Hart Lake, Oceana County, MI: Depth Map, Fishing & Water Quality

Where it is

at Hart

Oceana County, Michigan · 43.7083° N, 86.3555° W

Directions to John Gurney Park Apple Maps

Directions open in Google or Apple Maps, to the Michigan DNR public access site.

Today on the lake

Updated 10 Oct 2026, 12:23 am EDT. Get alerts for Hart Lake

WEATHEROvernight: slight chance rain showers, 54°F, wind SE 7 to 10 mph. Saturday: mostly sunny, 75°F, wind SSE 12 to 16 mph.

WARNINGSNo weather or fire warnings in effect.

FIREPrescribed burn SER 439 South RX, 43 acres, 17.4 mi away, began 8 Oct 2026. A planned fire set by land managers. Prescribed burn Boreman Ranch RX, 42 acres, 23.7 mi away, began 9 Oct 2026. A planned fire set by land managers.

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.

LAUNCHESJohn Gurney Park: listed open. Michigan DNR record updated 27 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

13 contours, 4 to 29 ft

04567101120212223252729feet

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

Size and depth

236 acres · deepest 29 ft (measured) · shoreline about 7.7 mi

Hart Lake is the 5th largest of the 87 named lakes of 10 acres or more in Oceana County. By Michigan DNR survey it is the 9th deepest of the 21 with a measured depth. Its shoreline measures about 7.7 miles along the state outline. About 16% of its area is deeper than 20 ft.

Ranks against Oceana 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 Hart Lake.

John Gurney Park · City of Hart · Open

1 ramp lane · 8 trailer spaces · 4 car spaces

Local boating rules, Oceana County

Michigan DNR boating access, fetched 7 Oct 2026.

Fishing

Michigan DNR has stocked Hart Lake 46 times since 1983. The most recent stocking was 12,058 walleye on 4 June 2025. Species stocked: channel catfish, hybrid sunfish, largemouth bass, northern pike, smallmouth bass, walleye.

46 stockings, 1983 to 2025, log scale

Latest: 4 Jun 2025: 12,058 walleye.

4 Jun 2025STOCKED12,058 walleye

24 Jun 2022STOCKED10,200 walleye

12 Jun 2019STOCKED12,650 walleye

12 Jul 2017STOCKED9,557 walleye

15 Jun 2015STOCKED4,586 walleye

2 Jun 2015STOCKED11,923 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

The area around Hart Lake

7 other lakes of 10+ acres within about 6 miles of Hart Lake; 1 public launch in magenta. Sources: Michigan DNR, US Census Bureau.

Nearby lakes with measured depth

Wyckoff Lake27 ft deep · 3.5 mi · Oceana County

Crystal Lake34 ft deep · 3.9 mi · Oceana County

Silver Lake25 ft deep · 7.9 mi · Oceana County

Bass Lake4 ft deep · 8.8 mi · Mason County

Black Lake20 ft deep · 12.0 mi · Oceana County

Stony Lake43 ft deep · 12.0 mi · Oceana County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Hart Lake?

Hart Lake is 29 feet at its deepest point, measured by Michigan DNR survey. It covers 236 acres.

Is there a public boat launch on Hart Lake?

Yes. 1 public access site is listed: John Gurney Park.

Is Hart Lake stocked with fish?

Yes. Michigan DNR has stocked it 46 times since 1983, most recently 12,058 walleye on 4 June 2025.

How much of Hart Lake is deeper than 10 feet?

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