Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 1 am 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
16.2°C
0.1° 

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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 3ft (0.9m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 5ft (1.6m), 8s period with S swell.
  • Evening surf: Evening surf (27 Sep, local time) - 5ft (1.5m), 8s period with S swell.

The current surf forecast for Arniston at 6AM is: 0.9m 14s primary swell from a Southwest direction and 0.3m 7s secondary swell from a East-southeast direction, 1.4m 7s secondary swell from a South-southwest direction (forecast issued at 01:00am September 27). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (27 Sep)3ft (0.9m)14s
Afternoon (27 Sep)5ft (1.6m)8s
Evening (27 Sep)5ft (1.5m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun morning, min 13°C on Tue night). Winds increasing (light winds from the SE on Sun night, near gales from the E by Tue afternoon).

Sunday
27
Monday
28
Tuesday
29
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
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
14
1
SW
15
0.9
SW
14
1.6
S
8
1.6
S
8
1.6
S
8
1.6
S
8
1.5
S
8
1.5
S
8
1.4
S
8
1.5
S
8
1.4
S
8
1.6
SSE
8
1.3
S
8
1.4
S
8
1.4
SSE
8
1.5
E
6
1.4
SSE
8
2.1
E
6
2.2
E
7
2.4
E
7
2.5
E
7
2.3
E
7
2.5
E
7
Wave Graph
Metric surfscale
Energy kJ
521
418
341
333
358
360
360
305
305
258
298
270
318
224
257
264
136
243
344
413
526
587
498
787
Wind (km/h)
25
SSW
25
SSW
15
S
15
S
20
SSE
20
SSE
15
SE
15
SE
20
ESE
20
ESE
20
E
25
E
30
ESE
35
ESE
35
E
35
E
35
E
40
E
45
E
50
E
50
E
50
E
45
E
45
E
Wind State
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
High Tide
3:16AM1.90m
3:28PM2.08m
3:48AM1.91m
4:00PM2.06m
4:22AM1.86m
4:34PM1.98m
Low Tide
9:17AM0.05m
9:42PM-0.02m
9:48AM0.06m
10:15PM0.00m
10:21AM0.12m
10:50PM0.09m
cloud
cloud
cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
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>
—
6:22
—
—
—
—
—
—
—
6:20
—
—
—
—
—
—
—
6:18
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:37
—
—
—
—
—
—
—
6:38
—
—
—
—
—
—
—
6:39
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
15
14
15
15
15
14
14
15
15
15
15
15
15
15
14
14
14
14
14
14
15
15
14
14
Feels °C
11
8
11
11
11
10
10
11
10
10
10
9
9
8
7
7
8
7
6
5
5
6
6
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.


Nearest locationNearest