Lac Lyster
No dataInsufficient data for gauge
Current Weather
2d ago12°C
Wind S 10 km/h
Humidity 100%
A few showers
Environment Canada — Eastern Townships
vs. Last Year
No data available
7-Day Trend
No trend data
Seasonal Position
—
Seasonal Outlook
Typical next 7 days
This lake usually drops slightly over the next week.
Typical next 14 days
Over two weeks, levels typically rises slightly.
Based on 17 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.
Fish Consumption Advisories (1 species)
The following consumption advisories are in effect for fish caught in Lac Lyster.
Touladi
| Contaminant | Size | General pop. | Sensitive pop. |
|---|---|---|---|
| Mercure | 45–55 cm | 8/month | — |
| Mercure | 55–70 cm | 4/month | — |
| Mercure | 70+ cm | 4/month | — |
Source: Guide de consommation du poisson (MELCCFP) (2025). Advisory data is updated annually.
Lake Profile
Est. average depth11.9 m
Estimated from HydroLAKES v1.0 (Messager et al., 2016). Modeled geo-statistical estimate, not a direct survey measurement.
Water Level — Last 30 Days
No recent readings
Technical details
- Current level
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- Reference value
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- Percentile for date
- —
- Years of record
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- Source station
- LYSTER (LAC) AU BARRAGE A COATICOOK (02OE073)
- Est. average depth
- 11.9 m
- Relationship type
- direct_lake
- Mapping confidence
- medium
- Today's normal range
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- Same-date historical range
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- 30-day change
- —
- Data confidence
- —
- Observed at
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- Last snapshot
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Data source: ECCC Water Office — Station 02OE073. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.