Port Jefferson Location

Port Jefferson Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
High 3:09 AM 6.6 ft
Low 9:10 AM 0.65 ft
High 3:25 PM 7.54 ft
Low 10:01 PM 0.31 ft

2

Tide Chart for 10/2
Tide Time Height
High 4:05 AM 6.37 ft
Low 10:09 AM 0.88 ft
High 4:23 PM 7.27 ft
Low 11:03 PM 0.54 ft

3

Tide Chart for 10/3
Tide Time Height
High 5:06 AM 6.2 ft
Low 11:15 AM 1.05 ft
High 5:27 PM 7.01 ft

4

Tide Chart for 10/4
Tide Time Height
Low 12:10 AM 0.68 ft
High 6:13 AM 6.16 ft
Low 12:25 PM 1.07 ft
High 6:37 PM 6.86 ft

5

Tide Chart for 10/5
Tide Time Height
Low 1:16 AM 0.66 ft
High 7:21 AM 6.33 ft
Low 1:35 PM 0.92 ft
High 7:46 PM 6.87 ft

6

Tide Chart for 10/6
Tide Time Height
Low 2:18 AM 0.51 ft
High 8:25 AM 6.66 ft
Low 2:39 PM 0.64 ft
High 8:50 PM 6.97 ft

7

Tide Chart for 10/7
Tide Time Height
Low 3:14 AM 0.32 ft
High 9:22 AM 7.06 ft
Low 3:38 PM 0.33 ft
High 9:46 PM 7.08 ft

8

Tide Chart for 10/8
Tide Time Height
Low 4:04 AM 0.15 ft
High 10:12 AM 7.43 ft
Low 4:31 PM 0.06 ft
High 10:36 PM 7.14 ft

9

Tide Chart for 10/9
Tide Time Height
Low 4:50 AM 0.06 ft
High 10:58 AM 7.69 ft
Low 5:20 PM -0.12 ft
High 11:22 PM 7.12 ft

10

Tide Chart for 10/10
Tide Time Height
Low 5:32 AM 0.08 ft
High 11:40 AM 7.8 ft
Low 6:03 PM -0.17 ft

11

Tide Chart for 10/11
Tide Time Height
High 12:05 AM 7.01 ft
Low 6:12 AM 0.2 ft
High 12:20 PM 7.76 ft
Low 6:45 PM -0.11 ft

12

Tide Chart for 10/12
Tide Time Height
High 12:47 AM 6.84 ft
Low 6:51 AM 0.41 ft
High 1:00 PM 7.6 ft
Low 7:25 PM 0.06 ft

13

Tide Chart for 10/13
Tide Time Height
High 1:28 AM 6.63 ft
Low 7:31 AM 0.67 ft
High 1:40 PM 7.34 ft
Low 8:06 PM 0.29 ft

14

Tide Chart for 10/14
Tide Time Height
High 2:11 AM 6.4 ft
Low 8:12 AM 0.94 ft
High 2:22 PM 7.03 ft
Low 8:49 PM 0.55 ft

15

Tide Chart for 10/15
Tide Time Height
High 2:56 AM 6.17 ft
Low 8:56 AM 1.21 ft
High 3:07 PM 6.72 ft
Low 9:34 PM 0.81 ft

16

Tide Chart for 10/16
Tide Time Height
High 3:43 AM 5.97 ft
Low 9:44 AM 1.44 ft
High 3:55 PM 6.44 ft
Low 10:24 PM 1.04 ft

17

Tide Chart for 10/17
Tide Time Height
High 4:33 AM 5.8 ft
Low 10:37 AM 1.6 ft
High 4:46 PM 6.21 ft
Low 11:17 PM 1.19 ft

18

Tide Chart for 10/18
Tide Time Height
High 5:26 AM 5.72 ft
Low 11:34 AM 1.68 ft
High 5:42 PM 6.06 ft

19

Tide Chart for 10/19
Tide Time Height
Low 12:13 AM 1.23 ft
High 6:23 AM 5.75 ft
Low 12:34 PM 1.61 ft
High 6:41 PM 6.04 ft

20

Tide Chart for 10/20
Tide Time Height
Low 1:08 AM 1.15 ft
High 7:20 AM 5.93 ft
Low 1:31 PM 1.41 ft
High 7:38 PM 6.14 ft

21

Tide Chart for 10/21
Tide Time Height
Low 1:59 AM 0.97 ft
High 8:11 AM 6.24 ft
Low 2:25 PM 1.1 ft
High 8:31 PM 6.32 ft

22

Tide Chart for 10/22
Tide Time Height
Low 2:47 AM 0.75 ft
High 8:58 AM 6.63 ft
Low 3:15 PM 0.72 ft
High 9:20 PM 6.54 ft

23

Tide Chart for 10/23
Tide Time Height
Low 3:31 AM 0.51 ft
High 9:42 AM 7.05 ft
Low 4:03 PM 0.32 ft
High 10:06 PM 6.74 ft

24

Tide Chart for 10/24
Tide Time Height
Low 4:14 AM 0.3 ft
High 10:24 AM 7.45 ft
Low 4:48 PM -0.05 ft
High 10:51 PM 6.91 ft

25

Tide Chart for 10/25
Tide Time Height
Low 4:57 AM 0.14 ft
High 11:06 AM 7.78 ft
Low 5:33 PM -0.34 ft
High 11:35 PM 7 ft

26

Tide Chart for 10/26
Tide Time Height
Low 5:39 AM 0.06 ft
High 11:48 AM 8 ft
Low 6:18 PM -0.51 ft

27

Tide Chart for 10/27
Tide Time Height
High 12:21 AM 7 ft
Low 6:23 AM 0.05 ft
High 12:33 PM 8.07 ft
Low 7:05 PM -0.52 ft

28

Tide Chart for 10/28
Tide Time Height
High 1:08 AM 6.91 ft
Low 7:10 AM 0.14 ft
High 1:21 PM 7.98 ft
Low 7:55 PM -0.39 ft

29

Tide Chart for 10/29
Tide Time Height
High 1:59 AM 6.75 ft
Low 8:01 AM 0.3 ft
High 2:14 PM 7.77 ft
Low 8:49 PM -0.17 ft

30

Tide Chart for 10/30
Tide Time Height
High 2:54 AM 6.57 ft
Low 8:57 AM 0.5 ft
High 3:10 PM 7.48 ft
Low 9:48 PM 0.09 ft

31

Tide Chart for 10/31
Tide Time Height
High 3:52 AM 6.42 ft
Low 10:00 AM 0.7 ft
High 4:11 PM 7.15 ft
Low 10:50 PM 0.32 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