Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 7 pm 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
16.3° C
0.3° 

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 (25 Jul):

  • Morning surf: Morning surf (25 Jul, local time) - 5.5ft (1.7m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (25 Jul, local time) - 5.5ft (1.7m), 13s period with SSW swell.
  • Evening surf: Evening surf (25 Jul, local time) - 5.5ft (1.7m), 12s period with SSW swell.

The current surf forecast for Arniston at 2AM is: 1.7m 14s primary swell from a South-southwest direction and 0.4m 7s secondary swell from a Southeast direction (forecast issued at 07:00pm July 24). The wind direction is predicted to be offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (25 Jul)5.5ft (1.7m)13s
Afternoon (25 Jul)5.5ft (1.7m)13s
Evening (25 Jul)5.5ft (1.7m)12s

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


Short Range Forecast

Some drizzle, heaviest during Mon morning. Very mild (max 16°C on Sun afternoon, min 13°C on Fri night). Winds increasing (light winds from the NNE on Sat morning, fresh winds from the SSE by Mon morning).

Fri
24
Saturday
25
Sunday
26
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
4
4
4
4
4
3
2
1
1
1
1
2
2
2
2
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
SSW
14
1.9
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
13
1.7
SSW
13
1.7
SSW
13
1.7
SSW
13
1.7
SSW
12
1.7
SSW
12
1.7
SSW
12
1.6
SSW
12
1.3
SSW
12
1.3
SSW
12
1.3
SSW
12
1.1
SSW
14
1.2
SSW
14
1.3
SSW
13
1.3
SSW
13
Wave Graph
Metric surfscale
Energy kJ
1600
1435
1189
994
965
1042
1026
980
813
800
787
703
500
483
407
515
577
606
587
Wind (km/h)
5
SSE
10
WSW
10
WNW
10
WNW
10
NNW
10
NNW
5
NNE
10
E
15
E
15
E
10
ENE
10
NE
10
NE
10
NE
10
NE
5
ESE
10
S
15
SW
20
SW
Wind State
glassy
cross-off
off
off
cross-off
cross-off
cross
cross-on
on
on
cross-on
cross-on
cross
cross
cross
on
cross
cross-off
cross-off
High Tide
00:28AM1.34m
1:18PM1.32m
1:20AM1.43m
1:58PM1.44m
Low Tide
6:24PM0.78m
7:09AM0.60m
7:23PM0.68m
7:51AM0.49m
8:04PM0.57m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:37
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
Temp °C
14
13
13
13
13
13
14
15
15
14
14
13
13
13
15
16
16
14
14
Feels °C
13
10
10
10
10
10
12
12
12
11
12
11
10
10
13
14
14
12
11
  • 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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