Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 7 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
16.2° C
0.2° 

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 (23 Jul):

  • Morning surf: Morning surf (23 Jul, local time) - 4.5ft (1.3m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (23 Jul, local time) - 4.5ft (1.4m), 12s period with SSW swell.
  • Evening surf: Evening surf (23 Jul, local time) - 5ft (1.5m), 18s period with SSW swell.

The current surf forecast for Arniston at 3AM is: 1.2m 12s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a East-southeast direction (forecast issued at 07:00pm July 22). An open ocean swell of 0.4m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (23 Jul)4.5ft (1.3m)12s
Afternoon (23 Jul)4.5ft (1.4m)12s
Evening (23 Jul)5ft (1.5m)18s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 15°C on Thu morning, min 12°C on Wed night). Winds decreasing (fresh winds from the SSW on Thu afternoon, calm by Fri night).

Wed
22
Thursday
23
Friday
24
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)
1
2
3
2
2
2
2
0
1
2
!
!
!
!
!
!
!
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
13
1.2
SSW
13
1.3
SSW
12
1.2
SSW
12
1.3
SSW
12
1.3
SSW
12
1.3
SSW
12
1.3
SSW
12
1.3
SSW
12
1.5
SSW
18
3
SSW
17
3
SSW
16
3
SSW
16
2.5
SSW
15
2.2
SSW
15
2.2
SSW
15
2.1
SSW
14
2
SSW
14
1.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
632
523
459
385
429
456
456
449
534
1451
5076
4628
4181
3080
2038
2048
1851
1614
1267
Wind (km/h)
30
WSW
25
W
15
NNW
20
NNW
20
NW
20
NNW
25
WNW
30
SSW
25
SSW
20
S
10
SE
5
NE
10
NE
15
NE
20
NE
10
E
10
E
5
E
5
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross
cross
on
cross-on
cross
cross
cross-on
cross-on
on
on
glassy
High Tide
9:38PM1.31m
10:52AM1.15m
11:12PM1.28m
12:22PM1.21m
Low Tide
2:55PM0.77m
4:31AM0.72m
4:41PM0.83m
6:07AM0.69m
6:24PM0.78m
clear
clear
clear
clear
cloud
clear
cloud
light rain
light rain
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:39
7:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:52
 mm
2
2
Temp °C
15
14
13
13
12
12
15
13
13
14
14
14
14
12
12
13
14
14
13
Feels °C
9
9
10
9
8
7
10
7
8
9
11
11
11
9
8
10
12
13
12
  • 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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