National City Sea Conditions and Tide Table

National City 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 06:41 AM and sunset is at 04:43 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Mon morning, min 16°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Tue morning, min 17°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 19°C on Fri morning, min 15°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Thu morning. Very mild (max 19°C on Mon morning, min 16°C on Thu morning). Winds increasing (calm on Mon night, strong winds from the S by Wed night).

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
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
5:12PM1.14m
5:25AM1.74m
6:20PM1.12m
5:56AM1.81m
7:16PM1.14m
8:01PM1.16m
8:40PM1.18m
7:25AM1.95m
9:16PM1.19m
7:56AM1.97m
9:51PM1.19m
8:28AM1.97m
10:27PM1.19m
9:01AM1.96m
11:04PM1.19m
9:34AM1.92m
11:44PM1.20m
10:09AM1.84m
00:28AM1.22m
10:48AM1.72m
1:13AM1.27m
Low Tide
11:49AM0.45m
10:46PM0.51m
12:38PM0.26m
11:24PM0.61m
1:16PM0.10m
00:00AM0.68m
1:51PM-0.02m
00:33AM0.73m
2:23PM-0.11m
1:07AM0.76m
2:55PM-0.17m
1:41AM0.77m
3:28PM-0.20m
2:15AM0.77m
4:02PM-0.20m
2:50AM0.78m
4:37PM-0.19m
3:25AM0.79m
5:13PM-0.16m
4:05AM0.82m
5:50PM-0.10m
4:54AM0.85m
6:28PM-0.02m
5:59AM0.87m
Wave
height (m) 
direction
period (s) 
0.4
SW
13
0.4
SW
12
0.4
SW
12
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
16
0.4
SW
16
0.4
SW
15
0.6
WSW
14
0.6
W
13
0.7
WSW
13
0.7
WSW
10
0.7
WSW
13
0.6
WSW
13
0.5
WSW
12
0.6
WSW
12
0.7
WSW
8
0.7
WSW
8
0.5
WSW
8
0.5
WSW
8
0.4
WSW
8
0.4
WSW
11
0.4
WSW
13
0.4
SW
11
0.4
WSW
11
0.4
SW
13
0.3
WSW
12
0.4
SW
16
0.4
SW
15
0.4
SW
14
0.4
SSW
14
1.1
S
4
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
rain showers
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
rain shwrs
 km/h
5
NNW
10
NW
5
NNW
10
NW
10
NW
5
N
10
NW
10
NW
5
N
5
SW
5
W
0
E
0
W
10
WNW
0
WSW
5
WNW
5
WNW
5
S
5
S
10
SW
5
SSW
10
S
10
SW
5
SW
10
SW
10
WSW
5
NNW
10
NNW
15
NW
5
NE
5
WNW
10
W
5
SSE
10
SSE
15
S
25
SSE
 mm 
2
max°C
19
18
17
20
20
18
21
20
20
23
22
19
22
21
19
21
20
18
19
18
16
18
17
16
17
17
15
19
18
17
19
19
18
19
18
17
Moonrise
1:01
1:57
2:54
3:51
4:49
5:47
6:43
7:34
8:20
9:01
9:36
10:07
Moonset
12:45
1:11
1:39
2:11
2:49
3:32
4:21
5:17
6:16
7:17
8:19
9:20
Sunrise
6:41
6:41
6:43
6:43
6:43
6:45
6:45
6:46
6:46
6:47
6:47
6:48
Sunset
4:43
4:43
4:44
4:44
4:44
4:45
4:45
4:45
4:45
4:46
4:46
4:47
Today's sea temperature in National City is
16.6° C
(Statistics for 13 Dec 1981-2005 – mean: 15.8 max: 17.6 min: 14.3°C)
Issued (local time): 9 am Saturday 13 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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