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 06:05 PM.

Days 1–4 Weather Summary

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

Days 5–7 Weather Summary

Heavy rain (total 47mm), heaviest during Mon night. Warm air temperatures (max 26°C on Mon afternoon, min 23°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 46mm), heaviest during Thu afternoon. Warm (max 26°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Sun afternoon. Warm (max 26°C on Tue morning, min 23°C on Tue night). Wind will be generally light.

Fri
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wed
31
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
Wave Height Map
High Tide
8:11PM0.38m
9:10AM0.70m
8:54PM0.39m
9:49AM0.70m
9:37PM0.40m
10:27AM0.70m
10:22PM0.42m
11:04AM0.69m
11:09PM0.45m
11:41AM0.68m
00:00AM0.48m
12:18PM0.65m
00:53AM0.51m
12:58PM0.62m
1:50AM0.55m
1:43PM0.58m
2:49AM0.60m
2:32PM0.53m
3:50AM0.65m
3:27PM0.49m
4:51AM0.71m
4:27PM0.46m
5:52AM0.75m
Low Tide
3:12PM0.19m
1:58AM0.06m
3:53PM0.19m
2:40AM0.07m
4:32PM0.19m
3:22AM0.09m
5:11PM0.19m
5:48PM0.19m
6:23PM0.19m
5:42AM0.18m
6:59PM0.17m
6:40AM0.21m
7:36PM0.15m
7:47AM0.24m
8:16PM0.12m
9:00AM0.24m
9:01PM0.09m
10:14AM0.23m
9:50PM0.05m
11:24AM0.21m
10:43PM0.01m
Wave
height (m) 
direction
period (s) 
1.2
NE
8
1.1
NE
8
1
ENE
9
1.1
ENE
9
1.3
ENE
11
1.4
NE
11
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.2
ENE
10
1.3
ENE
9
1.2
ENE
9
1.6
NE
8
1.6
NE
8
1.8
NE
9
1.9
NNE
10
1.7
NNE
10
1.6
NE
9
1.8
NE
9
1.8
NE
8
1.6
NE
8
1.4
NE
8
1.5
NE
8
1.6
NE
8
1.6
NE
8
1.5
NE
8
1.6
NE
8
1.7
NE
8
1.6
NE
8
1.4
ENE
8
1.3
ENE
8
1
ENE
8
1
ENE
7
1
ENE
8
1.1
NE
7
1.2
NE
8
clear
clear
clear
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
clear
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
cloudy
some clouds
cloudy
some clouds
clear
some clouds
some clouds
 km/h
20
E
10
SE
15
E
20
E
15
ENE
20
E
15
E
10
SE
10
ESE
15
ENE
15
ENE
20
E
20
E
10
E
10
E
15
ENE
10
NE
20
ENE
20
ENE
15
NE
15
NE
20
NE
10
ENE
15
ENE
15
NE
10
ENE
20
ENE
20
ENE
20
NE
15
ENE
20
NE
10
ENE
15
E
20
E
10
SE
10
SE
 mm 
1
5
5
3
4
6
3
8
2
5
9
3
4
8
5
7
12
4
8
4
3
5
3
3
5
max°C
27
25
27
27
25
25
26
25
25
26
25
25
25
25
25
25
24
25
25
24
25
26
23
24
25
24
25
25
24
25
25
24
26
26
24
25
Moonrise
7:43
8:32
9:18
9:59
10:37
11:13
11:48
12:23
1:00
1:41
2:28
Moonset
5:44
6:37
7:33
8:29
9:24
10:18
11:12
12:06
1:02
2:01
3:03
4:10
Sunrise
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
Sunset
6:05
6:06
6:06
6:07
6:07
6:07
6:07
6:08
6:08
6:09
6:09
6:10
Today's sea temperature in Rio San Juan is
28.1° C
(Statistics for 19 Dec 1981-2005 – mean: 26.9 max: 27.7 min: 25.8°C)
Issued (local time): 1 pm Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest