Block Island Location

Block Island Monthly Tide Charts

September, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 9/1
Tide Time Height
High 4:05 AM 10.53 ft
Low 9:49 AM 1.5 ft
High 4:09 PM 12.51 ft
Low 10:39 PM 0.13 ft

2

Tide Chart for 9/2
Tide Time Height
High 4:56 AM 9.64 ft
Low 10:24 AM 2.47 ft
High 4:47 PM 12.35 ft
Low 11:33 PM 0.36 ft

3

Tide Chart for 9/3
Tide Time Height
High 5:58 AM 8.71 ft
Low 11:05 AM 3.46 ft
High 5:34 PM 11.97 ft

4

Tide Chart for 9/4
Tide Time Height
Low 12:40 AM 0.67 ft
High 7:20 AM 8 ft
Low 12:02 PM 4.37 ft
High 6:38 PM 11.48 ft

5

Tide Chart for 9/5
Tide Time Height
Low 2:04 AM 0.78 ft
High 9:04 AM 7.95 ft
Low 1:34 PM 4.93 ft
High 8:01 PM 11.16 ft

6

Tide Chart for 9/6
Tide Time Height
Low 3:29 AM 0.46 ft
High 10:32 AM 8.6 ft
Low 3:23 PM 4.73 ft
High 9:29 PM 11.3 ft

7

Tide Chart for 9/7
Tide Time Height
Low 4:39 AM -0.11 ft
High 11:30 AM 9.53 ft
Low 4:43 PM 3.87 ft
High 10:44 PM 11.81 ft

8

Tide Chart for 9/8
Tide Time Height
Low 5:33 AM -0.67 ft
High 12:13 PM 10.48 ft
Low 5:42 PM 2.77 ft
High 11:45 PM 12.34 ft

9

Tide Chart for 9/9
Tide Time Height
Low 6:18 AM -1.01 ft
High 12:50 PM 11.35 ft
Low 6:31 PM 1.67 ft

10

Tide Chart for 9/10
Tide Time Height
High 12:37 AM 12.67 ft
Low 6:58 AM -1.06 ft
High 1:24 PM 12.06 ft
Low 7:16 PM 0.74 ft

11

Tide Chart for 9/11
Tide Time Height
High 1:24 AM 12.7 ft
Low 7:35 AM -0.78 ft
High 1:56 PM 12.57 ft
Low 7:57 PM 0.06 ft

12

Tide Chart for 9/12
Tide Time Height
High 2:08 AM 12.42 ft
Low 8:10 AM -0.22 ft
High 2:27 PM 12.82 ft
Low 8:37 PM -0.31 ft

13

Tide Chart for 9/13
Tide Time Height
High 2:50 AM 11.88 ft
Low 8:43 AM 0.58 ft
High 2:57 PM 12.79 ft
Low 9:15 PM -0.35 ft

14

Tide Chart for 9/14
Tide Time Height
High 3:32 AM 11.16 ft
Low 9:15 AM 1.51 ft
High 3:27 PM 12.51 ft
Low 9:54 PM -0.09 ft

15

Tide Chart for 9/15
Tide Time Height
High 4:15 AM 10.3 ft
Low 9:46 AM 2.5 ft
High 3:57 PM 12.02 ft
Low 10:34 PM 0.42 ft

16

Tide Chart for 9/16
Tide Time Height
High 5:01 AM 9.39 ft
Low 10:17 AM 3.46 ft
High 4:29 PM 11.37 ft
Low 11:19 PM 1.08 ft

17

Tide Chart for 9/17
Tide Time Height
High 5:55 AM 8.51 ft
Low 10:52 AM 4.34 ft
High 5:07 PM 10.62 ft

18

Tide Chart for 9/18
Tide Time Height
Low 12:15 AM 1.75 ft
High 7:09 AM 7.83 ft
Low 11:37 AM 5.07 ft
High 5:58 PM 9.88 ft

19

Tide Chart for 9/19
Tide Time Height
Low 1:32 AM 2.21 ft
High 8:53 AM 7.65 ft
Low 1:01 PM 5.56 ft
High 7:16 PM 9.33 ft

20

Tide Chart for 9/20
Tide Time Height
Low 3:01 AM 2.2 ft
High 10:22 AM 8.06 ft
Low 3:04 PM 5.44 ft
High 8:51 PM 9.28 ft

21

Tide Chart for 9/21
Tide Time Height
Low 4:10 AM 1.78 ft
High 11:10 AM 8.68 ft
Low 4:20 PM 4.76 ft
High 10:07 PM 9.71 ft

22

Tide Chart for 9/22
Tide Time Height
Low 4:58 AM 1.25 ft
High 11:43 AM 9.38 ft
Low 5:09 PM 3.86 ft
High 11:02 PM 10.32 ft

23

Tide Chart for 9/23
Tide Time Height
Low 5:36 AM 0.76 ft
High 12:10 PM 10.14 ft
Low 5:48 PM 2.88 ft
High 11:48 PM 10.92 ft

24

Tide Chart for 9/24
Tide Time Height
Low 6:09 AM 0.43 ft
High 12:35 PM 10.93 ft
Low 6:23 PM 1.86 ft

25

Tide Chart for 9/25
Tide Time Height
High 12:29 AM 11.42 ft
Low 6:40 AM 0.3 ft
High 1:00 PM 11.72 ft
Low 6:59 PM 0.89 ft

26

Tide Chart for 9/26
Tide Time Height
High 1:09 AM 11.77 ft
Low 7:10 AM 0.4 ft
High 1:27 PM 12.45 ft
Low 7:34 PM 0.03 ft

27

Tide Chart for 9/27
Tide Time Height
High 1:48 AM 11.91 ft
Low 7:41 AM 0.73 ft
High 1:55 PM 13.06 ft
Low 8:11 PM -0.63 ft

28

Tide Chart for 9/28
Tide Time Height
High 2:29 AM 11.8 ft
Low 8:13 AM 1.27 ft
High 2:25 PM 13.46 ft
Low 8:51 PM -1 ft

29

Tide Chart for 9/29
Tide Time Height
High 3:13 AM 11.42 ft
Low 8:47 AM 1.97 ft
High 2:58 PM 13.59 ft
Low 9:33 PM -1.04 ft

30

Tide Chart for 9/30
Tide Time Height
High 4:00 AM 10.8 ft
Low 9:24 AM 2.76 ft
High 3:35 PM 13.39 ft
Low 10:21 PM -0.74 ft

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