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
Low 2:24 AM -1.64 ft
High 9:35 AM 10.27 ft
Low 2:50 PM 7.13 ft
High 7:55 PM 10.03 ft

2

Tide Chart for 10/2
Tide Time Height
Low 3:17 AM -1.44 ft
High 10:50 AM 10.04 ft
Low 4:00 PM 7.78 ft
High 8:45 PM 9.44 ft

3

Tide Chart for 10/3
Tide Time Height
Low 4:17 AM -0.96 ft
High 12:20 PM 9.98 ft
Low 5:41 PM 7.9 ft
High 9:57 PM 8.77 ft

4

Tide Chart for 10/4
Tide Time Height
Low 5:25 AM -0.39 ft
High 1:42 PM 10.17 ft
Low 7:31 PM 7.23 ft
High 11:33 PM 8.28 ft

5

Tide Chart for 10/5
Tide Time Height
Low 6:38 AM 0.1 ft
High 2:38 PM 10.45 ft
Low 8:39 PM 6.07 ft

6

Tide Chart for 10/6
Tide Time Height
High 1:11 AM 8.26 ft
Low 7:47 AM 0.5 ft
High 3:19 PM 10.7 ft
Low 9:25 PM 4.74 ft

7

Tide Chart for 10/7
Tide Time Height
High 2:33 AM 8.6 ft
Low 8:48 AM 0.94 ft
High 3:50 PM 10.88 ft
Low 10:03 PM 3.36 ft

8

Tide Chart for 10/8
Tide Time Height
High 3:41 AM 9.08 ft
Low 9:41 AM 1.56 ft
High 4:17 PM 10.96 ft
Low 10:38 PM 2.06 ft

9

Tide Chart for 10/9
Tide Time Height
High 4:40 AM 9.53 ft
Low 10:28 AM 2.4 ft
High 4:41 PM 10.95 ft
Low 11:10 PM 0.93 ft

10

Tide Chart for 10/10
Tide Time Height
High 5:32 AM 9.91 ft
Low 11:12 AM 3.39 ft
High 5:05 PM 10.82 ft
Low 11:41 PM 0.02 ft

11

Tide Chart for 10/11
Tide Time Height
High 6:22 AM 10.22 ft
Low 11:54 AM 4.44 ft
High 5:29 PM 10.59 ft

12

Tide Chart for 10/12
Tide Time Height
Low 12:13 AM -0.61 ft
High 7:09 AM 10.43 ft
Low 12:37 PM 5.44 ft
High 5:56 PM 10.24 ft

13

Tide Chart for 10/13
Tide Time Height
Low 12:46 AM -0.94 ft
High 7:56 AM 10.53 ft
Low 1:22 PM 6.32 ft
High 6:25 PM 9.79 ft

14

Tide Chart for 10/14
Tide Time Height
Low 1:20 AM -0.96 ft
High 8:43 AM 10.5 ft
Low 2:11 PM 7.01 ft
High 6:57 PM 9.28 ft

15

Tide Chart for 10/15
Tide Time Height
Low 1:59 AM -0.68 ft
High 9:33 AM 10.34 ft
Low 3:08 PM 7.49 ft
High 7:33 PM 8.72 ft

16

Tide Chart for 10/16
Tide Time Height
Low 2:41 AM -0.18 ft
High 10:29 AM 10.1 ft
Low 4:24 PM 7.7 ft
High 8:16 PM 8.14 ft

17

Tide Chart for 10/17
Tide Time Height
Low 3:30 AM 0.44 ft
High 11:36 AM 9.9 ft
Low 6:27 PM 7.51 ft
High 9:16 PM 7.59 ft

18

Tide Chart for 10/18
Tide Time Height
Low 4:26 AM 1.08 ft
High 12:44 PM 9.83 ft
Low 7:49 PM 6.94 ft
High 10:40 PM 7.17 ft

19

Tide Chart for 10/19
Tide Time Height
Low 5:29 AM 1.61 ft
High 1:39 PM 9.91 ft
Low 8:30 PM 6.21 ft

20

Tide Chart for 10/20
Tide Time Height
High 12:10 AM 7.1 ft
Low 6:34 AM 1.98 ft
High 2:18 PM 10.06 ft
Low 8:56 PM 5.35 ft

21

Tide Chart for 10/21
Tide Time Height
High 1:29 AM 7.38 ft
Low 7:33 AM 2.29 ft
High 2:46 PM 10.24 ft
Low 9:18 PM 4.31 ft

22

Tide Chart for 10/22
Tide Time Height
High 2:34 AM 7.92 ft
Low 8:26 AM 2.65 ft
High 3:10 PM 10.44 ft
Low 9:40 PM 3.09 ft

23

Tide Chart for 10/23
Tide Time Height
High 3:30 AM 8.61 ft
Low 9:14 AM 3.15 ft
High 3:32 PM 10.63 ft
Low 10:06 PM 1.7 ft

24

Tide Chart for 10/24
Tide Time Height
High 4:20 AM 9.36 ft
Low 9:58 AM 3.83 ft
High 3:55 PM 10.8 ft
Low 10:35 PM 0.27 ft

25

Tide Chart for 10/25
Tide Time Height
High 5:09 AM 10.09 ft
Low 10:41 AM 4.64 ft
High 4:21 PM 10.93 ft
Low 11:09 PM -1.06 ft

26

Tide Chart for 10/26
Tide Time Height
High 5:58 AM 10.72 ft
Low 11:25 AM 5.5 ft
High 4:49 PM 10.99 ft
Low 11:46 PM -2.12 ft

27

Tide Chart for 10/27
Tide Time Height
High 6:48 AM 11.17 ft
Low 12:11 PM 6.34 ft
High 5:21 PM 10.93 ft

28

Tide Chart for 10/28
Tide Time Height
Low 12:27 AM -2.77 ft
High 7:41 AM 11.4 ft
Low 1:00 PM 7.06 ft
High 5:57 PM 10.72 ft

29

Tide Chart for 10/29
Tide Time Height
Low 1:12 AM -2.94 ft
High 8:37 AM 11.39 ft
Low 1:54 PM 7.6 ft
High 6:39 PM 10.32 ft

30

Tide Chart for 10/30
Tide Time Height
Low 2:01 AM -2.64 ft
High 9:38 AM 11.23 ft
Low 2:59 PM 7.87 ft
High 7:29 PM 9.71 ft

31

Tide Chart for 10/31
Tide Time Height
Low 2:55 AM -1.93 ft
High 10:44 AM 11.03 ft
Low 4:20 PM 7.77 ft
High 8:34 PM 8.92 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