Rio San Juan Sea Conditions and Tide Table

Rio San Juan 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 06:22 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Warm air temperatures (max 27°C on Sat afternoon, min 23°C on Sun morning). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 28mm), heaviest during Tue afternoon. Warm air temperatures (max 27°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 37mm), heaviest during Fri night. Warm (max 26°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Warm (max 27°C on Tue afternoon, min 22°C on Tue morning). Wind will be generally light.

Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
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
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
7:45PM0.40m
8:47AM0.70m
8:31PM0.43m
9:25AM0.71m
9:17PM0.46m
10:00AM0.71m
10:03PM0.50m
10:36AM0.69m
10:50PM0.53m
11:12AM0.67m
11:39PM0.57m
11:49AM0.63m
00:30AM0.60m
12:29PM0.58m
1:26AM0.63m
1:13PM0.53m
2:25AM0.65m
2:04PM0.48m
3:29AM0.68m
3:02PM0.45m
4:35AM0.70m
4:06PM0.42m
5:39AM0.73m
5:15PM0.42m
6:40AM0.76m
6:22PM0.44m
7:36AM0.77m
7:24PM0.47m
Low Tide
2:45PM0.21m
1:39AM0.07m
3:23PM0.20m
2:23AM0.08m
3:58PM0.19m
3:08AM0.10m
4:32PM0.18m
3:54AM0.12m
5:05PM0.17m
5:38PM0.15m
5:35AM0.17m
6:14PM0.13m
6:33AM0.20m
6:53PM0.10m
7:38AM0.22m
7:37PM0.08m
8:49AM0.23m
8:27PM0.05m
10:03AM0.23m
9:23PM0.03m
11:14AM0.22m
10:24PM0.01m
12:20PM0.20m
11:26PM-0.00m
1:17PM0.19m
00:27AM-0.01m
2:09PM0.17m
Wave
height (m) 
direction
period (s) 
1.3
N
10
1.4
NNE
9
1.5
ENE
8
1.5
ENE
8
1.3
ENE
8
1.2
ENE
9
1.3
ENE
9
1.2
ENE
9
1.2
ENE
9
1.3
ENE
10
1.5
ENE
10
1.5
ENE
10
1.5
ENE
10
1.6
ENE
10
1.6
ENE
10
1.6
ENE
10
1.5
ENE
10
1.4
ENE
10
1.3
ENE
10
1.3
ENE
10
1.4
ENE
10
1.3
ENE
10
1.3
ENE
10
1.3
ENE
9
1.3
ENE
9
1.4
ENE
10
1.3
ENE
10
1.3
ENE
9
1.1
ENE
9
1.1
ENE
9
1.3
ENE
10
1.2
NE
10
1.3
NE
10
1.3
NE
10
1.2
NE
10
1.2
NNE
9
1.3
NNE
10
1.2
NNE
10
1
NNE
10
0.9
NNE
9
0.9
NNE
9
1.5
N
9
1.7
N
8
1.7
N
8
2
N
12
2
N
12
1.9
N
11
part cloud
thunderstorm
rain showers
clear
clear
rain showers
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
rain showers
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
thunderstorm
some clouds
risk tstorm
rain shwrs
clear
clear
rain shwrs
clear
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
rain shwrs
clear
clear
clear
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
risk tstorm
 km/h
20
E
20
SE
25
SE
25
ESE
15
SE
20
ESE
25
E
15
ESE
20
ESE
20
E
20
E
20
ESE
20
E
20
ESE
20
ESE
20
E
15
ESE
15
ESE
20
E
15
ESE
20
ESE
20
E
15
ESE
20
ESE
15
ENE
15
ESE
15
ESE
20
E
10
SE
15
SE
20
E
15
SE
20
ESE
20
E
15
SE
15
SE
20
E
10
SSE
5
SE
15
ENE
5
NE
15
E
20
E
15
E
20
E
20
E
20
ENE
 mm 
3
2
1
3
3
4
6
2
4
6
1
3
2
1
8
5
4
5
4
1
6
3
2
2
3
1
1
6
4
3
5
3
17
max°C
27
25
25
27
25
26
27
25
26
26
25
25
26
25
26
27
25
26
26
25
25
26
24
26
26
25
25
26
24
26
27
24
26
26
25
26
27
25
26
27
24
25
25
25
25
26
24
Moonrise
7:15
7:58
8:38
9:15
9:50
10:25
11:01
11:39
12:22
1:11
2:07
3:10
4:17
5:24
6:29
Moonset
5:26
6:22
7:19
8:14
9:08
10:03
10:57
11:54
12:54
1:57
3:03
4:10
5:14
6:13
7:04
Sunrise
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:15
7:15
7:15
Sunset
6:22
6:22
6:23
6:24
6:24
6:25
6:27
6:27
6:28
6:28
6:29
6:30
6:30
6:30
6:30
6:31
Today's sea temperature in Rio San Juan is
27.4° C
(Statistics for 17 Jan 1981-2005 – mean: 26.3 max: 27.1 min: 25.4°C)
Issued (local time): 1 pm Saturday 17 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest