Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 1 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
15.9° C
0.0° 

Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Arniston today (06 Aug):

  • Morning surf: Morning surf (06 Aug, local time) - 5ft (1.6m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (06 Aug, local time) - 5ft (1.6m), 12s period with SSW swell.
  • Evening surf: Evening surf (06 Aug, local time) - 6ft (1.8m), 12s period with SSW swell.

The current surf forecast for Arniston at 6PM is: 1.7m 12s primary swell from a South-southwest direction and 0.8m 14s secondary swell from a Southwest direction (forecast issued at 01:00pm August 06). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (06 Aug)5ft (1.6m)13s
Afternoon (06 Aug)5ft (1.6m)12s
Evening (06 Aug)6ft (1.8m)12s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat night. Very mild (max 17°C on Sat afternoon, min 12°C on Fri night). Winds increasing (light winds from the ENE on Fri night, fresh winds from the S by Sun morning).

Thu
6
Friday
7
Saturday
8
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
1
1
1
1
2
0
0
0
0
!
!
4
4
3
3
3
3
!
!
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SW
13
1.5
SSW
12
1.7
SSW
12
1.8
SSW
12
1.6
SSW
12
1.2
SW
15
2
SSW
14
1.9
SSW
15
1.9
SSW
15
2.1
SSW
15
2.1
SSW
15
2.1
SSW
15
2
SSW
14
1.9
SSW
14
1.7
SSW
14
1.6
SSW
14
1.7
SSW
14
1.8
SW
14
2.2
SSW
14
2.4
SSW
14
2.3
SSW
14
Wave Graph
Metric surfscale
Energy kJ
732
691
800
970
636
606
1578
1580
1578
2055
1950
1873
1670
1484
1210
915
1005
1285
2082
2222
1974
Wind (km/h)
10
SW
15
S
15
SSE
15
SSE
15
SE
15
ESE
20
E
25
ENE
25
ENE
20
ENE
15
E
5
ENE
15
W
20
W
25
W
20
W
25
W
25
W
35
WSW
30
SSW
30
SSW
Wind State
cross-off
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-off
off
cross-off
off
off
off
cross-off
cross
cross
High Tide
8:08AM1.31m
8:41PM1.47m
9:49AM1.24m
10:26PM1.42m
11:42AM1.31m
Low Tide
2:03PM0.61m
3:25AM0.59m
3:44PM0.70m
5:17AM0.57m
5:44PM0.65m
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
 mm
1
1
1
1
2
2
Temp °C
12
13
13
13
13
13
14
14
14
15
16
15
14
12
12
12
14
17
14
13
12
Feels °C
10
10
9
9
9
9
9
9
9
11
14
15
11
8
7
8
9
12
8
7
6
  • 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
How to use the Wavefinder 

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.


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