Benzie County · Michigan

Platte Lake

Soundings in feet · 2,532 acres · deepest 90 ft

Today on the lake

Updated 9 Oct 2026, 3:08 am EDT. Get alerts for Platte Lake

WEATHEROvernight: mostly clear, 44°F, wind SW 5 mph. Friday: sunny, 64°F, wind NW 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.

ALGAECAUTION Satellite detected cyanobacteria across about 1% of the lake on 5 Oct 2026, the latest clear-sky image.

LAUNCHESPlatte Lake: listed open. Michigan DNR record updated 3 Apr 2026.

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

10 contours, 5 to 90 ft

05102030405060708090feet

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

Size and depth

2,532 acres · deepest 90 ft (measured) · shoreline about 9.4 mi · clarity about 10 ft

Platte Lake is the 2nd largest of the 38 named lakes of 10 acres or more in Benzie County. By Michigan DNR survey it is the 2nd deepest of the 15 with a measured depth. Its water is clearer than 12 of the other 36 lakes in the county with satellite clarity readings. Its shoreline measures about 9.4 miles along the state outline. About 25% of its area is deeper than 40 ft.

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

Getting on the water

1 public access site on Platte Lake.

Platte Lake · Open

1 ramp lane · 12 trailer spaces · vault toilet · Recreation Passport required

Local boating rules, Benzie County

Michigan DNR boating access, fetched 7 Oct 2026.

Fishing

Michigan DNR has stocked Platte Lake 25 times since 1985. The most recent stocking was 67,078 walleye on 26 June 2013. Species stocked: brown trout, walleye.

25 stockings, 1985 to 2013, log scale

Latest: 26 Jun 2013: 67,078 walleye.

26 Jun 2013STOCKED67,078 walleye

9 Jul 2009STOCKED138,177 walleye

24 Jun 2009STOCKED15,095 walleye

9 Jun 2004STOCKED63,728 walleye

11 Jun 2003STOCKED63,012 walleye

13 Jun 2002STOCKED67,750 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 9.9 ft of 90 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

Email me about Platte LakeWhen it is stockedMichigan DNR has stocked Platte Lake 25 times since 1985, most recently 67,078 walleye on 26 June 2013. None in the last five years.When algae is reported or testedMichigan DHHS has no records for this lake yet. We email when the first one is posted.When satellite sees a bloom startEPA satellite, checked daily, June to October. We email when a bloom first shows on two clear days, not every day it stays. It has not happened in 2026.Any lake in Benzie CountyStockings and algae records on every lake in the county. In 2026 so far: 2 emails.

Platte Lake has had no stockings or algae records in 2026, so its own alerts would have sent nothing this year. The county alert is on by default.

Email address

At most one email a week per lake. We email you a link to confirm before any alert is sent; every email has a one-click unsubscribe.

Nearby lakes with measured depth

Little Platte Lake8 ft deep · 1.8 mi · Benzie County

Crystal Lake175 ft deep · 3.9 mi · Benzie County

South Bar Lake13 ft deep · 8.9 mi · Leelanau County

Lime Lake25 ft deep · 9.0 mi · Benzie County

Garey Lake33 ft deep · 9.6 mi · Benzie County

Upper Herring Lake25 ft deep · 9.9 mi · Benzie County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Platte Lake?

Platte Lake is 90 feet at its deepest point, measured by Michigan DNR survey. It covers 2,532 acres.

Is there a public boat launch on Platte Lake?

Yes. 1 public access site is listed: Platte Lake.

Is Platte Lake stocked with fish?

Yes. Michigan DNR has stocked it 25 times since 1985, most recently 67,078 walleye on 26 June 2013.

How much of Platte Lake is deeper than 10 feet?

About 62% of the lake's area is deeper than 10 feet, measured from Michigan DNR depth contours.