Today's tide times for Rio das Ostras
The predicted tide times today on Friday 05 December 2025 for Rio das Ostras are: first high tide at 2:43am, first low tide at 9:09am, second high tide at 2:20pm, second low tide at 9:09pm. Sunrise is at 4:54am and sunset is at 6:22pm.
Today's tide times for Rio das Ostras: Friday 05 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:43 AM(Fri 05 December) | 4.27 ft (1.3 m) |
| Low Tide | 9:09 AM(Fri 05 December) | 1.08 ft (0.33 m) |
| High Tide | 2:20 PM(Fri 05 December) | 3.66 ft (1.12 m) |
| Low Tide | 9:09 PM(Fri 05 December) | -0.1 ft (-0.03 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 |
Friday, 5 Dec | 6 Dec | 7 Dec | 8 Dec | 9 Dec | 10 Dec | 11 Dec | 12 Dec | 13 Dec | 14 Dec | 15 Dec | 16 Dec | 17 Dec | 18 Dec | 19 Dec | 20 Dec | 21 Dec | 22 Dec | 23 Dec | 24 Dec | 25 Dec | 26 Dec | 27 Dec | 28 Dec | 29 Dec | 30 Dec | 31 Dec | 1 Jan | 2 Jan | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PM | Sat | 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 | ||
2:43AM1.30m | 2:20PM1.12m | 3:27AM1.26m 2:55PM1.13m | 4:11AM1.19m 3:33PM1.13m | 4:55AM1.09m 4:14PM1.11m | 5:42AM1.00m 4:59PM1.07m | 6:34AM0.93m 5:53PM1.02m | 7:38AM0.88m 7:02PM0.96m | 8:55AM0.87m 8:38PM0.92m | 10:05AM0.89m 10:17PM0.93m | 10:58AM0.93m 11:27PM0.98m | 11:41AM0.97m | 00:20AM1.04m 12:19PM1.00m | 1:04AM1.09m 12:54PM1.03m | 1:42AM1.14m 1:28PM1.06m | 2:18AM1.17m 2:00PM1.09m | 2:52AM1.18m 2:31PM1.12m | 3:25AM1.18m 3:04PM1.15m | 3:58AM1.17m 3:37PM1.16m | 4:33AM1.15m 4:14PM1.16m | 5:12AM1.11m 4:53PM1.14m | 5:55AM1.07m 5:38PM1.10m | 6:46AM1.02m 6:32PM1.05m | 7:48AM0.97m 7:43PM0.99m | 9:05AM0.93m 9:21PM0.97m | 10:26AM0.92m 11:05PM1.02m | 11:29AM0.94m | 00:22AM1.11m 12:19PM0.97m | 1:20AM1.19m 1:01PM1.02m | 2:08AM1.25m 1:39PM1.08m | ||
9:09AM0.33m | 9:09PM-0.03m | 9:51AM0.41m 9:54PM-0.02m | 10:30AM0.48m 10:41PM0.03m | 11:10AM0.54m 11:32PM0.12m | 11:53AM0.58m | 00:26AM0.21m 12:45PM0.61m | 1:26AM0.30m 1:49PM0.60m | 2:31AM0.37m 3:01PM0.57m | 3:39AM0.42m 4:12PM0.50m | 4:44AM0.43m 5:11PM0.42m | 5:41AM0.42m 6:00PM0.33m | 6:30AM0.40m 6:41PM0.25m | 7:12AM0.38m 7:19PM0.17m | 7:50AM0.36m 7:55PM0.11m | 8:26AM0.35m 8:32PM0.07m | 9:00AM0.35m 9:09PM0.05m | 9:35AM0.36m 9:47PM0.05m | 10:10AM0.37m 10:27PM0.07m | 10:48AM0.40m 11:09PM0.11m | 11:30AM0.43m 11:56PM0.16m | 12:19PM0.47m | 00:48AM0.22m 1:16PM0.50m | 1:50AM0.28m 2:24PM0.51m | 3:02AM0.34m 3:38PM0.47m | 4:21AM0.37m 4:50PM0.39m | 5:38AM0.38m 5:53PM0.28m | 6:43AM0.36m 6:48PM0.16m | 7:38AM0.36m 7:38PM0.05m | 8:24AM0.36m 8:25PM-0.03m | ||
