MI · Reservoir
Union Lake
Water conditions
No streamgage and no recent weather for this water yet — see the best-times below, which are computed from date and location.
Weather
Weather not yet loaded for this water.
Best times today
- Major period19:29–21:29
- Minor period00:26–01:26
- Major period08:03–10:03
- Minor period16:46–17:46
Moonrise 00:56 · Moonset 17:16 · times UTC-6 (approx)
Recently stocked
- Walleye · 26,176 · 2.54Jun 7, 2022
- Walleye · 26,314 · 3.81May 31, 2018
- Walleye · 1,000 · 3.12May 26, 2016
- Walleye · 750 · 3.23May 29, 2015
- Walleye · 19,877 · 3.64May 29, 2015
- Walleye · 500 · 3.3Jun 10, 2014
- Walleye · 11,750 · 4.45May 31, 2013
- Walleye · 8,200 · 2.4May 24, 2012
- Channel Catfish · 7,673 · 21.0Oct 5, 2005
- Channel Catfish · 7,376 · 8.07Oct 6, 2004
- Channel Catfish · 5,250 · 22.35Sep 18, 2003
- Northern Pike · 4,700 · 11.4Jun 30, 2003
- Channel Catfish · 7,877 · 19.8Sep 25, 2002
- Channel Catfish · 6,355 · 23.1Sep 20, 2001
- Channel Catfish · 4,435 · 19.1Sep 21, 2000
- Walleye · 31,295 · 4.5Jun 27, 2000
- Channel Catfish · 10,030 · 22.4Oct 14, 1999
- Walleye · 46,754 · 4.3Jun 10, 1999
- Northern Pike · 4,136 · 9.7Jun 6, 1999
- Channel Catfish · 4,922 · 24.2Oct 7, 1998
- Walleye · 9,295 · 16.1Sep 1, 1998
- Northern Pike · 3,040 · 8.3Jun 1, 1998
- Channel Catfish · 6,000 · 18.3Oct 8, 1997
- Walleye · 16,770 · 3.8Jun 20, 1997
- Walleye · 11,900 · 3.8Jun 16, 1997
- Walleye · 850 · 4.6Jun 16, 1997
- Channel Catfish · 4,500 · 21.3Oct 9, 1996
- Channel Catfish · 15,271 · 11.0Jul 12, 1995
- Walleye · 52,500 · 3.1Jun 7, 1995
- Walleye · 52,500 · 2.5Jun 1, 1994
- Walleye · 175,000 · 1.6May 3, 1994
- Walleye · 800 · 11.4Sep 4, 1993
- Bluegill · 100,000 · 2.5Apr 15, 1993
- Channel Catfish · 5,450 · 10.9Apr 1, 1992
- Northern Pike · 5,700 · 6.4May 28, 1991
- Channel Catfish · 12,000 · 9.8Mar 28, 1991
- Redear Sunfish · 6,000 · 4.6Nov 1, 1990
- Northern Pike · 3,100 · 10.1May 26, 1990
- Bluegill · 35,100 · 5.5Apr 12, 1990
- Channel Catfish · 10,000 · 9.4Mar 27, 1990
- Redear Sunfish · 7,278 · 3.2Sep 29, 1989
- Northern Pike · 2,500 · 11.4May 19, 1989
- Channel Catfish · 3,300 · 10.3Apr 7, 1989
- Channel Catfish · 10,000 · 8.2Sep 7, 1988
- Walleye · 1,200 · 5.0Jul 1, 1988
- Northern Pike · 64,611 · 4.9Apr 28, 1988
- Walleye · 18,700 · 7.1Jul 16, 1987
- Walleye · 30,000 · 3.6Jun 1, 1987
- Northern Pike · 2,000 · 14.0May 25, 1987
- Channel Catfish · 9,000 · 11.2Apr 15, 1987
What to throw
Walleye
No exact temperature rule — widened by temperature.
temp n/a, clarity n/a, summer → trolled deep over structure shad crankbait
Why we say this: In-Fisherman summer walleye trolling
Northern Pike
No exact temperature rule — widened by temperature.
temp n/a, clarity n/a, summer → burned over deep weed edges red/white spoon
Why we say this: In-Fisherman summer pike
Show 1 more species
Largemouth Bass
No exact temperature rule — widened by temperature.
temp n/a, clarity n/a, summer → steady through grass chartreuse chatterbait
Why we say this: Berkley bait selection guidance
temp n/a, clarity n/a, summer → finesse on deep structure natural drop shot
Why we say this: Bassmaster summer deep-water guide
temp n/a, clarity n/a, summer → slow-rolled over structure shad swimbait
Why we say this: Bassmaster summer swimbait guide
Gear partners
Sonar and lake mapping earn their keep on a water like Union Lake — find the depth and structure the bite is holding on, then match it to the picks above.
- Electronics & fish finders: Garmin · Bass Pro Shops — Fish finders, sonar & lake mapping
- Rods & reels: Abu Garcia (Pure Fishing) · Bass Pro Shops
- Boats & marine: Bass Pro Shops — Boats, trolling motors & marine gear
Nearby & related
Stocked nearby in the last two weeks
- Lake Michigan · Walleye · 157 miJul 1, 2026
- Lake Missaukee · Walleye · 157 miJun 29, 2026
- Bear Lake · Walleye · 172 miJun 30, 2026
- Lake Margrethe · Walleye · 180 miJun 29, 2026
- Indian Lake · Walleye · 278 miJul 7, 2026
- Huron Lake · 387 miJun 30, 2026
Nearby waters
- Coldwater River 2 mi
- Hog Creek 7 mi
- Matteson Lake 9 mi
- Lee Lake 9 mi
- Sturgeon Lake 10 mi
- Bear Creek 10 mi
Waters with the same fish
- Alcona Dam Pond · MI
- Algonquin Lake · MI
- Allen Lake · MI
- Alward Lake · MI
- Andrus Lake · MI
- Arbutus Lake · MI
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