Port Saint Johns Sea Conditions and Tide Table

Port Saint Johns 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 04:52 AM and sunset is at 07:06 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Tue afternoon. Warm air temperatures (max 28°C on Tue morning, min 21°C on Sun night). Winds decreasing (strong winds from the NE on Mon afternoon, calm by Tue afternoon).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Fri night. Warm air temperatures (max 24°C on Fri morning, min 20°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 26mm), heaviest during Sat afternoon. Warm (max 23°C on Mon afternoon, min 18°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Warm (max 24°C on Thu afternoon, min 19°C on Tue night). Winds increasing (light winds from the ENE on Tue morning, fresh winds from the ENE by Thu afternoon).

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
4:31PM1.55m
4:57AM1.50m
5:03PM1.54m
5:30AM1.50m
5:35PM1.51m
6:05AM1.49m
6:09PM1.46m
6:43AM1.47m
6:47PM1.38m
7:26AM1.44m
7:33PM1.29m
8:17AM1.39m
8:31PM1.20m
9:22AM1.35m
9:51PM1.13m
10:43AM1.34m
11:27PM1.13m
12:07PM1.38m
00:51AM1.20m
1:18PM1.46m
1:55AM1.33m
2:16PM1.55m
2:48AM1.45m
Low Tide
10:23AM0.26m
10:44PM0.16m
10:56AM0.27m
11:16PM0.16m
11:30AM0.30m
11:48PM0.18m
12:07PM0.33m
00:23AM0.22m
12:47PM0.39m
1:01AM0.27m
1:35PM0.44m
1:46AM0.35m
2:35PM0.50m
2:42AM0.43m
3:51PM0.53m
3:56AM0.49m
5:19PM0.51m
5:25AM0.50m
6:40PM0.43m
6:47AM0.43m
7:45PM0.32m
7:54AM0.33m
8:37PM0.21m
Wave
height (m) 
direction
period (s) 
2
SSW
13
2.1
SSW
13
1.9
SSW
12
2.1
E
6
2.4
E
7
2
E
8
1.7
E
8
1.6
E
9
1.5
E
9
2.2
S
9
2
SE
9
1.8
SE
9
1.8
SSE
9
1.8
SSE
9
1.7
SE
9
1.6
SE
9
1.6
SE
8
1.6
ESE
9
1.5
ESE
9
2.1
SSE
7
1.8
SE
7
1.5
SE
7
1.4
ESE
8
1.3
ESE
8
1.4
ESE
8
1.5
ESE
9
1.5
ESE
9
1.6
ESE
10
1.9
ESE
12
2
ESE
12
1.8
ESE
11
1.8
ESE
10
1.5
ESE
10
1.5
ESE
9
1.6
ESE
9
1.4
ESE
9
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
light rain
mod rain
mod rain
heavy rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
rain showers
rain showers
clear
clear
risk tstorm
risk tstorm
some clouds
clear
clear
some clouds
some clouds
risk tstorm
risk tstorm
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
light rain
mod rain
mod rain
heavy rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
clear
clear
 km/h
15
E
30
ENE
30
NE
40
ENE
45
NE
15
NE
15
ENE
15
W
5
W
25
SW
20
SSW
5
S
10
E
15
E
15
NE
20
ENE
20
ENE
0
ENE
5
SSE
20
S
15
S
15
SE
10
ESE
10
NNE
20
ENE
20
ENE
15
NE
15
E
15
E
10
ENE
15
E
15
ENE
15
NE
25
ENE
30
ENE
20
NE
 mm 
1
2
5
4
3
8
10
11
5
1
1
max°C
25
25
23
27
27
23
28
24
22
22
22
21
20
21
20
24
23
22
21
20
20
21
21
20
22
23
20
23
22
20
22
21
21
23
24
22
Moonrise
5:40
6:39
7:40
8:41
9:41
10:41
11:43
12:46
1:53
3:03
4:17
5:30
Moonset
8:33
9:13
9:49
10:20
10:50
11:18
11:47
12:18
12:53
1:34
2:24
Sunrise
4:52
4:52
4:54
4:54
4:54
4:54
4:56
4:56
4:56
4:58
4:58
4:58
Sunset
7:06
7:06
7:07
7:07
7:07
7:07
7:07
7:08
7:08
7:08
7:08
7:09
Today's sea temperature in Port Saint Johns is
22.5° C
(Statistics for 21 Dec 1981-2005 – mean: 23.5 max: 24.9 min: 22.3°C)
Issued (local time): 7 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest