Harwich Location

Harwich Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
High 3:14 AM 3.99 m
Low 8:52 AM 0.86 m
High 3:31 PM 4.12 m
Low 9:20 PM 0.78 m

2

Tide Chart for 10/2
Tide Time Height
High 3:55 AM 3.85 m
Low 9:35 AM 0.93 m
High 4:16 PM 3.94 m
Low 10:06 PM 1.02 m

3

Tide Chart for 10/3
Tide Time Height
High 4:41 AM 3.66 m
Low 10:26 AM 1.04 m
High 5:10 PM 3.7 m
Low 11:01 PM 1.29 m

4

Tide Chart for 10/4
Tide Time Height
High 5:35 AM 3.47 m
Low 11:28 AM 1.16 m
High 6:19 PM 3.48 m

5

Tide Chart for 10/5
Tide Time Height
Low 12:13 AM 1.52 m
High 6:48 AM 3.33 m
Low 12:54 PM 1.22 m
High 7:54 PM 3.42 m

6

Tide Chart for 10/6
Tide Time Height
Low 2:04 AM 1.56 m
High 8:17 AM 3.37 m
Low 2:48 PM 1.06 m
High 9:17 PM 3.61 m

7

Tide Chart for 10/7
Tide Time Height
Low 3:28 AM 1.38 m
High 9:30 AM 3.61 m
Low 3:55 PM 0.77 m
High 10:17 PM 3.85 m

8

Tide Chart for 10/8
Tide Time Height
Low 4:20 AM 1.17 m
High 10:26 AM 3.88 m
Low 4:44 PM 0.53 m
High 11:05 PM 4.04 m

9

Tide Chart for 10/9
Tide Time Height
Low 5:02 AM 1 m
High 11:14 AM 4.11 m
Low 5:25 PM 0.41 m
High 11:47 PM 4.13 m

10

Tide Chart for 10/10
Tide Time Height
Low 5:40 AM 0.9 m
High 11:57 AM 4.24 m
Low 6:03 PM 0.39 m

11

Tide Chart for 10/11
Tide Time Height
High 12:27 AM 4.16 m
Low 6:15 AM 0.84 m
High 12:37 PM 4.29 m
Low 6:38 PM 0.45 m

12

Tide Chart for 10/12
Tide Time Height
High 1:04 AM 4.13 m
Low 6:50 AM 0.82 m
High 1:16 PM 4.27 m
Low 7:12 PM 0.56 m

13

Tide Chart for 10/13
Tide Time Height
High 1:41 AM 4.08 m
Low 7:25 AM 0.82 m
High 1:54 PM 4.19 m
Low 7:46 PM 0.7 m

14

Tide Chart for 10/14
Tide Time Height
High 2:16 AM 4.01 m
Low 8:01 AM 0.84 m
High 2:31 PM 4.08 m
Low 8:20 PM 0.85 m

15

Tide Chart for 10/15
Tide Time Height
High 2:52 AM 3.92 m
Low 8:38 AM 0.88 m
High 3:08 PM 3.92 m
Low 8:56 PM 1.03 m

16

Tide Chart for 10/16
Tide Time Height
High 3:27 AM 3.8 m
Low 9:17 AM 0.95 m
High 3:47 PM 3.74 m
Low 9:34 PM 1.21 m

17

Tide Chart for 10/17
Tide Time Height
High 4:04 AM 3.65 m
Low 9:59 AM 1.06 m
High 4:28 PM 3.53 m
Low 10:17 PM 1.41 m

18

Tide Chart for 10/18
Tide Time Height
High 4:44 AM 3.47 m
Low 10:46 AM 1.18 m
High 5:14 PM 3.33 m
Low 11:09 PM 1.59 m

19

Tide Chart for 10/19
Tide Time Height
High 5:32 AM 3.29 m
Low 11:43 AM 1.3 m
High 6:14 PM 3.16 m

20

Tide Chart for 10/20
Tide Time Height
Low 12:14 AM 1.71 m
High 6:34 AM 3.16 m
Low 12:58 PM 1.35 m
High 7:40 PM 3.13 m

21

Tide Chart for 10/21
Tide Time Height
Low 1:44 AM 1.7 m
High 8:01 AM 3.17 m
Low 2:28 PM 1.23 m
High 9:01 PM 3.3 m

22

Tide Chart for 10/22
Tide Time Height
Low 3:06 AM 1.52 m
High 9:15 AM 3.36 m
Low 3:33 PM 1.01 m
High 9:58 PM 3.55 m

23

Tide Chart for 10/23
Tide Time Height
Low 3:59 AM 1.3 m
High 10:11 AM 3.62 m
Low 4:22 PM 0.78 m
High 10:45 PM 3.8 m

24

Tide Chart for 10/24
Tide Time Height
Low 4:43 AM 1.11 m
High 10:58 AM 3.86 m
Low 5:04 PM 0.6 m
High 11:29 PM 3.99 m

25

Tide Chart for 10/25
Tide Time Height
Low 4:23 AM 0.98 m
High 10:43 AM 4.06 m
Low 4:44 PM 0.5 m
High 11:11 PM 4.11 m

26

Tide Chart for 10/26
Tide Time Height
Low 5:01 AM 0.89 m
High 11:25 AM 4.19 m
Low 5:23 PM 0.47 m
High 11:52 PM 4.16 m

27

Tide Chart for 10/27
Tide Time Height
Low 5:39 AM 0.84 m
High 12:08 PM 4.26 m
Low 6:01 PM 0.52 m

28

Tide Chart for 10/28
Tide Time Height
High 12:33 AM 4.15 m
Low 6:17 AM 0.81 m
High 12:51 PM 4.27 m
Low 6:40 PM 0.62 m

29

Tide Chart for 10/29
Tide Time Height
High 1:14 AM 4.1 m
Low 6:57 AM 0.78 m
High 1:34 PM 4.22 m
Low 7:21 PM 0.77 m

30

Tide Chart for 10/30
Tide Time Height
High 1:56 AM 4.02 m
Low 7:39 AM 0.78 m
High 2:20 PM 4.11 m
Low 8:05 PM 0.96 m

31

Tide Chart for 10/31
Tide Time Height
High 2:39 AM 3.9 m
Low 8:26 AM 0.81 m
High 3:08 PM 3.95 m
Low 8:53 PM 1.18 m

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: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 ( license details ). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data Predictions generated with Slackwater; not an official government forecast. Official source
Vertical datum: LAT — LAT