Ahmic Lake

Normal

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

Low (8.34m)Normal rangeHigh (8.69m)

Current Weather

2d ago

18°C

Humidity 69%

Mainly cloudy

Environment Canada — Burk's Falls - Bayfield Inlet

vs. Last Year

No data available

7-Day Trend

↓Falling

Down 3.4 cm over the past week

-3.4 cm over 7 days

Seasonal Position

38th percentile

Based on 20 years of records

Seasonal Outlook

Typical next 7 days

This lake usually rises slightly over the next week.

Typical next 14 days

Over two weeks, levels typically rises slightly.

Tracking

This year is moving slower than usual.

Based on 20 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.

Fish Consumption Advisories (7 species)

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

⚠Black Crappie

Contaminant	Size	General pop.	Sensitive pop.
Mercury	20-25 cm	16/month	4/month
Mercury	25-30 cm	8/month	Do not eat
Mercury	30-35 cm	4/month	Do not eat

Lake Whitefish

Contaminant	Size	General pop.	Sensitive pop.
	35-40 cm	32/month	—
	30-35 cm	32/month	—
	25-30 cm	32/month	—
Mercury	45-50 cm	—	8/month
Mercury	50-55 cm	—	4/month
Mercury	55-60 cm	—	4/month
Mercury	25-30 cm	—	16/month
Mercury	35-40 cm	—	16/month
Mercury	40-45 cm	—	12/month
Mercury	30-35 cm	—	16/month
Mercury, PCB	45-50 cm	16/month	—
PCB	40-45 cm	16/month	—
PCB	50-55 cm	12/month	—
PCB	55-60 cm	8/month	—

⚠Northern Pike

Contaminant	Size	General pop.	Sensitive pop.
Mercury	70-75 cm	4/month	Do not eat
Mercury	>75 cm	4/month	Do not eat
Mercury	40-45 cm	12/month	4/month
Mercury	45-50 cm	8/month	4/month
Mercury	50-55 cm	8/month	Do not eat
Mercury	55-60 cm	4/month	Do not eat
Mercury	60-65 cm	4/month	Do not eat
Mercury	65-70 cm	4/month	Do not eat

⚠Smallmouth Bass

Contaminant	Size	General pop.	Sensitive pop.
Mercury	40-45 cm	2/month	Do not eat
Mercury	15-20 cm	12/month	4/month
Mercury	20-25 cm	8/month	4/month
Mercury	25-30 cm	8/month	Do not eat
Mercury	30-35 cm	4/month	Do not eat
Mercury	35-40 cm	4/month	Do not eat

⚠Walleye

Contaminant	Size	General pop.	Sensitive pop.
Mercury	70-75 cm	2/month	Do not eat
Mercury	30-35 cm	12/month	4/month
Mercury	35-40 cm	8/month	Do not eat
Mercury	40-45 cm	4/month	Do not eat
Mercury	45-50 cm	4/month	Do not eat
Mercury	50-55 cm	4/month	Do not eat
Mercury	55-60 cm	4/month	Do not eat
Mercury	60-65 cm	2/month	Do not eat
Mercury	65-70 cm	2/month	Do not eat
Mercury	20-25 cm	16/month	8/month
Mercury	25-30 cm	16/month	8/month

White Sucker

Contaminant	Size	General pop.	Sensitive pop.
Mercury	35-40 cm	12/month	4/month
Mercury	40-45 cm	8/month	4/month

⚠Yellow Perch

Contaminant	Size	General pop.	Sensitive pop.
Mercury	25-30 cm	4/month	Do not eat
Mercury	20-25 cm	4/month	Do not eat

Source: Guide to Eating Ontario Fish (2025). Advisory data is updated annually.

Lake Profile

Est. average depth14.7 m

Estimated from HydroLAKES v1.0 (Messager et al., 2016). Modeled geo-statistical estimate, not a direct survey measurement.

Boat Launches (2)

Ahmic Lake - Hwy 124

0.0 kmProvincialParking

Map ↗

Poverty Bay

1.9 kmMunicipalParking

Map ↗

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

Water Level — Last 30 Days

Technical details

Current level: 8.48 m
Reference value: 8.48 m (rolling_6h_mean)
Percentile for date: 38th percentile
Years of record: 20
Source station: AHMIC LAKE NEAR AHMIC HARBOUR (02EA019)
Est. average depth: 14.7 m
Relationship type: direct_lake
Mapping confidence: medium
Today's normal range: 8.47–8.51 m
Same-date historical range: 8.34–8.69 m
30-day change: -3.3 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 02EA019. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.