Arniston Surf Break

Arniston 48 hour detailed Surf Forecast

Lat Long: 34.69° S 20.23° E

Issued: 7 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Arniston sea temperature is
16.3° C

Normal for this time of year

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 (07 Jul):

  • Morning surf: Morning surf (07 Jul, local time) - 4ft (1.2m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (07 Jul, local time) - 4ft (1.2m), 13s period with SW swell.
  • Evening surf: Evening surf (07 Jul, local time) - 4.5ft (1.4m), 14s period with SSW swell.

The current surf forecast for Arniston at 1PM is: 1.2m 12s primary swell from a Southwest direction and 0.5m 10s secondary swell from a East-southeast direction (forecast issued at 07:00am July 07). The wind direction is predicted to be glassy and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (07 Jul)4ft (1.2m)12s
Afternoon (07 Jul)4ft (1.2m)13s
Evening (07 Jul)4.5ft (1.4m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Tue afternoon, min 13°C on Wed afternoon). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
Fri
10
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
2 AM
Rating
(10 max)
2
2
3
3
3
3
3
3
3
3
3
2
0
2
2
2
!
!
!
3
3
!
!
!
Swell
Height Map
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
12
1.1
SW
12
1.2
SW
12
1.2
SW
12
1.3
SSW
14
1.3
SSW
14
1.4
SSW
13
1.4
SW
13
1.4
SW
13
1.4
SW
13
1.2
SW
12
1.4
SW
16
1.6
SW
16
1.7
SSW
16
1.9
SSW
15
1.6
SSW
11
2.1
SSW
14
2.1
SSW
14
2.1
SSW
14
2
SSW
14
2
SSW
13
2.2
SSW
13
2.4
SSW
14
2.4
S
14
Wave Graph
Metric surfscale
Energy kJ
392
398
449
456
663
617
669
711
689
585
456
1110
1255
1341
1735
611
1797
1724
1605
1400
1319
1616
2009
2147
Wind (km/h)
15
NW
10
NW
10
NW
10
SW
10
SW
5
WSW
10
NW
10
NNW
15
WNW
20
WNW
25
W
25
WSW
25
SSE
15
S
15
SSE
15
S
15
S
10
SSE
10
SE
10
SE
10
SE
5
E
5
E
5
E
Wind State
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
off
off
off
cross-off
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
on
on
on
on
glassy
High Tide
8:13PM1.58m
8:51AM1.32m
9:23PM1.54m
10:19AM1.31m
10:45PM1.55m
Low Tide
1:42PM0.50m
2:44AM0.52m
2:46PM0.58m
4:02AM0.52m
4:09PM0.62m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
clear
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:46
7:46
7:46
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:42
5:43
 mm
Temp °C
15
15
16
17
16
15
15
15
14
14
16
17
13
13
13
13
13
13
13
13
13
13
13
13
Feels °C
13
13
15
16
15
15
14
14
12
11
12
12
9
10
10
9
9
10
10
10
10
11
11
11
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
12
1.1
SW
12
1.2
SW
12
1.2
SW
12
1.3
SSW
14
1.3
SSW
14
1.4
SSW
13
1.4
SW
13
1.4
SW
13
1.4
SW
13
1.2
SW
12
1.4
SW
16
1.6
SW
16
1.7
SSW
16
1.9
SSW
15
1.6
SSW
11
2.1
SSW
14
2.1
SSW
14
2.1
SSW
14
2
SSW
14
2
SSW
13
2.2
SSW
13
2.4
SSW
14
2.4
S
14
Energy kJ
392
398
449
456
663
617
669
711
689
585
456
1110
1255
1341
1735
611
1797
1724
1605
1400
1319
1616
2009
2147
Swell 2
Height (m)
Direction
Period (s)
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.5
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
SSW
18
0.5
SSW
18
0.7
SSW
18
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.2
ESE
10
1.1
SSW
15
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.1
E
10
0.1
E
10
2
SW
12
0.1
SE
15
Energy kJ
97
72
69
59
40
40
40
39
134
182
270
19
19
19
9
551
9
10
10
11
2
2
1169
9
Swell 3
Height (m)
Direction
Period (s)
0.1
S
8
0.1
S
24
0.1
SW
22
0.2
SSW
21
0.2
SSW
21
0.3
SSW
20
0.4
SW
20
0.4
ESE
10
0.4
SE
10
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.2
E
10
0.2
ESE
10
0.1
E
10
0.1
E
11
0.1
SE
17
0.1
SE
17
0.1
S
16
0.1
SE
15
0.1
SE
15
Energy kJ
1
11
19
45
44
77
98
39
25
19
19
19
19
8
9
2
2
12
11
5
9
9
Wind waves
Height (m)
Direction
Period (s)
0.6
W
3
0.4
WSW
3
0.5
WSW
3
Energy kJ
8
2
6
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
4
5
4
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
103
135
81
81
81
81
81
81
81
183
81
81
76
Best forecast wave conditions in Overberg
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
4
4
4
5
5
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4
5
4
5
5
Header Global
Rating
(10 max)
7
5
5
5
5
7
9
9
9
8
7
6
7
7
7
7
7
7
7
6
6
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
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