Arniston Surf Break

Lat Long: 34.69° S 20.23° E

Arniston 48 hour detailed Surf Forecast

Issued: 1 pm 13 Nov 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
18.6°C
0.6° 

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 (13 Nov):

  • Morning surf: Morning surf (13 Nov, local time) - 2.5ft (0.8m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Nov, local time) - 3.5ft (1.1m), 10s period with SSW swell.
  • Evening surf: Evening surf (13 Nov, local time) - 5ft (1.5m), 12s period with SSW swell.

The current surf forecast for Arniston at 7PM is: 1.3m 12s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a East direction, 1.3m 10s secondary swell from a South-southwest direction (forecast issued at 01:00pm November 13). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Nov)2.5ft (0.8m)10s
Afternoon (13 Nov)3.5ft (1.1m)10s
Evening (13 Nov)5ft (1.5m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri afternoon, min 17°C on Fri night). Winds increasing (light winds from the SE on Fri night, fresh winds from the ESE by Sat afternoon).

Fri
13
Saturday
14
Sunday
15
Mon
16
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
2 AM
5 AM
Rating
(10 max)
1
0
1
1
1
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)
0.8
SSW
10
1
SSW
10
1.3
SSW
10
1.5
SSW
12
1.6
SSW
12
1.7
SSW
12
1.8
SSW
14
1.9
SSW
14
1.9
SSW
14
1.8
SSW
14
1.8
SSW
14
1.8
SSW
14
1.7
SSW
14
1.6
SSW
14
1.5
SSW
14
1.5
SSW
13
1.5
SSW
13
1.4
SSW
13
1
SSW
13
0.9
SSW
12
0.9
SSW
12
0.9
SW
12
0.8
SSW
12
Wave Graph
Metric surfscale
Energy kJ
125
196
278
688
727
813
1249
1512
1517
1318
1244
1262
1189
1017
879
767
732
633
341
268
255
209
180
Wind (km/h)
20
SW
30
SSW
20
SSW
15
SSE
10
SE
20
ESE
25
ESE
25
ESE
30
E
30
E
35
ESE
30
ESE
30
E
30
E
25
E
25
E
25
ESE
25
SE
30
SE
20
SSE
20
SSE
15
S
20
SSE
Wind State
cross-off
cross
cross
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:04PM1.54m
5:35AM1.48m
5:38PM1.43m
6:18AM1.39m
6:21PM1.31m
Low Tide
10:57AM0.49m
11:16PM0.42m
11:33AM0.60m
11:53PM0.52m
12:19PM0.70m
00:39AM0.61m
part cloud
clear
part cloud
clear
part cloud
clear
cloud
cloud
cloud
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
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—
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5:26
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
—
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
7:19
—
—
—
—
—
—
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7:20
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—
—
—
—
—
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7:21
—
—
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7:22
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
19
19
18
17
17
17
17
17
18
18
18
17
17
17
18
18
18
19
18
18
18
18
17
Feels °C
15
14
14
15
15
14
13
13
13
12
12
12
13
12
15
15
15
16
13
15
15
15
14
  • 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
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