Catalina Harbor Sea Conditions and Tide Table

Catalina Harbor 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 06:54 AM and sunset is at 04:50 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Tue night. Cool air temperatures (max 18°C on Tue night, min 14°C on Sun morning). Winds increasing (light winds from the NW on Sun morning, near gales from the SSE by Tue night).

Days 4–6 Weather Summary

Heavy rain (total 24mm), heaviest during Wed morning. Cool air temperatures (max 17°C on Wed morning, min 15°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 18mm), heaviest on Sat morning. Very mild (max 17°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 17°C on Fri morning, min 14°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the NE by Fri morning).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
9:14AM1.74m
11:31PM1.01m
9:48AM1.70m
00:10AM1.03m
10:25AM1.62m
00:52AM1.06m
11:06AM1.50m
1:34AM1.12m
11:55AM1.34m
2:17AM1.20m
1:00PM1.16m
3:01AM1.31m
2:31PM0.99m
3:46AM1.44m
4:20PM0.90m
4:32AM1.59m
6:00PM0.91m
5:20AM1.74m
7:16PM0.97m
8:16PM1.05m
9:04PM1.11m
Low Tide
4:49PM-0.17m
3:29AM0.78m
5:24PM-0.13m
4:10AM0.80m
6:00PM-0.08m
5:03AM0.83m
6:36PM0.00m
6:14AM0.83m
7:15PM0.11m
7:48AM0.78m
7:57PM0.23m
9:30AM0.63m
8:45PM0.36m
10:53AM0.40m
9:39PM0.48m
11:58AM0.14m
10:38PM0.58m
12:52PM-0.11m
11:37PM0.64m
1:42PM-0.31m
00:35AM0.66m
2:28PM-0.46m
1:29AM0.64m
Wave
height (m) 
direction
period (s) 
0.5
W
12
0.5
W
11
0.7
W
11
0.6
W
10
0.6
W
10
0.6
W
10
0.5
W
9
0.5
W
9
1.8
SSE
6
1.6
SSW
7
1.3
SW
8
1.1
SW
8
0.8
SW
7
1.1
SW
8
1.4
WSW
10
1.4
W
12
1.2
W
11
1
W
11
0.9
W
10
0.9
W
10
0.8
W
10
0.6
W
10
0.5
W
9
0.5
W
8
0.5
W
8
0.6
WSW
5
0.8
W
6
0.9
W
7
0.6
W
8
0.5
W
12
0.5
W
11
0.4
W
13
0.4
W
12
0.5
W
12
0.5
W
12
0.6
W
11
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
mod rain
light rain
rain showers
rain showers
clear
light rain
rain showers
light rain
light rain
light rain
light rain
rain showers
rain showers
cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
mod rain
light rain
rain shwrs
rain shwrs
clear
light rain
rain shwrs
light rain
light rain
light rain
light rain
rain shwrs
rain shwrs
cloudy
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
5
NW
15
WNW
20
NW
10
WNW
15
WNW
15
W
5
S
20
SE
50
SSE
20
S
15
SSE
15
S
20
SSW
20
SSW
20
S
20
S
20
SSE
20
S
10
SW
20
SSE
20
SSE
5
SSE
5
SSW
10
WNW
5
W
20
W
5
WNW
25
NE
5
SW
10
W
5
SSE
10
SSW
5
SSE
5
S
5
SE
5
ENE
 mm 
9
4
2
2
1
6
2
2
5
3
4
4
2
5
max°C
15
16
15
15
15
15
15
17
18
17
17
17
17
17
17
17
17
17
16
17
17
16
16
16
16
16
16
16
15
15
14
14
14
14
14
15
Moonrise
8:28
9:09
9:43
10:14
10:42
11:09
11:36
12:06
12:39
1:19
2:07
3:06
Moonset
6:19
7:21
8:23
9:25
10:26
11:29
12:33
1:41
2:52
4:07
5:21
Sunrise
6:54
6:54
6:54
6:54
6:54
6:56
6:56
6:56
6:56
6:56
6:56
6:58
Sunset
4:50
4:50
4:51
4:52
4:52
4:52
4:52
4:53
4:54
4:54
4:55
4:57
Today's sea temperature in Catalina Harbor is
17.6° C
(Statistics for 21 Dec 1981-2005 – mean: 14.9 max: 16.6 min: 13.5°C)
Issued (local time): 3 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest