San Nicolas Island Sea Conditions and Tide Table

San Nicolas Island 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 —.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Thu night, min 14°C on Fri morning). Winds decreasing (strong winds from the NW on Fri afternoon, light winds from the NW by Sat morning).

Days 5–7 Weather Summary

Moderate rain (total 18mm), heaviest on Wed morning. Cool air temperatures (max 18°C on Tue night, min 15°C on Sun night). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the S by Tue night).

Days 8–10 Weather Summary

Heavy rain (total 20mm), heaviest during Fri morning. Very mild (max 17°C on Thu morning, min 13°C on Fri night). Winds increasing (light winds from the S on Wed night, strong winds from the WNW by Fri afternoon).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 15°C on Mon afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the NW on Sun night, calm by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
High Tide
9:39PM0.94m
8:02AM1.61m
10:14PM0.95m
8:34AM1.62m
10:50PM0.94m
9:08AM1.61m
11:28PM0.94m
9:42AM1.58m
00:09AM0.95m
10:19AM1.51m
00:52AM0.98m
10:59AM1.40m
1:36AM1.02m
11:47AM1.25m
2:19AM1.11m
12:51PM1.08m
3:01AM1.21m
2:24PM0.91m
3:44AM1.34m
4:16PM0.82m
4:28AM1.48m
5:57PM0.82m
5:15AM1.63m
Low Tide
1:52AM0.69m
3:43PM-0.18m
2:24AM0.70m
4:17PM-0.18m
2:58AM0.70m
4:53PM-0.17m
3:34AM0.72m
5:29PM-0.14m
4:15AM0.74m
6:06PM-0.09m
5:07AM0.76m
6:44PM-0.02m
6:16AM0.77m
7:23PM0.07m
7:47AM0.72m
8:04PM0.18m
9:29AM0.59m
8:49PM0.30m
10:56AM0.38m
9:41PM0.42m
12:02PM0.13m
10:38PM0.52m
12:56PM-0.10m
Wave
height (m) 
direction
period (s) 
2.1
WNW
7
2.2
WNW
7
2.2
WNW
7
1.7
WNW
6
1.4
WNW
13
1.3
WNW
13
1.3
WNW
12
1.2
WNW
12
1.1
WNW
11
1
WNW
11
1
WNW
11
1
WNW
11
0.9
WNW
10
1
WNW
14
1
WNW
13
1.7
WSW
8
2.4
SW
8
2.2
WSW
8
1.7
WSW
8
1.6
WSW
8
2.1
W
10
3
WNW
14
3
WNW
15
3
WNW
15
2.5
WNW
13
2.2
WNW
12
1.9
WNW
12
1.5
WNW
11
1.1
WNW
10
1
WNW
10
1.2
WNW
9
1.3
WNW
5
1.5
WNW
13
1.7
WNW
12
1.5
WNW
11
1.5
WNW
11
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
mod rain
rain showers
clear
part cloud
light rain
rain showers
rain showers
mod rain
thunderstorm
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
mod rain
rain shwrs
clear
some clouds
light rain
rain shwrs
rain shwrs
mod rain
risk tstorm
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
 km/h
35
NW
40
NW
45
NW
35
WNW
10
NW
15
NW
20
WNW
15
NW
15
WNW
15
NW
10
WNW
5
NW
10
SE
15
SSE
25
SE
40
SSE
45
SW
20
SW
20
S
30
S
20
SSW
20
S
30
SSW
25
SW
30
NW
30
NW
25
NW
15
NW
15
NNW
20
NW
30
NW
30
NW
30
NW
25
NW
5
WNW
15
WNW
 mm 
9
9
1
1
6
9
3
max°C
16
14
14
15
16
16
16
15
16
15
16
15
16
16
16
18
16
16
16
17
17
17
16
15
14
14
14
14
14
14
14
14
15
15
15
15
Moonrise
6:55
7:46
8:32
9:12
9:47
10:18
10:46
11:13
11:41
12:10
12:43
1:23
Moonset
4:29
5:25
6:24
7:25
8:27
9:29
10:30
11:33
12:37
1:45
2:56
Sunrise
6:56
6:56
6:56
6:58
6:58
6:58
6:58
6:58
7:00
7:00
7:00
7:01
Sunset
4:52
4:53
4:53
4:54
4:54
4:55
4:55
4:57
4:58
4:58
4:59
5:00
Today's sea temperature in San Nicolas Island is
16.9° C
(Statistics for 18 Dec 1981-2005 – mean: 15.0 max: 16.4 min: 13.5°C)
Issued (local time): 9 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest