Country: Canada
United StatesCanadaUnited Kingdom

Lake Manitoba near Westbourne water level history

Daily records since 1964 · Level today: 247.595 m

Highest on record
249.103 m
Jul 11, 2011
Lowest on record
205.545 m
Sep 26, 2026
Today
247.595 m
Oct 23, 2026
Years of data
62
since 1964

In short

Across 52 complete years, 2021 had the lowest average level (247.084 m) and 2011 the highest (248.354 m).

On average the lake is lowest in September (247.390 m) and highest in June (247.607 m).

Lake Manitoba near Westbourne level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

2032152272402521964197219801988199620042012202020261964: lowest 246.99 m (1964-11-16), highest 247.29 m (1964-11-14), average 247.13 m, 66 days measured1965: lowest 247.13 m (1965-06-19), highest 247.67 m (1965-09-04), average 247.27 m, 299 days measured1966: lowest 247.31 m (1966-09-20), highest 247.69 m (1966-06-07), average 247.46 m, 353 days measured1967: lowest 247.14 m (1967-09-10), highest 247.80 m (1967-05-19), average 247.54 m, 284 days measured1968: lowest 247.28 m (1968-11-12), highest 248.20 m (1968-05-17), average 247.53 m, 269 days measured1969: lowest 247.27 m (1969-09-19), highest 247.77 m (1969-06-01), average 247.44 m, 358 days measured1970: lowest 247.22 m (1970-10-26), highest 247.89 m (1970-05-25), average 247.50 m, 331 days measured1971: lowest 247.31 m (1971-09-26), highest 247.78 m (1971-05-17), average 247.55 m, 341 days measured1972: lowest 247.12 m (1972-09-20), highest 247.74 m (1972-05-29), average 247.49 m, 339 days measured1973: lowest 247.22 m (1973-06-04), highest 247.85 m (1973-06-20), average 247.51 m, 361 days measured1974: lowest 247.20 m (1974-08-15), highest 248.04 m (1974-06-15), average 247.57 m, 361 days measured1975: lowest 247.37 m (1975-01-11), highest 247.97 m (1975-10-14), average 247.53 m, 365 days measured1976: lowest 247.09 m (1976-10-04), highest 248.14 m (1976-05-02), average 247.54 m, 362 days measured1977: lowest 247.20 m (1977-11-02), highest 247.99 m (1977-11-20), average 247.49 m, 365 days measured1978: lowest 247.22 m (1978-11-05), highest 247.79 m (1978-06-19), average 247.43 m, 365 days measured1979: lowest 247.35 m (1979-10-26), highest 248.05 m (1979-06-21), average 247.59 m, 365 days measured1980: lowest 247.24 m (1980-06-24), highest 247.89 m (1980-10-17), average 247.45 m, 366 days measured1981: lowest 247.12 m (1981-10-13), highest 247.67 m (1981-05-23), average 247.39 m, 365 days measured1982: lowest 247.07 m (1982-09-29), highest 247.67 m (1982-08-08), average 247.40 m, 311 days measured1983: lowest 247.13 m (1983-11-04), highest 247.80 m (1983-07-04), average 247.45 m, 365 days measured1984: lowest 247.21 m (1984-09-06), highest 248.11 m (1984-04-27), average 247.47 m, 366 days measured1985: lowest 247.34 m (1985-09-21), highest 248.00 m (1985-10-08), average 247.53 m, 342 days measured1986: lowest 247.32 m (1986-10-30), highest 248.33 m (1986-11-08), average 247.54 m, 301 days measured1987: lowest 247.27 m (1987-06-02), highest 247.94 m (1987-10-05), average 247.47 m, 323 days measured1988: lowest 247.16 m (1988-08-22), highest 247.72 m (1988-05-08), average 247.42 m, 366 days measured1989: lowest 247.17 m (1989-11-03), highest 247.99 m (1989-06-12), average 247.44 m, 365 days measured1990: lowest 247.10 m (1990-11-22), highest 247.92 m (1990-06-02), average 247.39 m, 328 days measured1991: lowest 247.14 m (1991-10-22), highest 247.68 m (1991-04-30), average 247.32 m, 365 days measured1992: lowest 247.17 m (1992-11-07), highest 247.61 m (1992-11-03), average 247.33 m, 352 days measured1993: lowest 247.21 m (1993-07-22), highest 247.71 m (1993-10-28), average 247.35 m, 338 days measured1994: lowest 247.21 m (1994-10-29), highest 247.60 m (1994-08-07), average 247.40 m, 353 days measured1995: lowest 247.11 m (1995-08-09), highest 247.98 m (1995-06-06), average 247.54 m, 365 days measured1996: lowest 247.45 m (1996-10-10), highest 248.06 m (1996-07-08), average 247.62 m, 340 days measured1997: lowest 247.34 m (1997-09-16), highest 248.16 m (1997-07-02), average 247.59 m, 331 days measured1998: lowest 247.39 m (1998-09-09), highest 247.85 m (1998-05-06), average 247.58 m, 365 days measured1999: lowest 247.31 m (1999-12-10), highest 247.87 m (1999-05-07), average 247.50 m, 285 days measured2000: lowest 247.11 m (2000-10-28), highest 247.85 m (2000-05-12), average 247.38 m, 352 days measured2001: lowest 247.24 m (2001-10-17), highest 248.21 m (2001-05-22), average 247.55 m, 365 days measured2002: lowest 247.03 m (2002-10-24), highest 247.67 m (2002-06-10), average 247.30 m, 365 days measured2003: lowest 246.86 m (2003-11-01), highest 247.46 m (2003-05-10), average 247.10 m, 365 days measured2004: lowest 246.99 m (2004-01-06), highest 247.61 m (2004-04-01), average 247.20 m, 366 days measured2005: lowest 247.32 m (2005-01-06), highest 248.13 m (2005-10-05), average 247.57 m, 336 days measured2006: lowest 247.25 m (2006-08-31), highest 247.83 m (2006-05-28), average 247.52 m, 365 days measured2007: lowest 247.34 m (2007-11-18), highest 247.85 m (2007-06-07), average 247.52 m, 365 days measured2008: lowest 247.25 m (2008-10-21), highest 247.96 m (2008-11-06), average 247.51 m, 366 days measured2009: lowest 247.28 m (2009-11-21), highest 247.99 m (2009-06-05), average 247.54 m, 361 days measured2010: lowest 247.17 m (2010-05-25), highest 248.08 m (2010-10-27), average 247.57 m, 295 days measured2011: lowest 247.74 m (2011-01-03), highest 249.10 m (2011-07-11), average 248.35 m, 365 days measured2012: lowest 247.41 m (2012-10-02), highest 248.19 m (2012-01-01), average 247.80 m, 366 days measured2013: lowest 247.40 m (2013-04-21), highest 247.93 m (2013-07-26), average 247.59 m, 365 days measured2014: lowest 247.45 m (2014-04-09), highest 248.42 m (2014-08-24), average 247.89 m, 365 days measured2015: lowest 247.34 m (2015-10-03), highest 248.46 m (2015-05-17), average 247.71 m, 365 days measured2016: lowest 247.32 m (2016-09-02), highest 248.00 m (2016-12-07), average 247.51 m, 366 days measured2017: lowest 247.39 m (2017-10-18), highest 248.21 m (2017-05-17), average 247.75 m, 365 days measured2018: lowest 247.14 m (2018-09-08), highest 247.52 m (2018-01-01), average 247.38 m, 354 days measured2019: lowest 247.08 m (2019-08-24), highest 247.93 m (2019-10-11), average 247.36 m, 365 days measured2020: lowest 247.05 m (2020-09-21), highest 247.50 m (2020-05-10), average 247.29 m, 366 days measured2021: lowest 246.78 m (2021-11-16), highest 247.40 m (2021-05-20), average 247.08 m, 365 days measured2022: lowest 246.97 m (2022-01-01), highest 247.98 m (2022-05-31), average 247.45 m, 365 days measured2023: lowest 247.18 m (2023-09-28), highest 247.63 m (2023-04-18), average 247.40 m, 365 days measured2024: lowest 247.10 m (2024-10-05), highest 247.68 m (2024-05-24), average 247.34 m, 366 days measured2025: lowest 246.91 m (2025-10-12), highest 247.89 m (2025-05-16), average 247.24 m, 365 days measured2026: lowest 205.55 m (2026-09-26), highest 247.80 m (2026-10-11), average 243.64 m, 29 days measured
203215227240252196419801996201220261964: lowest 246.99 m (1964-11-16), highest 247.29 m (1964-11-14), average 247.13 m, 66 days measured1965: lowest 247.13 m (1965-06-19), highest 247.67 m (1965-09-04), average 247.27 m, 299 days measured1966: lowest 247.31 m (1966-09-20), highest 247.69 m (1966-06-07), average 247.46 m, 353 days measured1967: lowest 247.14 m (1967-09-10), highest 247.80 m (1967-05-19), average 247.54 m, 284 days measured1968: lowest 247.28 m (1968-11-12), highest 248.20 m (1968-05-17), average 247.53 m, 269 days measured1969: lowest 247.27 m (1969-09-19), highest 247.77 m (1969-06-01), average 247.44 m, 358 days measured1970: lowest 247.22 m (1970-10-26), highest 247.89 m (1970-05-25), average 247.50 m, 331 days measured1971: lowest 247.31 m (1971-09-26), highest 247.78 m (1971-05-17), average 247.55 m, 341 days measured1972: lowest 247.12 m (1972-09-20), highest 247.74 m (1972-05-29), average 247.49 m, 339 days measured1973: lowest 247.22 m (1973-06-04), highest 247.85 m (1973-06-20), average 247.51 m, 361 days measured1974: lowest 247.20 m (1974-08-15), highest 248.04 m (1974-06-15), average 247.57 m, 361 days measured1975: lowest 247.37 m (1975-01-11), highest 247.97 m (1975-10-14), average 247.53 m, 365 days measured1976: lowest 247.09 m (1976-10-04), highest 248.14 m (1976-05-02), average 247.54 m, 362 days measured1977: lowest 247.20 m (1977-11-02), highest 247.99 m (1977-11-20), average 247.49 m, 365 days measured1978: lowest 247.22 m (1978-11-05), highest 247.79 m (1978-06-19), average 247.43 m, 365 days measured1979: lowest 247.35 m (1979-10-26), highest 248.05 m (1979-06-21), average 247.59 m, 365 days measured1980: lowest 247.24 m (1980-06-24), highest 247.89 m (1980-10-17), average 247.45 m, 366 days measured1981: lowest 247.12 m (1981-10-13), highest 247.67 m (1981-05-23), average 247.39 m, 365 days measured1982: lowest 247.07 m (1982-09-29), highest 247.67 m (1982-08-08), average 247.40 m, 311 days measured1983: lowest 247.13 m (1983-11-04), highest 247.80 m (1983-07-04), average 247.45 m, 365 days measured1984: lowest 247.21 m (1984-09-06), highest 248.11 m (1984-04-27), average 247.47 m, 366 days measured1985: lowest 247.34 m (1985-09-21), highest 248.00 m (1985-10-08), average 247.53 m, 342 days measured1986: lowest 247.32 m (1986-10-30), highest 248.33 m (1986-11-08), average 247.54 m, 301 days measured1987: lowest 247.27 m (1987-06-02), highest 247.94 m (1987-10-05), average 247.47 m, 323 days measured1988: lowest 247.16 m (1988-08-22), highest 247.72 m (1988-05-08), average 247.42 m, 366 days measured1989: lowest 247.17 m (1989-11-03), highest 247.99 m (1989-06-12), average 247.44 m, 365 days measured1990: lowest 247.10 m (1990-11-22), highest 247.92 m (1990-06-02), average 247.39 m, 328 days measured1991: lowest 247.14 m (1991-10-22), highest 247.68 m (1991-04-30), average 247.32 m, 365 days measured1992: lowest 247.17 m (1992-11-07), highest 247.61 m (1992-11-03), average 247.33 m, 352 days measured1993: lowest 247.21 m (1993-07-22), highest 247.71 m (1993-10-28), average 247.35 m, 338 days measured1994: lowest 247.21 m (1994-10-29), highest 247.60 m (1994-08-07), average 247.40 m, 353 days measured1995: lowest 247.11 m (1995-08-09), highest 247.98 m (1995-06-06), average 247.54 m, 365 days measured1996: lowest 247.45 m (1996-10-10), highest 248.06 m (1996-07-08), average 247.62 m, 340 days measured1997: lowest 247.34 m (1997-09-16), highest 248.16 m (1997-07-02), average 247.59 m, 331 days measured1998: lowest 247.39 m (1998-09-09), highest 247.85 m (1998-05-06), average 247.58 m, 365 days measured1999: lowest 247.31 m (1999-12-10), highest 247.87 m (1999-05-07), average 247.50 m, 285 days measured2000: lowest 247.11 m (2000-10-28), highest 247.85 m (2000-05-12), average 247.38 m, 352 days measured2001: lowest 247.24 m (2001-10-17), highest 248.21 m (2001-05-22), average 247.55 m, 365 days measured2002: lowest 247.03 m (2002-10-24), highest 247.67 m (2002-06-10), average 247.30 m, 365 days measured2003: lowest 246.86 m (2003-11-01), highest 247.46 m (2003-05-10), average 247.10 m, 365 days measured2004: lowest 246.99 m (2004-01-06), highest 247.61 m (2004-04-01), average 247.20 m, 366 days measured2005: lowest 247.32 m (2005-01-06), highest 248.13 m (2005-10-05), average 247.57 m, 336 days measured2006: lowest 247.25 m (2006-08-31), highest 247.83 m (2006-05-28), average 247.52 m, 365 days measured2007: lowest 247.34 m (2007-11-18), highest 247.85 m (2007-06-07), average 247.52 m, 365 days measured2008: lowest 247.25 m (2008-10-21), highest 247.96 m (2008-11-06), average 247.51 m, 366 days measured2009: lowest 247.28 m (2009-11-21), highest 247.99 m (2009-06-05), average 247.54 m, 361 days measured2010: lowest 247.17 m (2010-05-25), highest 248.08 m (2010-10-27), average 247.57 m, 295 days measured2011: lowest 247.74 m (2011-01-03), highest 249.10 m (2011-07-11), average 248.35 m, 365 days measured2012: lowest 247.41 m (2012-10-02), highest 248.19 m (2012-01-01), average 247.80 m, 366 days measured2013: lowest 247.40 m (2013-04-21), highest 247.93 m (2013-07-26), average 247.59 m, 365 days measured2014: lowest 247.45 m (2014-04-09), highest 248.42 m (2014-08-24), average 247.89 m, 365 days measured2015: lowest 247.34 m (2015-10-03), highest 248.46 m (2015-05-17), average 247.71 m, 365 days measured2016: lowest 247.32 m (2016-09-02), highest 248.00 m (2016-12-07), average 247.51 m, 366 days measured2017: lowest 247.39 m (2017-10-18), highest 248.21 m (2017-05-17), average 247.75 m, 365 days measured2018: lowest 247.14 m (2018-09-08), highest 247.52 m (2018-01-01), average 247.38 m, 354 days measured2019: lowest 247.08 m (2019-08-24), highest 247.93 m (2019-10-11), average 247.36 m, 365 days measured2020: lowest 247.05 m (2020-09-21), highest 247.50 m (2020-05-10), average 247.29 m, 366 days measured2021: lowest 246.78 m (2021-11-16), highest 247.40 m (2021-05-20), average 247.08 m, 365 days measured2022: lowest 246.97 m (2022-01-01), highest 247.98 m (2022-05-31), average 247.45 m, 365 days measured2023: lowest 247.18 m (2023-09-28), highest 247.63 m (2023-04-18), average 247.40 m, 365 days measured2024: lowest 247.10 m (2024-10-05), highest 247.68 m (2024-05-24), average 247.34 m, 366 days measured2025: lowest 246.91 m (2025-10-12), highest 247.89 m (2025-05-16), average 247.24 m, 365 days measured2026: lowest 205.55 m (2026-09-26), highest 247.80 m (2026-10-11), average 243.64 m, 29 days measured
Lowest to highest that yearYear average2026 so far

