Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 pm 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
17.4° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 8PM is: 1.4m 12s primary swell from a South direction and 0.8m 13s secondary swell from a Southwest direction, 0.6m 4s secondary swell from a East direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be 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

Moderate rain (total 11mm), heaviest on Tue morning. Very mild (max 19°C on Mon morning, min 16°C on Sat afternoon). Winds increasing (calm on Sun morning, strong winds from the ESE by Mon night).

Sat
16
Sunday
17
Monday
18
Tue
19
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)
0
0
0
0
1
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.6
S
12
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
S
11
1.2
S
11
1.2
SSE
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
0.9
SW
15
0.9
SW
15
0.9
SW
14
1.7
ESE
6
1.3
S
8
2.4
SE
7
3
SE
8
3
SE
8
Wave Graph
Metric surfscale
Energy kJ
738
638
547
538
456
418
338
356
235
184
184
195
181
176
176
228
322
309
293
211
207
588
862
981
Wind (km/h)
20
E
20
E
20
E
20
E
10
E
5
E
5
E
0
SE
10
SSE
15
SSE
15
SSE
15
SE
15
ESE
10
SE
10
ESE
10
ESE
20
ESE
25
ESE
30
ESE
35
ESE
35
ESE
40
ESE
40
ESE
40
ESE
cross-on
cross-on
on
on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
2:58PM1.87m
3:09AM2.04m
3:41PM1.88m
3:54AM1.99m
4:26PM1.84m
4:40AM1.88m
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
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:43
5:43
5:42
1
2
3
Temp °C
16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
17
19
19
18
18
17
17
16
17
13
13
13
14
15
16
16
17
17
16
16
16
16
17
17
16
17
16
14
13
11
11
10
11
Swell 1
Height (m)
Direction
Period (s)
1.6
S
12
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
S
11
1.2
S
11
1.2
SSE
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
0.9
SW
15
0.9
SW
15
0.9
SW
14
1.1
S
8
1.3
S
8
0.6
SW
12
0.6
SW
13
0.6
SW
13
Energy kJ
738
638
547
538
456
418
338
356
235
184
184
135
130
45
176
228
322
309
293
133
203
96
142
113
Swell 2
Height (m)
Direction
Period (s)
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
12
0.6
SW
12
0.6
SW
13
0.7
ESE
6
0.8
ESE
6
0.8
ESE
6
0.8
ESE
6
0.7
SW
13
0.7
S
10
0.6
S
10
0.5
S
10
0.6
S
13
0.5
S
12
0.6
SW
14
0.6
SW
13
0.4
SSW
13
0.2
SSW
12
0.3
SSE
15
Energy kJ
335
256
217
190
168
166
124
124
132
31
41
49
51
176
98
77
56
117
73
116
113
62
14
45
Swell 3
Height (m)
Direction
Period (s)
0.6
SW
13
0.4
E
4
0.3
E
4
0.1
S
13
0.4
SE
6
0.5
SW
12
0.6
SW
14
0.7
SW
14
0.7
SW
14
0.6
SSE
13
0.7
ESE
6
0.5
SSE
13
0.5
S
6
0.5
S
6
0.2
SSW
9
0.5
SSW
13
0.4
SSW
13
0.3
SSE
12
0.2
SSE
16
0.2
SSW
11
Energy kJ
144
4
2
4
12
71
164
195
181
141
44
96
20
20
8
99
62
26
25
12
Wind waves
Height (m)
Direction
Period (s)
0.5
E
3
0.6
E
4
0.6
E
4
0.5
E
4
0.3
ENE
4
0.7
ESE
7
0.9
ESE
6
0.9
ESE
6
1.5
SE
6
1.7
ESE
6
1.7
ESE
6
2.4
SE
7
3
SE
8
3
SE
8
Energy kJ
5
9
10
7
3
45
60
72
133
211
207
588
862
981
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
3
2
2
3
2
1
4
3
3
3
3
4
3
3
3
3
3
3
4
Distance (km)
81
81
81
81
81
81
0
0
81
113
107
81
81
81
81
81
81
192
192
192
192
192
226
246
Best forecast wave conditions in Overberg
Rating
(10 max)
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)
4
4
4
4
4
4
4
3
3
4
2
4
4
3
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
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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