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 — and sunset is at 04:49 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Thu afternoon, min 15°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Wed morning. Cool air temperatures (max 18°C on Tue night, min 15°C on Wed morning). Winds increasing (calm on Mon night, strong winds from the S by Tue night).

Days 8–10 Weather Summary

Heavy rain (total 37mm), heaviest during Wed afternoon. Very mild (max 17°C on Thu morning, min 14°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 16°C on Sat afternoon, min 14°C on Mon night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
9:44PM1.01m
8:09AM1.75m
10:19PM1.01m
8:41AM1.76m
10:54PM1.01m
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
Low Tide
3:08PM-0.15m
1:52AM0.74m
3:41PM-0.18m
2:23AM0.75m
4:15PM-0.19m
2:55AM0.76m
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
Wave
height (m) 
direction
period (s) 
1.1
W
7
1
W
7
1
W
7
0.9
W
7
1.1
W
6
0.7
W
6
0.6
W
10
0.6
W
13
0.6
W
12
0.6
W
11
0.5
W
11
0.5
W
10
0.5
W
10
0.5
W
10
0.5
W
10
0.5
W
9
0.9
SSE
4
1.4
SW
6
1.2
SW
7
1
SW
7
0.8
SW
7
1
W
10
1.6
W
14
1.6
W
15
1.6
W
15
1.3
W
13
1
W
12
1
W
11
1
W
11
0.8
W
10
0.7
W
9
0.5
W
9
0.5
W
5
0.6
W
14
0.9
W
13
1
W
12
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
mod rain
light rain
mod rain
rain showers
clear
rain showers
light rain
light rain
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
mod rain
light rain
mod rain
rain shwrs
clear
rain shwrs
light rain
light rain
mod rain
rain shwrs
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
 km/h
10
WNW
5
E
0
WNW
15
W
0
SSE
10
E
5
WNW
5
SW
5
NNW
15
WNW
15
WNW
10
WNW
10
WNW
5
SSE
10
SE
20
SE
35
SSE
25
W
25
SW
25
SSW
20
S
25
S
20
S
20
S
15
SSE
0
WSW
10
NNW
15
WNW
10
W
5
W
10
W
15
NW
10
WNW
15
WNW
15
WNW
15
NW
 mm 
7
5
9
2
1
5
4
7
9
max°C
18
18
17
17
15
16
16
16
16
16
16
16
16
16
16
17
18
15
16
16
17
17
17
15
14
15
15
16
16
15
15
15
15
15
15
15
Moonrise
6:51
7:43
8:28
9:09
9:43
10:14
10:42
11:09
11:36
12:06
12:39
1:19
Moonset
3:35
4:24
5:20
6:19
7:21
8:23
9:25
10:26
11:29
12:33
1:41
2:52
Sunrise
6:52
6:52
6:54
6:54
6:54
6:54
6:54
6:56
6:56
6:56
6:56
6:56
Sunset
4:49
4:49
4:49
4:50
4:50
4:51
4:52
4:52
4:52
4:52
4:53
4:54
Today's sea temperature in Catalina Harbor is
17.6° C
(Statistics for 18 Dec 1981-2005 – mean: 15.1 max: 16.6 min: 13.5°C)
Issued (local time): 3 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest