Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 am Saturday 16 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
17.5° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 7AM is: 1.8m 13s primary swell from a South direction and 1.1m 14s secondary swell from a Southwest direction (forecast issued at 01:00am May 16). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (16 May)5.5ft (1.7m)13s
Afternoon (16 May)5ft (1.5m)12s
Evening (16 May)4.5ft (1.4m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 18°C on Mon morning, min 16°C on Sat morning). Winds increasing (calm on Sun morning, strong winds from the ESE by Mon night).

Saturday
16
Sunday
17
Monday
18
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)
4
3
1
0
0
0
0
1
2
2
2
1
0
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2
S
13
1.8
S
13
1.7
S
13
1.6
S
12
1.5
S
12
1.4
S
12
1.5
S
12
1.4
SSE
12
1.2
S
11
1.2
S
11
1.2
S
11
1
S
11
0.9
S
11
0.9
S
11
0.7
SW
14
0.7
SW
14
0.7
SW
13
0.7
SW
13
0.8
SW
14
0.8
SW
14
0.9
SW
14
0.7
SW
14
0.7
SW
13
1.3
S
8
Wave Graph
Metric surfscale
Energy kJ
1346
1077
932
738
638
547
639
550
357
338
345
235
184
184
195
181
176
176
231
251
301
200
163
207
Wind (km/h)
5
NNE
10
ENE
15
E
20
E
20
E
20
E
20
E
10
E
5
E
5
ENE
0
SE
10
S
15
SSE
15
SSE
10
SE
10
SE
10
SE
10
SE
15
SE
25
SE
25
ESE
30
ESE
35
ESE
40
ESE
glassy
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
on
High Tide
2:25AM2.03m
2:58PM1.87m
3:09AM2.04m
3:41PM1.88m
3:54AM1.99m
4:26PM1.84m
Low Tide
8:47AM-0.03m
8:58PM0.13m
9:30AM-0.03m
9:44PM0.14m
10:14AM0.02m
10:31PM0.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
cloud
cloud
cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:43
5:43
1
Temp °C
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
18
18
18
17
17
17
16
15
14
13
13
13
14
15
16
16
17
17
16
16
17
17
17
17
17
15
14
12
11
11
Swell 1
Height (m)
Direction
Period (s)
2
S
13
1.8
S
13
1.7
S
13
1.6
S
12
1.5
S
12
1.4
S
12
1.5
S
12
1.4
SSE
12
1.2
S
11
1.2
S
11
1.2
S
11
1
S
11
0.9
S
11
0.9
S
11
0.8
S
10
0.8
S
10
0.8
ESE
6
0.7
SW
13
0.8
SW
14
0.8
SW
14
0.9
SW
14
0.7
SW
14
0.7
SW
13
1.3
S
8
Energy kJ
1346
1077
932
738
638
547
639
550
357
338
345
235
184
184
135
130
45
176
231
251
301
200
163
207
Swell 2
Height (m)
Direction
Period (s)
1.2
SW
14
1.1
SW
14
1.1
SW
14
1
SW
13
0.9
SW
12
0.8
SW
12
0.8
SW
13
0.7
SW
13
0.7
SW
13
0.6
SW
13
0.6
SW
12
0.6
SW
13
0.8
ESE
6
0.6
SW
14
0.8
ESE
6
0.8
ESE
6
0.7
SW
13
0.7
ESE
6
0.6
E
6
0.7
SSE
13
0.6
S
13
0.6
S
12
0.6
SSW
9
0.6
SW
14
Energy kJ
581
492
457
335
256
217
190
168
166
134
124
132
42
164
49
45
176
43
30
173
117
104
53
114
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
13
0.4
E
4
0.3
E
4
0.1
S
13
0.5
SE
6
0.5
SW
12
0.6
SE
6
0.7
SW
14
0.7
SW
14
0.6
S
10
0.6
S
10
0.6
S
10
0.7
S
5
0.5
E
6
0.4
SSW
13
0.5
S
12
0.4
SSW
12
Energy kJ
144
4
2
4
18
71
25
195
181
68
74
77
29
22
68
72
61
Wind waves
Height (m)
Direction
Period (s)
0.4
E
3
0.5
E
3
0.6
E
4
0.5
E
4
0.3
ENE
4
0.5
S
5
1.2
SSE
6
0.9
SSE
6
1.1
SE
6
1.3
SE
6
1.6
ESE
6
Energy kJ
3
6
10
7
3
14
93
54
95
132
151
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
3
2
2
3
2
2
4
3
3
3
3
4
3
3
3
3
Distance (km)
0
76
81
81
81
81
81
81
81
0
0
81
113
113
81
81
81
81
81
81
192
192
192
192
Best forecast wave conditions in Overberg
Rating
(10 max)
5
4
4
4
4
4
4
4
3
3
3
3
2
2
4
3
3
3
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
5
5
4
4
4
4
4
4
4
3
3
3
4
3
4
4
3
3
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
4
5
6
6
5
4
5
4
7
9
9
4
4
4
4
5
4
4
4
4
4
  • 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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