Duwamish Waterway Location

Duwamish Waterway Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
Low 2:39 AM -1.59 ft
High 9:48 AM 10.48 ft
Low 3:05 PM 6.91 ft
High 8:08 PM 10.24 ft

2

Tide Chart for 10/2
Tide Time Height
Low 3:32 AM -1.39 ft
High 11:03 AM 10.25 ft
Low 4:15 PM 7.54 ft
High 8:58 PM 9.64 ft

3

Tide Chart for 10/3
Tide Time Height
Low 4:32 AM -0.93 ft
High 12:33 PM 10.19 ft
Low 5:56 PM 7.66 ft
High 10:10 PM 8.96 ft

4

Tide Chart for 10/4
Tide Time Height
Low 5:40 AM -0.38 ft
High 1:55 PM 10.38 ft
Low 7:46 PM 7.01 ft
High 11:46 PM 8.46 ft

5

Tide Chart for 10/5
Tide Time Height
Low 6:53 AM 0.1 ft
High 2:51 PM 10.67 ft
Low 8:54 PM 5.89 ft

6

Tide Chart for 10/6
Tide Time Height
High 1:24 AM 8.43 ft
Low 8:02 AM 0.48 ft
High 3:32 PM 10.93 ft
Low 9:40 PM 4.59 ft

7

Tide Chart for 10/7
Tide Time Height
High 2:46 AM 8.78 ft
Low 9:03 AM 0.91 ft
High 4:03 PM 11.11 ft
Low 10:18 PM 3.26 ft

8

Tide Chart for 10/8
Tide Time Height
High 3:54 AM 9.27 ft
Low 9:56 AM 1.52 ft
High 4:30 PM 11.19 ft
Low 10:53 PM 2 ft

9

Tide Chart for 10/9
Tide Time Height
High 4:53 AM 9.73 ft
Low 10:43 AM 2.32 ft
High 4:54 PM 11.18 ft
Low 11:25 PM 0.9 ft

10

Tide Chart for 10/10
Tide Time Height
High 5:45 AM 10.12 ft
Low 11:27 AM 3.28 ft
High 5:18 PM 11.05 ft
Low 11:56 PM 0.02 ft

11

Tide Chart for 10/11
Tide Time Height
High 6:35 AM 10.43 ft
Low 12:09 PM 4.3 ft
High 5:42 PM 10.81 ft

12

Tide Chart for 10/12
Tide Time Height
Low 12:28 AM -0.59 ft
High 7:22 AM 10.65 ft
Low 12:52 PM 5.28 ft
High 6:09 PM 10.45 ft

13

Tide Chart for 10/13
Tide Time Height
Low 1:01 AM -0.91 ft
High 8:09 AM 10.76 ft
Low 1:37 PM 6.12 ft
High 6:38 PM 10 ft

14

Tide Chart for 10/14
Tide Time Height
Low 1:35 AM -0.93 ft
High 8:56 AM 10.72 ft
Low 2:26 PM 6.79 ft
High 7:10 PM 9.47 ft

15

Tide Chart for 10/15
Tide Time Height
Low 2:14 AM -0.66 ft
High 9:46 AM 10.56 ft
Low 3:23 PM 7.26 ft
High 7:46 PM 8.9 ft

16

Tide Chart for 10/16
Tide Time Height
Low 2:56 AM -0.18 ft
High 10:42 AM 10.32 ft
Low 4:39 PM 7.47 ft
High 8:29 PM 8.31 ft

17

Tide Chart for 10/17
Tide Time Height
Low 3:45 AM 0.43 ft
High 11:49 AM 10.1 ft
Low 6:42 PM 7.28 ft
High 9:29 PM 7.75 ft

18

Tide Chart for 10/18
Tide Time Height
Low 4:41 AM 1.04 ft
High 12:57 PM 10.04 ft
Low 8:04 PM 6.72 ft
High 10:53 PM 7.33 ft

19

Tide Chart for 10/19
Tide Time Height
Low 5:44 AM 1.56 ft
High 1:52 PM 10.12 ft
Low 8:45 PM 6.02 ft

20

Tide Chart for 10/20
Tide Time Height
High 12:23 AM 7.24 ft
Low 6:49 AM 1.92 ft
High 2:31 PM 10.27 ft
Low 9:11 PM 5.18 ft

21

Tide Chart for 10/21
Tide Time Height
High 1:42 AM 7.54 ft
Low 7:48 AM 2.22 ft
High 2:59 PM 10.46 ft
Low 9:33 PM 4.18 ft

22

Tide Chart for 10/22
Tide Time Height
High 2:47 AM 8.09 ft
Low 8:41 AM 2.57 ft
High 3:23 PM 10.66 ft
Low 9:55 PM 2.99 ft

23

Tide Chart for 10/23
Tide Time Height
High 3:43 AM 8.79 ft
Low 9:29 AM 3.06 ft
High 3:45 PM 10.85 ft
Low 10:21 PM 1.65 ft

24

Tide Chart for 10/24
Tide Time Height
High 4:33 AM 9.55 ft
Low 10:13 AM 3.71 ft
High 4:08 PM 11.03 ft
Low 10:50 PM 0.26 ft

25

Tide Chart for 10/25
Tide Time Height
High 5:22 AM 10.3 ft
Low 10:56 AM 4.5 ft
High 4:34 PM 11.16 ft
Low 11:24 PM -1.03 ft

26

Tide Chart for 10/26
Tide Time Height
High 6:11 AM 10.94 ft
Low 11:40 AM 5.34 ft
High 5:02 PM 11.22 ft

27

Tide Chart for 10/27
Tide Time Height
Low 12:01 AM -2.05 ft
High 7:01 AM 11.41 ft
Low 12:26 PM 6.15 ft
High 5:34 PM 11.16 ft

28

Tide Chart for 10/28
Tide Time Height
Low 12:42 AM -2.69 ft
High 7:54 AM 11.64 ft
Low 1:15 PM 6.84 ft
High 6:10 PM 10.95 ft

29

Tide Chart for 10/29
Tide Time Height
Low 1:27 AM -2.85 ft
High 8:50 AM 11.63 ft
Low 2:09 PM 7.36 ft
High 6:52 PM 10.54 ft

30

Tide Chart for 10/30
Tide Time Height
Low 2:16 AM -2.56 ft
High 9:51 AM 11.47 ft
Low 3:14 PM 7.63 ft
High 7:42 PM 9.91 ft

31

Tide Chart for 10/31
Tide Time Height
Low 3:10 AM -1.87 ft
High 10:57 AM 11.26 ft
Low 4:35 PM 7.53 ft
High 8:47 PM 9.1 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