Boulogne-sur-Mer Location

Boulogne-sur-Mer Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
High 3:20 AM 8.93 m
Low 10:41 AM 1.55 m
High 3:39 PM 8.79 m
Low 11:01 PM 1.64 m

2

Tide Chart for 10/2
Tide Time Height
High 4:03 AM 8.52 m
Low 11:25 AM 2.01 m
High 4:25 PM 8.29 m
Low 11:49 PM 2.1 m

3

Tide Chart for 10/3
Tide Time Height
High 4:53 AM 7.91 m
Low 12:19 PM 2.52 m
High 5:21 PM 7.64 m

4

Tide Chart for 10/4
Tide Time Height
Low 12:49 AM 2.56 m
High 6:00 AM 7.23 m
Low 1:29 PM 2.91 m
High 6:43 PM 7.05 m

5

Tide Chart for 10/5
Tide Time Height
Low 2:08 AM 2.83 m
High 7:39 AM 6.84 m
Low 2:57 PM 2.95 m
High 8:29 PM 6.97 m

6

Tide Chart for 10/6
Tide Time Height
Low 3:43 AM 2.65 m
High 9:16 AM 7.06 m
Low 4:27 PM 2.51 m
High 9:52 PM 7.4 m

7

Tide Chart for 10/7
Tide Time Height
Low 5:03 AM 2.07 m
High 10:27 AM 7.62 m
Low 5:34 PM 1.84 m
High 10:54 PM 7.99 m

8

Tide Chart for 10/8
Tide Time Height
Low 6:02 AM 1.46 m
High 11:21 AM 8.22 m
Low 6:27 PM 1.27 m
High 11:44 PM 8.51 m

9

Tide Chart for 10/9
Tide Time Height
Low 6:50 AM 1.03 m
High 12:06 PM 8.68 m
Low 7:14 PM 0.92 m

10

Tide Chart for 10/10
Tide Time Height
High 12:26 AM 8.85 m
Low 7:33 AM 0.84 m
High 12:45 PM 8.95 m
Low 7:56 PM 0.82 m

11

Tide Chart for 10/11
Tide Time Height
High 1:03 AM 8.98 m
Low 8:12 AM 0.87 m
High 1:21 PM 9.02 m
Low 8:34 PM 0.91 m

12

Tide Chart for 10/12
Tide Time Height
High 1:37 AM 8.95 m
Low 8:48 AM 1.06 m
High 1:52 PM 8.95 m
Low 9:08 PM 1.14 m

13

Tide Chart for 10/13
Tide Time Height
High 2:08 AM 8.8 m
Low 9:20 AM 1.33 m
High 2:21 PM 8.78 m
Low 9:38 PM 1.43 m

14

Tide Chart for 10/14
Tide Time Height
High 2:37 AM 8.58 m
Low 9:48 AM 1.65 m
High 2:48 PM 8.54 m
Low 10:04 PM 1.76 m

15

Tide Chart for 10/15
Tide Time Height
High 3:06 AM 8.31 m
Low 10:16 AM 1.99 m
High 3:17 PM 8.24 m
Low 10:30 PM 2.1 m

16

Tide Chart for 10/16
Tide Time Height
High 3:37 AM 7.97 m
Low 10:44 AM 2.36 m
High 3:50 PM 7.86 m
Low 11:00 PM 2.46 m

17

Tide Chart for 10/17
Tide Time Height
High 4:13 AM 7.53 m
Low 11:19 AM 2.76 m
High 4:28 PM 7.37 m
Low 11:38 PM 2.86 m

18

Tide Chart for 10/18
Tide Time Height
High 4:55 AM 7.02 m
Low 12:05 PM 3.16 m
High 5:16 PM 6.82 m

19

Tide Chart for 10/19
Tide Time Height
Low 12:30 AM 3.23 m
High 5:55 AM 6.49 m
Low 1:06 PM 3.46 m
High 6:32 PM 6.35 m

20

Tide Chart for 10/20
Tide Time Height
Low 1:39 AM 3.44 m
High 7:47 AM 6.24 m
Low 2:18 PM 3.51 m
High 8:32 PM 6.35 m

21

Tide Chart for 10/21
Tide Time Height
Low 2:57 AM 3.35 m
High 9:20 AM 6.54 m
Low 3:34 PM 3.23 m
High 9:45 PM 6.78 m

22

Tide Chart for 10/22
Tide Time Height
Low 4:14 AM 2.94 m
High 10:18 AM 7.08 m
Low 4:44 PM 2.72 m
High 10:36 PM 7.37 m

23

Tide Chart for 10/23
Tide Time Height
Low 5:16 AM 2.39 m
High 11:02 AM 7.68 m
Low 5:39 PM 2.16 m
High 11:17 PM 7.96 m

24

Tide Chart for 10/24
Tide Time Height
Low 6:05 AM 1.87 m
High 11:39 AM 8.23 m
Low 6:26 PM 1.68 m
High 11:54 PM 8.47 m

25

Tide Chart for 10/25
Tide Time Height
Low 5:50 AM 1.48 m
High 11:13 AM 8.68 m
Low 6:12 PM 1.34 m
High 11:29 PM 8.86 m

26

Tide Chart for 10/26
Tide Time Height
Low 6:35 AM 1.23 m
High 11:48 AM 9.01 m
Low 6:57 PM 1.12 m

27

Tide Chart for 10/27
Tide Time Height
High 12:05 AM 9.1 m
Low 7:20 AM 1.12 m
High 12:23 PM 9.18 m
Low 7:43 PM 1.05 m

28

Tide Chart for 10/28
Tide Time Height
High 12:43 AM 9.18 m
Low 8:05 AM 1.16 m
High 1:01 PM 9.21 m
Low 8:28 PM 1.1 m

29

Tide Chart for 10/29
Tide Time Height
High 1:23 AM 9.1 m
Low 8:51 AM 1.32 m
High 1:41 PM 9.06 m
Low 9:13 PM 1.28 m

30

Tide Chart for 10/30
Tide Time Height
High 2:05 AM 8.85 m
Low 9:36 AM 1.59 m
High 2:25 PM 8.73 m
Low 9:59 PM 1.58 m

31

Tide Chart for 10/31
Tide Time Height
High 2:51 AM 8.42 m
Low 10:25 AM 1.95 m
High 3:14 PM 8.24 m
Low 10:50 PM 1.95 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