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 — and sunset is at 07:04 PM.

Days 1–4 Weather Summary

Moderate rain (total 13mm), heaviest on Sat afternoon. Warm air temperatures (max 25°C on Fri afternoon, min 19°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

Moderate rain (total 18mm), heaviest on Wed night. Warm (max 23°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 25°C on Sun afternoon, min 18°C on Sat night). Winds decreasing (fresh winds from the ENE on Sat afternoon, calm by Mon morning).

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
2:55PM1.47m
3:20AM1.40m
3:28PM1.51m
3:53AM1.45m
4:00PM1.54m
4:25AM1.48m
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
Low Tide
9:10PM0.26m
9:17AM0.31m
9:42PM0.21m
9:50AM0.28m
10:13PM0.18m
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
Wave
height (m) 
direction
period (s) 
1.8
SSW
11
1.7
SSW
11
1.6
S
11
1.4
S
11
1.3
S
10
1.5
SSW
14
2
SSW
16
2.2
SSW
15
1.9
SSW
13
2
SSW
13
2
SSW
12
2.1
E
7
2.5
E
8
2.2
E
9
2
E
9
2
E
9
2
E
9
1.7
E
9
1.6
E
9
1.5
E
9
2.2
S
8
2
SE
9
1.8
SE
9
1.5
SE
10
1.5
ESE
10
1.4
SE
10
1.3
SSW
11
1.5
S
10
1.5
S
10
1.2
SSE
10
1.1
S
10
1.3
S
10
1.2
SSE
10
1.2
SE
10
1.3
S
10
1.3
S
10
cloud
part cloud
clear
clear
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
part cloud
cloud
part cloud
mod rain
rain showers
rain showers
heavy rain
light rain
light rain
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
cloudy
some clouds
clear
clear
some clouds
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
some clouds
some clouds
cloudy
some clouds
mod rain
rain shwrs
rain shwrs
heavy rain
light rain
light rain
light rain
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
clear
clear
clear
some clouds
 km/h
15
ENE
15
NNE
10
ESE
10
E
10
W
15
SSW
15
SSE
5
E
25
ENE
30
NE
35
NE
40
ENE
40
NE
20
NE
20
ENE
15
ENE
15
SW
15
SSW
15
SSW
15
SW
25
SSW
15
SSW
10
SW
15
S
5
SE
5
NNW
20
ENE
30
ENE
20
NNE
10
E
15
S
10
SW
15
S
10
ESE
5
WNW
10
SSE
 mm 
1
3
6
3
2
1
7
2
1
11
3
2
1
2
max°C
21
20
24
25
22
23
23
22
24
25
22
26
27
23
27
28
22
23
23
22
21
21
21
21
21
20
23
24
21
24
25
22
24
24
22
23
Moonrise
3:54
4:45
5:40
6:39
7:40
8:41
9:41
10:41
11:43
12:46
1:53
Moonset
6:01
6:56
7:47
8:33
9:13
9:49
10:20
10:50
11:18
11:47
12:18
12:53
Sunrise
4:52
4:52
4:52
4:52
4:54
4:54
4:54
4:54
4:56
4:56
4:56
4:58
Sunset
7:04
7:04
7:05
7:06
7:06
7:07
7:07
7:07
7:07
7:07
7:08
7:08
Today's sea temperature in Port Saint Johns is
22.8° C
(Statistics for 18 Dec 1981-2005 – mean: 23.5 max: 25.2 min: 22.4°C)
Issued (local time): 1 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest