Plum Island Sound (South End) Monthly Tide Charts

October, 2026

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

1

Tide Chart for 10/1

Tide	Time	Height
High	3:18 AM	8.95 ft
Low	9:23 AM	0.49 ft
High	3:34 PM	10.31 ft
Low	10:07 PM	-0.39 ft

2

Tide Chart for 10/2

Tide	Time	Height
High	4:12 AM	8.7 ft
Low	10:17 AM	0.67 ft
High	4:30 PM	10.14 ft
Low	11:05 PM	-0.16 ft

3

Tide Chart for 10/3

Tide	Time	Height
High	5:10 AM	8.46 ft
Low	11:18 AM	0.84 ft
High	5:31 PM	9.91 ft

4

Tide Chart for 10/4

Tide	Time	Height
Low	12:08 AM	0.04 ft
High	6:13 AM	8.32 ft
Low	12:23 PM	0.93 ft
High	6:36 PM	9.7 ft

5

Tide Chart for 10/5

Tide	Time	Height
Low	1:12 AM	0.16 ft
High	7:18 AM	8.36 ft
Low	1:30 PM	0.87 ft
High	7:42 PM	9.57 ft

6

Tide Chart for 10/6

Tide	Time	Height
Low	2:14 AM	0.16 ft
High	8:22 AM	8.58 ft
Low	2:34 PM	0.66 ft
High	8:46 PM	9.52 ft

7

Tide Chart for 10/7

Tide	Time	Height
Low	3:13 AM	0.11 ft
High	9:22 AM	8.91 ft
Low	3:35 PM	0.37 ft
High	9:46 PM	9.49 ft

8

Tide Chart for 10/8

Tide	Time	Height
Low	4:07 AM	0.06 ft
High	10:16 AM	9.26 ft
Low	4:32 PM	0.09 ft
High	10:41 PM	9.44 ft

9

Tide Chart for 10/9

Tide	Time	Height
Low	4:57 AM	0.08 ft
High	11:05 AM	9.55 ft
Low	5:23 PM	-0.13 ft
High	11:31 PM	9.33 ft

10

Tide Chart for 10/10

Tide	Time	Height
Low	5:43 AM	0.17 ft
High	11:50 AM	9.72 ft
Low	6:10 PM	-0.24 ft

11

Tide Chart for 10/11

Tide	Time	Height
High	12:17 AM	9.15 ft
Low	6:25 AM	0.35 ft
High	12:31 PM	9.76 ft
Low	6:54 PM	-0.22 ft

12

Tide Chart for 10/12

Tide	Time	Height
High	12:59 AM	8.93 ft
Low	7:06 AM	0.59 ft
High	1:11 PM	9.7 ft
Low	7:37 PM	-0.1 ft

13

Tide Chart for 10/13

Tide	Time	Height
High	1:40 AM	8.67 ft
Low	7:47 AM	0.86 ft
High	1:51 PM	9.55 ft
Low	8:19 PM	0.1 ft

14

Tide Chart for 10/14

Tide	Time	Height
High	2:22 AM	8.4 ft
Low	8:28 AM	1.14 ft
High	2:32 PM	9.35 ft
Low	9:02 PM	0.35 ft

15

Tide Chart for 10/15

Tide	Time	Height
High	3:04 AM	8.14 ft
Low	9:11 AM	1.4 ft
High	3:15 PM	9.11 ft
Low	9:47 PM	0.64 ft

16

Tide Chart for 10/16

Tide	Time	Height
High	3:49 AM	7.88 ft
Low	9:56 AM	1.63 ft
High	4:02 PM	8.86 ft
Low	10:36 PM	0.92 ft

17

Tide Chart for 10/17

Tide	Time	Height
High	4:38 AM	7.64 ft
Low	10:46 AM	1.84 ft
High	4:52 PM	8.62 ft
Low	11:27 PM	1.15 ft

18

Tide Chart for 10/18

Tide	Time	Height
High	5:30 AM	7.48 ft
Low	11:39 AM	1.97 ft
High	5:46 PM	8.43 ft

19

Tide Chart for 10/19

Tide	Time	Height
Low	12:22 AM	1.29 ft
High	6:25 AM	7.45 ft
Low	12:37 PM	1.99 ft
High	6:43 PM	8.32 ft

20

Tide Chart for 10/20

Tide	Time	Height
Low	1:17 AM	1.32 ft
High	7:21 AM	7.57 ft
Low	1:34 PM	1.86 ft
High	7:39 PM	8.32 ft

21

Tide Chart for 10/21

Tide	Time	Height
Low	2:10 AM	1.24 ft
High	8:14 AM	7.85 ft
Low	2:29 PM	1.58 ft
High	8:34 PM	8.4 ft

22

Tide Chart for 10/22

Tide	Time	Height
Low	2:59 AM	1.1 ft
High	9:03 AM	8.24 ft
Low	3:21 PM	1.19 ft
High	9:25 PM	8.54 ft

23

Tide Chart for 10/23

Tide	Time	Height
Low	3:45 AM	0.94 ft
High	9:49 AM	8.72 ft
Low	4:10 PM	0.72 ft
High	10:13 PM	8.71 ft

24

Tide Chart for 10/24

Tide	Time	Height
Low	4:29 AM	0.76 ft
High	10:33 AM	9.23 ft
Low	4:57 PM	0.22 ft
High	11:00 PM	8.88 ft

25

Tide Chart for 10/25

Tide	Time	Height
Low	5:12 AM	0.59 ft
High	11:16 AM	9.74 ft
Low	5:43 PM	-0.24 ft
High	11:46 PM	9.04 ft

26

Tide Chart for 10/26

Tide	Time	Height
Low	5:54 AM	0.43 ft
High	12:00 PM	10.19 ft
Low	6:28 PM	-0.63 ft

27

Tide Chart for 10/27

Tide	Time	Height
High	12:32 AM	9.14 ft
Low	6:37 AM	0.32 ft
High	12:45 PM	10.53 ft
Low	7:15 PM	-0.87 ft

28

Tide Chart for 10/28

Tide	Time	Height
High	1:19 AM	9.15 ft
Low	7:23 AM	0.26 ft
High	1:32 PM	10.72 ft
Low	8:04 PM	-0.95 ft

29

Tide Chart for 10/29

Tide	Time	Height
High	2:08 AM	9.09 ft
Low	8:12 AM	0.28 ft
High	2:22 PM	10.73 ft
Low	8:56 PM	-0.87 ft

30

Tide Chart for 10/30

Tide	Time	Height
High	3:01 AM	8.96 ft
Low	9:05 AM	0.38 ft
High	3:16 PM	10.57 ft
Low	9:51 PM	-0.67 ft

31

Tide Chart for 10/31

Tide	Time	Height
High	3:56 AM	8.8 ft
Low	10:03 AM	0.52 ft
High	4:14 PM	10.28 ft
Low	10:49 PM	-0.4 ft

About these predictions

Tide heights are predictions, not measurements. Wind, air pressure, storms, and river flow can cause actual water levels to differ. Not for navigation.

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