Rio das Ostras Sea Conditions and Tide Table

Rio das Ostras Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 06:27 PM.

Days 1–4 Weather Summary

Heavy rain (total 70mm), heaviest during Tue night. Very warm air temperatures (max 33°C on Tue afternoon, min 20°C on Wed afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm air temperatures (max 26°C on Sat afternoon, min 20°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 30°C on Tue morning, min 21°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 31°C on Wed morning, min 21°C on Wed night). Mainly fresh winds.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
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
Low Tide
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
Wave
height (m) 
direction
period (s) 
0.9
E
7
0.9
E
7
1
E
7
1.2
E
7
1.3
E
7
1.1
E
7
1
E
7
0.9
E
7
2
S
7
1.8
S
8
1.6
SSE
8
1.4
SSE
8
1.2
SSE
7
1
S
10
1
S
10
0.9
S
9
0.8
SSE
9
1.3
E
5
1.3
E
7
1.1
E
6
1.2
E
5
0.9
E
5
1
E
6
1.3
E
5
1
E
6
1
E
7
1.2
E
7
1.1
ESE
7
1.1
E
7
1.5
E
6
1
E
7
0.9
ESE
7
1.4
E
5
1
E
7
0.9
ESE
7
1.4
E
5
part cloud
rain showers
thunderstorm
rain showers
part cloud
rain showers
heavy rain
heavy rain
light rain
rain showers
part cloud
cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
some clouds
rain shwrs
risk tstorm
rain shwrs
some clouds
rain shwrs
heavy rain
heavy rain
light rain
rain shwrs
some clouds
cloudy
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
 km/h
5
N
5
ENE
15
ESE
15
NE
15
NNE
15
NE
0
NNW
20
SSW
25
WSW
15
WSW
10
SW
10
SSE
5
NNW
10
NE
10
ENE
10
NE
15
NE
25
ENE
20
NE
20
NE
30
ENE
15
NE
20
NE
25
ENE
15
NNE
20
NE
25
ENE
20
NE
20
NE
25
E
15
NE
15
NE
25
E
15
NE
20
NE
30
E
 mm 
1
3
2
8
33
20
3
1
2
1
max°C
24
30
27
24
30
33
24
23
21
22
25
23
21
24
23
22
25
26
22
28
27
23
28
26
22
30
30
23
31
29
24
29
27
23
30
28
Moonrise
1:33
2:07
2:45
3:28
4:15
5:07
6:02
6:59
7:56
8:52
9:47
10:42
Moonset
2:52
3:44
4:39
5:33
6:27
7:18
8:05
8:48
9:27
10:02
10:36
Sunrise
4:56
4:56
4:58
4:58
4:58
4:58
5:00
5:00
5:01
5:01
5:01
5:01
Sunset
6:27
6:27
6:28
6:29
6:29
6:30
6:30
6:30
6:30
6:31
6:31
6:32
6:32
Today's sea temperature in Rio das Ostras is
25.6° C
(Statistics for 14 Dec 1981-2005 – mean: 24.8 max: 26.2 min: 23.4°C)
Issued (local time): 8 pm Sunday 14 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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