Columbia River Entrance (N. Jetty) Location

Columbia River Entrance (N. Jetty) Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
High 4:54 AM 5.61 ft
Low 9:47 AM 2.7 ft
High 3:58 PM 7.97 ft
Low 11:03 PM -0.32 ft

2

Tide Chart for 10/2
Tide Time Height
High 6:01 AM 5.23 ft
Low 10:40 AM 3.24 ft
High 4:52 PM 7.53 ft

3

Tide Chart for 10/3
Tide Time Height
Low 12:13 AM 0.07 ft
High 7:16 AM 5.07 ft
Low 11:54 AM 3.61 ft
High 6:02 PM 6.98 ft

4

Tide Chart for 10/4
Tide Time Height
Low 1:33 AM 0.25 ft
High 8:32 AM 5.26 ft
Low 1:27 PM 3.57 ft
High 7:30 PM 6.57 ft

5

Tide Chart for 10/5
Tide Time Height
Low 2:47 AM 0.17 ft
High 9:37 AM 5.72 ft
Low 2:52 PM 3 ft
High 8:57 PM 6.5 ft

6

Tide Chart for 10/6
Tide Time Height
Low 3:49 AM -0.02 ft
High 10:30 AM 6.32 ft
Low 4:01 PM 2.11 ft
High 10:11 PM 6.66 ft

7

Tide Chart for 10/7
Tide Time Height
Low 4:39 AM -0.14 ft
High 11:14 AM 6.91 ft
Low 4:58 PM 1.17 ft
High 11:12 PM 6.85 ft

8

Tide Chart for 10/8
Tide Time Height
Low 5:23 AM -0.07 ft
High 11:52 AM 7.39 ft
Low 5:49 PM 0.35 ft

9

Tide Chart for 10/9
Tide Time Height
High 12:05 AM 6.94 ft
Low 6:03 AM 0.2 ft
High 12:27 PM 7.73 ft
Low 6:34 PM -0.26 ft

10

Tide Chart for 10/10
Tide Time Height
High 12:54 AM 6.9 ft
Low 6:40 AM 0.64 ft
High 1:00 PM 7.91 ft
Low 7:17 PM -0.63 ft

11

Tide Chart for 10/11
Tide Time Height
High 1:40 AM 6.76 ft
Low 7:15 AM 1.19 ft
High 1:30 PM 7.94 ft
Low 7:57 PM -0.76 ft

12

Tide Chart for 10/12
Tide Time Height
High 2:26 AM 6.55 ft
Low 7:49 AM 1.78 ft
High 1:59 PM 7.86 ft
Low 8:35 PM -0.68 ft

13

Tide Chart for 10/13
Tide Time Height
High 3:10 AM 6.28 ft
Low 8:23 AM 2.36 ft
High 2:27 PM 7.71 ft
Low 9:11 PM -0.43 ft

14

Tide Chart for 10/14
Tide Time Height
High 3:56 AM 5.97 ft
Low 8:56 AM 2.88 ft
High 2:55 PM 7.48 ft
Low 9:48 PM -0.05 ft

15

Tide Chart for 10/15
Tide Time Height
High 4:44 AM 5.64 ft
Low 9:32 AM 3.34 ft
High 3:27 PM 7.17 ft
Low 10:28 PM 0.38 ft

16

Tide Chart for 10/16
Tide Time Height
High 5:36 AM 5.33 ft
Low 10:14 AM 3.72 ft
High 4:05 PM 6.77 ft
Low 11:15 PM 0.82 ft

17

Tide Chart for 10/17
Tide Time Height
High 6:36 AM 5.11 ft
Low 11:08 AM 4.01 ft
High 4:54 PM 6.3 ft

18

Tide Chart for 10/18
Tide Time Height
Low 12:15 AM 1.16 ft
High 7:40 AM 5.08 ft
Low 12:22 PM 4.12 ft
High 6:01 PM 5.82 ft

19

Tide Chart for 10/19
Tide Time Height
Low 1:24 AM 1.3 ft
High 8:41 AM 5.27 ft
Low 1:44 PM 3.86 ft
High 7:25 PM 5.54 ft

20

Tide Chart for 10/20
Tide Time Height
Low 2:28 AM 1.23 ft
High 9:32 AM 5.64 ft
Low 2:55 PM 3.24 ft
High 8:47 PM 5.55 ft

21

Tide Chart for 10/21
Tide Time Height
Low 3:21 AM 1.08 ft
High 10:14 AM 6.12 ft
Low 3:53 PM 2.41 ft
High 9:55 PM 5.79 ft

22

Tide Chart for 10/22
Tide Time Height
Low 4:06 AM 0.98 ft
High 10:49 AM 6.64 ft
Low 4:43 PM 1.51 ft
High 10:53 PM 6.11 ft

23

Tide Chart for 10/23
Tide Time Height
Low 4:47 AM 1.02 ft
High 11:20 AM 7.16 ft
Low 5:28 PM 0.64 ft
High 11:46 PM 6.4 ft

24

Tide Chart for 10/24
Tide Time Height
Low 5:26 AM 1.2 ft
High 11:50 AM 7.67 ft
Low 6:11 PM -0.13 ft

25

Tide Chart for 10/25
Tide Time Height
High 12:35 AM 6.62 ft
Low 6:04 AM 1.52 ft
High 12:21 PM 8.15 ft
Low 6:53 PM -0.74 ft

26

Tide Chart for 10/26
Tide Time Height
High 1:24 AM 6.73 ft
Low 6:43 AM 1.92 ft
High 12:54 PM 8.54 ft
Low 7:36 PM -1.15 ft

27

Tide Chart for 10/27
Tide Time Height
High 2:13 AM 6.72 ft
Low 7:23 AM 2.33 ft
High 1:29 PM 8.79 ft
Low 8:21 PM -1.32 ft

28

Tide Chart for 10/28
Tide Time Height
High 3:04 AM 6.59 ft
Low 8:06 AM 2.73 ft
High 2:09 PM 8.85 ft
Low 9:08 PM -1.24 ft

29

Tide Chart for 10/29
Tide Time Height
High 3:57 AM 6.38 ft
Low 8:52 AM 3.08 ft
High 2:53 PM 8.66 ft
Low 9:58 PM -0.94 ft

30

Tide Chart for 10/30
Tide Time Height
High 4:54 AM 6.14 ft
Low 9:43 AM 3.39 ft
High 3:44 PM 8.21 ft
Low 10:54 PM -0.49 ft

31

Tide Chart for 10/31
Tide Time Height
High 5:56 AM 5.97 ft
Low 10:46 AM 3.61 ft
High 4:44 PM 7.56 ft
Low 11:58 PM -0.01 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