LakeScout
Satellite view of Lake Nipissing

Lake Nipissing

Normal

Water level is right where you'd expect for mid-September and falling.

Low (5.01m)Normal rangeHigh (5.98m)

Current Weather

2d ago
13°CCloudy
Wind NNW 22 km/h
Humidity 63%

Chance of showers

Environment Canada — North Bay - West Nipissing

vs. Last Year

No data available

7-Day Trend

↓Falling

Down 4.4 cm over the past week

-4.4 cm over 7 days

Seasonal Position

59th percentile

Based on 92 years of records

Seasonal Outlook

Typical next 7 days

This lake usually holds steady over the next week.

Typical next 14 days

Over two weeks, levels typically holds steady.

Tracking

This year is moving slower than usual.

Based on 92 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.

Fish Consumption Advisories (14 species)

The following consumption advisories are in effect for fish caught in Lake Nipissing.

Brown Bullhead
ContaminantSizeGeneral pop.Sensitive pop.
20-25 cm32/month—
25-30 cm32/month—
30-35 cm32/month—
Mercury30-35 cm—16/month
Mercury25-30 cm—16/month
Mercury20-25 cm—16/month
⚠Burbot (Ling)
ContaminantSizeGeneral pop.Sensitive pop.
20-25 cm32/month32/month
25-30 cm32/month—
30-35 cm32/month—
Mercury25-30 cm—16/month
Mercury40-45 cm16/month12/month
Mercury65-70 cm12/month4/month
Mercury60-65 cm16/month4/month
Mercury55-60 cm16/month8/month
Mercury>75 cm4/monthDo not eat
Mercury70-75 cm8/month4/month
Mercury50-55 cm16/month8/month
Mercury45-50 cm16/month8/month
Mercury35-40 cm16/month12/month
Mercury30-35 cm—16/month
Cisco (Lake Herring)
ContaminantSizeGeneral pop.Sensitive pop.
15-20 cm32/month32/month
20-25 cm32/month32/month
30-35 cm32/month—
25-30 cm32/month—
Mercury30-35 cm—16/month
Mercury25-30 cm—16/month
Mercury35-40 cm16/month12/month
⚠Freshwater Drum
ContaminantSizeGeneral pop.Sensitive pop.
35-40 cm32/month—
Mercury60-65 cmDo not eatDo not eat
Mercury45-50 cm8/month4/month
Mercury50-55 cm4/monthDo not eat
Mercury55-60 cm4/monthDo not eat
Mercury35-40 cm—8/month
Mercury40-45 cm16/month4/month
⚠Lake Whitefish
ContaminantSizeGeneral pop.Sensitive pop.
25-30 cm32/month32/month
30-35 cm32/month32/month
35-40 cm32/month—
Dioxins/Furans60-65 cm2/monthDo not eat
Mercury35-40 cm—16/month
PCB55-60 cm4/month4/month
PCB45-50 cm8/month8/month
PCB50-55 cm8/month8/month
PCB, PFAS40-45 cm16/month16/month
⚠Muskellunge
ContaminantSizeGeneral pop.Sensitive pop.
Mercury65-70 cm12/month4/month
Mercury70-75 cm12/month4/month
Mercury>75 cm4/monthDo not eat
Mercury60-65 cm16/month4/month
Mercury55-60 cm16/month8/month
⚠Northern Pike
ContaminantSizeGeneral pop.Sensitive pop.
35-40 cm32/month—
30-35 cm32/month—
25-30 cm32/month—
Mercury60-65 cm12/month4/month
Mercury55-60 cm16/month4/month
Mercury50-55 cm16/month4/month
Mercury45-50 cm16/month8/month
Mercury40-45 cm16/month12/month
Mercury>75 cm4/monthDo not eat
Mercury70-75 cm8/month4/month
Mercury65-70 cm12/month4/month
Mercury25-30 cm—16/month
Mercury30-35 cm—16/month
Mercury35-40 cm—16/month
Rainbow Smelt
ContaminantSizeGeneral pop.Sensitive pop.
15-20 cm32/month—
Mercury15-20 cm—16/month
⚠Rock Bass
ContaminantSizeGeneral pop.Sensitive pop.
Mercury15-20 cm16/month4/month
Mercury20-25 cm8/monthDo not eat
Smallmouth Bass
ContaminantSizeGeneral pop.Sensitive pop.
Mercury35-40 cm12/month4/month
Mercury25-30 cm16/month4/month
Mercury30-35 cm12/month4/month
Mercury40-45 cm—4/month
Mercury50-55 cm8/month4/month
Mercury45-50 cm—4/month
Mercury15-20 cm16/month8/month
Mercury20-25 cm16/month8/month
Mercury, PFAS45-50 cm8/month—
Mercury, PFAS40-45 cm8/month—
⚠Walleye
ContaminantSizeGeneral pop.Sensitive pop.
15-20 cm32/month—
Mercury15-20 cm—12/month
Mercury20-25 cm16/month8/month
Mercury25-30 cm16/month8/month
Mercury30-35 cm16/month8/month
Mercury35-40 cm16/month4/month
Mercury40-45 cm12/month4/month
Mercury45-50 cm8/month4/month
Mercury50-55 cm4/monthDo not eat
Mercury55-60 cm4/monthDo not eat
Mercury60-65 cm4/monthDo not eat
Mercury65-70 cm4/monthDo not eat
Mercury70-75 cm4/monthDo not eat
⚠White Bass
ContaminantSizeGeneral pop.Sensitive pop.
Mercury25-30 cm12/month4/month
Mercury30-35 cm4/monthDo not eat
White Sucker
ContaminantSizeGeneral pop.Sensitive pop.
30-35 cm32/month—
20-25 cm32/month32/month
25-30 cm32/month32/month
35-40 cm32/month—
Mercury40-45 cm16/month12/month
Mercury45-50 cm16/month8/month
Mercury30-35 cm—16/month
Mercury35-40 cm—16/month
⚠Yellow Perch
ContaminantSizeGeneral pop.Sensitive pop.
Mercury15-20 cm16/month8/month
Mercury25-30 cm8/month4/month
Mercury20-25 cm16/month4/month
Mercury30-35 cm8/monthDo not eat
Source: Guide to Eating Ontario Fish (2025). Advisory data is updated annually.
Boat Launches (2)
Waterfront Marina
0.3 kmMunicipalParking
Map ↗
Armstrong Park
4.9 kmMunicipalParking
Map ↗

Source: Ontario MNR Fishing Access Points. Verify conditions before visiting.

Water Level — Last 30 Days

Technical details
Current level
5.75 m
Reference value
5.75 m (rolling_6h_mean)
Percentile for date
59th percentile
Years of record
92
Source station
LAKE NIPISSING AT NORTH BAY (02DD006)
Est. average depth
—
Relationship type
direct_lake
Mapping confidence
medium
Today's normal range
5.61–5.81 m
Same-date historical range
5.01–5.98 m
30-day change
+4.4 cm
Data confidence
medium
Observed at
Sep 20, 2026
Last snapshot
Sep 20, 2026

Data source: ECCC Water Office — Station 02DD006. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.