Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 7 am Monday 11 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
18.2° C
(Which is slightly warmer than usual)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 2PM is: 3.5m 14s primary swell from a West-southwest direction and 0.5m 9s secondary swell from a South direction, 0.4m 12s secondary swell from a Southeast direction (forecast issued at 07:00am May 11). The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (11 May)5ft (1.5m)12s
Afternoon (11 May)11ft (3.5m)14s
Evening (11 May)11ft (3.5m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 44mm), heaviest during Mon night. Very mild (max 18°C on Mon afternoon, min 13°C on Wed night). Winds decreasing (gales from the W on Mon afternoon, light winds from the WNW by Wed night).

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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)
3
0
0
0
0
0
!
!
!
!
!
!
0
!
!
0
0
!
!
!
!
!
!
!
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
SSW
12
1.5
SW
12
3
WSW
13
3.5
WSW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
13
3.5
SSW
14
3
SSW
13
2.5
SSW
13
2.5
SSW
13
2.4
SSW
12
2.3
SSW
12
2.5
SW
12
3
SW
12
3
SW
12
3
SSW
12
4
SW
12
5
SW
12
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.4
SSW
12
Wave Graph
Metric surfscale
Energy kJ
713
593
2499
3959
4796
4141
3788
3732
3891
2983
2434
2023
1722
1605
2001
2281
2320
2613
4892
6949
2459
2124
1735
1517
Wind (km/h)
25
NNW
55
NNW
65
WNW
70
W
60
W
60
W
50
W
45
W
45
WSW
40
W
40
W
35
WSW
45
W
45
W
45
W
50
W
50
W
45
W
40
W
40
WSW
30
WSW
25
WSW
20
W
20
WNW
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
10:58AM1.29m
11:27PM1.53m
11:59AM1.43m
00:15AM1.69m
12:48PM1.57m
00:59AM1.84m
Low Tide
4:58PM0.59m
5:53AM0.49m
5:55PM0.48m
6:40AM0.31m
6:44PM0.36m
cloud
light rain
mod rain
mod rain
light rain
light rain
light rain
light rain
mod rain
light rain
rain showers
light rain
rain showers
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:22
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:46
5:45
5:45
2
8
6
1
2
3
3
9
2
1
5
2
Temp °C
12
14
17
18
18
17
17
16
15
16
17
16
17
16
16
16
16
15
16
16
15
15
15
14
6
2
5
6
7
7
8
8
8
9
11
11
9
8
8
6
6
6
8
8
8
10
11
10
Swell 1
Height (m)
Direction
Period (s)
1.6
SSW
12
1.5
SW
12
0.7
S
9
0.5
S
9
0.4
SE
12
0.4
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
11
3
SSW
13
2.5
SSW
13
2.5
SSW
13
2.4
SSW
12
2.3
SSW
12
0.2
SSE
11
0.2
SSE
11
3
SSW
12
3
SSW
13
3
SSW
12
2.5
SSW
12
2.5
SSW
12
2.4
SSW
12
Energy kJ
713
593
78
40
52
52
23
23
20
2983
2434
2023
1722
1605
12
12
2920
2889
2459
2124
1735
1517
Swell 2
Height (m)
Direction
Period (s)
1.4
SW
12
1
S
9
0.4
SE
12
0.4
SE
12
0.4
SSE
9
0.3
SE
12
0.1
SE
12
Energy kJ
531
160
53
37
29
24
5
Swell 3
Height (m)
Direction
Period (s)
0.8
SSW
14
0.8
SSW
14
0.4
SE
10
0.4
SE
10
Energy kJ
239
229
35
24
Wind waves
Height (m)
Direction
Period (s)
0.6
NW
4
0.9
NNW
4
3
WSW
13
3.5
WSW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
13
3.5
SSW
14
1
W
4
1
W
4
1.1
W
4
1.3
WSW
5
1.1
W
4
2.5
SW
12
3
SW
12
3
SW
12
3
SSW
12
4
SW
12
5
SW
12
Energy kJ
12
20
2499
3959
4796
4141
3788
3732
3891
41
38
48
75
50
2001
2281
2320
2613
4892
6949
Nearest Offshore or Glassy
Rating
(10 max)
1
4
3
4
3
2
9
9
9
4
6
5
4
4
4
4
4
4
4
4
4
5
5
4
Distance (km)
208
226
737
863
870
884
261
184
184
174
161
161
168
168
168
168
304
304
168
168
168
120
113
76
Best forecast wave conditions in Overberg
Rating
(10 max)
6
5
5
5
4
Best forecast wave conditions in South Africa
Rating
(10 max)
8
4
4
4
3
2
9
9
9
6
6
9
9
5
4
5
8
9
5
4
5
5
9
8
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • 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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