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 06:20 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Sun morning, min 20°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 27mm), heaviest during Tue night. Very warm air temperatures (max 31°C on Tue morning, min 21°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 36°C on Sat morning, min 24°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 87mm), heaviest during Sat night. Warm (max 30°C on Sun morning, min 22°C on Sun night). Wind will be generally light.

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
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
Low Tide
8:26PM-0.00m
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
Wave
height (m) 
direction
period (s) 
1
S
6
1
S
9
0.9
SSE
8
0.8
SSE
8
0.8
SSE
8
1
SSE
8
1
SSE
8
0.9
SSE
9
1.3
E
5
0.9
ESE
5
0.8
E
5
1.1
E
5
0.9
E
5
1
E
6
1.6
ENE
6
1.3
E
7
1.1
E
7
1.2
E
7
1.3
E
7
1.2
E
8
0.9
ENE
8
1
E
8
1.1
E
8
1
E
8
1
E
8
1.2
E
8
1.3
E
8
1.3
E
8
1.1
E
8
1
E
8
0.8
E
7
0.7
E
7
0.6
E
7
0.5
E
7
0.5
E
7
0.6
E
6
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
heavy rain
cloud
light rain
part cloud
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
heavy rain
light rain
thunderstorm
part cloud
clear
thunderstorm
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
some clouds
heavy rain
cloudy
light rain
some clouds
some clouds
some clouds
clear
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
heavy rain
light rain
risk tstorm
some clouds
clear
risk tstorm
 km/h
10
WSW
5
SSE
10
ESE
10
NE
15
ENE
20
E
15
NNE
10
ENE
20
E
15
NE
15
ENE
20
E
10
NNE
15
ENE
25
ENE
15
NNE
20
NE
15
NNE
20
NNE
15
N
10
NE
10
NNE
0
NW
5
SSE
15
NE
10
NNE
10
E
10
NE
0
E
10
S
10
NNW
5
WSW
5
SE
5
N
5
ENE
15
E
 mm 
1
1
24
1
2
1
1
48
15
18
2
1
2
max°C
21
23
23
23
25
24
22
27
25
23
28
27
23
31
30
22
25
27
25
29
32
26
32
27
25
36
32
25
30
27
23
24
25
23
26
26
Moonrise
7:30
8:33
9:28
10:14
10:54
11:28
12:00
12:31
1:01
1:33
2:07
Moonset
5:07
6:15
7:24
8:32
9:35
10:33
11:27
12:19
1:10
2:00
2:52
3:44
Sunrise
4:54
4:54
4:54
4:54
4:54
4:54
4:56
4:56
4:56
4:56
4:56
4:56
Sunset
6:20
6:21
6:22
6:22
6:22
6:23
6:23
6:24
6:25
6:25
6:27
6:27
6:28
Today's sea temperature in Rio das Ostras is
25.2° C
(Statistics for 04 Dec 1981-2005 – mean: 24.4 max: 25.9 min: 23.5°C)
Issued (local time): 8 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest