Cavan Lake

Normal

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

Low (804.77m)Normal rangeHigh (809.93m)

Current Weather

2d ago

22°CSunny

Wind S 23 km/h

Humidity 41%

Sunny

Environment Canada — Medicine Hat - Bow Island - Suffield

vs. Last Year

No data available

7-Day Trend

→Stable

Changed less than 2.0 cm over the past week

-0.5 cm over 7 days

Seasonal Position

28th percentile

Based on 21 years of records

Seasonal Outlook

Typical next 7 days

This lake usually drops slightly over the next week.

Typical next 14 days

Over two weeks, levels typically drops moderately.

Tracking

This year is moving faster than usual.

Based on 21 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.

Lake Profile

Est. average depth2.4 m

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

Water Level — Last 30 Days

Technical details

Current level: 805.45 m
Reference value: 805.45 m (rolling_6h_mean)
Percentile for date: 28th percentile
Years of record: 21
Source station: CAVAN LAKE NEAR DUNMORE (05AH048)
Est. average depth: 2.4 m
Relationship type: direct_lake
Mapping confidence: medium
Today's normal range: 805.35–807.83 m
Same-date historical range: 804.77–809.93 m
30-day change: -14.1 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 05AH048. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.