Altawan
NormalWater level is right where you'd expect for mid-September and holding steady.
Low (889.78m)Normal rangeHigh (899.82m)
Current Weather
2d ago12°C
Wind NNE 20 km/h
Humidity 91%
A mix of sun and cloud
Environment Canada — Shaunavon - Maple Creek - Val Marie - Cypress Hills
vs. Last Year
No data available
7-Day Trend
→Stable
Changed less than 2.0 cm over the past week
-0.7 cm over 7 days
Seasonal Position
67th percentile
Based on 62 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 tracking near the seasonal norm.
Based on 58 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.
Water Level — Last 30 Days
Technical details
- Current level
- 897.89 m
- Reference value
- 897.89 m (rolling_6h_mean)
- Percentile for date
- 67th percentile
- Years of record
- 62
- Source station
- ALTAWAN RESERVOIR NEAR GOVENLOCK (11AB089)
- Est. average depth
- —
- Relationship type
- direct_lake
- Mapping confidence
- medium
- Today's normal range
- 894.05–898.19 m
- Same-date historical range
- 889.78–899.82 m
- 30-day change
- -9.6 cm
- Data confidence
- medium
- Observed at
- Sep 20, 2026
- Last snapshot
- Sep 20, 2026
Data source: ECCC Water Office — Station 11AB089. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.