Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 7 am Sunday 10 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
18.0° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 12PM is: 1.5m 11s primary swell from a Southeast direction and 0.7m 13s secondary swell from a Southwest direction, 1.3m 9s secondary swell from a West-southwest direction (forecast issued at 07:00am May 10). The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (10 May)5.5ft (1.7m)11s
Afternoon (10 May)5ft (1.6m)9s
Evening (10 May)8ft (2.5m)10s

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 62mm), heaviest during Mon night. Very mild (max 18°C on Mon afternoon, min 12°C on Sun afternoon). Mainly gales.

Sunday
10
Monday
11
Tuesday
12
Wed
13
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
2
0
0
0
0
!
2
!
0
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)
1.9
SE
12
1.8
SE
11
1.6
SE
11
1.3
SE
11
1.7
WSW
9
2.4
WSW
10
2.5
SW
12
1.6
SSW
12
2.2
SW
12
1.3
SW
11
2.4
WSW
12
3
WSW
13
3.5
SW
14
3.5
SW
14
3
SW
13
2.3
WSW
13
3
SW
13
2.5
SSW
13
4
SW
13
2.5
SSW
12
2.5
SW
12
2.3
SSW
12
3
SW
12
3
SW
12
Wave Graph
Metric surfscale
Energy kJ
963
784
589
429
454
1116
1926
762
1321
453
1676
3416
4277
3902
3385
1783
2783
2386
4456
2310
2231
1631
2219
2348
Wind (km/h)
20
NNW
35
WNW
50
W
65
W
55
W
50
W
50
W
40
WNW
30
NNW
35
NNW
65
WNW
65
W
65
W
60
W
55
W
40
W
40
WSW
40
W
35
WSW
45
WSW
50
W
45
W
45
W
50
W
cross-off
off
off
off
off
cross-off
off
off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:33AM1.21m
10:28PM1.39m
10:58AM1.29m
11:27PM1.53m
11:59AM1.43m
00:15AM1.69m
Low Tide
3:44PM0.66m
4:54AM0.66m
4:58PM0.59m
5:53AM0.49m
5:55PM0.48m
cloud
light rain
rain showers
light rain
mod rain
rain showers
rain showers
light rain
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
mod rain
heavy rain
light rain
light rain
rain showers
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:47
5:46
5:45
1
1
2
6
2
1
1
2
3
6
2
1
3
6
16
3
1
5
Temp °C
15
13
15
12
13
13
13
12
12
12
16
18
18
17
17
17
16
16
16
15
17
16
16
16
11
6
5
-1
2
2
2
3
5
4
4
7
7
6
8
11
9
9
10
8
9
8
7
5
Swell 1
Height (m)
Direction
Period (s)
1.9
SE
12
1.8
SE
11
1.6
SE
11
1.3
SE
11
1.1
SE
11
0.9
SE
11
0.8
SE
11
1.7
SW
11
2.2
SW
12
1.3
SW
11
0.9
S
9
0.7
S
9
0.6
S
9
0.5
S
10
0.3
SE
12
1.9
SSW
13
0.4
SW
13
2.5
SSW
13
3
SSW
13
0.1
SE
11
2.3
SSW
12
Energy kJ
963
784
589
429
263
194
165
726
1321
453
134
81
61
48
23
1157
62
2386
2441
5
1631
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
14
0.8
SW
13
0.7
SW
13
0.8
SW
12
0.8
SW
12
0.2
SSE
15
1.6
SSW
12
0.6
SE
10
1.1
S
9
0.4
SE
10
0.4
SE
10
0.4
SE
12
0.4
SE
12
0.3
SE
12
Energy kJ
116
190
170
187
184
21
762
69
194
37
37
38
52
21
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
13
0.2
SSW
13
0.2
SSE
15
0.6
SE
11
0.4
SE
13
0.9
SSW
14
0.4
SE
12
0.4
SE
12
0.3
SE
10
Energy kJ
34
17
22
90
44
325
40
39
15
Wind waves
Height (m)
Direction
Period (s)
1.6
WNW
8
1.1
WSW
9
1.5
WSW
9
1.7
WSW
9
2.4
WSW
10
2.5
SW
12
1
WNW
4
0.9
NW
4
0.6
N
3
2.4
WSW
12
3
WSW
13
3.5
SW
14
3.5
SW
14
3
SW
13
2.3
WSW
13
3
SW
13
1
WSW
5
4
SW
13
2.5
SSW
12
2.5
SW
12
1.2
WSW
5
3
SW
12
3
SW
12
Energy kJ
367
225
368
454
1116
1926
43
24
8
1676
3416
4277
3902
3385
1783
2783
45
4456
2310
2231
69
2219
2348
Nearest Offshore or Glassy
Rating
(10 max)
4
2
3
2
1
2
2
1
5
1
1
4
3
3
9
4
9
4
7
4
4
4
4
4
Distance (km)
105
149
244
262
502
908
931
301
226
208
910
863
870
884
261
161
261
175
184
161
168
168
168
168
Best forecast wave conditions in Overberg
Rating
(10 max)
4
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
3
2
3
2
2
5
5
4
4
3
3
9
4
9
4
9
4
8
4
4
5
Header Global
Rating
(10 max)
4
4
5
5
9
7
6
9
5
5
5
4
5
5
5
9
9
5
9
9
9
9
9
9
  • 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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