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 — and sunset is at 05:06 PM.

Days 1–4 Weather Summary

Mostly dry. Low air temperatures (max 5°C on Thu afternoon, min 4°C on Fri morning). Winds decreasing (strong winds from the SW on Thu afternoon, moderate winds from the WNW by Sat night).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 5°C on Tue afternoon, min 2°C on Sun afternoon). Winds increasing (calm on Mon morning, gales from the WNW by Wed morning).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed afternoon, min 0°C on Wed night). Winds increasing (light winds from the WSW on Wed night, near gales from the WNW by Thu night).

Days 11–13 Weather Summary

Some drizzle, heaviest during Sun morning. Freeze-thaw conditions (max 4°C on Sat afternoon, min 0°C on Sun afternoon). Winds decreasing (near gales from the NW on Sat afternoon, light winds from the SW by Sat night).

Days 14–17 Weather Summary

A light fall of snow, heaviest on Thu night. Turning milder with light rain (total 7mm) on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Wed night, min 1°C on Tue night). Winds increasing (light winds from the SSW on Wed morning, near gales from the E by Fri night).

Thu
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
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
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
1:25PM2.39m
2:32AM2.02m
2:23PM2.42m
3:48AM2.06m
3:26PM2.47m
4:59AM2.15m
4:29PM2.54m
6:01AM2.26m
5:30PM2.61m
6:56AM2.37m
6:28PM2.68m
7:46AM2.46m
7:21PM2.72m
8:33AM2.52m
8:13PM2.71m
9:18AM2.54m
9:04PM2.65m
10:01AM2.53m
9:54PM2.54m
10:44AM2.49m
10:46PM2.40m
11:25AM2.42m
11:40PM2.25m
12:07PM2.34m
00:40AM2.11m
12:50PM2.25m
1:49AM2.00m
1:38PM2.19m
Low Tide
8:12PM0.77m
8:06AM1.16m
9:19PM0.66m
9:16AM1.21m
10:24PM0.53m
10:26AM1.21m
11:25PM0.39m
11:31AM1.16m
00:22AM0.27m
12:30PM1.08m
1:14AM0.19m
1:25PM1.00m
2:03AM0.17m
2:17PM0.93m
2:50AM0.21m
3:07PM0.88m
3:35AM0.31m
3:56PM0.86m
4:19AM0.46m
4:46PM0.86m
5:03AM0.66m
5:36PM0.87m
5:48AM0.87m
6:30PM0.89m
6:36AM1.07m
7:28PM0.90m
7:29AM1.25m
8:30PM0.89m
Wave
Height (m)
Direction
Period (s)
2.3
SSW
14
2.2
SSW
14
1.8
SSW
13
1.7
S
12
1.7
S
13
1.5
S
12
1.3
S
12
1.2
S
12
1.3
SSW
13
1.6
S
13
1.2
SE
13
1.1
SE
13
1.1
SE
12
1.4
N
5
1.4
NNE
8
1.6
NNE
8
1.8
SSW
12
2.4
NNW
6
2.5
NW
8
2.1
SSW
14
2.5
SSW
13
2.3
SSW
13
2.1
SSW
12
2.2
WNW
8
1.8
WSW
8
1.4
SSW
10
1.8
NW
6
2.1
NW
6
1.8
NW
6
1.3
NW
8
1.8
SSW
6
1.8
SSW
12
1.7
S
12
1.6
SSW
11
1.3
SSW
10
1.3
SSW
9
1.5
S
9
2.1
SSW
10
2.3
S
12
1.9
S
11
1.6
S
11
1.4
S
10
1.1
S
9
0.9
S
8
1.6
SSW
14
2
SSW
13
2.3
E
7
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
cloud
light snow
light snow
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
light snow
part cloud
part cloud
part cloud
cloud
cloud
mod snow
light snow
light rain
rain showers
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
clear
some clouds
clear
some clouds
some clouds
cloudy
some clouds
cloudy
light snow
light snow
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
light snow
some clouds
some clouds
some clouds
cloudy
cloudy
mod snow
light snow
light rain
rain shwrs
km/h
45
SW
40
WSW
30
W
30
NNW
40
WNW
35
WNW
25
WNW
20
WNW
35
WSW
35
S
15
S
5
SW
15
N
35
N
25
WNW
25
SW
15
WNW
60
NW
55
W
10
WSW
50
WSW
45
W
45
WNW
55
W
25
SSW
20
WNW
50
NW
55
NW
50
WNW
35
S
45
S
30
SSE
30
S
25
SSW
25
SW
30
W
35
W
15
S
20
SSW
10
NW
35
NNW
35
WNW
25
WNW
15
SSW
25
S
35
SSW
55
E
 mm
1
1
5
1
max °C
5
5
5
5
5
5
5
5
5
3
2
3
2
4
4
5
4
5
4
1
1
2
2
2
1
3
4
4
4
2
0
1
1
2
2
2
3
3
2
2
4
4
4
1
2
2
4
Moonrise
5:42
7:17
8:39
9:37
10:12
10:34
10:47
10:58
11:06
11:13
11:21
11:30
11:42
11:59
12:23
Moonset
12:50
1:23
2:20
3:41
5:19
6:59
8:34
10:03
11:27
12:49
2:09
3:29
4:48
6:04
Sunrise
9:33
9:33
9:33
9:32
9:30
9:29
9:27
9:26
9:26
9:25
9:22
9:22
9:21
9:18
9:18
Sunset
5:06
5:07
5:07
5:08
5:09
5:12
5:13
5:14
5:15
5:16
5:17
5:20
5:21
5:22
5:23
5:25
Today's sea temperature in San Juan is
7.1° C
(Statistics for 09 Jul 1981-2005 – mean: 5.3 max: 6.8 min: 4.5°C)
Issued (local time): 2 pm Thursday 09 Jul 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest