Old-Harry (01986)

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Station Information

Code: 01986

Province: Quebec

Location: 47.570755, -61.467094

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

2023-12-02 (Sat)
Time AST	Height (m)	Height (ft)
05:26	0.3	1
13:37	0.9	3.1
17:53	0.8	2.7
22:32	1	3.1

2023-12-03 (Sun)
Time AST	Height (m)	Height (ft)
06:13	0.4	1.3
14:36	0.9	3.1
19:08	0.9	2.8
23:17	0.9	3.1

2023-12-04 (Mon)
Time AST	Height (m)	Height (ft)
07:11	0.5	1.6
15:26	1	3.2
20:10	0.9	2.8

2023-12-05 (Tue)
Time AST	Height (m)	Height (ft)
00:18	0.9	3.1
08:10	0.6	1.9
16:04	1	3.2
21:14	0.8	2.7

2023-12-06 (Wed)
Time AST	Height (m)	Height (ft)
01:51	0.9	3
09:02	0.7	2.2
16:33	1	3.3
22:13	0.8	2.5

2023-12-07 (Thu)
Time AST	Height (m)	Height (ft)
04:10	0.9	3
09:55	0.7	2.4
16:56	1	3.3
22:59	0.7	2.3

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
2023-12-02	0.9	0.8	0.6	0.5	0.4	0.3	0.3	0.3	0.4	0.6	0.7	0.8	0.9	0.9	0.9	0.9	0.9	0.8	0.8	0.8	0.9	0.9	1	1
2023-12-03	0.9	0.8	0.8	0.6	0.5	0.4	0.4	0.4	0.4	0.5	0.6	0.8	0.8	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9
2023-12-04	0.9	0.9	0.8	0.8	0.7	0.6	0.5	0.5	0.5	0.5	0.6	0.7	0.8	0.9	0.9	1	1	0.9	0.9	0.9	0.9	0.9	0.9	0.9
2023-12-05	0.9	0.9	0.9	0.9	0.8	0.7	0.6	0.6	0.6	0.6	0.6	0.7	0.8	0.9	0.9	1	1	1	0.9	0.9	0.8	0.8	0.8	0.8
2023-12-06	0.9	0.9	0.9	0.9	0.9	0.8	0.8	0.7	0.7	0.7	0.7	0.7	0.8	0.8	0.9	0.9	1	1	0.9	0.9	0.8	0.8	0.8	0.8
2023-12-07	0.8	0.8	0.9	0.9	0.9	0.9	0.9	0.8	0.8	0.7	0.7	0.8	0.8	0.8	0.9	0.9	1	1	1	0.9	0.8	0.8	0.7	0.7
2023-12-08	0.7	0.7	0.8	0.8	0.9	0.9	0.9	0.9	0.9	0.8	0.8	0.8	0.8	0.8	0.9	0.9	1	1	1	0.9	0.9	0.8	0.7	0.6

Predictions

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

Predictions
Event Date	Predictions (m)
2023-12-01 00:45 AST	0.686
2023-12-01 01:00 AST	0.649
2023-12-01 01:15 AST	0.609
2023-12-01 01:30 AST	0.568
2023-12-01 01:45 AST	0.525
2023-12-01 02:00 AST	0.483
2023-12-01 02:15 AST	0.442
2023-12-01 02:30 AST	0.402
2023-12-01 02:45 AST	0.366
2023-12-01 03:00 AST	0.333
2023-12-01 03:15 AST	0.304
2023-12-01 03:30 AST	0.279
2023-12-01 03:45 AST	0.26
2023-12-01 04:00 AST	0.245
2023-12-01 04:15 AST	0.235
2023-12-01 04:30 AST	0.229
2023-12-01 04:45 AST	0.228
2023-12-01 05:00 AST	0.23
2023-12-01 05:15 AST	0.234
2023-12-01 05:30 AST	0.241
2023-12-01 05:45 AST	0.25
2023-12-01 06:00 AST	0.261
2023-12-01 06:15 AST	0.275
2023-12-01 06:30 AST	0.291
2023-12-01 06:45 AST	0.311
2023-12-01 07:00 AST	0.334
2023-12-01 07:15 AST	0.362
2023-12-01 07:30 AST	0.394
2023-12-01 07:45 AST	0.431
2023-12-01 08:00 AST	0.471
2023-12-01 08:15 AST	0.514
2023-12-01 08:30 AST	0.558
2023-12-01 08:45 AST	0.602
2023-12-01 09:00 AST	0.644
2023-12-01 09:15 AST	0.684
2023-12-01 09:30 AST	0.72
2023-12-01 09:45 AST	0.753
2023-12-01 10:00 AST	0.782
2023-12-01 10:15 AST	0.807
2023-12-01 10:30 AST	0.829
2023-12-01 10:45 AST	0.849
2023-12-01 11:00 AST	0.867
2023-12-01 11:15 AST	0.884
2023-12-01 11:30 AST	0.899
2023-12-01 11:45 AST	0.912
2023-12-01 12:00 AST	0.923
2023-12-01 12:15 AST	0.931
2023-12-01 12:30 AST	0.935
2023-12-01 12:45 AST	0.936
2023-12-01 13:00 AST	0.934
2023-12-01 13:15 AST	0.927
2023-12-01 13:30 AST	0.918
2023-12-01 13:45 AST	0.906
2023-12-01 14:00 AST	0.892
2023-12-01 14:15 AST	0.877
2023-12-01 14:30 AST	0.862
2023-12-01 14:45 AST	0.848
2023-12-01 15:00 AST	0.835
2023-12-01 15:15 AST	0.823
2023-12-01 15:30 AST	0.814
2023-12-01 15:45 AST	0.806
2023-12-01 16:00 AST	0.8
2023-12-01 16:15 AST	0.797
2023-12-01 16:30 AST	0.795
2023-12-01 16:45 AST	0.795
2023-12-01 17:00 AST	0.796
2023-12-01 17:15 AST	0.799
2023-12-01 17:30 AST	0.801
2023-12-01 17:45 AST	0.805
2023-12-01 18:00 AST	0.808
2023-12-01 18:15 AST	0.812
2023-12-01 18:30 AST	0.815
2023-12-01 18:45 AST	0.82
2023-12-01 19:00 AST	0.826
2023-12-01 19:15 AST	0.833
2023-12-01 19:30 AST	0.842
2023-12-01 19:45 AST	0.854
2023-12-01 20:00 AST	0.868
2023-12-01 20:15 AST	0.884
2023-12-01 20:30 AST	0.901
2023-12-01 20:45 AST	0.919
2023-12-01 21:00 AST	0.935
2023-12-01 21:15 AST	0.949
2023-12-01 21:30 AST	0.959
2023-12-01 21:45 AST	0.964
2023-12-01 22:00 AST	0.965
2023-12-01 22:15 AST	0.961
2023-12-01 22:30 AST	0.952
2023-12-01 22:45 AST	0.94
2023-12-01 23:00 AST	0.925
2023-12-01 23:15 AST	0.908
2023-12-01 23:30 AST	0.89
2023-12-01 23:45 AST	0.871
2023-12-02 00:00 AST	0.851
2023-12-02 00:15 AST	0.831
2023-12-02 00:30 AST	0.81
2023-12-02 00:45 AST	0.786
2023-12-02 01:00 AST	0.76
2023-12-02 01:15 AST	0.732
2023-12-02 01:30 AST	0.7
2023-12-02 01:45 AST	0.665
2023-12-02 02:00 AST	0.628
2023-12-02 02:15 AST	0.59
2023-12-02 02:30 AST	0.551
2023-12-02 02:45 AST	0.512
2023-12-02 03:00 AST	0.475
2023-12-02 03:15 AST	0.44
2023-12-02 03:30 AST	0.408
2023-12-02 03:45 AST	0.379
2023-12-02 04:00 AST	0.355
2023-12-02 04:15 AST	0.335
2023-12-02 04:30 AST	0.32
2023-12-02 04:45 AST	0.308
2023-12-02 05:00 AST	0.301
2023-12-02 05:15 AST	0.297
2023-12-02 05:30 AST	0.297
2023-12-02 05:45 AST	0.299
2023-12-02 06:00 AST	0.303
2023-12-02 06:15 AST	0.309
2023-12-02 06:30 AST	0.318
2023-12-02 06:45 AST	0.328
2023-12-02 07:00 AST	0.34
2023-12-02 07:15 AST	0.355
2023-12-02 07:30 AST	0.373
2023-12-02 07:45 AST	0.394
2023-12-02 08:00 AST	0.42
2023-12-02 08:15 AST	0.449
2023-12-02 08:30 AST	0.482
2023-12-02 08:45 AST	0.519
2023-12-02 09:00 AST	0.557
2023-12-02 09:15 AST	0.596
2023-12-02 09:30 AST	0.635
2023-12-02 09:45 AST	0.673
2023-12-02 10:00 AST	0.708
2023-12-02 10:15 AST	0.739
2023-12-02 10:30 AST	0.767
2023-12-02 10:45 AST	0.791
2023-12-02 11:00 AST	0.812
2023-12-02 11:15 AST	0.831
2023-12-02 11:30 AST	0.847
2023-12-02 11:45 AST	0.863
2023-12-02 12:00 AST	0.877
2023-12-02 12:15 AST	0.891
2023-12-02 12:30 AST	0.903
2023-12-02 12:45 AST	0.914
2023-12-02 13:00 AST	0.923
2023-12-02 13:15 AST	0.929
2023-12-02 13:30 AST	0.932
2023-12-02 13:45 AST	0.932
2023-12-02 14:00 AST	0.929
2023-12-02 14:15 AST	0.923
2023-12-02 14:30 AST	0.915
2023-12-02 14:45 AST	0.906
2023-12-02 15:00 AST	0.895
2023-12-02 15:15 AST	0.885
2023-12-02 15:30 AST	0.875
2023-12-02 15:45 AST	0.866
2023-12-02 16:00 AST	0.858
2023-12-02 16:15 AST	0.851
2023-12-02 16:30 AST	0.845
2023-12-02 16:45 AST	0.84
2023-12-02 17:00 AST	0.837
2023-12-02 17:15 AST	0.834
2023-12-02 17:30 AST	0.832
2023-12-02 17:45 AST	0.832
2023-12-02 18:00 AST	0.832
2023-12-02 18:15 AST	0.832
2023-12-02 18:30 AST	0.834
2023-12-02 18:45 AST	0.836
2023-12-02 19:00 AST	0.838
2023-12-02 19:15 AST	0.841
2023-12-02 19:30 AST	0.846
2023-12-02 19:45 AST	0.851
2023-12-02 20:00 AST	0.858
2023-12-02 20:15 AST	0.866
2023-12-02 20:30 AST	0.877
2023-12-02 20:45 AST	0.888
2023-12-02 21:00 AST	0.902
2023-12-02 21:15 AST	0.915
2023-12-02 21:30 AST	0.929
2023-12-02 21:45 AST	0.941
2023-12-02 22:00 AST	0.951
2023-12-02 22:15 AST	0.957
2023-12-02 22:30 AST	0.96
2023-12-02 22:45 AST	0.958
2023-12-02 23:00 AST	0.953
2023-12-02 23:15 AST	0.944
2023-12-02 23:30 AST	0.933
2023-12-02 23:45 AST	0.919
2023-12-03 00:00 AST	0.905
2023-12-03 00:15 AST	0.89
2023-12-03 00:30 AST	0.875
2023-12-03 00:45 AST	0.859
2023-12-03 01:00 AST	0.843
2023-12-03 01:15 AST	0.825
2023-12-03 01:30 AST	0.805
2023-12-03 01:45 AST	0.783
2023-12-03 02:00 AST	0.758
2023-12-03 02:15 AST	0.729
2023-12-03 02:30 AST	0.698
2023-12-03 02:45 AST	0.665
2023-12-03 03:00 AST	0.63
2023-12-03 03:15 AST	0.596
2023-12-03 03:30 AST	0.562
2023-12-03 03:45 AST	0.53
2023-12-03 04:00 AST	0.501
2023-12-03 04:15 AST	0.474
2023-12-03 04:30 AST	0.452
2023-12-03 04:45 AST	0.433
2023-12-03 05:00 AST	0.418
2023-12-03 05:15 AST	0.406
2023-12-03 05:30 AST	0.398
2023-12-03 05:45 AST	0.392
2023-12-03 06:00 AST	0.389
2023-12-03 06:15 AST	0.388
2023-12-03 06:30 AST	0.389
2023-12-03 06:45 AST	0.392
2023-12-03 07:00 AST	0.397
2023-12-03 07:15 AST	0.404
2023-12-03 07:30 AST	0.412
2023-12-03 07:45 AST	0.423
2023-12-03 08:00 AST	0.436
2023-12-03 08:15 AST	0.452
2023-12-03 08:30 AST	0.472
2023-12-03 08:45 AST	0.494
2023-12-03 09:00 AST	0.52
2023-12-03 09:15 AST	0.55
2023-12-03 09:30 AST	0.581
2023-12-03 09:45 AST	0.614
2023-12-03 10:00 AST	0.648
2023-12-03 10:15 AST	0.68
2023-12-03 10:30 AST	0.712
2023-12-03 10:45 AST	0.74
2023-12-03 11:00 AST	0.766
2023-12-03 11:15 AST	0.788
2023-12-03 11:30 AST	0.808
2023-12-03 11:45 AST	0.824
2023-12-03 12:00 AST	0.839
2023-12-03 12:15 AST	0.853
2023-12-03 12:30 AST	0.867
2023-12-03 12:45 AST	0.88
2023-12-03 13:00 AST	0.893
2023-12-03 13:15 AST	0.905
2023-12-03 13:30 AST	0.917
2023-12-03 13:45 AST	0.927
2023-12-03 14:00 AST	0.935
2023-12-03 14:15 AST	0.941
2023-12-03 14:30 AST	0.943
2023-12-03 14:45 AST	0.943
2023-12-03 15:00 AST	0.94
2023-12-03 15:15 AST	0.935
2023-12-03 15:30 AST	0.928
2023-12-03 15:45 AST	0.92
2023-12-03 16:00 AST	0.912
2023-12-03 16:15 AST	0.904
2023-12-03 16:30 AST	0.897
2023-12-03 16:45 AST	0.89
2023-12-03 17:00 AST	0.883
2023-12-03 17:15 AST	0.877
2023-12-03 17:30 AST	0.871
2023-12-03 17:45 AST	0.866
2023-12-03 18:00 AST	0.861
2023-12-03 18:15 AST	0.857
2023-12-03 18:30 AST	0.854
2023-12-03 18:45 AST	0.852
2023-12-03 19:00 AST	0.851
2023-12-03 19:15 AST	0.851
2023-12-03 19:30 AST	0.852
2023-12-03 19:45 AST	0.854
2023-12-03 20:00 AST	0.857
2023-12-03 20:15 AST	0.861
2023-12-03 20:30 AST	0.866
2023-12-03 20:45 AST	0.872
2023-12-03 21:00 AST	0.879
2023-12-03 21:15 AST	0.887
2023-12-03 21:30 AST	0.896
2023-12-03 21:45 AST	0.906
2023-12-03 22:00 AST	0.916
2023-12-03 22:15 AST	0.926
2023-12-03 22:30 AST	0.935
2023-12-03 22:45 AST	0.942
2023-12-03 23:00 AST	0.947
2023-12-03 23:15 AST	0.949
2023-12-03 23:30 AST	0.948
2023-12-03 23:45 AST	0.944
2023-12-04 00:00 AST	0.937
2023-12-04 00:15 AST	0.929
2023-12-04 00:30 AST	0.919
2023-12-04 00:45 AST	0.909
2023-12-04 01:00 AST	0.898
2023-12-04 01:15 AST	0.887
2023-12-04 01:30 AST	0.875
2023-12-04 01:45 AST	0.863
2023-12-04 02:00 AST	0.849
2023-12-04 02:15 AST	0.833
2023-12-04 02:30 AST	0.814
2023-12-04 02:45 AST	0.793
2023-12-04 03:00 AST	0.768
2023-12-04 03:15 AST	0.742
2023-12-04 03:30 AST	0.713
2023-12-04 03:45 AST	0.684
2023-12-04 04:00 AST	0.655
2023-12-04 04:15 AST	0.628
2023-12-04 04:30 AST	0.602
2023-12-04 04:45 AST	0.579
2023-12-04 05:00 AST	0.559
2023-12-04 05:15 AST	0.542
2023-12-04 05:30 AST	0.528
2023-12-04 05:45 AST	0.516
2023-12-04 06:00 AST	0.507
2023-12-04 06:15 AST	0.5
2023-12-04 06:30 AST	0.495
2023-12-04 06:45 AST	0.491
2023-12-04 07:00 AST	0.489
2023-12-04 07:15 AST	0.489
2023-12-04 07:30 AST	0.49
2023-12-04 07:45 AST	0.493
2023-12-04 08:00 AST	0.498
2023-12-04 08:15 AST	0.505
2023-12-04 08:30 AST	0.515
2023-12-04 08:45 AST	0.526
2023-12-04 09:00 AST	0.541
2023-12-04 09:15 AST	0.558
2023-12-04 09:30 AST	0.577
2023-12-04 09:45 AST	0.599
2023-12-04 10:00 AST	0.624
2023-12-04 10:15 AST	0.649
2023-12-04 10:30 AST	0.676
2023-12-04 10:45 AST	0.703
2023-12-04 11:00 AST	0.729
2023-12-04 11:15 AST	0.753
2023-12-04 11:30 AST	0.776
2023-12-04 11:45 AST	0.795
2023-12-04 12:00 AST	0.813
2023-12-04 12:15 AST	0.828
2023-12-04 12:30 AST	0.842
2023-12-04 12:45 AST	0.855
2023-12-04 13:00 AST	0.867
2023-12-04 13:15 AST	0.879
2023-12-04 13:30 AST	0.892
2023-12-04 13:45 AST	0.906
2023-12-04 14:00 AST	0.919
2023-12-04 14:15 AST	0.932
2023-12-04 14:30 AST	0.943
2023-12-04 14:45 AST	0.952
2023-12-04 15:00 AST	0.959
2023-12-04 15:15 AST	0.963
2023-12-04 15:30 AST	0.963
2023-12-04 15:45 AST	0.961
2023-12-04 16:00 AST	0.957
2023-12-04 16:15 AST	0.95
2023-12-04 16:30 AST	0.943
2023-12-04 16:45 AST	0.934
2023-12-04 17:00 AST	0.926
2023-12-04 17:15 AST	0.917
2023-12-04 17:30 AST	0.909
2023-12-04 17:45 AST	0.901
2023-12-04 18:00 AST	0.893
2023-12-04 18:15 AST	0.886
2023-12-04 18:30 AST	0.878
2023-12-04 18:45 AST	0.872
2023-12-04 19:00 AST	0.865
2023-12-04 19:15 AST	0.86
2023-12-04 19:30 AST	0.856
2023-12-04 19:45 AST	0.853
2023-12-04 20:00 AST	0.851
2023-12-04 20:15 AST	0.851
2023-12-04 20:30 AST	0.852
2023-12-04 20:45 AST	0.854
2023-12-04 21:00 AST	0.857
2023-12-04 21:15 AST	0.861
2023-12-04 21:30 AST	0.865
2023-12-04 21:45 AST	0.871
2023-12-04 22:00 AST	0.877
2023-12-04 22:15 AST	0.883
2023-12-04 22:30 AST	0.891
2023-12-04 22:45 AST	0.898
2023-12-04 23:00 AST	0.906
2023-12-04 23:15 AST	0.914
2023-12-04 23:30 AST	0.92
2023-12-04 23:45 AST	0.926
2023-12-05 00:00 AST	0.929
2023-12-05 00:15 AST	0.931
2023-12-05 00:30 AST	0.93
2023-12-05 00:45 AST	0.928
2023-12-05 01:00 AST	0.924
2023-12-05 01:15 AST	0.919
2023-12-05 01:30 AST	0.913
2023-12-05 01:45 AST	0.907
2023-12-05 02:00 AST	0.9
2023-12-05 02:15 AST	0.892
2023-12-05 02:30 AST	0.884
2023-12-05 02:45 AST	0.874
2023-12-05 03:00 AST	0.862
2023-12-05 03:15 AST	0.848
2023-12-05 03:30 AST	0.831
2023-12-05 03:45 AST	0.812
2023-12-05 04:00 AST	0.791
2023-12-05 04:15 AST	0.769
2023-12-05 04:30 AST	0.746
2023-12-05 04:45 AST	0.724
2023-12-05 05:00 AST	0.703
2023-12-05 05:15 AST	0.683
2023-12-05 05:30 AST	0.666
2023-12-05 05:45 AST	0.651
2023-12-05 06:00 AST	0.638
2023-12-05 06:15 AST	0.627
2023-12-05 06:30 AST	0.618
2023-12-05 06:45 AST	0.609
2023-12-05 07:00 AST	0.602
2023-12-05 07:15 AST	0.596
2023-12-05 07:30 AST	0.591
2023-12-05 07:45 AST	0.587
2023-12-05 08:00 AST	0.585
2023-12-05 08:15 AST	0.585
2023-12-05 08:30 AST	0.587
2023-12-05 08:45 AST	0.591
2023-12-05 09:00 AST	0.597
2023-12-05 09:15 AST	0.605
2023-12-05 09:30 AST	0.616
2023-12-05 09:45 AST	0.628
2023-12-05 10:00 AST	0.642
2023-12-05 10:15 AST	0.658
2023-12-05 10:30 AST	0.676
2023-12-05 10:45 AST	0.694
2023-12-05 11:00 AST	0.714
2023-12-05 11:15 AST	0.734
2023-12-05 11:30 AST	0.754
2023-12-05 11:45 AST	0.773
2023-12-05 12:00 AST	0.791
2023-12-05 12:15 AST	0.808
2023-12-05 12:30 AST	0.824
2023-12-05 12:45 AST	0.838
2023-12-05 13:00 AST	0.851
2023-12-05 13:15 AST	0.864
2023-12-05 13:30 AST	0.876
2023-12-05 13:45 AST	0.889
2023-12-05 14:00 AST	0.902
2023-12-05 14:15 AST	0.915
2023-12-05 14:30 AST	0.929
2023-12-05 14:45 AST	0.942
2023-12-05 15:00 AST	0.955
2023-12-05 15:15 AST	0.966
2023-12-05 15:30 AST	0.975
2023-12-05 15:45 AST	0.98
2023-12-05 16:00 AST	0.983
2023-12-05 16:15 AST	0.982
2023-12-05 16:30 AST	0.978
2023-12-05 16:45 AST	0.972
2023-12-05 17:00 AST	0.963
2023-12-05 17:15 AST	0.954
2023-12-05 17:30 AST	0.943
2023-12-05 17:45 AST	0.933
2023-12-05 18:00 AST	0.922
2023-12-05 18:15 AST	0.912
2023-12-05 18:30 AST	0.902
2023-12-05 18:45 AST	0.892
2023-12-05 19:00 AST	0.881
2023-12-05 19:15 AST	0.871
2023-12-05 19:30 AST	0.862
2023-12-05 19:45 AST	0.853
2023-12-05 20:00 AST	0.844
2023-12-05 20:15 AST	0.838
2023-12-05 20:30 AST	0.832
2023-12-05 20:45 AST	0.828
2023-12-05 21:00 AST	0.826
2023-12-05 21:15 AST	0.826
2023-12-05 21:30 AST	0.826
2023-12-05 21:45 AST	0.828
2023-12-05 22:00 AST	0.831
2023-12-05 22:15 AST	0.834
2023-12-05 22:30 AST	0.838
2023-12-05 22:45 AST	0.843
2023-12-05 23:00 AST	0.848
2023-12-05 23:15 AST	0.854
2023-12-05 23:30 AST	0.862
2023-12-05 23:45 AST	0.869
2023-12-06 00:00 AST	0.877
2023-12-06 00:15 AST	0.886
2023-12-06 00:30 AST	0.893
2023-12-06 00:45 AST	0.9
2023-12-06 01:00 AST	0.905
2023-12-06 01:15 AST	0.909
2023-12-06 01:30 AST	0.912
2023-12-06 01:45 AST	0.913
2023-12-06 02:00 AST	0.912
2023-12-06 02:15 AST	0.911
2023-12-06 02:30 AST	0.91
2023-12-06 02:45 AST	0.907
2023-12-06 03:00 AST	0.904
2023-12-06 03:15 AST	0.901
2023-12-06 03:30 AST	0.895
2023-12-06 03:45 AST	0.888
2023-12-06 04:00 AST	0.88
2023-12-06 04:15 AST	0.869
2023-12-06 04:30 AST	0.856
2023-12-06 04:45 AST	0.841
2023-12-06 05:00 AST	0.825
2023-12-06 05:15 AST	0.809
2023-12-06 05:30 AST	0.793
2023-12-06 05:45 AST	0.777
2023-12-06 06:00 AST	0.763
2023-12-06 06:15 AST	0.75
2023-12-06 06:30 AST	0.738
2023-12-06 06:45 AST	0.727
2023-12-06 07:00 AST	0.718
2023-12-06 07:15 AST	0.709
2023-12-06 07:30 AST	0.701
2023-12-06 07:45 AST	0.693
2023-12-06 08:00 AST	0.685
2023-12-06 08:15 AST	0.679
2023-12-06 08:30 AST	0.674
2023-12-06 08:45 AST	0.67
2023-12-06 09:00 AST	0.669
2023-12-06 09:15 AST	0.67
2023-12-06 09:30 AST	0.673
2023-12-06 09:45 AST	0.678
2023-12-06 10:00 AST	0.685
2023-12-06 10:15 AST	0.694
2023-12-06 10:30 AST	0.704
2023-12-06 10:45 AST	0.715
2023-12-06 11:00 AST	0.727
2023-12-06 11:15 AST	0.739
2023-12-06 11:30 AST	0.753
2023-12-06 11:45 AST	0.766
2023-12-06 12:00 AST	0.78
2023-12-06 12:15 AST	0.794
2023-12-06 12:30 AST	0.808
2023-12-06 12:45 AST	0.823
2023-12-06 13:00 AST	0.837
2023-12-06 13:15 AST	0.851
2023-12-06 13:30 AST	0.864
2023-12-06 13:45 AST	0.877
2023-12-06 14:00 AST	0.891
2023-12-06 14:15 AST	0.904
2023-12-06 14:30 AST	0.917
2023-12-06 14:45 AST	0.93
2023-12-06 15:00 AST	0.944
2023-12-06 15:15 AST	0.957
2023-12-06 15:30 AST	0.969
2023-12-06 15:45 AST	0.98
2023-12-06 16:00 AST	0.988
2023-12-06 16:15 AST	0.993
2023-12-06 16:30 AST	0.996
2023-12-06 16:45 AST	0.995
2023-12-06 17:00 AST	0.99
2023-12-06 17:15 AST	0.983
2023-12-06 17:30 AST	0.973
2023-12-06 17:45 AST	0.962
2023-12-06 18:00 AST	0.949
2023-12-06 18:15 AST	0.936
2023-12-06 18:30 AST	0.923
2023-12-06 18:45 AST	0.909
2023-12-06 19:00 AST	0.896
2023-12-06 19:15 AST	0.883
2023-12-06 19:30 AST	0.869
2023-12-06 19:45 AST	0.856
2023-12-06 20:00 AST	0.842
2023-12-06 20:15 AST	0.829
2023-12-06 20:30 AST	0.816
2023-12-06 20:45 AST	0.804
2023-12-06 21:00 AST	0.793
2023-12-06 21:15 AST	0.784
2023-12-06 21:30 AST	0.778
2023-12-06 21:45 AST	0.773
2023-12-06 22:00 AST	0.771
2023-12-06 22:15 AST	0.77
2023-12-06 22:30 AST	0.771
2023-12-06 22:45 AST	0.773
2023-12-06 23:00 AST	0.776
2023-12-06 23:15 AST	0.78
2023-12-06 23:30 AST	0.785
2023-12-06 23:45 AST	0.791
2023-12-07 00:00 AST	0.798
2023-12-07 00:15 AST	0.806
2023-12-07 00:30 AST	0.816
2023-12-07 00:45 AST	0.826
2023-12-07 01:00 AST	0.836
2023-12-07 01:15 AST	0.847
2023-12-07 01:30 AST	0.858
2023-12-07 01:45 AST	0.868
2023-12-07 02:00 AST	0.876
2023-12-07 02:15 AST	0.884
2023-12-07 02:30 AST	0.891
2023-12-07 02:45 AST	0.896
2023-12-07 03:00 AST	0.901
2023-12-07 03:15 AST	0.904
2023-12-07 03:30 AST	0.907
2023-12-07 03:45 AST	0.91
2023-12-07 04:00 AST	0.911
2023-12-07 04:15 AST	0.911
2023-12-07 04:30 AST	0.91
2023-12-07 04:45 AST	0.907
2023-12-07 05:00 AST	0.902
2023-12-07 05:15 AST	0.895
2023-12-07 05:30 AST	0.886
2023-12-07 05:45 AST	0.876
2023-12-07 06:00 AST	0.865
2023-12-07 06:15 AST	0.853
2023-12-07 06:30 AST	0.842
2023-12-07 06:45 AST	0.83
2023-12-07 07:00 AST	0.82
2023-12-07 07:15 AST	0.81
2023-12-07 07:30 AST	0.8
2023-12-07 07:45 AST	0.791
2023-12-07 08:00 AST	0.782
2023-12-07 08:15 AST	0.773
2023-12-07 08:30 AST	0.764
2023-12-07 08:45 AST	0.756
2023-12-07 09:00 AST	0.748
2023-12-07 09:15 AST	0.742
2023-12-07 09:30 AST	0.737
2023-12-07 09:45 AST	0.735
2023-12-07 10:00 AST	0.734
2023-12-07 10:15 AST	0.736
2023-12-07 10:30 AST	0.74
2023-12-07 10:45 AST	0.746
2023-12-07 11:00 AST	0.752
2023-12-07 11:15 AST	0.76
2023-12-07 11:30 AST	0.768
2023-12-07 11:45 AST	0.776
2023-12-07 12:00 AST	0.785
2023-12-07 12:15 AST	0.793
2023-12-07 12:30 AST	0.803
2023-12-07 12:45 AST	0.813
2023-12-07 13:00 AST	0.824
2023-12-07 13:15 AST	0.836
2023-12-07 13:30 AST	0.849
2023-12-07 13:45 AST	0.862
2023-12-07 14:00 AST	0.877
2023-12-07 14:15 AST	0.891
2023-12-07 14:30 AST	0.906
2023-12-07 14:45 AST	0.92
2023-12-07 15:00 AST	0.934
2023-12-07 15:15 AST	0.948
2023-12-07 15:30 AST	0.961
2023-12-07 15:45 AST	0.972
2023-12-07 16:00 AST	0.983
2023-12-07 16:15 AST	0.991
2023-12-07 16:30 AST	0.998
2023-12-07 16:45 AST	1.001
2023-12-07 17:00 AST	1.002
2023-12-07 17:15 AST	1
2023-12-07 17:30 AST	0.994
2023-12-07 17:45 AST	0.985
2023-12-07 18:00 AST	0.974
2023-12-07 18:15 AST	0.96
2023-12-07 18:30 AST	0.945
2023-12-07 18:45 AST	0.929
2023-12-07 19:00 AST	0.912
2023-12-07 19:15 AST	0.896
2023-12-07 19:30 AST	0.879
2023-12-07 19:45 AST	0.861
2023-12-07 20:00 AST	0.844
2023-12-07 20:15 AST	0.826
2023-12-07 20:30 AST	0.808
2023-12-07 20:45 AST	0.789
2023-12-07 21:00 AST	0.771
2023-12-07 21:15 AST	0.753
2023-12-07 21:30 AST	0.736
2023-12-07 21:45 AST	0.721
2023-12-07 22:00 AST	0.709
2023-12-07 22:15 AST	0.7
2023-12-07 22:30 AST	0.693
2023-12-07 22:45 AST	0.689
2023-12-07 23:00 AST	0.688
2023-12-07 23:15 AST	0.69
2023-12-07 23:30 AST	0.693
2023-12-07 23:45 AST	0.697
2023-12-08 00:00 AST	0.702
2023-12-08 00:15 AST	0.709
2023-12-08 00:30 AST	0.716

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
Highest Astronomical Tide	1.11	N/A
Lower Low Water Large Tide	0.12	N/A
Higher High Water Mean Tide	0.98	N/A
High Water Level	0.96	N/A
Lower Low Water Mean Tide	0.4	N/A
Mean Water Level	0.74	N/A
Lowest Astronomical Tide	0.1	N/A
Low Water Level	0.53	N/A
Higher High Water Large Tide	1.09	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	-0.636

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	Elevation (m)	Unique Label	Established	Condition	Latitude	Longitude	More Info
79KZ122	5.347	79KZ122	1983	GOOD	47.57174	-61.478243	More Info
8329152	13.039	8329152	2001	GOOD	47.570722	-61.468556	More Info
M01L9055	12.044	M01L9055	2001	GOOD	47.56989	-61.466371	More Info

Date modified:: 2023-12-01

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Old-Harry - 01986

Station Information