Fortaleza USCGS Location

Fortaleza USCGS Monthly Tide Charts

October, 2026

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 10/1
Tide Time Height
Low 1:09 AM 0.09 m
High 7:31 AM 2.05 m
Low 1:26 PM 0.33 m
High 7:48 PM 2.19 m

2

Tide Chart for 10/2
Tide Time Height
Low 2:05 AM 0.26 m
High 8:33 AM 1.85 m
Low 2:24 PM 0.53 m
High 8:52 PM 2.03 m

3

Tide Chart for 10/3
Tide Time Height
Low 3:17 AM 0.42 m
High 9:53 AM 1.72 m
Low 3:42 PM 0.69 m
High 10:13 PM 1.94 m

4

Tide Chart for 10/4
Tide Time Height
Low 4:52 AM 0.48 m
High 11:26 AM 1.72 m
Low 5:20 PM 0.7 m
High 11:40 PM 1.98 m

5

Tide Chart for 10/5
Tide Time Height
Low 6:20 AM 0.4 m
High 12:45 PM 1.86 m
Low 6:41 PM 0.57 m

6

Tide Chart for 10/6
Tide Time Height
High 12:55 AM 2.12 m
Low 7:22 AM 0.26 m
High 1:43 PM 2.05 m
Low 7:39 PM 0.38 m

7

Tide Chart for 10/7
Tide Time Height
High 1:53 AM 2.29 m
Low 8:10 AM 0.14 m
High 2:29 PM 2.23 m
Low 8:27 PM 0.2 m

8

Tide Chart for 10/8
Tide Time Height
High 2:40 AM 2.42 m
Low 8:52 AM 0.04 m
High 3:08 PM 2.38 m
Low 9:09 PM 0.05 m

9

Tide Chart for 10/9
Tide Time Height
High 3:22 AM 2.5 m
Low 9:29 AM -0.01 m
High 3:44 PM 2.48 m
Low 9:48 PM -0.04 m

10

Tide Chart for 10/10
Tide Time Height
High 4:01 AM 2.51 m
Low 10:04 AM -0.02 m
High 4:19 PM 2.51 m
Low 10:25 PM -0.08 m

11

Tide Chart for 10/11
Tide Time Height
High 4:37 AM 2.46 m
Low 10:38 AM 0.01 m
High 4:52 PM 2.49 m
Low 11:01 PM -0.06 m

12

Tide Chart for 10/12
Tide Time Height
High 5:12 AM 2.35 m
Low 11:11 AM 0.09 m
High 5:25 PM 2.41 m
Low 11:37 PM 0.01 m

13

Tide Chart for 10/13
Tide Time Height
High 5:47 AM 2.2 m
Low 11:43 AM 0.2 m
High 5:59 PM 2.29 m

14

Tide Chart for 10/14
Tide Time Height
Low 12:13 AM 0.13 m
High 6:23 AM 2.03 m
Low 12:16 PM 0.34 m
High 6:33 PM 2.14 m

15

Tide Chart for 10/15
Tide Time Height
Low 12:50 AM 0.27 m
High 7:02 AM 1.85 m
Low 12:50 PM 0.5 m
High 7:11 PM 1.98 m

16

Tide Chart for 10/16
Tide Time Height
Low 1:32 AM 0.44 m
High 7:48 AM 1.68 m
Low 1:29 PM 0.67 m
High 7:57 PM 1.83 m

17

Tide Chart for 10/17
Tide Time Height
Low 2:24 AM 0.6 m
High 8:46 AM 1.54 m
Low 2:20 PM 0.83 m
High 8:58 PM 1.71 m

18

Tide Chart for 10/18
Tide Time Height
Low 3:37 AM 0.71 m
High 10:03 AM 1.48 m
Low 3:39 PM 0.94 m
High 10:19 PM 1.66 m

19

Tide Chart for 10/19
Tide Time Height
Low 5:12 AM 0.72 m
High 11:29 AM 1.53 m
Low 5:24 PM 0.93 m
High 11:42 PM 1.72 m

20

Tide Chart for 10/20
Tide Time Height
Low 6:24 AM 0.63 m
High 12:36 PM 1.67 m
Low 6:36 PM 0.79 m

21

Tide Chart for 10/21
Tide Time Height
High 12:46 AM 1.86 m
Low 7:12 AM 0.5 m
High 1:23 PM 1.85 m
Low 7:24 PM 0.62 m

22

Tide Chart for 10/22
Tide Time Height
High 1:35 AM 2.02 m
Low 7:51 AM 0.36 m
High 2:01 PM 2.05 m
Low 8:04 PM 0.42 m

23

Tide Chart for 10/23
Tide Time Height
High 2:16 AM 2.19 m
Low 8:27 AM 0.22 m
High 2:38 PM 2.24 m
Low 8:43 PM 0.23 m

24

Tide Chart for 10/24
Tide Time Height
High 2:55 AM 2.33 m
Low 9:03 AM 0.1 m
High 3:14 PM 2.41 m
Low 9:21 PM 0.05 m

25

Tide Chart for 10/25
Tide Time Height
High 3:34 AM 2.43 m
Low 9:39 AM -0 m
High 3:51 PM 2.54 m
Low 10:00 PM -0.09 m

26

Tide Chart for 10/26
Tide Time Height
High 4:14 AM 2.47 m
Low 10:17 AM -0.06 m
High 4:30 PM 2.6 m
Low 10:41 PM -0.17 m

27

Tide Chart for 10/27
Tide Time Height
High 4:56 AM 2.45 m
Low 10:57 AM -0.06 m
High 5:12 PM 2.6 m
Low 11:24 PM -0.18 m

28

Tide Chart for 10/28
Tide Time Height
High 5:41 AM 2.37 m
Low 11:40 AM 0.02 m
High 5:56 PM 2.54 m

29

Tide Chart for 10/29
Tide Time Height
Low 12:11 AM -0.11 m
High 6:31 AM 2.23 m
Low 12:26 PM 0.15 m
High 6:46 PM 2.42 m

30

Tide Chart for 10/30
Tide Time Height
Low 1:02 AM 0.02 m
High 7:26 AM 2.06 m
Low 1:18 PM 0.33 m
High 7:42 PM 2.26 m

31

Tide Chart for 10/31
Tide Time Height
Low 2:01 AM 0.19 m
High 8:31 AM 1.91 m
Low 2:19 PM 0.51 m
High 8:47 PM 2.12 m

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: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 ( license details ). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data Predictions generated with Slackwater; not an official government forecast. Official source
Vertical datum: MLWS — MLWS