Grassy Key Location

Grassy Key Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
Low 12:56 AM 0.93 ft
High 6:35 AM 1.75 ft
Low 2:39 PM 0.24 ft
High 8:21 PM 1.02 ft

2

Tide Chart for 10/2
Tide Time Height
Low 1:34 AM 1 ft
High 7:26 AM 1.72 ft
Low 3:50 PM 0.35 ft
High 9:38 PM 0.93 ft

3

Tide Chart for 10/3
Tide Time Height
Low 2:24 AM 1.08 ft
High 8:32 AM 1.67 ft
Low 5:09 PM 0.45 ft
High 11:13 PM 0.93 ft

4

Tide Chart for 10/4
Tide Time Height
Low 3:42 AM 1.15 ft
High 9:57 AM 1.62 ft
Low 6:28 PM 0.53 ft

5

Tide Chart for 10/5
Tide Time Height
High 12:29 AM 1 ft
Low 5:22 AM 1.16 ft
High 11:30 AM 1.62 ft
Low 7:33 PM 0.59 ft

6

Tide Chart for 10/6
Tide Time Height
High 1:18 AM 1.12 ft
Low 6:52 AM 1.06 ft
High 12:49 PM 1.64 ft
Low 8:24 PM 0.65 ft

7

Tide Chart for 10/7
Tide Time Height
High 1:56 AM 1.27 ft
Low 8:04 AM 0.89 ft
High 1:54 PM 1.66 ft
Low 9:05 PM 0.72 ft

8

Tide Chart for 10/8
Tide Time Height
High 2:30 AM 1.41 ft
Low 9:04 AM 0.7 ft
High 2:49 PM 1.65 ft
Low 9:40 PM 0.78 ft

9

Tide Chart for 10/9
Tide Time Height
High 3:02 AM 1.54 ft
Low 9:55 AM 0.53 ft
High 3:38 PM 1.6 ft
Low 10:13 PM 0.82 ft

10

Tide Chart for 10/10
Tide Time Height
High 3:33 AM 1.64 ft
Low 10:41 AM 0.4 ft
High 4:22 PM 1.52 ft
Low 10:45 PM 0.86 ft

11

Tide Chart for 10/11
Tide Time Height
High 4:03 AM 1.71 ft
Low 11:24 AM 0.31 ft
High 5:03 PM 1.42 ft
Low 11:16 PM 0.89 ft

12

Tide Chart for 10/12
Tide Time Height
High 4:34 AM 1.73 ft
Low 12:06 PM 0.28 ft
High 5:42 PM 1.32 ft
Low 11:46 PM 0.93 ft

13

Tide Chart for 10/13
Tide Time Height
High 5:05 AM 1.72 ft
Low 12:47 PM 0.29 ft
High 6:21 PM 1.21 ft

14

Tide Chart for 10/14
Tide Time Height
Low 12:15 AM 0.97 ft
High 5:39 AM 1.68 ft
Low 1:31 PM 0.35 ft
High 7:00 PM 1.11 ft

15

Tide Chart for 10/15
Tide Time Height
Low 12:43 AM 1.03 ft
High 6:15 AM 1.63 ft
Low 2:19 PM 0.45 ft
High 7:44 PM 1.03 ft

16

Tide Chart for 10/16
Tide Time Height
Low 1:10 AM 1.1 ft
High 6:55 AM 1.57 ft
Low 3:14 PM 0.56 ft
High 8:38 PM 0.97 ft

17

Tide Chart for 10/17
Tide Time Height
Low 1:37 AM 1.18 ft
High 7:43 AM 1.5 ft
Low 4:20 PM 0.66 ft
High 9:54 PM 0.95 ft

18

Tide Chart for 10/18
Tide Time Height
Low 2:18 AM 1.27 ft
High 8:41 AM 1.45 ft
Low 5:29 PM 0.74 ft
High 11:29 PM 0.98 ft

19

Tide Chart for 10/19
Tide Time Height
Low 4:09 AM 1.34 ft
High 9:56 AM 1.42 ft
Low 6:31 PM 0.79 ft

20

Tide Chart for 10/20
Tide Time Height
High 12:25 AM 1.07 ft
Low 5:55 AM 1.31 ft
High 11:16 AM 1.42 ft
Low 7:21 PM 0.82 ft

21

Tide Chart for 10/21
Tide Time Height
High 12:57 AM 1.17 ft
Low 7:07 AM 1.19 ft
High 12:27 PM 1.45 ft
Low 8:01 PM 0.84 ft

22

Tide Chart for 10/22
Tide Time Height
High 1:25 AM 1.28 ft
Low 8:03 AM 1 ft
High 1:26 PM 1.48 ft
Low 8:35 PM 0.86 ft

23

Tide Chart for 10/23
Tide Time Height
High 1:53 AM 1.4 ft
Low 8:51 AM 0.77 ft
High 2:19 PM 1.49 ft
Low 9:06 PM 0.88 ft

24

Tide Chart for 10/24
Tide Time Height
High 2:22 AM 1.52 ft
Low 9:35 AM 0.52 ft
High 3:08 PM 1.47 ft
Low 9:37 PM 0.88 ft

25

Tide Chart for 10/25
Tide Time Height
High 2:53 AM 1.64 ft
Low 10:18 AM 0.28 ft
High 3:57 PM 1.43 ft
Low 10:08 PM 0.88 ft

26

Tide Chart for 10/26
Tide Time Height
High 3:26 AM 1.74 ft
Low 11:02 AM 0.09 ft
High 4:45 PM 1.35 ft
Low 10:40 PM 0.88 ft

27

Tide Chart for 10/27
Tide Time Height
High 4:03 AM 1.81 ft
Low 11:48 AM -0.03 ft
High 5:34 PM 1.25 ft
Low 11:15 PM 0.88 ft

28

Tide Chart for 10/28
Tide Time Height
High 4:44 AM 1.85 ft
Low 12:37 PM -0.06 ft
High 6:25 PM 1.14 ft
Low 11:51 PM 0.89 ft

29

Tide Chart for 10/29
Tide Time Height
High 5:29 AM 1.85 ft
Low 1:31 PM 0 ft
High 7:19 PM 1.05 ft

30

Tide Chart for 10/30
Tide Time Height
Low 12:31 AM 0.92 ft
High 6:21 AM 1.81 ft
Low 2:31 PM 0.14 ft
High 8:18 PM 0.98 ft

31

Tide Chart for 10/31
Tide Time Height
Low 1:20 AM 0.98 ft
High 7:19 AM 1.74 ft
Low 3:39 PM 0.3 ft
High 9:26 PM 0.96 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