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 06:43 AM and sunset is at 07:27 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Low air temperatures (max 6°C on Sat morning, min 2°C on Sun night). Winds decreasing (near gales from the NNW on Sat afternoon, light winds from the NW by Sun morning).

Days 4–6 Weather Summary

Some drizzle, heaviest during Wed morning. Low air temperatures (max 7°C on Tue afternoon, min 5°C on Thu night). Winds decreasing (severe gales from the NW on Wed morning, light winds from the W by Thu night).

Days 7–9 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Sun afternoon. Mild temperatures (max 6°C on Fri afternoon, min 1°C on Sun night). Winds increasing (calm on Fri afternoon, gales from the WNW by Sat afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 6°C on Tue night, min 0°C on Mon morning). Winds decreasing (gales from the SW on Mon afternoon, calm by Wed night).

Saturday
30
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
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
7:18AM2.71m
7:40PM2.72m
7:56AM2.75m
8:27PM2.70m
8:33AM2.73m
9:13PM2.62m
9:10AM2.65m
10:00PM2.48m
9:47AM2.52m
10:49PM2.32m
10:27AM2.38m
11:46PM2.15m
11:11AM2.23m
00:55AM2.01m
12:08PM2.10m
2:21AM1.94m
1:27PM2.02m
3:42AM1.95m
2:55PM2.03m
4:39AM2.01m
4:07PM2.12m
5:17AM2.09m
5:02PM2.23m
5:47AM2.18m
Low Tide
1:28PM0.43m
1:47AM0.48m
2:12PM0.33m
2:28AM0.59m
2:54PM0.31m
3:09AM0.75m
3:37PM0.36m
3:50AM0.93m
4:21PM0.46m
4:33AM1.12m
5:09PM0.61m
5:20AM1.29m
6:06PM0.76m
6:20AM1.43m
7:18PM0.88m
7:42AM1.50m
8:40PM0.93m
9:11AM1.46m
9:53PM0.90m
10:16AM1.34m
10:48PM0.86m
11:03AM1.19m
11:30PM0.82m
Wave
height (m) 
direction
period (s) 
2.5
N
8
3.5
N
10
3.5
N
11
3
N
11
2.5
N
10
2.2
N
10
1.9
NNW
9
1.7
N
9
1.5
N
8
1.7
N
7
1.5
N
7
1.7
NW
6
3.5
NW
8
3.5
WNW
10
2.3
W
9
2.5
WNW
9
2.1
WNW
8
1.3
WNW
7
1
S
13
0.8
S
13
1.4
NW
5
1.7
WNW
8
2.4
WNW
8
1.9
WNW
8
2.4
WSW
8
2.5
SSE
14
2
S
13
3
SW
9
3
SSW
9
1.9
S
13
1.9
SSW
8
1.4
SSW
8
1.2
S
7
1.4
WNW
8
1.7
WNW
9
1.2
WNW
8
part cloud
cloud
cloud
part cloud
cloud
rain showers
clear
cloud
cloud
cloud
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
light snow
light snow
cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
some clouds
cloudy
cloudy
some clouds
cloudy
rain shwrs
clear
cloudy
cloudy
cloudy
some clouds
some clouds
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
light rain
light rain
light snow
light snow
cloudy
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
55
N
55
NNW
45
NNW
10
NW
50
NW
25
W
35
WNW
40
WNW
30
NW
40
NW
40
NW
50
WNW
80
NW
70
WNW
45
WNW
60
WNW
50
NW
15
NW
10
SW
5
NNW
50
WNW
30
W
65
WNW
50
WNW
55
WSW
55
WSW
35
W
60
SW
65
SW
25
W
40
SW
15
W
35
WNW
30
WNW
35
WNW
5
SE
 mm 
2.0
1.0
1.0
1.0
max°C
6
6
6
5
6
3
4
4
6
6
7
7
6
7
7
7
7
7
5
6
6
5
6
4
2
2
2
0
2
2
2
3
6
6
6
6
Moonrise
9:36
11:10
12:42
2:09
3:23
4:18
4:55
5:19
5:35
5:46
5:55
Moonset
7:11
7:21
7:34
7:52
8:19
9:00
9:57
11:07
12:24
1:42
2:59
4:15
Sunrise
6:43
6:41
6:39
6:37
6:33
6:31
6:28
6:26
6:24
6:22
6:18
6:16
Sunset
7:27
7:29
7:30
7:32
7:35
7:37
7:38
7:39
7:42
7:44
7:45
7:47
Today's sea temperature in San Juan is 5.9 °C (Statistics for 30 Sep 1981-2005 – mean: 5.3 max: 6.0 min: 4.3°C)
Nearest