Boston Light Location

Boston Light Monthly Tide Charts

September, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 9/1
Tide Time Height
High 2:27 AM 9.54 ft
Low 8:31 AM 0.17 ft
High 2:45 PM 10.11 ft
Low 9:02 PM -0.09 ft

2

Tide Chart for 9/2
Tide Time Height
High 3:13 AM 9.24 ft
Low 9:15 AM 0.4 ft
High 3:30 PM 10.14 ft
Low 9:53 PM 0.01 ft

3

Tide Chart for 9/3
Tide Time Height
High 4:05 AM 8.87 ft
Low 10:05 AM 0.7 ft
High 4:22 PM 10.05 ft
Low 10:51 PM 0.19 ft

4

Tide Chart for 9/4
Tide Time Height
High 5:03 AM 8.52 ft
Low 11:02 AM 0.99 ft
High 5:21 PM 9.92 ft
Low 11:53 PM 0.35 ft

5

Tide Chart for 9/5
Tide Time Height
High 6:06 AM 8.28 ft
Low 12:04 PM 1.18 ft
High 6:25 PM 9.82 ft

6

Tide Chart for 9/6
Tide Time Height
Low 12:59 AM 0.41 ft
High 7:13 AM 8.23 ft
Low 1:10 PM 1.21 ft
High 7:32 PM 9.83 ft

7

Tide Chart for 9/7
Tide Time Height
Low 2:06 AM 0.32 ft
High 8:22 AM 8.42 ft
Low 2:18 PM 1.02 ft
High 8:40 PM 9.98 ft

8

Tide Chart for 9/8
Tide Time Height
Low 3:10 AM 0.07 ft
High 9:26 AM 8.83 ft
Low 3:23 PM 0.66 ft
High 9:43 PM 10.22 ft

9

Tide Chart for 9/9
Tide Time Height
Low 4:08 AM -0.23 ft
High 10:23 AM 9.32 ft
Low 4:22 PM 0.23 ft
High 10:40 PM 10.42 ft

10

Tide Chart for 9/10
Tide Time Height
Low 4:59 AM -0.45 ft
High 11:13 AM 9.76 ft
Low 5:15 PM -0.14 ft
High 11:31 PM 10.47 ft

11

Tide Chart for 9/11
Tide Time Height
Low 5:47 AM -0.52 ft
High 12:00 PM 10.07 ft
Low 6:06 PM -0.36 ft

12

Tide Chart for 9/12
Tide Time Height
High 12:20 AM 10.35 ft
Low 6:31 AM -0.42 ft
High 12:44 PM 10.23 ft
Low 6:53 PM -0.4 ft

13

Tide Chart for 9/13
Tide Time Height
High 1:07 AM 10.07 ft
Low 7:14 AM -0.15 ft
High 1:27 PM 10.21 ft
Low 7:39 PM -0.29 ft

14

Tide Chart for 9/14
Tide Time Height
High 1:53 AM 9.66 ft
Low 7:56 AM 0.25 ft
High 2:09 PM 10.04 ft
Low 8:24 PM -0.02 ft

15

Tide Chart for 9/15
Tide Time Height
High 2:38 AM 9.18 ft
Low 8:37 AM 0.73 ft
High 2:51 PM 9.75 ft
Low 9:10 PM 0.35 ft

16

Tide Chart for 9/16
Tide Time Height
High 3:24 AM 8.66 ft
Low 9:21 AM 1.24 ft
High 3:35 PM 9.38 ft
Low 9:58 PM 0.78 ft

17

Tide Chart for 9/17
Tide Time Height
High 4:13 AM 8.17 ft
Low 10:08 AM 1.71 ft
High 4:23 PM 8.99 ft
Low 10:51 PM 1.18 ft

18

Tide Chart for 9/18
Tide Time Height
High 5:06 AM 7.76 ft
Low 11:00 AM 2.09 ft
High 5:16 PM 8.68 ft
Low 11:47 PM 1.48 ft

19

Tide Chart for 9/19
Tide Time Height
High 6:03 AM 7.51 ft
Low 11:56 AM 2.31 ft
High 6:13 PM 8.48 ft

20

Tide Chart for 9/20
Tide Time Height
Low 12:45 AM 1.63 ft
High 7:01 AM 7.43 ft
Low 12:54 PM 2.36 ft
High 7:11 PM 8.45 ft

21

Tide Chart for 9/21
Tide Time Height
Low 1:42 AM 1.61 ft
High 7:59 AM 7.54 ft
Low 1:51 PM 2.22 ft
High 8:08 PM 8.59 ft

22

Tide Chart for 9/22
Tide Time Height
Low 2:36 AM 1.43 ft
High 8:52 AM 7.82 ft
Low 2:45 PM 1.91 ft
High 9:01 PM 8.84 ft

23

Tide Chart for 9/23
Tide Time Height
Low 3:24 AM 1.14 ft
High 9:38 AM 8.23 ft
Low 3:34 PM 1.48 ft
High 9:48 PM 9.16 ft

24

Tide Chart for 9/24
Tide Time Height
Low 4:06 AM 0.8 ft
High 10:19 AM 8.7 ft
Low 4:18 PM 0.98 ft
High 10:31 PM 9.46 ft

25

Tide Chart for 9/25
Tide Time Height
Low 4:44 AM 0.48 ft
High 10:56 AM 9.2 ft
Low 5:00 PM 0.48 ft
High 11:12 PM 9.7 ft

26

Tide Chart for 9/26
Tide Time Height
Low 5:21 AM 0.21 ft
High 11:33 AM 9.68 ft
Low 5:41 PM 0.01 ft
High 11:53 PM 9.85 ft

27

Tide Chart for 9/27
Tide Time Height
Low 5:59 AM 0.03 ft
High 12:11 PM 10.11 ft
Low 6:23 PM -0.37 ft

28

Tide Chart for 9/28
Tide Time Height
High 12:35 AM 9.87 ft
Low 6:39 AM -0.04 ft
High 12:50 PM 10.43 ft
Low 7:07 PM -0.62 ft

29

Tide Chart for 9/29
Tide Time Height
High 1:19 AM 9.78 ft
Low 7:20 AM 0.02 ft
High 1:33 PM 10.62 ft
Low 7:53 PM -0.69 ft

30

Tide Chart for 9/30
Tide Time Height
High 2:06 AM 9.55 ft
Low 8:05 AM 0.2 ft
High 2:18 PM 10.63 ft
Low 8:42 PM -0.58 ft

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