Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 pm Saturday 23 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
17.2° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 4PM is: 0.7m 13s primary swell from a Southwest direction and 0.6m 8s secondary swell from a Southwest direction (forecast issued at 01:00pm May 23). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (23 May)2.5ft (0.7m)14s
Afternoon (23 May)2.5ft (0.7m)13s
Evening (23 May)2.5ft (0.7m)14s

Table - waves today at Arniston. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat afternoon, min 15°C on Mon night). Wind will be generally light.

Sat
23
Sunday
24
Monday
25
Tue
26
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
2
2
1
2
2
2
2
2
2
2
1
2
2
1
2
3
4
4
3
2
3
3
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
13
0.6
SSW
13
0.7
SW
13
0.6
SSW
15
0.9
SW
14
0.9
SW
14
0.8
SSW
14
0.9
SW
14
0.6
SW
13
0.7
SW
16
0.9
SW
16
1
SW
16
1.2
SW
15
1.4
SW
14
1.4
SW
14
1.5
SSW
15
1.7
SSW
15
1.7
SSW
15
1.6
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
Wave Graph
Metric surfscale
Energy kJ
149
109
162
142
305
297
243
264
108
261
367
477
631
742
742
974
1255
1158
1002
457
392
411
380
398
Wind (km/h)
15
WNW
15
SW
10
S
5
S
5
N
10
N
10
N
5
NNW
0
WNW
5
ESE
10
SE
5
ESE
10
ENE
10
NE
10
ENE
5
NE
5
NE
5
SSE
10
SSW
15
WSW
15
W
15
W
15
WNW
15
WNW
off
cross-off
cross
glassy
glassy
cross-off
cross-off
cross-off
glassy
glassy
cross-on
on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross
cross-off
off
off
off
off
High Tide
8:52AM1.30m
9:39PM1.48m
10:20AM1.27m
10:51PM1.51m
11:32AM1.32m
11:48PM1.56m
Low Tide
3:05PM0.59m
4:21AM0.60m
4:24PM0.61m
5:33AM0.54m
5:31PM0.60m
6:26AM0.47m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:31
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:38
5:38
5:37
Temp °C
16
18
17
16
16
16
16
16
17
18
17
17
16
16
16
16
17
18
18
17
16
16
15
15
15
17
17
17
17
16
16
16
18
18
17
17
15
15
15
15
17
18
17
15
14
14
13
13
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
13
0.6
SSW
13
0.7
SW
13
0.6
SSW
15
0.9
SW
14
0.9
SW
14
0.8
SSW
14
0.9
SW
14
0.6
SW
13
0.7
SW
16
0.9
SW
16
1
SW
16
1.2
SW
15
1.4
SW
14
1.4
SW
14
1.5
SSW
15
1.7
SSW
15
1.7
SSW
15
1.6
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.1
SW
13
Energy kJ
149
109
162
142
305
297
243
264
108
261
367
477
631
742
742
974
1255
1158
1002
457
392
411
380
398
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
9
0.6
SW
8
0.6
SW
8
0.6
SW
8
0.5
E
11
0.5
E
11
0.4
ESE
11
0.4
ESE
11
0.4
SSW
16
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
0.4
SE
10
0.4
SE
10
0.9
SSW
13
0.8
SSW
13
0.4
SSW
13
0.4
SSW
12
0.2
SSE
10
Energy kJ
38
45
41
41
64
62
40
39
105
54
49
47
47
47
46
45
44
27
25
253
195
70
48
9
Swell 3
Height (m)
Direction
Period (s)
0.4
E
8
0.4
SSW
16
0.4
E
8
0.5
SW
12
0.4
SE
13
0.4
SE
12
0.4
SW
18
0.4
SE
12
0.4
ESE
11
0.4
ESE
11
0.4
E
11
0.4
E
11
0.3
E
11
0.3
E
10
0.4
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.2
SSE
10
0.2
E
10
Energy kJ
19
94
19
67
42
40
79
37
39
39
36
36
20
19
33
18
18
17
17
25
25
25
9
7
Wind waves
Height (m)
Direction
Period (s)
0.3
WSW
3
0.8
WSW
5
Energy kJ
1
28
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
4
4
4
4
4
4
4
4
4
3
3
2
2
Distance (km)
0
0
19
0
0
0
0
0
0
0
76
81
81
76
76
76
0
0
103
103
0
0
0
0
Best forecast wave conditions in Overberg
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
4
3
3
3
3
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
5
4
5
5
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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