Fish Lake, Alger County, MI: Depth Map, Fishing & Water Quality

Where it is

14 miles south of Munising

Alger County, Michigan · 46.2244° N, 86.6378° W

One of 17 lakes named Fish Lake in Michigan. See them all

The Michigan DNR lists no public access site on Fish Lake; much of the shore may be private.

Today on the lake

Updated 14 Oct 2026, 5:26 pm EDT. Get alerts for Fish Lake

WEATHERThis Afternoon: slight chance rain showers, 55°F, wind N 10 mph. Tonight: slight chance rain showers then mostly cloudy, 32°F, wind N 0 to 5 mph.

WARNINGSNo weather or fire warnings in effect.

FIRENo wildfires or prescribed burns reported within 25 miles.

BURNINGCampfires and debris burning: check today's status with Michigan DNR.

ALGAEToo small for satellite monitoring (under 1 km²). No bloom reports on record with Michigan DHHS.

National Weather Service; National Interagency Fire Center; U.S. EPA CyAN satellite; Michigan DHHS; Michigan DNR. Weather, warnings, fires and satellite refresh when you open the page (checked at most hourly).

Depth map

6 contours, 5 to 40 ft

051015203040feet

Michigan DNR survey, fetched 7 Oct 2026. Not for navigation.

Size and depth

134 acres · deepest 40 ft (measured) · shoreline about 4.2 mi · clarity about 10 ft

Fish Lake is the 12th largest of the 169 named lakes of 10 acres or more in Alger County. By Michigan DNR survey it is the 10th deepest of the 87 with a measured depth. Its water is clearer than 101 of the other 123 lakes in the county with satellite clarity readings. Its shoreline measures about 4.2 miles along the state outline. About 79% of its area is deeper than 15 ft.

Ranks against Alger County lakes in Michigan hydrography, Michigan DNR lake surveys and Michigan EGLE satellite clarity; shoreline measured from the state outline. How we measure

Fishing

Michigan DNR has stocked Fish Lake 7 times since 1979. The most recent stocking was 3,884 walleye on 25 June 2025. Species stocked: walleye.

7 stockings, 1979 to 2025, log scale

Latest: 25 Jun 2025: 3,884 walleye.

25 Jun 2025STOCKED3,884 walleye

21 Jun 2000STOCKED9,300 walleye

30 Jun 1988STOCKED6,518 walleye

27 Jun 1986STOCKED16,634 walleye

4 Jul 1985STOCKED22,038 walleye

24 Jun 1980STOCKED10,366 walleye

Source: Michigan DNR Fisheries, fetched 7 Oct 2026. How we measure

Where the deep water is

Show water deeper than

Measured from Michigan DNR contours. How we measure

Water quality

Average water clarity is about 10 ft (Secchi depth 3.0 m, satellite readings 2018–23).

Clarity 9.8 ft of 40 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

The area around Fish Lake

218 other lakes of 10+ acres within about 20 miles of Fish Lake, 9 with a page here (darker blue). Sources: Michigan DNR, US Census Bureau.

Nearby lakes with measured depth

Carp Lake50 ft deep · 0.4 mi · Alger County

Baldy Lake25 ft deep · 0.7 mi · Alger County

Bar Lake40 ft deep · 0.9 mi · Alger County

Spot Lake25 ft deep · 1.1 mi · Alger County

Town Lake31 ft deep · 1.1 mi · Alger County

Moccasin Lake20 ft deep · 1.2 mi · Alger County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Fish Lake?

Fish Lake is 40 feet at its deepest point, measured by Michigan DNR survey. It covers 134 acres.

Is Fish Lake stocked with fish?

Yes. Michigan DNR has stocked it 7 times since 1979, most recently 3,884 walleye on 25 June 2025.

How much of Fish Lake is deeper than 10 feet?

About 100% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.