Portage Reservoir

Higher than usual

Water level is higher than usual for mid-September and falling.

Low (260.10m)Normal rangeHigh (264.87m)

Current Weather

Sep 20

15°C

Wind NNE 11 km/h

Humidity 60%

A mix of sun and cloud

Environment Canada — Portage la Prairie - Headingley - Brunkild - Carman

vs. Last Year

No data available

7-Day Trend

↓Falling

Down 11.4 cm over the past week

-11.4 cm over 7 days

Seasonal Position

88th percentile

Based on 55 years of records

Seasonal Outlook

Typical next 7 days

This lake usually drops noticeably over the next week.

Typical next 14 days

Over two weeks, levels typically drops noticeably.

Tracking

This year is moving faster than usual.

Based on 27 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.

Lake Profile

Est. average depth8.9 m

Source: Manitoba Waterbody Data. Provincial average depth estimate.

Water Level — Last 30 Days

Technical details

Current level: 264.53 m
Reference value: 264.53 m (rolling_6h_mean)
Percentile for date: 88th percentile
Years of record: 55
Source station: PORTAGE RESERVOIR NEAR PORTAGE LA PRAIRIE (05MJ006)
Est. average depth: 8.9 m
Relationship type: direct_lake
Mapping confidence: medium
Today's normal range: 263.39–264.26 m
Same-date historical range: 260.10–264.87 m
30-day change: +20.2 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 05MJ006. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.