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 04:46 PM.

Days 1–4 Weather Summary

Heavy rain (total 24mm), heaviest during Wed afternoon. Warm air temperatures (max 22°C on Wed morning, min 15°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed morning).

Days 5–7 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Cool air temperatures (max 18°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 20°C on Wed morning, min 14°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 18°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
11:44PM1.20m
10:09AM1.84m
00:28AM1.22m
10:48AM1.72m
1:13AM1.27m
11:35AM1.55m
2:01AM1.36m
12:39PM1.34m
2:48AM1.48m
2:14PM1.15m
3:36AM1.63m
4:04PM1.05m
4:22AM1.80m
5:38PM1.05m
5:10AM1.96m
6:52PM1.12m
5:58AM2.12m
7:53PM1.20m
8:40PM1.27m
7:35AM2.30m
9:25PM1.33m
8:23AM2.32m
Low Tide
5:13PM-0.16m
4:05AM0.82m
5:50PM-0.10m
4:54AM0.85m
6:28PM-0.02m
5:59AM0.87m
7:07PM0.09m
7:27AM0.84m
7:50PM0.22m
9:09AM0.70m
8:37PM0.36m
10:40AM0.46m
9:31PM0.49m
11:49AM0.18m
10:30PM0.59m
12:44PM-0.10m
11:28PM0.65m
1:34PM-0.33m
00:27AM0.67m
2:20PM-0.49m
1:21AM0.65m
3:05PM-0.57m
2:13AM0.60m
Wave
height (m) 
direction
period (s) 
0.4
WSW
10
0.3
WSW
10
0.5
WSW
12
0.6
SW
5
1.1
S
5
1.5
SSW
6
2.1
SW
8
1.6
SW
8
1.1
SW
8
1.1
SW
8
1.5
WSW
10
1.5
W
12
1.3
W
12
1.2
W
12
1
W
13
0.8
W
10
0.6
W
9
0.5
WSW
12
0.4
WSW
11
0.4
WSW
10
0.3
SW
13
0.3
SW
13
0.2
SSW
14
0.2
SSW
13
0.3
SW
13
0.3
SW
13
0.2
WSW
13
0.3
WSW
13
0.4
SW
12
0.4
SW
12
0.4
SW
11
0.4
SW
11
0.4
SW
11
0.3
WSW
14
0.4
SW
13
0.4
SW
12
cloud
part cloud
cloud
part cloud
cloud
cloud
heavy rain
thunderstorm
rain showers
clear
rain showers
light rain
rain showers
part cloud
cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
rain showers
rain showers
rain showers
light rain
cloud
rain showers
rain showers
thunderstorm
cloud
rain showers
clear
clear
clear
clear
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
heavy rain
risk tstorm
rain shwrs
clear
rain shwrs
light rain
rain shwrs
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
cloudy
cloudy
rain shwrs
rain shwrs
rain shwrs
light rain
cloudy
rain shwrs
rain shwrs
risk tstorm
cloudy
rain shwrs
clear
clear
clear
clear
 km/h
5
WNW
5
SW
10
SE
15
S
20
SSE
30
SSE
25
S
20
S
20
S
20
SSW
25
SSW
20
WSW
15
WNW
5
NNW
5
NNE
10
WNW
5
N
5
S
10
W
10
NNE
10
ENE
5
SSE
5
NW
10
NNW
5
WNW
10
ENE
5
SE
5
W
5
S
10
S
10
SW
5
S
5
S
10
WNW
5
N
5
NNW
 mm 
15
8
1
3
2
1
4
2
2
2
2
4
2
1
max°C
17
16
19
18
20
22
18
18
19
18
17
17
16
15
16
16
15
17
16
15
19
19
16
16
15
17
20
18
16
18
17
16
16
16
15
16
Moonrise
9:36
10:07
10:36
11:03
11:31
12:01
12:35
1:15
2:04
3:02
4:11
Moonset
7:17
8:19
9:20
10:21
11:23
12:27
1:34
2:45
3:59
5:13
6:22
7:22
Sunrise
6:47
6:48
6:48
6:48
6:48
6:48
6:48
6:50
6:50
6:50
6:50
6:50
Sunset
4:46
4:46
4:47
4:47
4:49
4:50
4:50
4:51
4:52
4:52
4:52
4:53
Today's sea temperature in National City is
16.4° C
(Statistics for 22 Dec 1981-2005 – mean: 15.3 max: 17.2 min: 14.1°C)
Issued (local time): 3 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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