Omena Lake, St. Joseph County, MI: Depth Map, Fishing & Water Quality

Where it is

3 miles north of Sturgis

St. Joseph County, Michigan · 41.8387° N, 85.4229° W

Directions to Omena Lake Apple Maps

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

Today on the lake

Updated 10 Oct 2026, 1:18 am EDT. Get alerts for Omena Lake

WEATHEROvernight: partly cloudy, 57°F, wind SE 10 mph. Saturday: partly sunny, 77°F, wind SE 10 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.

LAUNCHESOmena 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

7 contours, 5 to 50 ft

05101520304050feet

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

Size and depth

132 acres · deepest 50 ft (measured) · shoreline about 3.5 mi · clarity about 10 ft

Omena Lake is the 21st largest of the 67 named lakes of 10 acres or more in St. Joseph County. By Michigan DNR survey it is the 5th deepest of the 26 with a measured depth. Its water is clearer than 33 of the other 53 lakes in the county with satellite clarity readings. Its shoreline measures about 3.5 miles along the state outline. About 34% of its area is deeper than 20 ft.

Ranks against St. Joseph 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 Omena Lake.

Omena Lake · Cassopolis Field Office · Open

1 ramp lane · 6 trailer spaces · vault toilet · accessible restroom · Recreation Passport required

Local boating rules, St. Joseph County

Michigan DNR boating access, fetched 7 Oct 2026.

Water quality

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

Clarity 9.7 ft of 50 ft

Michigan EGLE satellite clarity, fetched 7 Oct 2026.

The area around Omena Lake

25 other lakes of 10+ acres within about 6 miles of Omena Lake, 1 with a page here (darker blue); 1 public launch in magenta. Sources: Michigan DNR, US Census Bureau.

Nearby lakes with measured depth

Grey Lake38 ft deep · 0.6 mi · St. Joseph County

Hawkins Lake7 ft deep · 1.3 mi · St. Joseph County

Fish Lake35 ft deep · 1.7 mi · St. Joseph County

Prairie River Lake57 ft deep · 2.0 mi · St. Joseph County

Minnewaukan Lake25 ft deep · 2.1 mi · St. Joseph County

Thompson Lake25 ft deep · 3.6 mi · St. Joseph County

Michigan DNR survey; straight-line miles.

Common questions

How deep is Omena Lake?

Omena Lake is 50 feet at its deepest point, measured by Michigan DNR survey. It covers 132 acres.

Is there a public boat launch on Omena Lake?

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

How much of Omena Lake is deeper than 10 feet?

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