San Juan Sea Conditions and Tide Table

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 05:47 AM and sunset is at 07:00 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu night. Very warm air temperatures (max 30°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 5mm), mostly falling on Fri afternoon. Very warm air temperatures (max 30°C on Sat afternoon, min 25°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Tue afternoon. Warm (max 29°C on Mon afternoon, min 25°C on Mon night). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 29°C on Thu morning, min 24°C on Sat night). Winds decreasing (fresh winds from the E on Thu afternoon, calm by Sun morning).

Days 13–16 Weather Summary

Mostly dry. Warm (max 30°C on Mon afternoon, min 25°C on Sun night). Winds increasing (light winds from the ESE on Sun night, fresh winds from the E by Tue afternoon).

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
24
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
AM
PM
Wave Height Map
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High Tide
4:13PM0.40m
3:30AM0.34m
5:14PM0.46m
6:13PM0.52m
5:10AM0.26m
7:10PM0.56m
6:05AM0.24m
8:07PM0.59m
7:03AM0.23m
9:03PM0.61m
8:03AM0.23m
9:58PM0.61m
9:05AM0.24m
10:51PM0.60m
10:09AM0.26m
11:43PM0.58m
11:17AM0.28m
00:31AM0.54m
12:28PM0.31m
1:16AM0.49m
1:40PM0.34m
1:59AM0.44m
2:50PM0.37m
2:39AM0.38m
3:56PM0.41m
3:18AM0.33m
4:55PM0.44m
Low Tide
9:27AM0.02m
10:10PM0.16m
10:06AM-0.02m
11:31PM0.16m
10:51AM-0.07m
00:46AM0.14m
11:40AM-0.12m
1:54AM0.13m
12:32PM-0.15m
2:56AM0.12m
1:27PM-0.17m
3:52AM0.11m
2:24PM-0.18m
4:45AM0.10m
3:22PM-0.16m
5:35AM0.10m
4:21PM-0.12m
6:23AM0.09m
5:21PM-0.06m
7:09AM0.08m
6:24PM0.00m
7:52AM0.06m
7:31PM0.06m
8:32AM0.04m
8:43PM0.12m
9:11AM0.02m
9:59PM0.15m
9:48AM-0.00m
Wave
Height (m)
Direction
Period (s)
0.6
ENE
8
0.8
ENE
8
0.5
ENE
8
0.6
ENE
8
0.9
ENE
4
0.5
ENE
8
0.6
ENE
8
0.7
ENE
8
0.7
ENE
4
0.8
NNE
9
0.9
NNE
8
0.9
NNE
8
0.9
NNE
8
0.9
NE
8
1
E
5
0.9
ENE
5
0.9
ENE
4
1.1
ENE
5
0.9
ENE
5
1.1
ENE
5
1
ENE
5
1
ENE
5
1.1
ENE
5
0.9
NNE
11
1.1
ENE
5
1.1
ENE
5
1
ENE
5
1
NNE
10
1.1
ENE
4
0.9
ENE
5
0.9
NNE
10
0.9
NNE
10
0.7
NNE
10
0.7
NNE
10
0.8
ENE
4
0.4
NNE
10
0.4
NNE
9
0.7
NE
9
0.4
NE
9
0.6
NNE
9
0.8
E
4
0.7
NE
9
0.9
ENE
5
1.1
NNE
10
1
NNE
11
1.3
NNE
10
1.3
NNE
10
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
risk tstorm
risk tstorm
risk tstorm
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
risk tstorm
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
km/h
20
E
20
E
10
SE
20
ENE
25
E
10
SE
20
E
20
E
15
ESE
20
E
20
E
10
SE
20
ESE
25
ESE
20
E
25
ESE
25
E
15
ESE
25
E
30
E
15
ESE
25
E
25
E
15
ESE
25
E
30
ENE
15
ESE
25
E
30
E
15
ESE
25
ENE
25
ENE
10
ESE
20
ENE
25
ENE
10
SE
15
ENE
20
E
10
SE
20
E
25
E
15
ESE
25
E
25
E
15
E
25
E
25
E
1
1
4
1
max °C
28
29
27
29
29
26
29
30
27
28
28
26
29
30
26
29
30
27
28
29
27
29
28
26
28
29
27
29
29
27
28
29
27
29
29
27
28
29
27
29
30
27
29
30
27
29
29
Moonrise
1:02
1:39
2:19
3:04
3:56
4:56
6:03
7:13
8:21
9:26
10:26
11:21
12:14
1:04
1:55
2:46
Moonset
1:31
2:28
3:28
4:33
5:42
6:52
7:59
8:59
9:51
10:36
11:16
11:52
12:27
1:01
1:36
Sunrise
5:47
5:47
5:47
5:47
5:47
5:47
5:47
5:48
5:48
5:48
5:48
5:48
5:48
5:48
5:48
5:48
Sunset
7:00
7:00
7:00
7:00
7:00
7:00
7:00
7:01
7:01
7:01
7:01
7:02
7:02
7:02
7:02
7:02
Today's sea temperature in San Juan is
28.1° C
(Statistics for 09 Jun 1981-2005 – mean: 27.9 max: 28.6 min: 26.8°C)
Issued (local time): 1 am Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest