Grindstone Island (#160)

7 days Tidal Predictions
Reference: Chart Datum
Presentation

Times and Heights for High and Low Tides

2021-04-19
(Monday)
Time Height
ADT (m) (ft)
05:34 9.9 32.5
12:13 3.2 10.5
18:09 9.4 30.8
2021-04-20
(Tuesday)
Time Height
ADT (m) (ft)
00:34 3.6 11.8
06:30 9.8 32.2
13:09 3.2 10.5
19:09 9.5 31.2
2021-04-21
(Wednesday)
Time Height
ADT (m) (ft)
01:34 3.6 11.8
07:33 9.9 32.5
14:10 3.1 10.2
20:11 9.7 31.8
2021-04-22
(Thursday)
Time Height
ADT (m) (ft)
02:37 3.2 10.5
08:37 10.2 33.5
15:10 2.7 8.9
21:12 10.2 33.5
2021-04-23
(Friday)
Time Height
ADT (m) (ft)
03:37 2.7 8.9
09:37 10.7 35.1
16:07 2.2 7.2
22:07 10.9 35.8
2021-04-24
(Saturday)
Time Height
ADT (m) (ft)
04:33 2 6.6
10:32 11.3 37.1
16:59 1.6 5.2
22:58 11.6 38.1
2021-04-25
(Sunday)
Time Height
ADT (m) (ft)
05:25 1.2 3.9
11:23 11.9 39.0
17:48 1 3.3
23:47 12.3 40.4

Predicted Hourly Heights (m)

Date Hour
ADT 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
2021-04-19 3.6 4.3 5.7 7.4 8.9 9.8 9.9 9.2 7.9 6.4 5.0 3.8 3.2 3.4 4.5 6.1 7.7 8.9 9.4 9.2 8.3 7.1 5.7 4.5
2021-04-20 3.8 3.7 4.5 5.9 7.5 8.9 9.7 9.7 9.0 7.8 6.3 4.9 3.7 3.2 3.5 4.6 6.2 7.8 9.0 9.5 9.2 8.3 7.1 5.7
2021-04-21 4.4 3.7 3.6 4.4 5.8 7.5 8.9 9.8 9.8 9.1 7.9 6.3 4.8 3.6 3.1 3.4 4.5 6.1 7.8 9.1 9.7 9.5 8.5 7.2
2021-04-22 5.6 4.3 3.4 3.3 4.1 5.6 7.4 9.0 10.0 10.1 9.4 8.0 6.3 4.7 3.3 2.7 3.0 4.3 6.1 8.1 9.6 10.2 9.9 8.9
2021-04-23 7.3 5.5 3.9 2.9 2.7 3.6 5.4 7.5 9.4 10.5 10.6 9.8 8.2 6.3 4.3 2.8 2.2 2.6 4.1 6.3 8.5 10.2 10.9 10.5
2021-04-24 9.2 7.2 5.1 3.3 2.1 2.1 3.2 5.3 7.8 9.9 11.1 11.1 10.1 8.2 6.0 3.8 2.2 1.6 2.2 4.1 6.7 9.2 11.0 11.6
2021-04-25 11.0 9.3 7.0 4.6 2.5 1.4 1.5 3.0 5.5 8.3 10.6 11.8 11.6 10.3 8.1 5.5 3.1 1.4 1.0 2.0 4.3 7.3 10.0 11.8