San Juan Location

San Juan Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
Low 5:00 AM 0.22 m
High 10:09 AM 0.55 m
Low 3:57 PM 0.14 m
High 11:15 PM 0.91 m

2

Tide Chart for 10/2
Tide Time Height
Low 6:12 AM 0.24 m
High 11:09 AM 0.48 m
Low 4:47 PM 0.18 m

3

Tide Chart for 10/3
Tide Time Height
High 12:24 AM 0.9 m
Low 7:31 AM 0.24 m
High 12:28 PM 0.43 m
Low 5:57 PM 0.22 m

4

Tide Chart for 10/4
Tide Time Height
High 1:37 AM 0.9 m
Low 8:49 AM 0.22 m
High 2:07 PM 0.44 m
Low 7:31 PM 0.24 m

5

Tide Chart for 10/5
Tide Time Height
High 2:46 AM 0.91 m
Low 9:52 AM 0.19 m
High 3:31 PM 0.5 m
Low 8:56 PM 0.23 m

6

Tide Chart for 10/6
Tide Time Height
High 3:46 AM 0.92 m
Low 10:40 AM 0.16 m
High 4:30 PM 0.58 m
Low 10:04 PM 0.2 m

7

Tide Chart for 10/7
Tide Time Height
High 4:38 AM 0.93 m
Low 11:18 AM 0.13 m
High 5:18 PM 0.68 m
Low 11:02 PM 0.18 m

8

Tide Chart for 10/8
Tide Time Height
High 5:24 AM 0.92 m
Low 11:53 AM 0.1 m
High 6:00 PM 0.77 m
Low 11:55 PM 0.17 m

9

Tide Chart for 10/9
Tide Time Height
High 6:06 AM 0.89 m
Low 12:25 PM 0.07 m
High 6:41 PM 0.86 m

10

Tide Chart for 10/10
Tide Time Height
Low 12:46 AM 0.17 m
High 6:46 AM 0.84 m
Low 12:56 PM 0.06 m
High 7:20 PM 0.91 m

11

Tide Chart for 10/11
Tide Time Height
Low 1:38 AM 0.19 m
High 7:25 AM 0.76 m
Low 1:27 PM 0.07 m
High 8:00 PM 0.94 m

12

Tide Chart for 10/12
Tide Time Height
Low 2:30 AM 0.21 m
High 8:04 AM 0.67 m
Low 1:56 PM 0.09 m
High 8:38 PM 0.94 m

13

Tide Chart for 10/13
Tide Time Height
Low 3:25 AM 0.23 m
High 8:44 AM 0.58 m
Low 2:24 PM 0.12 m
High 9:17 PM 0.92 m

14

Tide Chart for 10/14
Tide Time Height
Low 4:21 AM 0.24 m
High 9:24 AM 0.5 m
Low 2:51 PM 0.16 m
High 9:57 PM 0.88 m

15

Tide Chart for 10/15
Tide Time Height
Low 5:22 AM 0.26 m
High 10:08 AM 0.43 m
Low 3:17 PM 0.21 m
High 10:41 PM 0.84 m

16

Tide Chart for 10/16
Tide Time Height
Low 6:29 AM 0.28 m
High 11:00 AM 0.39 m
Low 3:46 PM 0.25 m
High 11:33 PM 0.8 m

17

Tide Chart for 10/17
Tide Time Height
Low 7:47 AM 0.29 m
High 12:14 PM 0.36 m
Low 4:25 PM 0.29 m

18

Tide Chart for 10/18
Tide Time Height
High 12:36 AM 0.77 m
Low 9:02 AM 0.28 m
High 1:54 PM 0.37 m
Low 5:38 PM 0.33 m

19

Tide Chart for 10/19
Tide Time Height
High 1:43 AM 0.77 m
Low 9:53 AM 0.27 m
High 3:16 PM 0.42 m
Low 7:24 PM 0.35 m

20

Tide Chart for 10/20
Tide Time Height
High 2:44 AM 0.78 m
Low 10:27 AM 0.25 m
High 4:05 PM 0.48 m
Low 8:47 PM 0.34 m

21

Tide Chart for 10/21
Tide Time Height
High 3:34 AM 0.8 m
Low 10:52 AM 0.23 m
High 4:41 PM 0.56 m
Low 9:48 PM 0.31 m

22

Tide Chart for 10/22
Tide Time Height
High 4:16 AM 0.81 m
Low 11:13 AM 0.2 m
High 5:14 PM 0.65 m
Low 10:40 PM 0.29 m

23

Tide Chart for 10/23
Tide Time Height
High 4:52 AM 0.81 m
Low 11:34 AM 0.17 m
High 5:47 PM 0.74 m
Low 11:29 PM 0.27 m

24

Tide Chart for 10/24
Tide Time Height
High 5:28 AM 0.8 m
Low 11:57 AM 0.14 m
High 6:20 PM 0.84 m

25

Tide Chart for 10/25
Tide Time Height
Low 12:17 AM 0.24 m
High 6:04 AM 0.77 m
Low 12:22 PM 0.11 m
High 6:57 PM 0.92 m

26

Tide Chart for 10/26
Tide Time Height
Low 1:08 AM 0.22 m
High 6:44 AM 0.72 m
Low 12:52 PM 0.08 m
High 7:36 PM 0.99 m

27

Tide Chart for 10/27
Tide Time Height
Low 2:01 AM 0.2 m
High 7:27 AM 0.66 m
Low 1:26 PM 0.07 m
High 8:19 PM 1.03 m

28

Tide Chart for 10/28
Tide Time Height
Low 2:58 AM 0.18 m
High 8:15 AM 0.6 m
Low 2:05 PM 0.08 m
High 9:07 PM 1.04 m

29

Tide Chart for 10/29
Tide Time Height
Low 3:58 AM 0.17 m
High 9:09 AM 0.54 m
Low 2:49 PM 0.1 m
High 10:01 PM 1.03 m

30

Tide Chart for 10/30
Tide Time Height
Low 5:01 AM 0.17 m
High 10:09 AM 0.49 m
Low 3:39 PM 0.14 m
High 11:01 PM 1.01 m

31

Tide Chart for 10/31
Tide Time Height
Low 6:08 AM 0.18 m
High 11:20 AM 0.47 m
Low 4:40 PM 0.2 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