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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm air temperatures (max 23°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 18°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 26°C on Sun afternoon, min 19°C on Thu night). Wind will be generally light.

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
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
1:02AM1.52m
2:31PM1.59m
2:13AM1.27m
3:21PM1.69m
3:55AM1.07m
4:19PM1.80m
5:52AM1.02m
5:19PM1.91m
7:27AM1.08m
6:18PM2.03m
8:30AM1.18m
7:14PM2.14m
9:17AM1.27m
8:05PM2.22m
9:56AM1.35m
8:53PM2.25m
10:33AM1.41m
9:38PM2.23m
11:08AM1.45m
10:20PM2.16m
11:43AM1.49m
11:00PM2.02m
12:18PM1.51m
Low Tide
7:27PM0.68m
7:50AM0.18m
8:49PM0.62m
8:29AM0.37m
10:26PM0.49m
9:17AM0.55m
11:59PM0.28m
10:21AM0.70m
1:10AM0.05m
11:38AM0.79m
2:06AM-0.16m
12:50PM0.80m
2:54AM-0.30m
1:51PM0.75m
3:37AM-0.38m
2:44PM0.69m
4:17AM-0.39m
3:32PM0.62m
4:54AM-0.35m
4:16PM0.58m
5:29AM-0.27m
5:00PM0.57m
6:01AM-0.14m
Wave
height (m) 
direction
period (s) 
0.5
SSW
18.0
0.5
SSW
17.0
0.5
SSW
17.0
0.6
SSW
16.0
0.6
SSW
16.0
0.6
SSW
15.0
0.5
SSW
15.0
0.6
SSW
14.0
0.5
SSW
14.0
0.5
SSW
14.0
0.5
SSW
14.0
0.6
SSW
14.0
0.6
SSW
14.0
0.5
SSW
13.0
0.5
SSW
13.0
0.5
SSW
13.0
0.5
S
13.0
0.5
S
12.0
0.5
S
12.0
0.5
SSW
14.0
0.6
SSW
17.0
0.5
SSW
16.0
0.5
SSW
16.0
0.5
SSW
15.0
0.6
SSW
14.0
0.7
SSW
14.0
0.7
SSW
14.0
0.8
SSW
14.0
0.8
SSW
13.0
0.8
SSW
13.0
0.9
WSW
9.0
0.8
WSW
10.0
0.7
SSW
13.0
0.7
SSW
12.0
0.7
WSW
10.0
0.6
SSW
12.0
clear
clear
clear
clear
part cloud
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
some clouds
clear
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
 km/h
5
SSW
10
SW
15
WSW
5
WNW
10
W
15
W
5
NNW
15
W
15
W
5
W
15
WSW
10
W
10
SW
10
SW
15
WSW
5
WSW
10
WSW
15
W
5
WSW
10
SW
15
WSW
5
SW
10
WSW
15
WSW
5
WNW
10
WSW
15
W
5
W
10
W
15
WNW
5
WSW
10
WSW
10
WNW
5
W
10
SW
10
SW
 mm 
2
max°C
19
21
21
20
21
23
20
21
22
20
21
22
20
21
21
19
21
21
19
20
21
19
21
22
20
22
23
21
24
25
23
24
25
24
25
26
Moonrise
11:10
11:39
12:10
12:47
1:29
2:20
3:20
4:27
5:37
6:45
7:51
8:52
Moonset
10:43
11:48
12:54
2:03
3:14
4:27
5:36
6:38
7:31
8:15
8:51
9:22
9:49
Sunrise
5:50
5:52
5:52
5:52
5:54
5:54
5:54
5:56
5:56
5:56
5:58
5:58
Sunset
7:55
7:55
7:54
7:54
7:53
7:53
7:52
7:52
7:52
7:52
7:51
7:50
Today's sea temperature in National City is 19.2 °C (Statistics for 15 Jul 1981-2005 – mean: 19.4 max: 21.1 min: 18.0°C)
Issued (local time): 10 pm Tuesday 15 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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