Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 1 pm 03 Oct 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
16.2°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 (03 Oct):

  • Morning surf: Morning surf (03 Oct, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (03 Oct, local time) - 2ft (0.6m), 11s period with SW swell.
  • Evening surf: Evening surf (03 Oct, local time) - 2.5ft (0.7m), 11s period with SW swell.

The current surf forecast for Arniston at 9PM is: 0.7m 11s primary swell from a Southwest direction and 0.6m 5s secondary swell from a South direction, 1.2m 5s secondary swell from a East-southeast direction (forecast issued at 01:00pm October 03). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (03 Oct)2.5ft (0.7m)9s
Afternoon (03 Oct)2ft (0.6m)11s
Evening (03 Oct)2.5ft (0.7m)11s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue morning. Warm (max 20°C on Mon morning, min 12°C on Tue morning). Winds decreasing (strong winds from the E on Sat night, light winds from the NNW by Sun night).

Sat
3
Sunday
4
Monday
5
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)
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
3
2
1
1
2
2
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)
0.7
SW
12
0.6
SW
12
0.6
SW
11
0.7
SW
11
0.7
SW
11
1.7
E
6
1.7
E
6
1.7
E
7
1.7
ESE
7
2.2
E
7
2.5
ESE
8
2.3
E
8
1.2
SSW
14
1.2
SSW
13
1.1
SSW
13
1.7
ESE
9
1.7
ESE
9
1.6
ESE
9
1.5
E
9
1.4
ESE
9
1.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
139
106
99
123
128
197
225
262
293
537
681
667
561
514
422
453
474
432
372
318
276
Wind (km/h)
25
SSE
25
SE
30
ESE
30
ESE
40
E
40
ENE
30
ENE
30
E
35
E
35
E
40
E
30
E
15
NE
5
NNW
10
NW
10
WSW
10
SSW
25
SSW
25
SW
15
WSW
15
W
Wind State
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
High Tide
8:30PM1.29m
10:00AM1.27m
10:46PM1.29m
11:40AM1.43m
Low Tide
2:00PM0.73m
3:18AM0.68m
4:34PM0.73m
5:17AM0.61m
6:07PM0.56m
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:11
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—
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—
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6:11
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—
—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:43
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—
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6:43
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6:44
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 mm
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Temp °C
16
16
16
16
16
15
16
16
17
19
18
17
18
18
18
18
20
18
17
15
15
Feels °C
11
11
11
11
9
8
12
12
12
14
12
13
17
18
17
16
18
14
13
13
13
  • 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 

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