Today's tide times for Rio das Ostras
The predicted tide times today on Saturday 21 February 2026 for Rio das Ostras are: first high tide at 4:45am, first low tide at 11:08am, second high tide at 4:55pm, second low tide at 11:42pm. Sunrise is at 5:39am and sunset is at 6:22pm.
Today's tide times for Rio das Ostras: Saturday 21 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:45 AM(Sat 21 February) | 3.81 ft (1.16 m) |
| Low Tide | 11:08 AM(Sat 21 February) | 0.82 ft (0.25 m) |
| High Tide | 4:55 PM(Sat 21 February) | 4.13 ft (1.26 m) |
| Low Tide | 11:42 PM(Sat 21 February) | 0.82 ft (0.25 m) |
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Tide chart for Rio das OstrasShowing low and high tide times for the next 30 days at Rio das Ostras. Tide Times are -03 (UTC -3.0hrs).
View Rio das Ostras 7 Day Tide Chart Image.


HIGH (-03) |
LOW (-03) |
| Sun |
Moon Set Rise |
| Wind |
Saturday, 21 Feb | 22 Feb | 23 Feb | 24 Feb | 25 Feb | 26 Feb | 27 Feb | 28 Feb | 1 Mar | 2 Mar | 3 Mar | 4 Mar | 5 Mar | 6 Mar | 7 Mar | 8 Mar | 9 Mar | 10 Mar | 11 Mar | 12 Mar | 13 Mar | 14 Mar | 15 Mar | 16 Mar | 17 Mar | 18 Mar | 19 Mar | 20 Mar | 21 Mar | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | Sun | Mon | Tue | Wed | Thu | Fri | Sat | ||
4:45AM1.16m | 4:55PM1.26m | 5:14AM1.07m 5:38PM1.14m | 5:46AM0.97m 6:34PM1.00m | 6:25AM0.86m 8:20PM0.87m | 7:33AM0.76m | 00:19AM0.95m 11:02AM0.77m | 1:05AM1.06m 12:15PM0.90m | 1:36AM1.15m 12:54PM1.04m | 2:02AM1.20m 1:28PM1.18m | 2:25AM1.24m 2:00PM1.28m | 2:48AM1.25m 2:31PM1.35m | 3:10AM1.25m 3:02PM1.37m | 3:32AM1.23m 3:33PM1.35m | 3:54AM1.20m 4:04PM1.29m | 4:16AM1.15m 4:36PM1.20m | 4:39AM1.09m 5:09PM1.09m | 5:02AM1.01m 5:46PM0.97m | 5:27AM0.92m 6:40PM0.85m | 6:01AM0.82m 10:55PM0.80m | 7:47AM0.73m | 00:09AM0.91m 11:35AM0.82m | 00:44AM1.02m 12:19PM0.96m | 1:13AM1.13m 12:52PM1.09m | 1:40AM1.22m 1:21PM1.21m | 2:05AM1.28m 1:51PM1.31m | 2:30AM1.31m 2:21PM1.38m | 2:55AM1.30m 2:52PM1.41m | 3:20AM1.27m 3:26PM1.40m | 3:45AM1.21m 4:02PM1.34m | ||
11:08AM0.25m | 11:42PM0.25m | 11:44AM0.30m | 00:28AM0.41m 12:33PM0.36m | 1:41AM0.57m 1:59PM0.42m | 3:52AM0.66m 4:06PM0.40m | 5:51AM0.61m 5:41PM0.29m | 6:48AM0.52m 6:42PM0.15m | 7:25AM0.44m 7:28PM0.04m | 7:56AM0.36m 8:06PM-0.04m | 8:25AM0.30m 8:41PM-0.06m | 8:52AM0.25m 9:12PM-0.04m | 9:17AM0.21m 9:41PM0.01m | 9:42AM0.19m 10:07PM0.10m | 10:07AM0.18m 10:32PM0.20m | 10:33AM0.20m 10:56PM0.31m | 11:01AM0.24m 11:22PM0.42m | 11:33AM0.30m 11:55PM0.54m | 12:21PM0.39m | 1:02AM0.65m 2:00PM0.47m | 3:57AM0.68m 4:18PM0.45m | 5:47AM0.59m 5:41PM0.34m | 6:29AM0.49m 6:30PM0.21m | 7:02AM0.39m 7:09PM0.09m | 7:33AM0.30m 7:45PM-0.01m | 8:04AM0.23m 8:20PM-0.07m | 8:35AM0.18m 8:55PM-0.08m | 9:05AM0.14m 9:30PM-0.03m | 9:37AM0.12m 10:06PM0.07m | 10:08AM0.12m 10:42PM0.20m | ||
5:39AM | 6:22PM | 5:40AM 6:21PM | 5:40AM 6:20PM | 5:41AM 6:20PM | 5:41AM 6:19PM | 5:42AM 6:18PM | 5:42AM 6:17PM | 5:43AM 6:16PM | 5:43AM 6:16PM | 5:44AM 6:15PM | 5:44AM 6:14PM | 5:44AM 6:13PM | 5:45AM 6:12PM | 5:45AM 6:11PM | 5:46AM 6:10PM | 5:46AM 6:09PM | 5:47AM 6:09PM | 5:47AM 6:08PM | 5:47AM 6:07PM | 5:48AM 6:06PM | 5:48AM 6:05PM | 5:49AM 6:04PM | 5:49AM 6:03PM | 5:49AM 6:02PM | 5:50AM 6:01PM | 5:50AM 6:00PM | 5:50AM 5:59PM | 5:51AM 5:58PM | 5:51AM 5:57PM | ||
0.17% - (Waxing Crescent) 9:25AM | 0.19% - (Waxing Crescent) 9:00PM | 0.21% - (Waxing Crescent) 9:42PM 10:27AM | 0.24% - (First Quarter) 10:30PM 11:32AM | 0.28% - (First Quarter) 11:25PM 12:38PM | 0.31% - (Waxing Gibbous) 1:44PM | 0.35% - (Waxing Gibbous) 00:26AM 2:46PM | 0.38% - (Waxing Gibbous) 1:32AM 3:41PM | 0.42% - (Waxing Gibbous) 2:38AM 4:29PM | 0.45% - (Waxing Gibbous) 3:42AM 5:11PM | 0.49% - (Full Moon) 4:43AM 5:49PM | 0.52% - (Full Moon) 5:41AM 6:23PM | 0.56% - (Waning Gibbous) 6:36AM 6:55PM | 0.59% - (Waning Gibbous) 7:30AM 7:28PM | 0.63% - (Waning Gibbous) 8:24AM 8:01PM | 0.66% - (Waning Gibbous) 9:17AM 8:36PM | 0.69% - (Waning Gibbous) 10:11AM 9:14PM | 0.73% - (Last Quarter) 11:06AM 9:56PM | 0.76% - (Last Quarter) 12:01PM 10:42PM | 0.8% - (Waning Crescent) 12:54PM 11:33PM | 0.82% - (Waning Crescent) 1:45PM | 0.83% - (Waning Crescent) 2:33PM 00:27AM | 0.87% - (Waning Crescent) 3:16PM 1:24AM | 0.9% - (Waning Crescent) 3:56PM 2:22AM | 0.94% - (Waning Crescent) 4:34PM 3:19AM | 0.98% - (New Moon) 5:09PM 4:17AM | 1.01% - () 5:44PM 5:14AM | 0.03% - (New Moon) 6:19PM 6:13AM | 0.07% - (Waxing Crescent) 6:57PM 7:13AM | 0.1% - (Waxing Crescent) 7:39PM 8:16AM | ||

Rio das Ostras tide chart key:
The tide chart above shows the height and times of high tide and low tide for Rio das Ostras. The red flashing dot shows the tide time right now. The grey shading corresponds to nighttime hours between sunset and sunrise at Rio das Ostras.
Tide Times are -03 (UTC -3.0hrs). Last Spring High Tide at Rio das Ostras was on Thu 19 Feb (height: 1.38m 4.5ft). Next high Spring Tide at Rio das Ostras will be on Wed 04 Mar (height: 1.37m 4.5ft).
Rio das Ostras tide chart key: The tide chart above shows the height and times of high tide and low tide for Rio das Ostras. The grey shading corresponds to nighttime hours between sunset and sunrise at Rio das Ostras.
Tide Times are -03 (UTC -3.0hrs). Last Spring High Tide at Rio das Ostras was on Thu 19 Feb (height: 1.38m 4.5ft). Next high Spring Tide at Rio das Ostras will be on Wed 04 Mar (height: 1.37m 4.5ft).
Rio das Ostras tide times for February and March
February and March Tide charts for Rio das Ostras: The tide charts below show the height, time and date of high and low tides for the next 30 days.
Tide Times for Rio das Ostras (tomorrow): Sunday 22 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:14 AM(Sun 22 February) | 3.51 ft (1.07 m) |
| Low Tide | 11:44 AM(Sun 22 February) | 0.98 ft (0.3 m) |
| High Tide | 5:38 PM(Sun 22 February) | 3.74 ft (1.14 m) |
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Tide Times for Rio das Ostras: Monday 23 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 00:28 AM(Mon 23 February) | 1.35 ft (0.41 m) |
| High Tide | 5:46 AM(Mon 23 February) | 3.18 ft (0.97 m) |
| Low Tide | 12:33 PM(Mon 23 February) | 1.18 ft (0.36 m) |
| High Tide | 6:34 PM(Mon 23 February) | 3.28 ft (1.0 m) |
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Tide Times for Rio das Ostras: Tuesday 24 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 1:41 AM(Tue 24 February) | 1.87 ft (0.57 m) |
| High Tide | 6:25 AM(Tue 24 February) | 2.82 ft (0.86 m) |
| Low Tide | 1:59 PM(Tue 24 February) | 1.38 ft (0.42 m) |
| High Tide | 8:20 PM(Tue 24 February) | 2.85 ft (0.87 m) |
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Tide Times for Rio das Ostras: Wednesday 25 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 3:52 AM(Wed 25 February) | 2.17 ft (0.66 m) |
| High Tide | 7:33 AM(Wed 25 February) | 2.49 ft (0.76 m) |
| Low Tide | 4:06 PM(Wed 25 February) | 1.31 ft (0.4 m) |
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Tide Times for Rio das Ostras: Thursday 26 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 00:19 AM(Thu 26 February) | 3.12 ft (0.95 m) |
| Low Tide | 5:51 AM(Thu 26 February) | 2.0 ft (0.61 m) |
| High Tide | 11:02 AM(Thu 26 February) | 2.53 ft (0.77 m) |
| Low Tide | 5:41 PM(Thu 26 February) | 0.95 ft (0.29 m) |
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Tide Times for Rio das Ostras: Friday 27 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:05 AM(Fri 27 February) | 3.48 ft (1.06 m) |
| Low Tide | 6:48 AM(Fri 27 February) | 1.71 ft (0.52 m) |
| High Tide | 12:15 PM(Fri 27 February) | 2.95 ft (0.9 m) |
| Low Tide | 6:42 PM(Fri 27 February) | 0.49 ft (0.15 m) |
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Tide Times for Rio das Ostras: Saturday 28 February 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:36 AM(Sat 28 February) | 3.77 ft (1.15 m) |
| Low Tide | 7:25 AM(Sat 28 February) | 1.44 ft (0.44 m) |
| High Tide | 12:54 PM(Sat 28 February) | 3.41 ft (1.04 m) |
| Low Tide | 7:28 PM(Sat 28 February) | 0.13 ft (0.04 m) |
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Tide Times for Rio das Ostras: Sunday 01 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:02 AM(Sun 01 March) | 3.94 ft (1.2 m) |
| Low Tide | 7:56 AM(Sun 01 March) | 1.18 ft (0.36 m) |
| High Tide | 1:28 PM(Sun 01 March) | 3.87 ft (1.18 m) |
| Low Tide | 8:06 PM(Sun 01 March) | -0.13 ft (-0.04 m) |
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Tide Times for Rio das Ostras: Monday 02 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:25 AM(Mon 02 March) | 4.07 ft (1.24 m) |
| Low Tide | 8:25 AM(Mon 02 March) | 0.98 ft (0.3 m) |
| High Tide | 2:00 PM(Mon 02 March) | 4.2 ft (1.28 m) |
| Low Tide | 8:41 PM(Mon 02 March) | -0.2 ft (-0.06 m) |
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Tide Times for Rio das Ostras: Tuesday 03 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:48 AM(Tue 03 March) | 4.1 ft (1.25 m) |
| Low Tide | 8:52 AM(Tue 03 March) | 0.82 ft (0.25 m) |
| High Tide | 2:31 PM(Tue 03 March) | 4.43 ft (1.35 m) |
| Low Tide | 9:12 PM(Tue 03 March) | -0.13 ft (-0.04 m) |
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Tide Times for Rio das Ostras: Wednesday 04 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:10 AM(Wed 04 March) | 4.1 ft (1.25 m) |
| Low Tide | 9:17 AM(Wed 04 March) | 0.69 ft (0.21 m) |
| High Tide | 3:02 PM(Wed 04 March) | 4.49 ft (1.37 m) |
| Low Tide | 9:41 PM(Wed 04 March) | 0.03 ft (0.01 m) |
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Tide Times for Rio das Ostras: Thursday 05 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:32 AM(Thu 05 March) | 4.04 ft (1.23 m) |
| Low Tide | 9:42 AM(Thu 05 March) | 0.62 ft (0.19 m) |
| High Tide | 3:33 PM(Thu 05 March) | 4.43 ft (1.35 m) |
| Low Tide | 10:07 PM(Thu 05 March) | 0.33 ft (0.1 m) |
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Tide Times for Rio das Ostras: Friday 06 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:54 AM(Fri 06 March) | 3.94 ft (1.2 m) |
| Low Tide | 10:07 AM(Fri 06 March) | 0.59 ft (0.18 m) |
| High Tide | 4:04 PM(Fri 06 March) | 4.23 ft (1.29 m) |
| Low Tide | 10:32 PM(Fri 06 March) | 0.66 ft (0.2 m) |
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Tide Times for Rio das Ostras: Saturday 07 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:16 AM(Sat 07 March) | 3.77 ft (1.15 m) |
| Low Tide | 10:33 AM(Sat 07 March) | 0.66 ft (0.2 m) |
| High Tide | 4:36 PM(Sat 07 March) | 3.94 ft (1.2 m) |
| Low Tide | 10:56 PM(Sat 07 March) | 1.02 ft (0.31 m) |
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Tide Times for Rio das Ostras: Sunday 08 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:39 AM(Sun 08 March) | 3.58 ft (1.09 m) |
| Low Tide | 11:01 AM(Sun 08 March) | 0.79 ft (0.24 m) |
| High Tide | 5:09 PM(Sun 08 March) | 3.58 ft (1.09 m) |
| Low Tide | 11:22 PM(Sun 08 March) | 1.38 ft (0.42 m) |
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Tide Times for Rio das Ostras: Monday 09 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:02 AM(Mon 09 March) | 3.31 ft (1.01 m) |
| Low Tide | 11:33 AM(Mon 09 March) | 0.98 ft (0.3 m) |
| High Tide | 5:46 PM(Mon 09 March) | 3.18 ft (0.97 m) |
| Low Tide | 11:55 PM(Mon 09 March) | 1.77 ft (0.54 m) |
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Tide Times for Rio das Ostras: Tuesday 10 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:27 AM(Tue 10 March) | 3.02 ft (0.92 m) |
| Low Tide | 12:21 PM(Tue 10 March) | 1.28 ft (0.39 m) |
| High Tide | 6:40 PM(Tue 10 March) | 2.79 ft (0.85 m) |
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Tide Times for Rio das Ostras: Wednesday 11 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 1:02 AM(Wed 11 March) | 2.13 ft (0.65 m) |
| High Tide | 6:01 AM(Wed 11 March) | 2.69 ft (0.82 m) |
| Low Tide | 2:00 PM(Wed 11 March) | 1.54 ft (0.47 m) |
| High Tide | 10:55 PM(Wed 11 March) | 2.62 ft (0.8 m) |
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Tide Times for Rio das Ostras: Thursday 12 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 3:57 AM(Thu 12 March) | 2.23 ft (0.68 m) |
| High Tide | 7:47 AM(Thu 12 March) | 2.4 ft (0.73 m) |
| Low Tide | 4:18 PM(Thu 12 March) | 1.48 ft (0.45 m) |
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Tide Times for Rio das Ostras: Friday 13 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 00:09 AM(Fri 13 March) | 2.99 ft (0.91 m) |
| Low Tide | 5:47 AM(Fri 13 March) | 1.94 ft (0.59 m) |
| High Tide | 11:35 AM(Fri 13 March) | 2.69 ft (0.82 m) |
| Low Tide | 5:41 PM(Fri 13 March) | 1.12 ft (0.34 m) |
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Tide Times for Rio das Ostras: Saturday 14 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 00:44 AM(Sat 14 March) | 3.35 ft (1.02 m) |
| Low Tide | 6:29 AM(Sat 14 March) | 1.61 ft (0.49 m) |
| High Tide | 12:19 PM(Sat 14 March) | 3.15 ft (0.96 m) |
| Low Tide | 6:30 PM(Sat 14 March) | 0.69 ft (0.21 m) |
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Tide Times for Rio das Ostras: Sunday 15 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:13 AM(Sun 15 March) | 3.71 ft (1.13 m) |
| Low Tide | 7:02 AM(Sun 15 March) | 1.28 ft (0.39 m) |
| High Tide | 12:52 PM(Sun 15 March) | 3.58 ft (1.09 m) |
| Low Tide | 7:09 PM(Sun 15 March) | 0.3 ft (0.09 m) |
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Tide Times for Rio das Ostras: Monday 16 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:40 AM(Mon 16 March) | 4.0 ft (1.22 m) |
| Low Tide | 7:33 AM(Mon 16 March) | 0.98 ft (0.3 m) |
| High Tide | 1:21 PM(Mon 16 March) | 3.97 ft (1.21 m) |
| Low Tide | 7:45 PM(Mon 16 March) | -0.03 ft (-0.01 m) |
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Tide Times for Rio das Ostras: Tuesday 17 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:05 AM(Tue 17 March) | 4.2 ft (1.28 m) |
| Low Tide | 8:04 AM(Tue 17 March) | 0.75 ft (0.23 m) |
| High Tide | 1:51 PM(Tue 17 March) | 4.3 ft (1.31 m) |
| Low Tide | 8:20 PM(Tue 17 March) | -0.23 ft (-0.07 m) |
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Tide Times for Rio das Ostras: Wednesday 18 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:30 AM(Wed 18 March) | 4.3 ft (1.31 m) |
| Low Tide | 8:35 AM(Wed 18 March) | 0.59 ft (0.18 m) |
| High Tide | 2:21 PM(Wed 18 March) | 4.53 ft (1.38 m) |
| Low Tide | 8:55 PM(Wed 18 March) | -0.26 ft (-0.08 m) |
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Tide Times for Rio das Ostras: Thursday 19 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:55 AM(Thu 19 March) | 4.27 ft (1.3 m) |
| Low Tide | 9:05 AM(Thu 19 March) | 0.46 ft (0.14 m) |
| High Tide | 2:52 PM(Thu 19 March) | 4.63 ft (1.41 m) |
| Low Tide | 9:30 PM(Thu 19 March) | -0.1 ft (-0.03 m) |
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Tide Times for Rio das Ostras: Friday 20 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:20 AM(Fri 20 March) | 4.17 ft (1.27 m) |
| Low Tide | 9:37 AM(Fri 20 March) | 0.39 ft (0.12 m) |
| High Tide | 3:26 PM(Fri 20 March) | 4.59 ft (1.4 m) |
| Low Tide | 10:06 PM(Fri 20 March) | 0.23 ft (0.07 m) |
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Tide Times for Rio das Ostras: Saturday 21 March 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:45 AM(Sat 21 March) | 3.97 ft (1.21 m) |
| Low Tide | 10:08 AM(Sat 21 March) | 0.39 ft (0.12 m) |
| High Tide | 4:02 PM(Sat 21 March) | 4.4 ft (1.34 m) |
| Low Tide | 10:42 PM(Sat 21 March) | 0.66 ft (0.2 m) |
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