4:54AM | 6:22PM | 4:54AM 6:23PM | 4:55AM 6:23PM | 4:55AM 6:24PM | 4:55AM 6:24PM | 4:55AM 6:25PM | 4:56AM 6:26PM | 4:56AM 6:26PM | 4:56AM 6:27PM | 4:57AM 6:28PM | 4:57AM 6:28PM | 4:57AM 6:29PM | 4:58AM 6:29PM | 4:58AM 6:30PM | 4:59AM 6:30PM | 4:59AM 6:31PM | 5:00AM 6:31PM | 5:00AM 6:32PM | 5:01AM 6:32PM | 5:01AM 6:33PM | 5:02AM 6:33PM | 5:02AM 6:34PM | 5:03AM 6:34PM | 5:03AM 6:34PM | 5:04AM 6:35PM | 5:05AM 6:35PM | 5:05AM 6:35PM | 5:06AM 6:36PM | 5:07AM 6:36PM | ||
0.5% - (Full Moon) 5:07AM | 0.52% - (Full Moon) 7:30PM | 0.56% - (Waning Gibbous) 6:15AM 8:33PM | 0.59% - (Waning Gibbous) 7:24AM 9:28PM | 0.63% - (Waning Gibbous) 8:32AM 10:14PM | 0.66% - (Waning Gibbous) 9:35AM 10:54PM | 0.7% - (Waning Gibbous) 10:33AM 11:28PM | 0.71% - (Waning Gibbous) 11:27AM | 0.73% - (Last Quarter) 12:19PM 00:00AM | 0.77% - (Last Quarter) 1:10PM 00:31AM | 0.8% - (Waning Crescent) 2:00PM 1:01AM | 0.84% - (Waning Crescent) 2:52PM 1:33AM | 0.87% - (Waning Crescent) 3:44PM 2:07AM | 0.91% - (Waning Crescent) 4:39PM 2:45AM | 0.94% - (Waning Crescent) 5:33PM 3:28AM | 0.98% - (New Moon) 6:27PM 4:15AM | 0.03% - (New Moon) 7:18PM 5:07AM | 0.06% - (Waxing Crescent) 8:05PM 6:02AM | 0.1% - (Waxing Crescent) 8:48PM 6:59AM | 0.13% - (Waxing Crescent) 9:27PM 7:56AM | 0.17% - (Waxing Crescent) 10:02PM 8:52AM | 0.2% - (Waxing Crescent) 10:36PM 9:47AM | 0.24% - (First Quarter) 11:10PM 10:42AM | 0.27% - (First Quarter) 11:44PM 11:38AM | 0.31% - (Waxing Gibbous) 12:37PM | 0.35% - (Waxing Gibbous) 00:21AM 1:39PM | 0.38% - (Waxing Gibbous) 1:02AM 2:45PM | 0.42% - (Waxing Gibbous) 1:50AM 3:54PM | 0.45% - (Waxing Gibbous) 2:46AM 5:04PM | 0.49% - (Full Moon) 3:50AM 6:11PM | ||

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 Wed 03 Dec (height: 1.31m 4.3ft). Next high Spring Tide at Rio das Ostras will be on Fri 19 Dec (height: 1.18m 3.9ft).
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 Wed 03 Dec (height: 1.31m 4.3ft). Next high Spring Tide at Rio das Ostras will be on Fri 19 Dec (height: 1.18m 3.9ft).
Rio das Ostras tide times for December
December 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): Saturday 06 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:27 AM(Sat 06 December) | 4.13 ft (1.26 m) |
| Low Tide | 9:51 AM(Sat 06 December) | 1.35 ft (0.41 m) |
| High Tide | 2:55 PM(Sat 06 December) | 3.71 ft (1.13 m) |
| Low Tide | 9:54 PM(Sat 06 December) | -0.07 ft (-0.02 m) |
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Tide Times for Rio das Ostras: Sunday 07 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:11 AM(Sun 07 December) | 3.9 ft (1.19 m) |
| Low Tide | 10:30 AM(Sun 07 December) | 1.58 ft (0.48 m) |
| High Tide | 3:33 PM(Sun 07 December) | 3.71 ft (1.13 m) |
| Low Tide | 10:41 PM(Sun 07 December) | 0.1 ft (0.03 m) |
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Tide Times for Rio das Ostras: Monday 08 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:55 AM(Mon 08 December) | 3.58 ft (1.09 m) |
| Low Tide | 11:10 AM(Mon 08 December) | 1.78 ft (0.54 m) |
| High Tide | 4:14 PM(Mon 08 December) | 3.64 ft (1.11 m) |
| Low Tide | 11:32 PM(Mon 08 December) | 0.39 ft (0.12 m) |
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Tide Times for Rio das Ostras: Tuesday 09 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:42 AM(Tue 09 December) | 3.28 ft (1.0 m) |
| Low Tide | 11:53 AM(Tue 09 December) | 1.9 ft (0.58 m) |
| High Tide | 4:59 PM(Tue 09 December) | 3.51 ft (1.07 m) |
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Tide Times for Rio das Ostras: Wednesday 10 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 00:26 AM(Wed 10 December) | 0.69 ft (0.21 m) |
| High Tide | 6:34 AM(Wed 10 December) | 3.05 ft (0.93 m) |
| Low Tide | 12:45 PM(Wed 10 December) | 2.0 ft (0.61 m) |
| High Tide | 5:53 PM(Wed 10 December) | 3.35 ft (1.02 m) |
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Tide Times for Rio das Ostras: Thursday 11 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 1:26 AM(Thu 11 December) | 0.98 ft (0.3 m) |
| High Tide | 7:38 AM(Thu 11 December) | 2.89 ft (0.88 m) |
| Low Tide | 1:49 PM(Thu 11 December) | 1.97 ft (0.6 m) |
| High Tide | 7:02 PM(Thu 11 December) | 3.15 ft (0.96 m) |
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Tide Times for Rio das Ostras: Friday 12 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 2:31 AM(Fri 12 December) | 1.21 ft (0.37 m) |
| High Tide | 8:55 AM(Fri 12 December) | 2.85 ft (0.87 m) |
| Low Tide | 3:01 PM(Fri 12 December) | 1.87 ft (0.57 m) |
| High Tide | 8:38 PM(Fri 12 December) | 3.02 ft (0.92 m) |
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Tide Times for Rio das Ostras: Saturday 13 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 3:39 AM(Sat 13 December) | 1.38 ft (0.42 m) |
| High Tide | 10:05 AM(Sat 13 December) | 2.92 ft (0.89 m) |
| Low Tide | 4:12 PM(Sat 13 December) | 1.64 ft (0.5 m) |
| High Tide | 10:17 PM(Sat 13 December) | 3.05 ft (0.93 m) |
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Tide Times for Rio das Ostras: Sunday 14 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 4:44 AM(Sun 14 December) | 1.41 ft (0.43 m) |
| High Tide | 10:58 AM(Sun 14 December) | 3.05 ft (0.93 m) |
| Low Tide | 5:11 PM(Sun 14 December) | 1.38 ft (0.42 m) |
| High Tide | 11:27 PM(Sun 14 December) | 3.22 ft (0.98 m) |
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Tide Times for Rio das Ostras: Monday 15 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 5:41 AM(Mon 15 December) | 1.38 ft (0.42 m) |
