Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 pm Monday 11 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
18.2° C
(Which is slightly warmer than usual)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 7PM is: 3.5m 14s primary swell from a Southwest direction and 0.4m 12s secondary swell from a Southeast direction, 0.4m 9s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 11). The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (11 May)5ft (1.5m)12s
Afternoon (11 May)10ft (3.0m)13s
Evening (11 May)11ft (3.5m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 34mm), heaviest during Mon night. Very mild (max 18°C on Mon afternoon, min 13°C on Wed night). Winds decreasing (gales from the W on Mon afternoon, light winds from the NW by Thu morning).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
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
!
!
!
!
!
!
!
!
!
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
WSW
13
3
WSW
13
3.5
SW
14
3.5
SW
14
3.5
SW
13
2.5
SSW
14
3
SW
13
4
SW
13
2.5
SSW
13
2.5
SSW
13
2.5
SW
12
2.2
SSW
12
2.5
SW
12
3
SW
12
3
SW
12
3
SSW
12
4
SW
12
5
SW
12
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.4
SSW
12
2.3
SSW
12
2.2
SSW
11
Wave Graph
Metric surfscale
Energy kJ
2415
2723
5044
4141
3732
2358
3468
5687
2434
2023
2101
1483
2001
2160
2320
2613
4746
6753
2403
2124
1871
1543
1320
1146
Wind (km/h)
70
WNW
70
W
65
W
60
W
55
W
45
W
40
WSW
40
W
40
W
35
W
45
WSW
45
W
45
W
50
W
50
W
45
W
40
WSW
35
WSW
30
WSW
25
WSW
20
W
15
WNW
15
NW
15
NW
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
High Tide
10:58AM1.29m
11:27PM1.53m
11:59AM1.43m
00:15AM1.69m
12:48PM1.57m
00:59AM1.84m
Low Tide
4:58PM0.59m
5:53AM0.49m
5:55PM0.48m
6:40AM0.31m
6:44PM0.36m
7:23AM0.16m
mod rain
mod rain
light rain
light rain
light rain
light rain
heavy rain
light rain
cloud
light rain
rain showers
clear
part cloud
clear
cloud
light rain
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:46
5:45
5:45
6
6
2
2
3
2
12
2
2
2
1
Temp °C
17
18
18
17
17
16
15
16
17
17
17
16
16
16
15
15
16
15
15
15
14
14
13
13
5
6
7
7
8
8
8
9
11
12
10
8
8
7
5
6
8
8
9
10
10
10
10
10
Swell 1
Height (m)
Direction
Period (s)
0.7
S
9
1.6
SSW
15
0.4
SE
12
0.4
SE
12
0.3
SE
12
2.5
SSW
14
0.3
SE
11
3
SSW
13
2.5
SSW
13
2.5
SSW
13
2.2
SSW
12
0.1
SE
11
0.1
SE
11
0.1
SE
12
3
SSW
12
3
SSW
13
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.4
SSW
12
2.3
SSW
12
2.2
SSW
11
Energy kJ
76
1117
51
52
23
2358
20
3365
2434
2023
1483
5
4
5
2920
2995
2403
2124
1871
1543
1320
1146
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
12
0.5
S
9
0.4
SSE
9
0.3
SE
12
0.3
SE
12
0.1
SE
12
0.1
SE
11
0.1
SW
20
Energy kJ
53
41
29
24
23
5
5
15
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
Energy kJ
35
36
Wind waves
Height (m)
Direction
Period (s)
2.5
WSW
13
3
WSW
13
3.5
SW
14
3.5
SW
14
3.5
SW
13
2
WSW
13
3
SW
13
4
SW
13
1
W
4
1.1
W
4
2.5
SW
12
1.1
W
5
2.5
SW
12
3
SW
12
3
SW
12
3
SSW
12
4
SW
12
5
SW
12
Energy kJ
2415
2723
5044
4141
3732
1356
3468
5687
40
48
2101
52
2001
2160
2320
2613
4746
6753
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
7
2
9
8
4
6
5
5
4
4
4
4
4
4
4
4
5
5
4
4
4
Distance (km)
737
851
870
438
921
261
184
174
161
161
113
168
168
168
304
306
174
174
174
113
113
103
76
76
Best forecast wave conditions in Overberg
Rating
(10 max)
6
5
5
5
5
5
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
3
3
9
2
9
9
5
6
5
5
9
5
6
4
7
4
5
5
9
9
5
9
4
Header Global
Rating
(10 max)
5
4
5
9
5
5
9
5
9
9
8
9
9
8
6
8
7
6
6
9
9
5
9
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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Arniston surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest