Fall fishing is the most erratic. It is the time of storms, quick temperature changes, high-pressure systems, followed by low-pressure fronts, it is these weather extremes that makes consistent fishing difficult. 

Generally, as temperatures cool, I target Namakan and the East End of Kabetogama more. The reason for this is Kettle Falls. The dam at Kettle Falls tends to pull more water from the Namakan basin and draws water to Rainy Lake. This "pull" creates underwater currents on our system and moves bait more through areas between islands and that have steep drop-offs or transitions.

A cold October rain or a snowfall can lower water temperature from 65-55° in just a few hours if enough moisture falls. This adversely affects fishing since the walleye are slower to react in the colder water. 

They’ll move where the food is, but they’ll move slower if the temperature drops too much. The same rainstorm that has walleye hitting on every cast in July, drives them away in October. That July rain is warm, heating the surface water, increasing feeding opportunity for walleye. They are fickle fish when it comes to drastic weather changes.

Fall “Turnover” Transition

Turnover is a physical process all North American freshwater lakes undergo in the fall and spring. Coldwater is denser than warm water, so lakes undergo a process twice a year where the deep water rises to the surface and the surface water drops to the bottom. 

This mixes the water, brings back oxygen to depleted areas, mixes nutrients and suspended solids in the water, and creates a more uniform environment that expands the area walleye, and other gamefish will hunt since the baitfish follow the food. A lake turns when the surface water temperature is between 50-55° on most American lakes. 

As the lake turns, so do the temperature bands within the lake. The surface that was warm before the turn becomes cold again. You can see temperature changes from 55 down to 35° at the surface as the colder water comes to the top.

Kab Fishing Guide's Summary: May through October- The earlier you come to Kabetogama/Namakan the more i am targeting shallow bays, early weeds, and sand or gravel structures. Mid summer, look for breaklines around islands from 10-25 feet or search for open water "reefs" or structure. As warm water continues, try a larger variety of baits and wider range of depths. Typically, if the days is cloudy or overcast I will try shallow 8-15 feet, but if the sun is bright start looking a bit deeper 15-30 feet. Finally, Sept and Oct. look for deeper holes or more drastic drop offs near rock piles/reefs or island points.

Your guide: Wade Watson "Kab Kid"

Here are some great videos explaining the patterns talked about above-

Walleye Biology: Great video

Walleye Movement Explained by Joel Nelson- Angling Buzz

Understanding Structure- Al Linder, Linder productions

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