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Grand River Marsh*
Green Lake & Marquette counties, Wisconsin · WBIC 159900
1,446Acres
7ftMax depth
1Launches
Depth in feet
The DNR has no depth map online for this lake.
✕ Deepest spot, 7 ftWisconsin DNR survey map. Not for navigation.
Best fishing times All fish
GoodFairSlow
Best windows today, all fish
Times by species available in Premium · lakesheet.com/premium
Wind & weather National Weather Service
Forecast not loaded. Check weather.gov before you go.
Sources: Wisconsin DNR (lake facts, rules, survey map), National Weather Service. Sun and moon computed for the lake. Best times are a model of light and moon, not a promise. Lake Sheet is not affiliated with the DNR.
Lake SheetGrand River Marsh* · back
Rules, log & local dealsWrite it down. Post it later.
Rules on this lake DNR · checked 2026-10-08
| Fish | Rule | |
|---|---|---|
 Walleye | 15" min · 3/day | Open |
 Northern pike | 26" min · 2/day | Open |
 Bass | 14" min · 5/day | Open |
 Panfish | No size limit · 25/day | Open |
| Sturgeon | No fishing | Closed |
License: Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What Grand River Marsh* is best for out of 10
Bluegill4.3
Perch4.3
Crappie4.3
Largemouth4.3Northern pike4.3Walleye4.3Trip log Date ____ / ____ Water temp ____°F Wind ______
| Time | Spot / depth | Bait | Fish | Length | Kept |
|---|---|---|---|---|---|
Measure it Print at 100% and this ruler is true to size
inches
Caught one? Post it.
Scan with your phone camera to open the Grand River Marsh* board. Post your catch and the water temp. Your spot stays hidden unless you choose to share it.
lakesheet.com/lakes/marquette/grand-river-marsh-159900/Clean, drain, dryRemove plants and animals, drain all water, never move live fish or bait.
Eating adviceHealth advice, not a catch limit: eat no more than 1 meal a month of muskies. See the DNR fish consumption guide.
EmergencyCall 911. Say "Grand River Marsh*, Marquette County" and the nearest launch (Main Dam Upstream Access).
Fishing more than one day?The Grand River Marsh* Report: where, when and how for each fish you pick, every day of your trip. $19.
lakesheet.com/reports