Back issues of water levels bulletin for the Great Lakes and Montréal Harbour

Browse past issues of the monthly water levels for the Great Lakes area and Montréal Harbour.

2022 bulletins

January (PDF, 1.29 MB)
February (PDF, 464 KB)
March (PDF, 464 KB)
April (PDF, 463 KB)
May (PDF, 462 KB)

2021 bulletins

January (PDF, 1.31 MB)
February (PDF, 1.32 MB)
March (PDF, 1.31 MB)
April (PDF, 1.22 MB)
May (PDF, 1.22 MB)
June (PDF, 1.22 MB)
July (PDF, 1.24 MB)
August (PDF, 1.27 MB)
September (PDF, 1.31 MB)
October (PDF, 1.31 MB)
November (PDF, 1.29 MB)
December (PDF, 0.43 MB)

2020 bulletins

January (PDF, 365 KB)
February (PDF, 1.31 MB)
March (PDF, 1.17 MB)
April (PDF, 1.31 MB)
May (PDF, 1.30 MB)
June (PDF, 1.31 MB)
July (PDF, 1.23 MB)
August (PDF, 1.23 MB)
September (PDF, 1.25 MB)
October (PDF, 1.29 MB)
November (PDF, 1.25 MB)
December (PDF, 1.32 MB)

2019 bulletins

January (PDF, 346 KB)
February (PDF, 347 KB)
March (PDF, 366 KB)
April (PDF, 539 KB)
May (PDF, 346 KB)
June (PDF, 539 KB)
July (PDF, 1.10 MB)
August (PDF, 1.11 MB)
September (PDF, 1.12 MB)
October (PDF, 1.11 MB)
November (PDF, 366 KB)
December (PDF, 1.11 MB)

2018 bulletins

January (PDF, 482 KB)
February (PDF, 482 KB)
March (PDF, 482 KB)
April (PDF, 482 KB)
May (PDF, 482 KB)
June (PDF, 501 KB)
July (PDF, 505 KB)
August (PDF, 506 KB)
September (PDF, 505 KB)
October (PDF, 505 KB)
November (PDF, 540 KB)
December (PDF, 540 KB)

2017 bulletins

January (PDF, 584 KB)
February (PDF, 483 KB)
March (PDF, 483 KB)
April (PDF, 483 KB)
May (PDF, 483 KB)
June (PDF, 483 KB)
July (PDF, 483 KB)
August (PDF, 503 KB)
September (PDF, 502 KB)
October (PDF, 483 KB)
November (PDF, 502 KB)
December (PDF, 501 KB)

2016 bulletins

January (PDF, 584 KB)
February (PDF, 625 KB)
March (PDF, 583 KB)
April (PDF, 584 KB)
May (PDF, 584 KB)
June (PDF, 586 KB)
July (PDF, 586 KB)
August (PDF, 587 KB)
September (PDF, 586 KB)
October (PDF, 586 KB)
November (PDF, 586 KB)
December (PDF, 584 KB)

2015 bulletins

January (PDF, 790 KB)
February (PDF, 790 KB)
March (PDF, 798 KB)
April (PDF, 736 KB)
May (PDF, 602 KB)
June (PDF, 602 KB)
July (PDF, 602 KB)
August (PDF, 600 KB)
September (PDF, 607 KB)
October (PDF, 610 KB)
November (PDF, 642 KB)
December (PDF, 598 KB)

2014 bulletins

January (PDF, 795 KB)
February (PDF, 795 KB)
March (PDF, 795 KB)
April (PDF, 795 KB)
May (PDF, 795 KB)
June (PDF, 790 KB)
July (PDF, 840 KB)
August (PDF, 834 KB)
September (PDF, 840 KB)
October (PDF, 834 KB)
November (PDF, 795 KB)
December (PDF, 790 KB)

2013 bulletins

January (PDF, 564 KB)
February (PDF, 836 KB)
March (PDF, 174 KB)
April (PDF, 836 KB)
May (PDF, 174 KB)
June (PDF, 486 KB)
July (PDF, 542 KB)
August (PDF, 541 KB)
September (PDF, 542 KB)
October (PDF, 487 KB)
November (PDF, 543 KB)
December (PDF, 795 KB)

2012 bulletins

January (PDF, 89 KB)
February (PDF, 145 KB)
March (PDF, 146 KB)
April (PDF, 146 KB)
May (PDF, 146 KB)
June (PDF, 146 KB)
July (PDF, 158 KB)
August (PDF, 157 KB)
September (PDF, 445 KB)
October (PDF, 447 KB)
November (PDF, 1.08 MB)
December (PDF, 165 KB)

2011 bulletins

January (PDF, 148 KB)
February (PDF, 148 KB)
March (PDF, 149 KB)
April (PDF, 149 KB)
May (PDF, 150 KB)
June (PDF, 147 KB)
July (PDF, 234 KB)
August (PDF, 146 KB)
September (PDF, 146 KB)
October (PDF, 146 KB)
November (PDF, 146 KB)
December (PDF, 146 KB)

2010 bulletins

January (PDF, 173 KB)
February (PDF, 158 KB)
March (PDF, 159 KB)
April (PDF, 159 KB)
May (PDF, 237 KB)
June (PDF, 149 KB)
July (PDF, 149 KB)
August (PDF, 150 KB)
September (PDF, 149 KB)
October (PDF, 149 KB)
November (PDF, 149 KB)
December (PDF, 149 KB)

2009 bulletins

January (PDF, 166 KB)
February (PDF, 166 KB)
March (PDF, 166 KB)
April (PDF, 161 KB)
May (PDF, 162 KB)
June (PDF, 173 KB)
July (PDF, 173 KB)
August (PDF, 173 KB)
September (PDF, 173 KB)
October (PDF, 173 KB)
November (PDF, 173 KB)
December (PDF, 173 KB)

2008 bulletins

January (PDF, 163 KB)
February (PDF, 163 KB)
March (PDF, 164 KB)
April (PDF, 164 KB)
May (PDF, 164 KB)
June (PDF, 160 KB)
July (PDF, 164 KB)
August (PDF, 164 KB)
September (PDF, 164 KB)
October (PDF, 164 KB)
November (PDF, 164 KB)
December (PDF, 166 KB)

2007 bulletins

January (PDF, 91 KB)
February (PDF, 163 KB)
March (PDF, 164 KB)
April (PDF, 164 KB)
May (PDF, 164 KB)
June (PDF, 164 KB)
July (PDF, 164 KB)
August (PDF, 164 KB)
September (PDF, 164 KB)
October (PDF, 164 KB)
November (PDF, 164 KB)
December (PDF, 164 KB)

2006 bulletins

January (PDF, 169 KB)
February (PDF, 169 KB)
March (PDF, 179 KB)
April (PDF, 179 KB)
May (PDF, 174 KB)
June (PDF, 171 KB)
July (PDF, 173 KB)
August (PDF, 173 KB)
September (PDF, 164 KB)
October (PDF, 173 KB)
November (PDF, 173 KB)
December (PDF, 172 KB)

2005 bulletins

January (PDF, 94 KB)
February (PDF, 151 KB)
March (PDF, 151 KB)
April (PDF, 95 KB)
May (PDF, 95 KB)
June (PDF, 94 KB)
July (PDF, 94 KB)
August (PDF, 94 KB)
September (PDF, 94 KB)
October (PDF, 180 KB)
November (PDF, 169 KB)
December (PDF, 169 KB)

2004 bulletins

January (PDF, 159 KB)
February (PDF, 151 KB)
March (PDF, 163 KB)
April (PDF, 147 KB)
May (PDF, 146 KB)
June (PDF, 151 KB)
July (PDF, 151 KB)
August (PDF, 151 KB)
September (PDF, 152 KB)
October (PDF, 96 KB)
November (PDF, 152 KB)
December (PDF, 152 KB)

2003 bulletins

January (PDF, 152 KB)
February (PDF, 152 KB)
March (PDF, 153 KB)
April (PDF, 144 KB)
May (PDF, 532 KB)
June (PDF, 154 KB)
July (PDF, 154 KB)
August (PDF, 161 KB)
September (PDF, 161 KB)
October (PDF, 161 KB)
November (PDF, 160 KB)
December (PDF, 160 KB)

Contact us

For more information, contact us at:

877-247-5465 (toll-free)
CATCWL@dfo-mpo.gc.ca

Date modified:: 2022-06-08