One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.

Lowest years

Years ranked by their lowest daily level.

  • 2021246.778 m on Nov 16
  • 2003246.863 m on Nov 1
  • 2025246.913 m on Oct 12
  • 2022246.967 m on Jan 1
  • 2004246.989 m on Jan 6

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (29 days)243.643205.545Sep 26247.798Oct 11
2025247.245246.913Oct 12247.895May 16
2024247.335247.098Oct 5247.676May 24
2023247.403247.182Sep 28247.631Apr 18
2022247.451246.967Jan 1247.975May 31
2021247.084246.778Nov 16247.400May 20
2020247.285247.053Sep 21247.499May 10
2019247.363247.081Aug 24247.929Oct 11
2018247.378247.138Sep 8247.523Jan 1
2017247.749247.391Oct 18248.212May 17
2016247.506247.317Sep 2247.996Dec 7
2015247.709247.338Oct 3248.459May 17
2014247.895247.451Apr 9248.423Aug 24
2013247.588247.398Apr 21247.926Jul 26
2012247.795247.406Oct 2248.193Jan 1
2011248.354247.739Jan 3249.103Jul 11
2010 (295 days)247.565247.165May 25248.078Oct 27
2009247.540247.280Nov 21247.992Jun 5
2008247.511247.249Oct 21247.960Nov 6
2007247.524247.343Nov 18247.849Jun 7
2006247.515247.254Aug 31247.827May 28
2005247.575247.318Jan 6248.133Oct 5
2004247.204246.989Jan 6247.609Apr 1
2003247.098246.863Nov 1247.457May 10
2002247.302247.031Oct 24247.671Jun 10
2001247.549247.244Oct 17248.213May 22
2000247.383247.114Oct 28247.852May 12
1999 (285 days)247.500247.315Dec 10247.866May 7
1998247.583247.387Sep 9247.853May 6
1997247.586247.337Sep 16248.157Jul 2
1996247.615247.447Oct 10248.061Jul 8
1995247.543247.113Aug 9247.982Jun 6
1994247.402247.214Oct 29247.604Aug 7
1993247.347247.208Jul 22247.709Oct 28
1992247.330247.166Nov 7247.605Nov 3
1991247.325247.138Oct 22247.677Apr 30
1990 (328 days)247.392247.097Nov 22247.918Jun 2
1989247.438247.174Nov 3247.992Jun 12
1988247.423247.156Aug 22247.724May 8
1987 (323 days)247.465247.265Jun 2247.936Oct 5
1986 (301 days)247.540247.323Oct 30248.327Nov 8
1985247.526247.341Sep 21248.003Oct 8
1984247.467247.207Sep 6248.106Apr 27
1983247.451247.126Nov 4247.803Jul 4
1982 (311 days)247.401247.073Sep 29247.675Aug 8
1981247.389247.118Oct 13247.669May 23
1980247.448247.239Jun 24247.888Oct 17
1979247.594247.348Oct 26248.049Jun 21
1978247.435247.223Nov 5247.790Jun 19
1977247.486247.202Nov 2247.985Nov 20
1976247.545247.092Oct 4248.141May 2
1975247.525247.370Jan 11247.967Oct 14
1974247.566247.202Aug 15248.043Jun 15
1973247.513247.217Jun 4247.848Jun 20
1972247.495247.123Sep 20247.744May 29
1971247.550247.312Sep 26247.778May 17
1970247.503247.223Oct 26247.894May 25
1969247.435247.272Sep 19247.766Jun 1
1968 (269 days)247.526247.278Nov 12248.202May 17
1967 (284 days)247.538247.138Sep 10247.796May 19
1966247.462247.309Sep 20247.687Jun 7
1965 (299 days)247.265247.126Jun 19247.674Sep 4
1964 (66 days)247.134246.989Nov 16247.287Nov 14

Levels in metres. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January247.427246.967248.193
February247.427247.007248.084
March247.423247.016247.972
April247.480247.070248.201
May247.589247.046249.002
June247.607246.999249.087
July247.576246.994249.103
August247.503246.920248.994
September247.390205.545248.848
October247.445246.806248.684
November247.433246.778248.517
December247.423246.959248.354

Download

Daily levels as CSV (21,474 rows; credit the original agencies listed below)