| High Tide | 11:41 AM(Mon 15 December) | 3.18 ft (0.97 m) |
| Low Tide | 6:00 PM(Mon 15 December) | 1.08 ft (0.33 m) |
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Tide Times for Rio das Ostras: Tuesday 16 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 00:20 AM(Tue 16 December) | 3.41 ft (1.04 m) |
| Low Tide | 6:30 AM(Tue 16 December) | 1.31 ft (0.4 m) |
| High Tide | 12:19 PM(Tue 16 December) | 3.28 ft (1.0 m) |
| Low Tide | 6:41 PM(Tue 16 December) | 0.82 ft (0.25 m) |
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Tide Times for Rio das Ostras: Wednesday 17 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:04 AM(Wed 17 December) | 3.58 ft (1.09 m) |
| Low Tide | 7:12 AM(Wed 17 December) | 1.25 ft (0.38 m) |
| High Tide | 12:54 PM(Wed 17 December) | 3.38 ft (1.03 m) |
| Low Tide | 7:19 PM(Wed 17 December) | 0.56 ft (0.17 m) |
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Tide Times for Rio das Ostras: Thursday 18 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:42 AM(Thu 18 December) | 3.74 ft (1.14 m) |
| Low Tide | 7:50 AM(Thu 18 December) | 1.18 ft (0.36 m) |
| High Tide | 1:28 PM(Thu 18 December) | 3.48 ft (1.06 m) |
| Low Tide | 7:55 PM(Thu 18 December) | 0.36 ft (0.11 m) |
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Tide Times for Rio das Ostras: Friday 19 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:18 AM(Fri 19 December) | 3.84 ft (1.17 m) |
| Low Tide | 8:26 AM(Fri 19 December) | 1.15 ft (0.35 m) |
| High Tide | 2:00 PM(Fri 19 December) | 3.58 ft (1.09 m) |
| Low Tide | 8:32 PM(Fri 19 December) | 0.23 ft (0.07 m) |
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Tide Times for Rio das Ostras: Saturday 20 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:52 AM(Sat 20 December) | 3.87 ft (1.18 m) |
| Low Tide | 9:00 AM(Sat 20 December) | 1.15 ft (0.35 m) |
| High Tide | 2:31 PM(Sat 20 December) | 3.67 ft (1.12 m) |
| Low Tide | 9:09 PM(Sat 20 December) | 0.16 ft (0.05 m) |
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Tide Times for Rio das Ostras: Sunday 21 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:25 AM(Sun 21 December) | 3.87 ft (1.18 m) |
| Low Tide | 9:35 AM(Sun 21 December) | 1.18 ft (0.36 m) |
| High Tide | 3:04 PM(Sun 21 December) | 3.77 ft (1.15 m) |
| Low Tide | 9:47 PM(Sun 21 December) | 0.16 ft (0.05 m) |
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Tide Times for Rio das Ostras: Monday 22 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 3:58 AM(Mon 22 December) | 3.84 ft (1.17 m) |
| Low Tide | 10:10 AM(Mon 22 December) | 1.21 ft (0.37 m) |
| High Tide | 3:37 PM(Mon 22 December) | 3.81 ft (1.16 m) |
| Low Tide | 10:27 PM(Mon 22 December) | 0.23 ft (0.07 m) |
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Tide Times for Rio das Ostras: Tuesday 23 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 4:33 AM(Tue 23 December) | 3.77 ft (1.15 m) |
| Low Tide | 10:48 AM(Tue 23 December) | 1.31 ft (0.4 m) |
| High Tide | 4:14 PM(Tue 23 December) | 3.81 ft (1.16 m) |
| Low Tide | 11:09 PM(Tue 23 December) | 0.36 ft (0.11 m) |
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Tide Times for Rio das Ostras: Wednesday 24 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:12 AM(Wed 24 December) | 3.64 ft (1.11 m) |
| Low Tide | 11:30 AM(Wed 24 December) | 1.41 ft (0.43 m) |
| High Tide | 4:53 PM(Wed 24 December) | 3.74 ft (1.14 m) |
| Low Tide | 11:56 PM(Wed 24 December) | 0.52 ft (0.16 m) |
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Tide Times for Rio das Ostras: Thursday 25 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 5:55 AM(Thu 25 December) | 3.51 ft (1.07 m) |
| Low Tide | 12:19 PM(Thu 25 December) | 1.54 ft (0.47 m) |
| High Tide | 5:38 PM(Thu 25 December) | 3.61 ft (1.1 m) |
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Tide Times for Rio das Ostras: Friday 26 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 00:48 AM(Fri 26 December) | 0.72 ft (0.22 m) |
| High Tide | 6:46 AM(Fri 26 December) | 3.35 ft (1.02 m) |
| Low Tide | 1:16 PM(Fri 26 December) | 1.64 ft (0.5 m) |
| High Tide | 6:32 PM(Fri 26 December) | 3.45 ft (1.05 m) |
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Tide Times for Rio das Ostras: Saturday 27 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 1:50 AM(Sat 27 December) | 0.92 ft (0.28 m) |
| High Tide | 7:48 AM(Sat 27 December) | 3.18 ft (0.97 m) |
| Low Tide | 2:24 PM(Sat 27 December) | 1.67 ft (0.51 m) |
| High Tide | 7:43 PM(Sat 27 December) | 3.25 ft (0.99 m) |
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Tide Times for Rio das Ostras: Sunday 28 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 3:02 AM(Sun 28 December) | 1.12 ft (0.34 m) |
| High Tide | 9:05 AM(Sun 28 December) | 3.05 ft (0.93 m) |
| Low Tide | 3:38 PM(Sun 28 December) | 1.54 ft (0.47 m) |
| High Tide | 9:21 PM(Sun 28 December) | 3.18 ft (0.97 m) |
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Tide Times for Rio das Ostras: Monday 29 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 4:21 AM(Mon 29 December) | 1.21 ft (0.37 m) |
| High Tide | 10:26 AM(Mon 29 December) | 3.02 ft (0.92 m) |
| Low Tide | 4:50 PM(Mon 29 December) | 1.28 ft (0.39 m) |
| High Tide | 11:05 PM(Mon 29 December) | 3.35 ft (1.02 m) |
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Tide Times for Rio das Ostras: Tuesday 30 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| Low Tide | 5:38 AM(Tue 30 December) | 1.25 ft (0.38 m) |
| High Tide | 11:29 AM(Tue 30 December) | 3.08 ft (0.94 m) |
| Low Tide | 5:53 PM(Tue 30 December) | 0.92 ft (0.28 m) |
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Tide Times for Rio das Ostras: Wednesday 31 December 2025
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 00:22 AM(Wed 31 December) | 3.64 ft (1.11 m) |
| Low Tide | 6:43 AM(Wed 31 December) | 1.18 ft (0.36 m) |
| High Tide | 12:19 PM(Wed 31 December) | 3.18 ft (0.97 m) |
| Low Tide | 6:48 PM(Wed 31 December) | 0.52 ft (0.16 m) |
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Tide Times for Rio das Ostras: Thursday 01 January 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 1:20 AM(Thu 01 January) | 3.9 ft (1.19 m) |
| Low Tide | 7:38 AM(Thu 01 January) | 1.18 ft (0.36 m) |
| High Tide | 1:01 PM(Thu 01 January) | 3.35 ft (1.02 m) |
| Low Tide | 7:38 PM(Thu 01 January) | 0.16 ft (0.05 m) |
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Tide Times for Rio das Ostras: Friday 02 January 2026
| Tide | Time (-03)& Date | Height |
|---|---|---|
| High Tide | 2:08 AM(Fri 02 January) | 4.1 ft (1.25 m) |
| Low Tide | 8:24 AM(Fri 02 January) | 1.18 ft (0.36 m) |
| High Tide | 1:39 PM(Fri 02 January) | 3.54 ft (1.08 m) |
| Low Tide | 8:25 PM(Fri 02 January) | -0.1 ft (-0.03 m) |
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NOTE: We do not accept responsibility for any amendments or changes to the data whilst it is displayed / printed from our website.
