Holyhead Location

Holyhead Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
High 1:29 AM 5.6 m
Low 7:43 AM 1.16 m
High 1:54 PM 5.42 m
Low 8:05 PM 1.28 m

2

Tide Chart for 10/2
Tide Time Height
High 2:18 AM 5.3 m
Low 8:33 AM 1.55 m
High 2:45 PM 5.16 m
Low 9:02 PM 1.6 m

3

Tide Chart for 10/3
Tide Time Height
High 3:18 AM 4.92 m
Low 9:34 AM 1.96 m
High 3:50 PM 4.89 m
Low 10:14 PM 1.88 m

4

Tide Chart for 10/4
Tide Time Height
High 4:39 AM 4.59 m
Low 10:53 AM 2.27 m
High 5:14 PM 4.73 m
Low 11:43 PM 1.99 m

5

Tide Chart for 10/5
Tide Time Height
High 6:25 AM 4.51 m
Low 12:26 PM 2.29 m
High 6:48 PM 4.82 m

6

Tide Chart for 10/6
Tide Time Height
Low 1:13 AM 1.8 m
High 7:53 AM 4.74 m
Low 1:46 PM 2.03 m
High 8:03 PM 5.12 m

7

Tide Chart for 10/7
Tide Time Height
Low 2:22 AM 1.44 m
High 8:52 AM 5.05 m
Low 2:44 PM 1.66 m
High 8:59 PM 5.45 m

8

Tide Chart for 10/8
Tide Time Height
Low 3:14 AM 1.09 m
High 9:37 AM 5.32 m
Low 3:31 PM 1.3 m
High 9:44 PM 5.71 m

9

Tide Chart for 10/9
Tide Time Height
Low 3:57 AM 0.83 m
High 10:15 AM 5.51 m
Low 4:11 PM 1.03 m
High 10:24 PM 5.86 m

10

Tide Chart for 10/10
Tide Time Height
Low 4:35 AM 0.7 m
High 10:49 AM 5.62 m
Low 4:49 PM 0.88 m
High 11:00 PM 5.91 m

11

Tide Chart for 10/11
Tide Time Height
Low 5:10 AM 0.7 m
High 11:22 AM 5.66 m
Low 5:25 PM 0.86 m
High 11:35 PM 5.85 m

12

Tide Chart for 10/12
Tide Time Height
Low 5:44 AM 0.8 m
High 11:55 AM 5.63 m
Low 6:01 PM 0.95 m

13

Tide Chart for 10/13
Tide Time Height
High 12:10 AM 5.71 m
Low 6:17 AM 1 m
High 12:27 PM 5.55 m
Low 6:36 PM 1.14 m

14

Tide Chart for 10/14
Tide Time Height
High 12:44 AM 5.51 m
Low 6:50 AM 1.26 m
High 1:01 PM 5.4 m
Low 7:13 PM 1.4 m

15

Tide Chart for 10/15
Tide Time Height
High 1:19 AM 5.26 m
Low 7:23 AM 1.57 m
High 1:36 PM 5.2 m
Low 7:52 PM 1.69 m

16

Tide Chart for 10/16
Tide Time Height
High 1:58 AM 4.97 m
Low 8:00 AM 1.92 m
High 2:15 PM 4.97 m
Low 8:36 PM 2 m

17

Tide Chart for 10/17
Tide Time Height
High 2:42 AM 4.66 m
Low 8:43 AM 2.26 m
High 3:01 PM 4.72 m
Low 9:29 PM 2.27 m

18

Tide Chart for 10/18
Tide Time Height
High 3:38 AM 4.38 m
Low 9:38 AM 2.56 m
High 4:02 PM 4.5 m
Low 10:39 PM 2.45 m

19

Tide Chart for 10/19
Tide Time Height
High 4:55 AM 4.19 m
Low 10:56 AM 2.74 m
High 5:23 PM 4.41 m

20

Tide Chart for 10/20
Tide Time Height
Low 12:03 AM 2.44 m
High 6:27 AM 4.23 m
Low 12:26 PM 2.68 m
High 6:48 PM 4.51 m

21

Tide Chart for 10/21
Tide Time Height
Low 1:19 AM 2.22 m
High 7:40 AM 4.46 m
Low 1:37 PM 2.41 m
High 7:52 PM 4.76 m

22

Tide Chart for 10/22
Tide Time Height
Low 2:14 AM 1.89 m
High 8:30 AM 4.76 m
Low 2:27 PM 2.06 m
High 8:40 PM 5.05 m

23

Tide Chart for 10/23
Tide Time Height
Low 2:57 AM 1.55 m
High 9:10 AM 5.06 m
Low 3:08 PM 1.7 m
High 9:20 PM 5.32 m

24

Tide Chart for 10/24
Tide Time Height
Low 3:34 AM 1.23 m
High 9:46 AM 5.33 m
Low 3:44 PM 1.37 m
High 9:56 PM 5.56 m

25

Tide Chart for 10/25
Tide Time Height
Low 3:09 AM 0.97 m
High 9:20 AM 5.55 m
Low 3:20 PM 1.11 m
High 9:32 PM 5.73 m

26

Tide Chart for 10/26
Tide Time Height
Low 3:44 AM 0.8 m
High 9:55 AM 5.71 m
Low 3:57 PM 0.93 m
High 10:09 PM 5.84 m

27

Tide Chart for 10/27
Tide Time Height
Low 4:20 AM 0.74 m
High 10:32 AM 5.8 m
Low 4:36 PM 0.85 m
High 10:49 PM 5.85 m

28

Tide Chart for 10/28
Tide Time Height
Low 5:00 AM 0.8 m
High 11:11 AM 5.81 m
Low 5:19 PM 0.87 m
High 11:32 PM 5.76 m

29

Tide Chart for 10/29
Tide Time Height
Low 5:42 AM 0.98 m
High 11:54 AM 5.73 m
Low 6:06 PM 1 m

30

Tide Chart for 10/30
Tide Time Height
High 12:21 AM 5.55 m
Low 6:30 AM 1.27 m
High 12:43 PM 5.57 m
Low 6:59 PM 1.21 m

31

Tide Chart for 10/31
Tide Time Height
High 1:16 AM 5.26 m
Low 7:24 AM 1.62 m
High 1:38 PM 5.35 m
Low 8:00 PM 1.46 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