Rock Islands Location

Rock Islands Monthly Tide Charts

September, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 9/1
Tide Time Height
High 4:42 AM 3.76 ft
Low 11:31 AM 0.16 ft
High 5:49 PM 3.31 ft
Low 11:26 PM 1.14 ft

2

Tide Chart for 9/2
Tide Time Height
High 5:11 AM 3.79 ft
Low 12:21 PM 0.18 ft
High 6:48 PM 2.98 ft

3

Tide Chart for 9/3
Tide Time Height
Low 12:02 AM 1.47 ft
High 5:46 AM 3.74 ft
Low 1:26 PM 0.28 ft
High 8:08 PM 2.66 ft

4

Tide Chart for 9/4
Tide Time Height
Low 12:46 AM 1.79 ft
High 6:31 AM 3.62 ft
Low 2:55 PM 0.38 ft
High 9:56 PM 2.52 ft

5

Tide Chart for 9/5
Tide Time Height
Low 1:50 AM 2.06 ft
High 7:38 AM 3.44 ft
Low 4:35 PM 0.33 ft
High 11:36 PM 2.63 ft

6

Tide Chart for 9/6
Tide Time Height
Low 3:29 AM 2.16 ft
High 9:26 AM 3.33 ft
Low 5:56 PM 0.16 ft

7

Tide Chart for 9/7
Tide Time Height
High 12:38 AM 2.84 ft
Low 5:14 AM 2 ft
High 11:18 AM 3.45 ft
Low 6:57 PM 0.02 ft

8

Tide Chart for 9/8
Tide Time Height
High 1:21 AM 3.04 ft
Low 6:31 AM 1.64 ft
High 12:33 PM 3.66 ft
Low 7:44 PM -0.01 ft

9

Tide Chart for 9/9
Tide Time Height
High 1:56 AM 3.23 ft
Low 7:27 AM 1.22 ft
High 1:31 PM 3.83 ft
Low 8:24 PM 0.08 ft

10

Tide Chart for 9/10
Tide Time Height
High 2:27 AM 3.37 ft
Low 8:15 AM 0.83 ft
High 2:20 PM 3.89 ft
Low 8:59 PM 0.27 ft

11

Tide Chart for 9/11
Tide Time Height
High 2:56 AM 3.48 ft
Low 8:58 AM 0.51 ft
High 3:04 PM 3.85 ft
Low 9:28 PM 0.53 ft

12

Tide Chart for 9/12
Tide Time Height
High 3:21 AM 3.55 ft
Low 9:38 AM 0.29 ft
High 3:45 PM 3.72 ft
Low 9:54 PM 0.81 ft

13

Tide Chart for 9/13
Tide Time Height
High 3:44 AM 3.57 ft
Low 10:16 AM 0.19 ft
High 4:24 PM 3.53 ft
Low 10:16 PM 1.08 ft

14

Tide Chart for 9/14
Tide Time Height
High 4:05 AM 3.56 ft
Low 10:53 AM 0.2 ft
High 5:03 PM 3.28 ft
Low 10:38 PM 1.3 ft

15

Tide Chart for 9/15
Tide Time Height
High 4:25 AM 3.51 ft
Low 11:32 AM 0.33 ft
High 5:43 PM 3 ft
Low 10:59 PM 1.5 ft

16

Tide Chart for 9/16
Tide Time Height
High 4:45 AM 3.43 ft
Low 12:16 PM 0.53 ft
High 6:29 PM 2.7 ft
Low 11:24 PM 1.68 ft

17

Tide Chart for 9/17
Tide Time Height
High 5:09 AM 3.3 ft
Low 1:12 PM 0.78 ft
High 7:31 PM 2.42 ft
Low 11:53 PM 1.86 ft

18

Tide Chart for 9/18
Tide Time Height
High 5:39 AM 3.13 ft
Low 2:34 PM 0.97 ft
High 9:12 PM 2.27 ft

19

Tide Chart for 9/19
Tide Time Height
Low 12:36 AM 2.04 ft
High 6:25 AM 2.91 ft
Low 4:15 PM 0.98 ft
High 11:14 PM 2.35 ft

20

Tide Chart for 9/20
Tide Time Height
Low 2:19 AM 2.19 ft
High 8:29 AM 2.72 ft
Low 5:32 PM 0.84 ft

21

Tide Chart for 9/21
Tide Time Height
High 12:13 AM 2.56 ft
Low 4:47 AM 2.1 ft
High 11:07 AM 2.84 ft
Low 6:24 PM 0.66 ft

22

Tide Chart for 9/22
Tide Time Height
High 12:47 AM 2.78 ft
Low 6:05 AM 1.82 ft
High 12:08 PM 3.08 ft
Low 7:03 PM 0.53 ft

23

Tide Chart for 9/23
Tide Time Height
High 1:15 AM 2.98 ft
Low 6:52 AM 1.48 ft
High 12:53 PM 3.32 ft
Low 7:35 PM 0.46 ft

24

Tide Chart for 9/24
Tide Time Height
High 1:39 AM 3.16 ft
Low 7:29 AM 1.12 ft
High 1:33 PM 3.52 ft
Low 8:03 PM 0.46 ft

25

Tide Chart for 9/25
Tide Time Height
High 2:02 AM 3.32 ft
Low 8:04 AM 0.75 ft
High 2:11 PM 3.67 ft
Low 8:30 PM 0.54 ft

26

Tide Chart for 9/26
Tide Time Height
High 2:23 AM 3.46 ft
Low 8:39 AM 0.4 ft
High 2:50 PM 3.76 ft
Low 8:57 PM 0.67 ft

27

Tide Chart for 9/27
Tide Time Height
High 2:44 AM 3.59 ft
Low 9:14 AM 0.1 ft
High 3:31 PM 3.77 ft
Low 9:25 PM 0.86 ft

28

Tide Chart for 9/28
Tide Time Height
High 3:07 AM 3.73 ft
Low 9:51 AM -0.13 ft
High 4:13 PM 3.68 ft
Low 9:54 PM 1.07 ft

29

Tide Chart for 9/29
Tide Time Height
High 3:32 AM 3.84 ft
Low 10:31 AM -0.25 ft
High 4:59 PM 3.47 ft
Low 10:24 PM 1.3 ft

30

Tide Chart for 9/30
Tide Time Height
High 4:01 AM 3.91 ft
Low 11:16 AM -0.22 ft
High 5:49 PM 3.18 ft
Low 10:57 PM 1.53 ft

Tide prediction source: NOAA
Vertical datum: MLLW — Mean Lower Low Water