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 06:03 AM and sunset is at 07:58 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Fri morning, min 6°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the N by Sun afternoon).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Mon afternoon, min 4°C on Tue afternoon). Winds increasing (light winds from the NW on Mon morning, strong winds from the SSW by Tue afternoon).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Thu afternoon, min 5°C on Fri morning). Winds increasing (light winds from the NW on Sat morning, strong winds from the NNW by Sat night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Mon afternoon. Mild temperatures (max 9°C on Sun afternoon, min 3°C on Mon afternoon). Winds decreasing (gales from the WSW on Sun night, calm by Wed morning).

Days 13–16 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Wed night, min 4°C on Wed morning). Winds decreasing (strong winds from the NW on Thu night, calm by Sat morning).

Friday
16
Saturday
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
Sat
31
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
9:38AM2.34m
10:56PM2.09m
10:16AM2.25m
11:49PM1.96m
11:03AM2.16m
00:56AM1.88m
12:08PM2.07m
2:12AM1.87m
1:33PM2.03m
3:16AM1.93m
2:57PM2.06m
4:03AM2.05m
4:05PM2.15m
4:40AM2.19m
4:59PM2.25m
5:15AM2.34m
5:45PM2.36m
5:49AM2.49m
6:29PM2.45m
6:24AM2.62m
7:11PM2.52m
7:00AM2.71m
7:54PM2.54m
7:39AM2.74m
8:38PM2.52m
8:20AM2.73m
9:26PM2.45m
9:04AM2.66m
Low Tide
4:22PM0.65m
4:23AM1.31m
5:10PM0.78m
5:06AM1.40m
6:09PM0.90m
6:08AM1.46m
7:21PM0.98m
7:34AM1.45m
8:35PM1.00m
8:57AM1.34m
9:36PM0.98m
10:00AM1.16m
10:25PM0.94m
10:49AM0.95m
11:07PM0.90m
11:31AM0.73m
11:45PM0.86m
12:11PM0.52m
00:23AM0.83m
12:51PM0.36m
1:00AM0.83m
1:31PM0.24m
1:40AM0.85m
2:14PM0.19m
2:21AM0.91m
2:58PM0.22m
3:06AM0.99m
3:47PM0.30m
Wave
Height (m)
Direction
Period (s)
0.5
ENE
9
0.5
ENE
9
0.4
ENE
9
0.6
N
6
0.6
N
6
0.8
N
7
1.2
N
6
1.6
N
7
1.6
N
8
1.3
N
8
1.2
N
8
1.2
N
8
1.2
SSW
15
1.2
SSW
14
1.3
NNW
8
1.1
N
8
1.1
N
8
1.2
WNW
8
1.1
E
12
0.9
E
11
0.9
E
11
0.9
E
11
0.9
SSW
15
0.8
SSW
14
0.6
SSW
13
0.7
SSW
13
0.8
SSW
12
1.6
NNW
6
1.9
NNW
6
1.7
NNW
7
2.5
SSW
14
3
SW
10
3.5
SSW
15
3
SSW
13
2.5
SSW
12
1.8
SSW
10
1.2
S
9
1.1
S
8
1.2
SSW
14
1.3
SSW
14
1.5
NNW
6
1.5
NNW
7
1.1
N
8
1.1
N
8
1
N
8
0.8
N
7
0.8
N
8
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
light rain
light rain
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
km/h
5
NE
15
NNE
10
NNE
10
N
15
NNW
20
N
20
N
35
N
10
W
15
NNW
10
NW
30
SW
30
SSW
30
SSW
20
SSW
25
WNW
10
W
15
W
15
WSW
15
WSW
15
WSW
20
SW
15
SW
10
W
5
NW
20
NNW
20
NNW
45
NW
45
NNW
35
SW
60
WSW
55
SW
60
SW
55
SW
50
SW
35
SW
5
W
25
N
25
NNW
35
NW
40
NW
35
NW
5
WNW
15
S
15
SSE
5
E
10
NE
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
8
7
7
8
7
6
6
6
8
7
8
7
5
5
4
5
7
7
6
7
7
6
7
7
7
7
7
8
9
6
4
4
4
5
5
5
4
6
7
6
6
6
7
5
4
5
5
Moonrise
8:19
—
—
9:23
—
—
10:36
—
—
11:54
—
—
1:14
—
—
2:34
—
—
—
3:55
—
—
5:18
—
—
6:45
—
—
8:16
—
—
—
9:52
—
—
11:29
—
—
—
12:56
—
—
2:01
—
—
2:44
—
Moonset
2:32
—
—
3:14
—
—
3:43
—
—
4:02
—
—
4:16
—
—
4:26
—
—
4:35
—
—
4:43
—
—
4:51
—
—
5:00
—
—
5:13
—
—
5:31
—
—
5:59
—
—
6:46
—
—
7:55
—
—
9:22
—
Sunrise
6:03
—
—
6:01
—
—
6:00
—
—
5:56
—
—
5:54
—
—
5:52
—
—
5:50
—
—
5:48
—
—
5:46
—
—
5:43
—
—
5:41
—
—
5:39
—
—
5:35
—
—
5:33
—
—
5:31
—
—
5:30
—
Sunset
—
7:58
—
—
8:00
—
—
8:01
—
—
8:04
—
—
8:06
—
—
8:07
—
—
8:09
—
—
8:12
—
—
8:14
—
—
8:15
—
—
8:17
—
—
8:20
—
—
8:22
—
—
8:24
—
—
8:27
—
—
8:29
Today's sea temperature in San Juan is
6.7°C
(Statistics for 16 Oct 1981-2005 – mean: 5.5 max: 6.2 min: 4.5°C)
Issued (local time): 2 am Friday 16 Oct 2026
Forecast update inUpdates in  hr  min  sUpdate imminent 
Nearest locationNearest