Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 am Friday 22 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
17.0° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 5AM is: 1.1m 8s primary swell from a East-southeast direction and 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 01:00am May 22). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (22 May)3.5ft (1.0m)8s
Afternoon (22 May)2ft (0.6m)16s
Evening (22 May)2.5ft (0.7m)16s

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 17°C on Fri morning, min 15°C on Sat night). Wind will be generally light.

Friday
22
Saturday
23
Sunday
24
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
2
2
0
1
1
2
2
2
1
2
1
1
1
1
1
2
1
1
1
1
0
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
8
1.1
ESE
8
1
E
8
0.5
SSW
17
0.6
SSW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
15
0.7
SW
14
0.7
SW
14
0.6
SSW
13
0.6
SSW
13
0.7
SW
13
0.7
SW
14
0.7
SW
14
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.5
SW
16
0.8
SW
16
0.9
SW
16
1
SW
16
1.1
SW
15
Wave Graph
Metric surfscale
Energy kJ
212
176
137
160
175
261
255
223
217
211
203
111
109
162
211
214
301
228
218
129
306
367
477
558
Wind (km/h)
20
WNW
20
WNW
20
W
25
W
15
SW
15
WSW
15
W
15
WNW
15
WNW
15
NW
10
NW
10
WNW
5
SW
10
S
5
ESE
5
ENE
5
NE
5
NNE
5
NNE
10
NNE
10
ESE
10
ESE
10
ESE
10
ENE
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
cross-off
cross-on
on
cross-on
glassy
cross
cross
cross
on
on
on
cross-on
High Tide
7:30AM1.40m
8:20PM1.50m
8:52AM1.30m
9:39PM1.48m
10:20AM1.27m
10:51PM1.51m
Low Tide
1:30AM0.54m
1:49PM0.51m
2:54AM0.61m
3:05PM0.59m
4:21AM0.60m
4:24PM0.61m
clear
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
part cloud
cloud
part cloud
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:31
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:38
Temp °C
15
16
16
17
17
17
16
16
16
16
16
16
17
17
16
16
15
15
15
16
17
17
16
16
12
13
13
13
15
15
14
14
14
13
14
15
17
16
16
16
15
15
15
16
17
16
15
15
Swell 1
Height (m)
Direction
Period (s)
1.2
ESE
8
1.1
ESE
8
1
E
8
0.9
ESE
8
0.8
E
8
0.7
S
6
0.8
S
6
0.8
S
6
0.8
S
6
0.7
SW
14
0.7
SW
14
0.6
SSW
13
0.6
SW
9
0.7
SW
13
0.7
SW
14
0.7
SW
14
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.6
SW
13
0.8
SW
16
0.9
SW
16
1
SW
16
1.1
SW
15
Energy kJ
212
176
137
109
78
38
49
51
51
211
203
111
59
162
211
214
301
228
218
108
306
367
477
558
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
18
0.4
SSW
18
0.4
SSW
18
0.5
SSW
17
0.6
SSW
16
0.7
E
8
0.7
SW
16
0.7
SW
15
0.7
SW
15
0.7
S
6
0.6
S
6
0.5
SW
9
0.6
SSW
13
0.6
SW
8
0.6
SW
8
0.4
SW
8
0.4
ESE
11
0.4
ESE
11
0.4
ESE
11
0.5
SW
16
0.4
SSE
12
0.4
SSE
11
0.4
SSE
11
0.4
SSE
11
Energy kJ
128
124
123
160
175
57
255
223
217
37
28
38
109
44
41
23
41
40
40
129
54
49
47
47
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
12
0.4
SW
11
0.3
S
10
0.4
SW
11
0.4
SSW
5
0.7
SW
16
0.6
E
8
0.6
E
8
0.5
E
7
0.5
E
8
0.5
E
8
0.5
S
6
0.5
S
6
0.4
SSE
6
0.4
SSE
6
0.4
SSE
5
0.3
SSE
5
0.4
SW
18
0.4
SE
12
0.4
ESE
11
0.4
ESE
11
0.4
ESE
11
0.3
E
11
0.3
E
11
Energy kJ
36
33
19
33
11
261
41
41
28
28
29
19
17
11
10
10
5
79
37
39
39
38
20
20
Wind waves
Height (m)
Direction
Period (s)
0.6
W
3
0.5
W
3
0.5
W
3
0.5
W
3
0.7
SW
10
0.4
WNW
3
0.9
SSW
6
0.8
WSW
6
0.1
SE
5
0.2
ESE
5
Energy kJ
7
5
4
5
100
3
65
36
1
2
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
3
2
2
2
2
2
2
1
1
2
3
3
2
3
3
3
3
3
4
4
Distance (km)
0
0
0
19
103
19
0
0
0
19
0
0
0
19
81
76
0
76
76
76
83
81
81
76
Best forecast wave conditions in Overberg
Rating
(10 max)
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
2
2
3
3
3
3
3
3
3
3
3
3
3
3
4
4
3
3
3
4
4
4
4
Header Global
Rating
(10 max)
4
5
7
7
7
6
5
7
5
5
6
7
8
7
6
5
5
5
5
5
6
5
5
5
  • 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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