Grosse Île - Mine Seleine (01988)

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Station Information

Code: 01988

Province: Quebec

Location: 47.610739, -61.560078

Type: Temporary

Operational: False

Owner: Canadian Hydrographic Service

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7 Day and Hourly Tides

7 day and hourly prediction tide tables provide predicted times and heights of the high and low waters. More info

Print Annual predictions

2023-03-28 (Tue)
Time ADT	Height (m)	Height (ft)
04:56	0.9	2.9
08:02	0.8	2.7
13:30	1	3.4
22:12	0.5	1.6

2023-03-29 (Wed)
Time ADT	Height (m)	Height (ft)
06:05	0.9	2.8
08:18	0.8	2.7
13:44	1	3.2
23:13	0.5	1.7

2023-03-30 (Thu)
Time ADT	Height (m)	Height (ft)
07:07	0.9	2.8
08:43	0.8	2.8
14:15	1	3.2

2023-03-31 (Fri)
Time ADT	Height (m)	Height (ft)
00:24	0.5	1.7
16:37	1	3.2

2023-04-01 (Sat)
Time ADT	Height (m)	Height (ft)
01:57	0.5	1.6
09:29	0.9	3
12:32	0.9	2.9
17:56	1	3.4

2023-04-02 (Sun)
Time ADT	Height (m)	Height (ft)
02:58	0.5	1.5
09:56	1	3.1
13:30	0.9	2.9
18:58	1.1	3.5

2023-04-03 (Mon)
Time ADT	Height (m)	Height (ft)
03:34	0.4	1.4
10:18	1	3.3
14:26	0.8	2.8
19:57	1.1	3.6

Hourly Predictions (m)
Event Date	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
2023-03-28		0.7	0.8	0.8	0.9	0.9	0.9	0.8	0.8	0.8	0.9	1	1	1	1	1	0.9	0.9	0.8	0.7	0.6	0.5	0.5	0.5
2023-03-29	0.5	0.6	0.7	0.8	0.8	0.8	0.9	0.8	0.8	0.8	0.9	0.9	1	1	1	1	0.9	0.9	0.8	0.8	0.7	0.6	0.5	0.5
2023-03-30	0.5	0.6	0.6	0.7	0.7	0.8	0.8	0.9	0.9	0.8	0.9	0.9	0.9	0.9	1	1	1	0.9	0.9	0.8	0.8	0.7	0.6	0.6
2023-03-31	0.5	0.5	0.6	0.6	0.6	0.7	0.8	0.9	0.9	0.9	0.9	0.9	0.9	0.9	1	1	1	1	1	0.9	0.9	0.8	0.7	0.6
2023-04-01	0.6	0.5	0.5	0.5	0.6	0.6	0.7	0.8	0.9	0.9	0.9	0.9	0.9	0.9	0.9	1	1	1	1	1	1	0.9	0.8	0.7
2023-04-02	0.6	0.5	0.5	0.5	0.5	0.5	0.6	0.8	0.9	0.9	1	0.9	0.9	0.9	0.9	0.9	1	1	1.1	1.1	1.1	1	0.9	0.8
2023-04-03	0.7	0.6	0.5	0.4	0.4	0.5	0.6	0.7	0.8	0.9	1	1	0.9	0.9	0.8	0.9	0.9	1	1	1.1	1.1	1.1	1	0.9
2023-04-04	0.8

Predictions

Estimation of past, present and future water levels. More info

Predictions
Event Date	Predictions (m)
2023-03-27 15:15 ADT	0.967
2023-03-27 15:30 ADT	0.949
2023-03-27 15:45 ADT	0.928
2023-03-27 16:00 ADT	0.907
2023-03-27 16:15 ADT	0.883
2023-03-27 16:30 ADT	0.857
2023-03-27 16:45 ADT	0.829
2023-03-27 17:00 ADT	0.799
2023-03-27 17:15 ADT	0.767
2023-03-27 17:30 ADT	0.735
2023-03-27 17:45 ADT	0.702
2023-03-27 18:00 ADT	0.67
2023-03-27 18:15 ADT	0.639
2023-03-27 18:30 ADT	0.609
2023-03-27 18:45 ADT	0.582
2023-03-27 19:00 ADT	0.557
2023-03-27 19:15 ADT	0.534
2023-03-27 19:30 ADT	0.514
2023-03-27 19:45 ADT	0.497
2023-03-27 20:00 ADT	0.482
2023-03-27 20:15 ADT	0.47
2023-03-27 20:30 ADT	0.461
2023-03-27 20:45 ADT	0.455
2023-03-27 21:00 ADT	0.451
2023-03-27 21:15 ADT	0.451
2023-03-27 21:30 ADT	0.454
2023-03-27 21:45 ADT	0.459
2023-03-27 22:00 ADT	0.466
2023-03-27 22:15 ADT	0.476
2023-03-27 22:30 ADT	0.487
2023-03-27 22:45 ADT	0.501
2023-03-27 23:00 ADT	0.516
2023-03-27 23:15 ADT	0.534
2023-03-27 23:30 ADT	0.554
2023-03-27 23:45 ADT	0.577
2023-03-28 00:00 ADT	0.603
2023-03-28 00:15 ADT	0.63
2023-03-28 00:30 ADT	0.659
2023-03-28 00:45 ADT	0.688
2023-03-28 01:00 ADT	0.717
2023-03-28 01:15 ADT	0.744
2023-03-28 01:30 ADT	0.769
2023-03-28 01:45 ADT	0.79
2023-03-28 02:00 ADT	0.808
2023-03-28 02:15 ADT	0.822
2023-03-28 02:30 ADT	0.833
2023-03-28 02:45 ADT	0.842
2023-03-28 03:00 ADT	0.849
2023-03-28 03:15 ADT	0.855
2023-03-28 03:30 ADT	0.861
2023-03-28 03:45 ADT	0.867
2023-03-28 04:00 ADT	0.873
2023-03-28 04:15 ADT	0.878
2023-03-28 04:30 ADT	0.882
2023-03-28 04:45 ADT	0.885
2023-03-28 05:00 ADT	0.885
2023-03-28 05:15 ADT	0.884
2023-03-28 05:30 ADT	0.88
2023-03-28 05:45 ADT	0.874
2023-03-28 06:00 ADT	0.866
2023-03-28 06:15 ADT	0.859
2023-03-28 06:30 ADT	0.851
2023-03-28 06:45 ADT	0.843
2023-03-28 07:00 ADT	0.837
2023-03-28 07:15 ADT	0.831
2023-03-28 07:30 ADT	0.828
2023-03-28 07:45 ADT	0.825
2023-03-28 08:00 ADT	0.824
2023-03-28 08:15 ADT	0.825
2023-03-28 08:30 ADT	0.827
2023-03-28 08:45 ADT	0.831
2023-03-28 09:00 ADT	0.837
2023-03-28 09:15 ADT	0.846
2023-03-28 09:30 ADT	0.856
2023-03-28 09:45 ADT	0.869
2023-03-28 10:00 ADT	0.884
2023-03-28 10:15 ADT	0.901
2023-03-28 10:30 ADT	0.918
2023-03-28 10:45 ADT	0.935
2023-03-28 11:00 ADT	0.951
2023-03-28 11:15 ADT	0.967
2023-03-28 11:30 ADT	0.98
2023-03-28 11:45 ADT	0.992
2023-03-28 12:00 ADT	1.001
2023-03-28 12:15 ADT	1.01
2023-03-28 12:30 ADT	1.016
2023-03-28 12:45 ADT	1.021
2023-03-28 13:00 ADT	1.025
2023-03-28 13:15 ADT	1.028
2023-03-28 13:30 ADT	1.028
2023-03-28 13:45 ADT	1.027
2023-03-28 14:00 ADT	1.024
2023-03-28 14:15 ADT	1.019
2023-03-28 14:30 ADT	1.012
2023-03-28 14:45 ADT	1.003
2023-03-28 15:00 ADT	0.992
2023-03-28 15:15 ADT	0.98
2023-03-28 15:30 ADT	0.967
2023-03-28 15:45 ADT	0.953
2023-03-28 16:00 ADT	0.938
2023-03-28 16:15 ADT	0.922
2023-03-28 16:30 ADT	0.905
2023-03-28 16:45 ADT	0.887
2023-03-28 17:00 ADT	0.867
2023-03-28 17:15 ADT	0.844
2023-03-28 17:30 ADT	0.82
2023-03-28 17:45 ADT	0.794
2023-03-28 18:00 ADT	0.766
2023-03-28 18:15 ADT	0.738
2023-03-28 18:30 ADT	0.71
2023-03-28 18:45 ADT	0.683
2023-03-28 19:00 ADT	0.657
2023-03-28 19:15 ADT	0.632
2023-03-28 19:30 ADT	0.61
2023-03-28 19:45 ADT	0.589
2023-03-28 20:00 ADT	0.57
2023-03-28 20:15 ADT	0.553
2023-03-28 20:30 ADT	0.538
2023-03-28 20:45 ADT	0.524
2023-03-28 21:00 ADT	0.511
2023-03-28 21:15 ADT	0.501
2023-03-28 21:30 ADT	0.492
2023-03-28 21:45 ADT	0.486
2023-03-28 22:00 ADT	0.483
2023-03-28 22:15 ADT	0.482
2023-03-28 22:30 ADT	0.484
2023-03-28 22:45 ADT	0.488
2023-03-28 23:00 ADT	0.495
2023-03-28 23:15 ADT	0.503
2023-03-28 23:30 ADT	0.514
2023-03-28 23:45 ADT	0.526
2023-03-29 00:00 ADT	0.541
2023-03-29 00:15 ADT	0.556
2023-03-29 00:30 ADT	0.574
2023-03-29 00:45 ADT	0.593
2023-03-29 01:00 ADT	0.614
2023-03-29 01:15 ADT	0.635
2023-03-29 01:30 ADT	0.657
2023-03-29 01:45 ADT	0.678
2023-03-29 02:00 ADT	0.698
2023-03-29 02:15 ADT	0.716
2023-03-29 02:30 ADT	0.733
2023-03-29 02:45 ADT	0.747
2023-03-29 03:00 ADT	0.758
2023-03-29 03:15 ADT	0.769
2023-03-29 03:30 ADT	0.778
2023-03-29 03:45 ADT	0.787
2023-03-29 04:00 ADT	0.796
2023-03-29 04:15 ADT	0.805
2023-03-29 04:30 ADT	0.815
2023-03-29 04:45 ADT	0.825
2023-03-29 05:00 ADT	0.835
2023-03-29 05:15 ADT	0.843
2023-03-29 05:30 ADT	0.85
2023-03-29 05:45 ADT	0.855
2023-03-29 06:00 ADT	0.857
2023-03-29 06:15 ADT	0.856
2023-03-29 06:30 ADT	0.854
2023-03-29 06:45 ADT	0.85
2023-03-29 07:00 ADT	0.845
2023-03-29 07:15 ADT	0.841
2023-03-29 07:30 ADT	0.836
2023-03-29 07:45 ADT	0.833
2023-03-29 08:00 ADT	0.831
2023-03-29 08:15 ADT	0.83
2023-03-29 08:30 ADT	0.831
2023-03-29 08:45 ADT	0.832
2023-03-29 09:00 ADT	0.834
2023-03-29 09:15 ADT	0.837
2023-03-29 09:30 ADT	0.841
2023-03-29 09:45 ADT	0.847
2023-03-29 10:00 ADT	0.854
2023-03-29 10:15 ADT	0.863
2023-03-29 10:30 ADT	0.874
2023-03-29 10:45 ADT	0.886
2023-03-29 11:00 ADT	0.9
2023-03-29 11:15 ADT	0.914
2023-03-29 11:30 ADT	0.929
2023-03-29 11:45 ADT	0.942
2023-03-29 12:00 ADT	0.954
2023-03-29 12:15 ADT	0.965
2023-03-29 12:30 ADT	0.973
2023-03-29 12:45 ADT	0.979
2023-03-29 13:00 ADT	0.983
2023-03-29 13:15 ADT	0.986
2023-03-29 13:30 ADT	0.987
2023-03-29 13:45 ADT	0.988
2023-03-29 14:00 ADT	0.987
2023-03-29 14:15 ADT	0.986
2023-03-29 14:30 ADT	0.984
2023-03-29 14:45 ADT	0.98
2023-03-29 15:00 ADT	0.976
2023-03-29 15:15 ADT	0.97
2023-03-29 15:30 ADT	0.963
2023-03-29 15:45 ADT	0.955
2023-03-29 16:00 ADT	0.946
2023-03-29 16:15 ADT	0.936
2023-03-29 16:30 ADT	0.926
2023-03-29 16:45 ADT	0.914
2023-03-29 17:00 ADT	0.902
2023-03-29 17:15 ADT	0.889
2023-03-29 17:30 ADT	0.874
2023-03-29 17:45 ADT	0.857
2023-03-29 18:00 ADT	0.839
2023-03-29 18:15 ADT	0.819
2023-03-29 18:30 ADT	0.797
2023-03-29 18:45 ADT	0.774
2023-03-29 19:00 ADT	0.75
2023-03-29 19:15 ADT	0.727
2023-03-29 19:30 ADT	0.704
2023-03-29 19:45 ADT	0.683
2023-03-29 20:00 ADT	0.662
2023-03-29 20:15 ADT	0.644
2023-03-29 20:30 ADT	0.627
2023-03-29 20:45 ADT	0.611
2023-03-29 21:00 ADT	0.596
2023-03-29 21:15 ADT	0.581
2023-03-29 21:30 ADT	0.568
2023-03-29 21:45 ADT	0.555
2023-03-29 22:00 ADT	0.543
2023-03-29 22:15 ADT	0.533
2023-03-29 22:30 ADT	0.524
2023-03-29 22:45 ADT	0.518
2023-03-29 23:00 ADT	0.515
2023-03-29 23:15 ADT	0.514
2023-03-29 23:30 ADT	0.515
2023-03-29 23:45 ADT	0.519
2023-03-30 00:00 ADT	0.525
2023-03-30 00:15 ADT	0.532
2023-03-30 00:30 ADT	0.541
2023-03-30 00:45 ADT	0.551
2023-03-30 01:00 ADT	0.562
2023-03-30 01:15 ADT	0.574
2023-03-30 01:30 ADT	0.587
2023-03-30 01:45 ADT	0.6
2023-03-30 02:00 ADT	0.615
2023-03-30 02:15 ADT	0.63
2023-03-30 02:30 ADT	0.645
2023-03-30 02:45 ADT	0.661
2023-03-30 03:00 ADT	0.675
2023-03-30 03:15 ADT	0.689
2023-03-30 03:30 ADT	0.702
2023-03-30 03:45 ADT	0.715
2023-03-30 04:00 ADT	0.727
2023-03-30 04:15 ADT	0.739
2023-03-30 04:30 ADT	0.752
2023-03-30 04:45 ADT	0.765
2023-03-30 05:00 ADT	0.779
2023-03-30 05:15 ADT	0.793
2023-03-30 05:30 ADT	0.808
2023-03-30 05:45 ADT	0.822
2023-03-30 06:00 ADT	0.834
2023-03-30 06:15 ADT	0.844
2023-03-30 06:30 ADT	0.852
2023-03-30 06:45 ADT	0.857
2023-03-30 07:00 ADT	0.86
2023-03-30 07:15 ADT	0.86
2023-03-30 07:30 ADT	0.858
2023-03-30 07:45 ADT	0.855
2023-03-30 08:00 ADT	0.853
2023-03-30 08:15 ADT	0.85
2023-03-30 08:30 ADT	0.849
2023-03-30 08:45 ADT	0.849
2023-03-30 09:00 ADT	0.849
2023-03-30 09:15 ADT	0.85
2023-03-30 09:30 ADT	0.852
2023-03-30 09:45 ADT	0.854
2023-03-30 10:00 ADT	0.856
2023-03-30 10:15 ADT	0.859
2023-03-30 10:30 ADT	0.862
2023-03-30 10:45 ADT	0.866
2023-03-30 11:00 ADT	0.871
2023-03-30 11:15 ADT	0.878
2023-03-30 11:30 ADT	0.887
2023-03-30 11:45 ADT	0.897
2023-03-30 12:00 ADT	0.908
2023-03-30 12:15 ADT	0.919
2023-03-30 12:30 ADT	0.93
2023-03-30 12:45 ADT	0.94
2023-03-30 13:00 ADT	0.949
2023-03-30 13:15 ADT	0.955
2023-03-30 13:30 ADT	0.96
2023-03-30 13:45 ADT	0.963
2023-03-30 14:00 ADT	0.964
2023-03-30 14:15 ADT	0.965
2023-03-30 14:30 ADT	0.964
2023-03-30 14:45 ADT	0.964
2023-03-30 15:00 ADT	0.963
2023-03-30 15:15 ADT	0.962
2023-03-30 15:30 ADT	0.96
2023-03-30 15:45 ADT	0.958
2023-03-30 16:00 ADT	0.955
2023-03-30 16:15 ADT	0.95
2023-03-30 16:30 ADT	0.945
2023-03-30 16:45 ADT	0.94
2023-03-30 17:00 ADT	0.933
2023-03-30 17:15 ADT	0.925
2023-03-30 17:30 ADT	0.916
2023-03-30 17:45 ADT	0.907
2023-03-30 18:00 ADT	0.896
2023-03-30 18:15 ADT	0.884
2023-03-30 18:30 ADT	0.87
2023-03-30 18:45 ADT	0.854
2023-03-30 19:00 ADT	0.836
2023-03-30 19:15 ADT	0.817
2023-03-30 19:30 ADT	0.797
2023-03-30 19:45 ADT	0.776
2023-03-30 20:00 ADT	0.755
2023-03-30 20:15 ADT	0.734
2023-03-30 20:30 ADT	0.714
2023-03-30 20:45 ADT	0.696
2023-03-30 21:00 ADT	0.678
2023-03-30 21:15 ADT	0.662
2023-03-30 21:30 ADT	0.646
2023-03-30 21:45 ADT	0.631
2023-03-30 22:00 ADT	0.616
2023-03-30 22:15 ADT	0.602
2023-03-30 22:30 ADT	0.587
2023-03-30 22:45 ADT	0.573
2023-03-30 23:00 ADT	0.56
2023-03-30 23:15 ADT	0.549
2023-03-30 23:30 ADT	0.539
2023-03-30 23:45 ADT	0.532
2023-03-31 00:00 ADT	0.527
2023-03-31 00:15 ADT	0.525
2023-03-31 00:30 ADT	0.524
2023-03-31 00:45 ADT	0.526
2023-03-31 01:00 ADT	0.529
2023-03-31 01:15 ADT	0.533
2023-03-31 01:30 ADT	0.539
2023-03-31 01:45 ADT	0.545
2023-03-31 02:00 ADT	0.551
2023-03-31 02:15 ADT	0.559
2023-03-31 02:30 ADT	0.568
2023-03-31 02:45 ADT	0.578
2023-03-31 03:00 ADT	0.59
2023-03-31 03:15 ADT	0.602
2023-03-31 03:30 ADT	0.616
2023-03-31 03:45 ADT	0.631
2023-03-31 04:00 ADT	0.646
2023-03-31 04:15 ADT	0.662
2023-03-31 04:30 ADT	0.679
2023-03-31 04:45 ADT	0.695
2023-03-31 05:00 ADT	0.713
2023-03-31 05:15 ADT	0.731
2023-03-31 05:30 ADT	0.749
2023-03-31 05:45 ADT	0.768
2023-03-31 06:00 ADT	0.787
2023-03-31 06:15 ADT	0.806
2023-03-31 06:30 ADT	0.824
2023-03-31 06:45 ADT	0.84
2023-03-31 07:00 ADT	0.854
2023-03-31 07:15 ADT	0.865
2023-03-31 07:30 ADT	0.873
2023-03-31 07:45 ADT	0.878
2023-03-31 08:00 ADT	0.881
2023-03-31 08:15 ADT	0.881
2023-03-31 08:30 ADT	0.881
2023-03-31 08:45 ADT	0.88
2023-03-31 09:00 ADT	0.879
2023-03-31 09:15 ADT	0.879
2023-03-31 09:30 ADT	0.88
2023-03-31 09:45 ADT	0.881
2023-03-31 10:00 ADT	0.882
2023-03-31 10:15 ADT	0.883
2023-03-31 10:30 ADT	0.883
2023-03-31 10:45 ADT	0.883
2023-03-31 11:00 ADT	0.883
2023-03-31 11:15 ADT	0.883
2023-03-31 11:30 ADT	0.884
2023-03-31 11:45 ADT	0.885
2023-03-31 12:00 ADT	0.889
2023-03-31 12:15 ADT	0.894
2023-03-31 12:30 ADT	0.902
2023-03-31 12:45 ADT	0.91
2023-03-31 13:00 ADT	0.92
2023-03-31 13:15 ADT	0.931
2023-03-31 13:30 ADT	0.94
2023-03-31 13:45 ADT	0.949
2023-03-31 14:00 ADT	0.956
2023-03-31 14:15 ADT	0.962
2023-03-31 14:30 ADT	0.966
2023-03-31 14:45 ADT	0.969
2023-03-31 15:00 ADT	0.971
2023-03-31 15:15 ADT	0.972
2023-03-31 15:30 ADT	0.973
2023-03-31 15:45 ADT	0.975
2023-03-31 16:00 ADT	0.976
2023-03-31 16:15 ADT	0.977
2023-03-31 16:30 ADT	0.978
2023-03-31 16:45 ADT	0.978
2023-03-31 17:00 ADT	0.977
2023-03-31 17:15 ADT	0.975
2023-03-31 17:30 ADT	0.971
2023-03-31 17:45 ADT	0.966
2023-03-31 18:00 ADT	0.96
2023-03-31 18:15 ADT	0.953
2023-03-31 18:30 ADT	0.944
2023-03-31 18:45 ADT	0.934
2023-03-31 19:00 ADT	0.923
2023-03-31 19:15 ADT	0.909
2023-03-31 19:30 ADT	0.894
2023-03-31 19:45 ADT	0.876
2023-03-31 20:00 ADT	0.857
2023-03-31 20:15 ADT	0.836
2023-03-31 20:30 ADT	0.815
2023-03-31 20:45 ADT	0.793
2023-03-31 21:00 ADT	0.771
2023-03-31 21:15 ADT	0.75
2023-03-31 21:30 ADT	0.729
2023-03-31 21:45 ADT	0.71
2023-03-31 22:00 ADT	0.691
2023-03-31 22:15 ADT	0.674
2023-03-31 22:30 ADT	0.656
2023-03-31 22:45 ADT	0.639
2023-03-31 23:00 ADT	0.621
2023-03-31 23:15 ADT	0.603
2023-03-31 23:30 ADT	0.586
2023-03-31 23:45 ADT	0.569
2023-04-01 00:00 ADT	0.553
2023-04-01 00:15 ADT	0.539
2023-04-01 00:30 ADT	0.526
2023-04-01 00:45 ADT	0.516
2023-04-01 01:00 ADT	0.508
2023-04-01 01:15 ADT	0.503
2023-04-01 01:30 ADT	0.499
2023-04-01 01:45 ADT	0.497
2023-04-01 02:00 ADT	0.497
2023-04-01 02:15 ADT	0.498
2023-04-01 02:30 ADT	0.5
2023-04-01 02:45 ADT	0.504
2023-04-01 03:00 ADT	0.509
2023-04-01 03:15 ADT	0.516
2023-04-01 03:30 ADT	0.526
2023-04-01 03:45 ADT	0.538
2023-04-01 04:00 ADT	0.552
2023-04-01 04:15 ADT	0.568
2023-04-01 04:30 ADT	0.587
2023-04-01 04:45 ADT	0.607
2023-04-01 05:00 ADT	0.628
2023-04-01 05:15 ADT	0.65
2023-04-01 05:30 ADT	0.673
2023-04-01 05:45 ADT	0.696
2023-04-01 06:00 ADT	0.72
2023-04-01 06:15 ADT	0.744
2023-04-01 06:30 ADT	0.768
2023-04-01 06:45 ADT	0.792
2023-04-01 07:00 ADT	0.815
2023-04-01 07:15 ADT	0.836
2023-04-01 07:30 ADT	0.856
2023-04-01 07:45 ADT	0.874
2023-04-01 08:00 ADT	0.888
2023-04-01 08:15 ADT	0.899
2023-04-01 08:30 ADT	0.907
2023-04-01 08:45 ADT	0.912
2023-04-01 09:00 ADT	0.915
2023-04-01 09:15 ADT	0.916
2023-04-01 09:30 ADT	0.916
2023-04-01 09:45 ADT	0.916
2023-04-01 10:00 ADT	0.916
2023-04-01 10:15 ADT	0.916
2023-04-01 10:30 ADT	0.915
2023-04-01 10:45 ADT	0.915
2023-04-01 11:00 ADT	0.913
2023-04-01 11:15 ADT	0.911
2023-04-01 11:30 ADT	0.909
2023-04-01 11:45 ADT	0.905
2023-04-01 12:00 ADT	0.902
2023-04-01 12:15 ADT	0.9
2023-04-01 12:30 ADT	0.898
2023-04-01 12:45 ADT	0.899
2023-04-01 13:00 ADT	0.902
2023-04-01 13:15 ADT	0.908
2023-04-01 13:30 ADT	0.916
2023-04-01 13:45 ADT	0.926
2023-04-01 14:00 ADT	0.937
2023-04-01 14:15 ADT	0.948
2023-04-01 14:30 ADT	0.958
2023-04-01 14:45 ADT	0.968
2023-04-01 15:00 ADT	0.976
2023-04-01 15:15 ADT	0.983
2023-04-01 15:30 ADT	0.989
2023-04-01 15:45 ADT	0.994
2023-04-01 16:00 ADT	0.998
2023-04-01 16:15 ADT	1.003
2023-04-01 16:30 ADT	1.008
2023-04-01 16:45 ADT	1.013
2023-04-01 17:00 ADT	1.018
2023-04-01 17:15 ADT	1.022
2023-04-01 17:30 ADT	1.026
2023-04-01 17:45 ADT	1.028
2023-04-01 18:00 ADT	1.028
2023-04-01 18:15 ADT	1.027
2023-04-01 18:30 ADT	1.023
2023-04-01 18:45 ADT	1.018
2023-04-01 19:00 ADT	1.011
2023-04-01 19:15 ADT	1.002
2023-04-01 19:30 ADT	0.991
2023-04-01 19:45 ADT	0.978
2023-04-01 20:00 ADT	0.963
2023-04-01 20:15 ADT	0.946
2023-04-01 20:30 ADT	0.927
2023-04-01 20:45 ADT	0.906
2023-04-01 21:00 ADT	0.883
2023-04-01 21:15 ADT	0.859
2023-04-01 21:30 ADT	0.834
2023-04-01 21:45 ADT	0.81
2023-04-01 22:00 ADT	0.785
2023-04-01 22:15 ADT	0.761
2023-04-01 22:30 ADT	0.739
2023-04-01 22:45 ADT	0.717
2023-04-01 23:00 ADT	0.695
2023-04-01 23:15 ADT	0.674
2023-04-01 23:30 ADT	0.653
2023-04-01 23:45 ADT	0.632
2023-04-02 00:00 ADT	0.61
2023-04-02 00:15 ADT	0.589
2023-04-02 00:30 ADT	0.567
2023-04-02 00:45 ADT	0.546
2023-04-02 01:00 ADT	0.526
2023-04-02 01:15 ADT	0.508
2023-04-02 01:30 ADT	0.492
2023-04-02 01:45 ADT	0.479
2023-04-02 02:00 ADT	0.469
2023-04-02 02:15 ADT	0.461
2023-04-02 02:30 ADT	0.455
2023-04-02 02:45 ADT	0.452
2023-04-02 03:00 ADT	0.451
2023-04-02 03:15 ADT	0.453
2023-04-02 03:30 ADT	0.456
2023-04-02 03:45 ADT	0.463
2023-04-02 04:00 ADT	0.472
2023-04-02 04:15 ADT	0.485
2023-04-02 04:30 ADT	0.501
2023-04-02 04:45 ADT	0.52
2023-04-02 05:00 ADT	0.541
2023-04-02 05:15 ADT	0.565
2023-04-02 05:30 ADT	0.591
2023-04-02 05:45 ADT	0.618
2023-04-02 06:00 ADT	0.646
2023-04-02 06:15 ADT	0.675
2023-04-02 06:30 ADT	0.703
2023-04-02 06:45 ADT	0.732
2023-04-02 07:00 ADT	0.76
2023-04-02 07:15 ADT	0.787
2023-04-02 07:30 ADT	0.814
2023-04-02 07:45 ADT	0.84
2023-04-02 08:00 ADT	0.864
2023-04-02 08:15 ADT	0.887
2023-04-02 08:30 ADT	0.906
2023-04-02 08:45 ADT	0.923
2023-04-02 09:00 ADT	0.936
2023-04-02 09:15 ADT	0.945
2023-04-02 09:30 ADT	0.951
2023-04-02 09:45 ADT	0.954
2023-04-02 10:00 ADT	0.954
2023-04-02 10:15 ADT	0.953
2023-04-02 10:30 ADT	0.95
2023-04-02 10:45 ADT	0.947
2023-04-02 11:00 ADT	0.943
2023-04-02 11:15 ADT	0.939
2023-04-02 11:30 ADT	0.934
2023-04-02 11:45 ADT	0.928
2023-04-02 12:00 ADT	0.922
2023-04-02 12:15 ADT	0.915
2023-04-02 12:30 ADT	0.908
2023-04-02 12:45 ADT	0.901
2023-04-02 13:00 ADT	0.895
2023-04-02 13:15 ADT	0.892
2023-04-02 13:30 ADT	0.89
2023-04-02 13:45 ADT	0.892
2023-04-02 14:00 ADT	0.896
2023-04-02 14:15 ADT	0.904
2023-04-02 14:30 ADT	0.914
2023-04-02 14:45 ADT	0.925
2023-04-02 15:00 ADT	0.938
2023-04-02 15:15 ADT	0.95
2023-04-02 15:30 ADT	0.962
2023-04-02 15:45 ADT	0.973
2023-04-02 16:00 ADT	0.983
2023-04-02 16:15 ADT	0.992
2023-04-02 16:30 ADT	1.001
2023-04-02 16:45 ADT	1.01
2023-04-02 17:00 ADT	1.019
2023-04-02 17:15 ADT	1.029
2023-04-02 17:30 ADT	1.038
2023-04-02 17:45 ADT	1.048
2023-04-02 18:00 ADT	1.057
2023-04-02 18:15 ADT	1.064
2023-04-02 18:30 ADT	1.07
2023-04-02 18:45 ADT	1.074
2023-04-02 19:00 ADT	1.075
2023-04-02 19:15 ADT	1.073
2023-04-02 19:30 ADT	1.069
2023-04-02 19:45 ADT	1.062
2023-04-02 20:00 ADT	1.052
2023-04-02 20:15 ADT	1.041
2023-04-02 20:30 ADT	1.027
2023-04-02 20:45 ADT	1.01
2023-04-02 21:00 ADT	0.992
2023-04-02 21:15 ADT	0.972
2023-04-02 21:30 ADT	0.949
2023-04-02 21:45 ADT	0.925
2023-04-02 22:00 ADT	0.899
2023-04-02 22:15 ADT	0.873
2023-04-02 22:30 ADT	0.846
2023-04-02 22:45 ADT	0.819
2023-04-02 23:00 ADT	0.793
2023-04-02 23:15 ADT	0.768
2023-04-02 23:30 ADT	0.743
2023-04-02 23:45 ADT	0.719
2023-04-03 00:00 ADT	0.695
2023-04-03 00:15 ADT	0.671
2023-04-03 00:30 ADT	0.646
2023-04-03 00:45 ADT	0.621
2023-04-03 01:00 ADT	0.596
2023-04-03 01:15 ADT	0.57
2023-04-03 01:30 ADT	0.545
2023-04-03 01:45 ADT	0.521
2023-04-03 02:00 ADT	0.499
2023-04-03 02:15 ADT	0.48
2023-04-03 02:30 ADT	0.464
2023-04-03 02:45 ADT	0.451
2023-04-03 03:00 ADT	0.441
2023-04-03 03:15 ADT	0.435
2023-04-03 03:30 ADT	0.433
2023-04-03 03:45 ADT	0.434
2023-04-03 04:00 ADT	0.438
2023-04-03 04:15 ADT	0.445
2023-04-03 04:30 ADT	0.456
2023-04-03 04:45 ADT	0.47
2023-04-03 05:00 ADT	0.488
2023-04-03 05:15 ADT	0.509
2023-04-03 05:30 ADT	0.534
2023-04-03 05:45 ADT	0.561
2023-04-03 06:00 ADT	0.591
2023-04-03 06:15 ADT	0.622
2023-04-03 06:30 ADT	0.653
2023-04-03 06:45 ADT	0.686
2023-04-03 07:00 ADT	0.717
2023-04-03 07:15 ADT	0.749
2023-04-03 07:30 ADT	0.779
2023-04-03 07:45 ADT	0.809
2023-04-03 08:00 ADT	0.837
2023-04-03 08:15 ADT	0.865
2023-04-03 08:30 ADT	0.891
2023-04-03 08:45 ADT	0.915
2023-04-03 09:00 ADT	0.937
2023-04-03 09:15 ADT	0.955
2023-04-03 09:30 ADT	0.97
2023-04-03 09:45 ADT	0.982
2023-04-03 10:00 ADT	0.989
2023-04-03 10:15 ADT	0.991
2023-04-03 10:30 ADT	0.99
2023-04-03 10:45 ADT	0.986
2023-04-03 11:00 ADT	0.979
2023-04-03 11:15 ADT	0.97
2023-04-03 11:30 ADT	0.96
2023-04-03 11:45 ADT	0.949
2023-04-03 12:00 ADT	0.937
2023-04-03 12:15 ADT	0.925
2023-04-03 12:30 ADT	0.913
2023-04-03 12:45 ADT	0.9
2023-04-03 13:00 ADT	0.888
2023-04-03 13:15 ADT	0.876
2023-04-03 13:30 ADT	0.864
2023-04-03 13:45 ADT	0.855
2023-04-03 14:00 ADT	0.848
2023-04-03 14:15 ADT	0.844
2023-04-03 14:30 ADT	0.843
2023-04-03 14:45 ADT	0.846
2023-04-03 15:00 ADT	0.852

Heights

Height of tide is the vertical distance between the surface of the sea and chart datum.

Heights - Relative to chart datum
ID	Height(m)	Date
Lower Low Water Mean Tide	0.53	N/A
High Water Level	1.09	N/A
Higher High Water Mean Tide	1.17	N/A
Low Water Level	0.62	N/A
Highest Astronomical Tide	1.63	N/A
Mean Water Level	0.85	N/A
Lowest Astronomical Tide	0.3	N/A
Lower Low Water Large Tide	0.36	N/A
Higher High Water Large Tide	1.53	N/A

Datums

Chart datum is the plane of vertical reference to which all charted depths and drying heights are related. More info

Datum Conversion
Vertical Datum	Offset (m)
CGVD28	-0.69

The information contained in this product is established under the CD datum. The CHS does not establish and maintain other vertical datums such as CGVD28, CGVD2013, IGLD (1955) and IGLD (1985). References to these datums represent the best available information, to be used with caution and sound judgment where required, but it is not intended to be used for navigation.

Benchmarks

Benchmark Number	Condition	Established	Latitude	Longitude	Unique Label	More Info
1-1983	GOOD	1983	47.61042	-61.559637	83L9520	More Info
2-1983	GOOD	1983	47.61056	-61.559891	83L9521	More Info
3-1983	GOOD	1983	47.61072	-61.559891	83L9522	More Info
40053	GOOD	1998	47.608514	-61.556553	8329146	More Info
79KZ116	GOOD	1983	47.61863	-61.555069	79KZ116	More Info
85L9208	GOOD	1985	47.61133	-61.56087	85L9208	More Info

Date modified:: 2023-03-28

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Grosse Île - Mine Seleine - 01988

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