What is the current water level at Lake Superior?

The current water level at Lake Superior is 602.03 ft (updated 4 hours ago). See the live chart and daily history on this page for trends.

How often is Lake Superior lake level data updated?

Readings are refreshed when NOAA / U.S. Army Corps of Engineers (coordinated network) publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

How does the current level compare to the long-term average at Lake Superior?

Lake Superior is currently +0.98 ft vs long-term average relative to its long-term average elevation on Lake Insights.

Lake Superior Water Level

MichiganMinnesotaWisconsin

Current level

602.03ft

+0.98 ft vs long-term average

Since last reading

Down 0.03 ft

Latest movement · prior daily summary

7-day trend

Falling

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Gear

HEETA Dry Bag Waterproof for Women Men, 5L/10L/20L/30L/40L Roll Top Lightweight Dry Storage Bag Backpack with Phone Case for Travel Swimming Boating Kayaking Paddle Board Camping Beach Accessories

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Current level

602.03 ft

+0.98 ft vs long-term average

0.93 ft above chart datum (LWD)

Status unavailable

A verified operating range is not available for this lake.

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Since last reading

Down 0.03 ft

Latest movement vs prior daily summary — not a rolling 24-hour window

Yesterday

Jul 9

602.08ft

7-day change

Down 0.04 ft

7-day trend: Falling

Net change vs. reading nearest 7 days ago

8 daily readings in the last 7 days · Hover for date and level

30-day change

Up 0.12 ft

Net change vs. reading nearest 30 days ago

31 daily readings in the last 30 days · Hover for date and level

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Gear

Kidde Fire Extinguisher for Boats, Single-Use 5BC

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Water Level History

Elevation (ft) IGLD85 · MSL

Reference line shows the annual long-term average (IGLD 1985). Near-real-time level is a Cleveland + Toledo gauge average — lake-wide coordinated means can differ slightly.

Level breakdown

Long-term avg: 601.05 ft
Chart datum (LWD): 601.1 ft
Current Level: 602.03 ft
Difference: 0.98 ft

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).: IGLD85
Elevation reference: MSL
Source: NOAA / U.S. Army Corps of Engineers (coordinated network)

Level breakdown & datum

Long-term avg: 601.05 ft
Chart datum (LWD): 601.1 ft
Current Level: 602.03 ft
Difference: 0.98 ft

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).: IGLD85
Elevation reference: MSL
Source: NOAA / U.S. Army Corps of Engineers (coordinated network)

Level thresholds

Published elevations from lake operators when provided by the data service.

Flood stageNot available
Full poolNot available
Winter poolNot available

Level thresholds

Published elevations from lake operators when provided by the data service.

Flood stageNot available
Full poolNot available
Winter poolNot available

Watershed drought

Keweenaw County, MI

Abnormally Dry

Worsening

Minor drought conditions are developing.

Severity

NoneExtreme

Official drought: Abnormally dry (D0), not official drought.

Gear & Essentials

· curated for Lake Superior

Kidde Fire Extinguisher for Boats, Single-Use 5BCSafety • BoatingCombats Marine Fires: Stop basic fires common to boats: flammable liquids and gases (Class B) & electrical equipment (Class C)

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7 & 30 day trends