Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 7 pm Friday 15 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 1AM is: 2.0m 13s primary swell from a South direction and 1.2m 14s secondary swell from a Southwest direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be glassy and the swell rating is 4.

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

Mostly dry. Very mild (max 18°C on Fri night, min 16°C on Fri night). Wind will be generally light.

Fri
15
Saturday
16
Sunday
17
Mon
18
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
11 AM
2 PM
Rating
(10 max)
!
!
!
4
3
1
0
0
0
0
1
2
2
2
1
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)
2.5
S
14
2.2
S
14
2.1
S
13
2
S
13
1.8
S
13
1.7
S
13
1.6
S
12
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
SSE
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
16
0.8
SW
15
0.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
2349
1755
1530
1346
1077
932
738
638
547
538
456
438
338
356
235
184
182
195
181
176
176
291
258
305
Wind (km/h)
15
SW
10
WSW
5
NNW
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
S
10
SSE
10
SSE
10
SE
10
SE
10
SE
15
SE
20
SE
25
SE
cross-off
cross-off
glassy
glassy
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
2:15PM1.81m
2:25AM2.03m
2:58PM1.87m
3:09AM2.04m
3:41PM1.88m
3:54AM1.99m
Low Tide
8:13PM0.17m
8:47AM-0.03m
8:58PM0.13m
9:30AM-0.03m
9:44PM0.14m
10:14AM0.02m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
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>
5:45
5:44
5:43
5:43
Temp °C
18
18
17
16
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
17
18
18
15
17
17
16
15
14
13
13
13
14
15
16
16
17
17
16
17
17
17
16
16
16
15
14
Swell 1
Height (m)
Direction
Period (s)
2.5
S
14
2.2
S
14
2.1
S
13
2
S
13
1.8
S
13
1.7
S
13
1.6
S
12
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
SSE
11
1.2
S
11
1.2
SSE
11
1
S
11
0.9
S
11
0.9
ESE
6
0.9
ESE
6
0.8
S
10
0.7
SW
13
0.7
SW
13
0.8
SW
16
0.8
SW
15
0.9
SW
14
Energy kJ
2349
1755
1530
1346
1077
932
738
638
547
538
456
438
338
356
235
184
64
66
133
176
176
291
258
305
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
15
1.1
SW
15
1.3
SW
14
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
0.7
ESE
6
0.9
ESE
6
0.9
S
11
0.8
S
10
0.8
ESE
6
0.7
ESE
6
0.7
ESE
6
0.6
E
6
0.7
SSE
13
0.7
S
6
Energy kJ
147
557
668
581
492
457
335
256
217
190
168
166
134
124
33
62
182
135
47
43
43
31
173
31
Swell 3
Height (m)
Direction
Period (s)
0.8
SW
15
1.7
WSW
11
0.6
SW
13
0.6
SW
13
0.3
E
4
0.1
S
13
0.6
SW
13
0.5
SW
12
0.6
SW
14
0.7
SW
14
0.7
SW
14
0.6
SSE
13
0.6
S
10
0.6
S
6
0.7
S
6
0.6
S
13
Energy kJ
269
649
144
142
2
4
132
71
164
195
181
141
74
24
31
115
Wind waves
Height (m)
Direction
Period (s)
0.4
E
3
0.6
E
3
0.6
E
4
0.5
E
4
0.4
E
4
0.4
S
4
0.6
E
7
0.7
E
7
Energy kJ
3
8
10
7
4
5
32
43
Nearest Offshore or Glassy
Rating
(10 max)
5
5
5
4
4
4
4
4
4
4
4
3
2
2
3
2
2
4
3
3
3
4
4
3
Distance (km)
81
76
76
0
76
76
81
81
81
81
81
81
0
0
81
113
113
81
81
81
81
81
81
192
Best forecast wave conditions in Overberg
Rating
(10 max)
5
5
5
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)
6
5
5
5
5
4
4
4
4
4
4
4
3
3
3
4
3
4
4
3
3
4
4
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
4
5
6
5
5
5
4
5
6
9
9
7
4
4
5
8
7
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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