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 06:56 AM and sunset is at 04:53 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Sat afternoon, min 14°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 39mm), heaviest during Tue night. Cool air temperatures (max 17°C on Tue afternoon, min 15°C on Tue night). Winds decreasing (near gales from the SSE on Tue night, light winds from the SSW by Thu night).

Days 7–9 Weather Summary

Heavy rain (total 22mm), heaviest during Sat night. Very mild (max 18°C on Fri afternoon, min 13°C on Sat night). Winds decreasing (strong winds from the W on Sun morning, light winds from the NW by Sun night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 15°C on Tue afternoon, min 14°C on Mon morning). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
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
Wave Height Map
High Tide
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
7:12PM0.88m
8:12PM0.96m
Low Tide
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
11:37PM0.57m
1:45PM-0.30m
00:35AM0.60m
Wave
height (m) 
direction
period (s) 
1.4
WNW
13
1.3
WNW
12
1.2
WNW
12
1.1
WNW
12
1
WNW
11
0.9
WNW
11
1
WNW
10
1.1
WNW
10
1.1
W
10
1
W
9
1.1
WNW
13
2.2
SSE
6
2.1
WSW
9
1.8
NW
13
1.6
NW
12
2.1
SW
8
2.5
WSW
10
3.5
WNW
14
3
WNW
13
2.4
WNW
12
1.9
WNW
12
1.9
WNW
11
1.8
WNW
10
1.9
WNW
14
2.1
WNW
12
1.9
WNW
11
1.6
WNW
10
1.3
WNW
9
1
WNW
9
0.9
WNW
8
0.8
WNW
8
0.7
NW
15
1
WNW
13
1.3
WNW
12
1.3
WNW
11
1.2
WNW
11
clear
clear
clear
cloud
part cloud
clear
clear
cloud
cloud
part cloud
light rain
heavy rain
thunderstorm
rain showers
thunderstorm
rain showers
rain showers
light rain
cloud
light rain
light rain
light rain
light rain
heavy rain
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
cloudy
some clouds
clear
clear
cloudy
cloudy
some clouds
light rain
heavy rain
risk tstorm
rain shwrs
risk tstorm
rain shwrs
rain shwrs
light rain
cloudy
light rain
light rain
light rain
light rain
heavy rain
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
 km/h
10
NW
15
NW
20
NW
15
NW
15
NW
20
NW
15
NW
15
WNW
10
WSW
20
SSE
30
SE
55
SSE
30
SSW
30
SSE
30
S
40
SSW
25
SW
10
SSW
15
SSE
20
S
25
SSE
30
SSE
25
SSW
30
NW
40
W
30
WNW
20
W
10
NW
10
NW
15
NW
15
N
15
NW
20
NW
10
NNW
10
NW
20
WNW
 mm 
3
24
1
2
2
5
1
1
1
3
2
3
13
max°C
14
15
15
15
15
15
15
15
15
16
17
17
16
17
17
17
17
17
17
18
17
17
16
14
14
14
14
14
14
14
14
15
15
15
15
14
Moonrise
7:46
8:32
9:12
9:47
10:18
10:46
11:13
11:41
12:10
12:43
1:23
2:12
Moonset
5:25
6:24
7:25
8:27
9:29
10:30
11:33
12:37
1:45
2:56
4:10
Sunrise
6:56
6:56
6:58
6:58
6:58
6:58
6:58
7:00
7:00
7:00
7:01
7:01
Sunset
4:53
4:53
4:54
4:54
4:55
4:55
4:57
4:58
4:58
4:59
5:00
5:00
Today's sea temperature in San Nicolas Island is
16.8° C
(Statistics for 20 Dec 1981-2005 – mean: 14.9 max: 16.4 min: 13.5°C)
Issued (local time): 9 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest